/* D e f i n e s */
/*------------------------------------------------------------------*/
-#define NOT_IMPLEMENTED(x) \
- g_error ("FIXME: %s is not yet implemented.", x);
-
#define EMIT_COND_BRANCH(ins,cond) \
{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_uimm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, cond, 0); \
- } \
-} else { \
- if (ins->inst_true_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_true_bb->native_offset) - code) / 2; \
- if (s390_is_uimm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_true_bb); \
- s390_jcl (code, cond, 0); \
- } \
-} \
+if (ins->inst_true_bb->native_offset) { \
+ int displace; \
+ displace = ((cfg->native_code + \
+ ins->inst_true_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, cond, displace); \
+ } else { \
+ s390_jcl (code, cond, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_true_bb); \
+ s390_jcl (code, cond, 0); \
+} \
}
#define EMIT_UNCOND_BRANCH(ins) \
{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_uimm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} else { \
- if (ins->inst_target_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_target_bb->native_offset) - code) / 2; \
- if (s390_is_uimm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_target_bb); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} \
+if (ins->inst_target_bb->native_offset) { \
+ int displace; \
+ displace = ((cfg->native_code + \
+ ins->inst_target_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, S390_CC_UN, displace); \
+ } else { \
+ s390_jcl (code, S390_CC_UN, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_target_bb); \
+ s390_jcl (code, S390_CC_UN, 0); \
+} \
}
#define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
s390_lr (code, ins->dreg, ins->sreg1); \
}
+#define CHECK_SRCDST_COM_F \
+ if (ins->dreg == ins->sreg2) { \
+ src2 = ins->sreg1; \
+ } else { \
+ src2 = ins->sreg2; \
+ if (ins->dreg != ins->sreg1) { \
+ s390_ldr (code, ins->dreg, ins->sreg1); \
+ } \
+ }
+
#define CHECK_SRCDST_NCOM_F \
if (ins->dreg == ins->sreg2) { \
src2 = s390_f15; \
s390_ldr (code, ins->dreg, ins->sreg1); \
}
+#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
+ MonoInst *inst; \
+ int tmpr = 0; \
+ int sReg, dReg; \
+ MONO_INST_NEW (cfg, inst, OP_NOP); \
+ if (size > 256) { \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ } else { \
+ if (s390_is_uimm12(offset)) { \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ } else { \
+ dReg = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
+ dReg, dest, offset); \
+ inst->dreg = dReg; \
+ inst->inst_offset = 0; \
+ } \
+ if (s390_is_uimm12(imm)) { \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ } else { \
+ sReg = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
+ sReg, src, imm); \
+ inst->sreg1 = sReg; \
+ inst->inst_imm = 0; \
+ } \
+ } \
+ inst->opcode = OP_S390_MOVE; \
+ inst->backend.size = size; \
+ MONO_ADD_INS (cfg->cbb, inst); \
+ } while (0)
+
+#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
+ int reg = mono_alloc_preg (cfg); \
+ switch (size) { \
+ case 0: \
+ MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ break; \
+ case 1: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ break; \
+ case 2: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ break; \
+ case 4: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ break; \
+ case 8: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ reg = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so + sizeof (guint32)); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr + 1, FALSE); \
+ break; \
+ } \
+} while (0)
+
+#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
+ int tmpr; \
+ switch (size) { \
+ case 0: \
+ tmpr = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 1: \
+ tmpr = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 2: \
+ tmpr = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 4: \
+ case 8: \
+ MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
+ break; \
+ } \
+} while (0)
+
#undef DEBUG
#define DEBUG(a) if (cfg->verbose_level > 1) a
#define MAX_EXC 16
-/*----------------------------------------*/
-/* use s390_r2-s390_r5 as temp registers */
-/*----------------------------------------*/
-#define S390_CALLER_REGS (0x10fc)
-#define reg_is_freeable(r) (S390_CALLER_REGS & 1 << (r))
-
-/*----------------------------------------*/
-/* use s390_f1/s390_f3-s390_f15 as temps */
-/*----------------------------------------*/
-#define S390_CALLER_FREGS (0xfffa)
-#define freg_is_freeable(r) ((r) >= 1 && (r) <= 14)
-
#define S390_TRACE_STACK_SIZE (5*sizeof(gint32)+3*sizeof(gdouble))
#define MAX (a, b) ((a) > (b) ? (a) : (b))
#include <mono/utils/mono-math.h>
#include "mini-s390.h"
-#include "inssel.h"
#include "cpu-s390.h"
+#include "jit-icalls.h"
+#include "ir-emit.h"
/*========================= End of Includes ========================*/
guint stack_size,
local_size,
code_size,
+ parm_size,
+ offset,
+ offStruct,
retStruct;
} size_data;
SAVE_STRUCT,
SAVE_ONE,
SAVE_TWO,
- SAVE_FP
+ SAVE_R4,
+ SAVE_R8
};
-typedef struct {
- int born_in;
- int killed_in;
- int last_use;
- int prev_use;
-} RegTrack;
-
typedef struct InstList InstList;
struct InstList {
MonoInst *data;
};
-enum {
+typedef enum {
RegTypeGeneral,
RegTypeBase,
RegTypeFP,
+ RegTypeFPR4,
RegTypeStructByVal,
+ RegTypeStructByValInFP,
RegTypeStructByAddr
-};
+} ArgStorage;
typedef struct {
gint32 offset; /* offset from caller's stack */
- gint32 offparm; /* offset on callee's stack */
+ gint32 offparm; /* offset from callee's stack */
guint16 vtsize; /* in param area */
guint8 reg;
- guint8 regtype; /* See RegType* */
+ ArgStorage regtype; /* See RegType* */
guint32 size; /* Size of structure used by RegTypeStructByVal */
} ArgInfo;
typedef struct {
int nargs;
+ int lastgr;
guint32 stack_usage;
guint32 struct_ret;
ArgInfo ret;
ArgInfo sigCookie;
+ size_data sz;
ArgInfo args [1];
} CallInfo;
/* P r o t o t y p e s */
/*------------------------------------------------------------------*/
-static guint32 * emit_memcpy (guint8 *, int, int, int, int, int);
static void indent (int);
-static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
+static guint8 * backUpStackPtr(MonoCompile *, guint8 *, gint);
static void decodeParm (MonoType *, void *, int);
static void enter_method (MonoMethod *, RegParm *, char *);
static void leave_method (MonoMethod *, ...);
static gboolean is_regsize_var (MonoType *);
static inline void add_general (guint *, size_data *, ArgInfo *, gboolean);
+static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
static inline void add_float (guint *, size_data *, ArgInfo *);
-static CallInfo * calculate_sizes (MonoMethodSignature *, size_data *, gboolean);
-static void peephole_pass (MonoCompile *, MonoBasicBlock *);
-static int mono_spillvar_offset (MonoCompile *, int);
-static int mono_spillvar_offset_float (MonoCompile *, int);
-static void print_ins (int, MonoInst *);
-static void print_regtrack (RegTrack *, int);
-static InstList * inst_list_prepend (MonoMemPool *, InstList *, MonoInst *);
-static int get_register_force_spilling (MonoCompile *, InstList *, MonoInst *, int);
-static int get_register_spilling (MonoCompile *, InstList *, MonoInst *, guint32, int);
-static int get_float_register_spilling (MonoCompile *, InstList *, MonoInst *, guint32, int);
-static MonoInst * create_copy_ins (MonoCompile *, int, int, MonoInst *);
-static MonoInst * create_copy_ins_float (MonoCompile *, int, int, MonoInst *);
-static MonoInst * create_spilled_store (MonoCompile *, int, int, int, MonoInst *);
-static MonoInst * create_spilled_store_float (MonoCompile *, int, int, int, MonoInst *);
-static void insert_before_ins (MonoInst *, InstList *, MonoInst *);
-static int alloc_int_reg (MonoCompile *, InstList *, MonoInst *, int, guint32);
+static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
-static unsigned char * mono_emit_stack_alloc (guchar *, MonoInst *);
+gpointer mono_arch_get_lmf_addr (void);
+static guint8 * emit_load_volatile_registers(guint8 *, MonoCompile *);
+static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *);
/*========================= End of Prototypes ======================*/
static int indent_level = 0;
-static const char*const * ins_spec = s390;
-
static gboolean tls_offset_inited = FALSE;
static int appdomain_tls_offset = -1,
- lmf_tls_offset = -1,
thread_tls_offset = -1;
+pthread_key_t lmf_addr_key;
+
+gboolean lmf_addr_key_inited = FALSE;
+
#if 0
extern __thread MonoDomain *tls_appdomain;
"s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
"s390_r15"
};
+
if (reg >= 0 && reg < 16)
return rnames [reg];
- return "unknown";
+ else
+ return "unknown";
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - emit_memcpy */
-/* */
-/* Function - Emit code to move from memory-to-memory based on */
-/* the size of the variable. r0 is overwritten. */
+/* Name - mono_arch_fregname */
/* */
+/* Function - Returns the name of the register specified by */
+/* the input parameter. */
+/* */
/*------------------------------------------------------------------*/
-static guint32*
-emit_memcpy (guint8 *code, int size, int dreg, int doffset, int sreg, int soffset)
-{
- switch (size) {
- case 4 :
- s390_l (code, s390_r0, 0, sreg, soffset);
- s390_st (code, s390_r0, 0, dreg, doffset);
- break;
-
- case 3 :
- s390_icm (code, s390_r0, 14, sreg, soffset);
- s390_stcm (code, s390_r0, 14, dreg, doffset);
- break;
-
- case 2 :
- s390_lh (code, s390_r0, 0, sreg, soffset);
- s390_sth (code, s390_r0, 0, dreg, doffset);
- break;
-
- case 1 :
- s390_ic (code, s390_r0, 0, sreg, soffset);
- s390_stc (code, s390_r0, 0, dreg, doffset);
- break;
-
- default :
- while (size > 0) {
- int len;
+const char*
+mono_arch_fregname (int reg) {
+ static const char * rnames[] = {
+ "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
+ "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
+ "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
+ "s390_f15"
+ };
- if (size > 256)
- len = 256;
- else
- len = size;
- s390_mvc (code, len, dreg, doffset, sreg, soffset);
- size -= len;
- }
- }
- return code;
+ if (reg >= 0 && reg < 16)
+ return rnames [reg];
+ else
+ return "unknown";
}
/*========================= End of Function ========================*/
if (csig->pinvoke)
size = mono_type_native_stack_size (csig->params [k], &align);
else
- size = mono_type_stack_size (csig->params [k], &align);
+ size = mini_type_stack_size (NULL, csig->params [k], &align);
frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
arg_info [k].pad = pad;
/*------------------------------------------------------------------*/
static inline guint8 *
-backUpStackPtr(MonoCompile *cfg, guint8 *code)
+backUpStackPtr(MonoCompile *cfg, guint8 *code, gint framePtr)
{
int stackSize = cfg->stack_usage;
if (s390_is_uimm16 (cfg->stack_usage)) {
- s390_ahi (code, STK_BASE, cfg->stack_usage);
+ s390_ahi (code, framePtr, cfg->stack_usage);
} else {
while (stackSize > 32767) {
- s390_ahi (code, STK_BASE, 32767);
+ s390_ahi (code, framePtr, 32767);
stackSize -= 32767;
}
- s390_ahi (code, STK_BASE, stackSize);
+ s390_ahi (code, framePtr, stackSize);
}
return (code);
}
printf ("[UINTPTR:%p], ", *((int **) curParm));
break;
case MONO_TYPE_BOOLEAN :
- printf ("[BOOL:%p], ", *((int *) curParm));
+ printf ("[BOOL:%d], ", *((int *) curParm));
break;
case MONO_TYPE_CHAR :
- printf ("[CHAR:%p], ", *((int *) curParm));
+ printf ("[CHAR:%c], ", *((int *) curParm));
break;
case MONO_TYPE_I1 :
printf ("[INT1:%d], ", *((int *) curParm));
if ((obj) && (obj->vtable)) {
printf("[CLASS/OBJ:");
class = obj->vtable->klass;
- if (class == mono_defaults.string_class) {
- printf("[STRING:%p:%s]",
- *obj, mono_string_to_utf8 (obj));
- } else if (class == mono_defaults.int32_class) {
- printf("[INT32:%p:%d]",
- obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
- } else
- printf("[%s.%s:%p]",
- class->name_space, class->name, obj);
+ printf("%p [%p] ",obj,curParm);
+// if (class == mono_defaults.string_class) {
+// printf("[STRING:%p:%s]",
+// *obj, mono_string_to_utf8 (obj));
+// } else if (class == mono_defaults.int32_class) {
+// printf("[INT32:%p:%d]",
+// obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
+// } else
+// printf("[%s.%s:%p]",
+// class->name_space, class->name, obj);
printf("], ");
} else {
printf("[OBJECT:null], ");
printf("[INT8:%lld], ", *((gint64 *) (curParm)));
break;
case MONO_TYPE_R4 :
- printf("[FLOAT4:%f], ", *((float *) (curParm)));
+ printf("[FLOAT4:%g], ", *((double *) (curParm)));
break;
case MONO_TYPE_R8 :
printf("[FLOAT8:%g], ", *((double *) (curParm)));
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- simpleType = type->data.klass->enum_basetype->type;
+ simpleType = mono_class_enum_basetype (type->data.klass)->type;
printf("{VALUETYPE} - ");
goto enum_parmtype;
}
if ((info->native_size == sizeof(float)) &&
(info->num_fields == 1) &&
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
- printf("[FLOAT4:%f], ", *((float *) (curParm)));
+ printf("[FLOAT4:%f], ", *((float *) (curParm)));
break;
}
/*========================= End of Function ========================*/
+//static int lc = 0;
+
/*------------------------------------------------------------------*/
/* */
/* Name - enter_method */
enter_method (MonoMethod *method, RegParm *rParm, char *sp)
{
int i, oParm = 0, iParm = 0;
- MonoClass *class;
MonoObject *obj;
- MonoJitArgumentInfo *arg_info;
MonoMethodSignature *sig;
char *fname;
guint32 ip;
CallInfo *cinfo;
ArgInfo *ainfo;
- size_data sz;
void *curParm;
fname = mono_method_full_name (method, TRUE);
g_free (fname);
ip = (*(guint32 *) (sp+S390_RET_ADDR_OFFSET)) & 0x7fffffff;
- printf (") ip: %p sp: %p - ", ip, sp);
+ printf (") ip: %p sp: %p - ", (gpointer) ip, sp);
if (rParm == NULL)
return;
sig = mono_method_signature (method);
- cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
+ cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
if (cinfo->struct_ret) {
- printf ("[VALUERET:%p], ", rParm->gr[0]);
+ printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
iParm = 1;
}
printf ("this:[NULL], ");
} else {
if (obj) {
- class = obj->vtable->klass;
- if (class == mono_defaults.string_class) {
- printf ("this:[STRING:%p:%s], ",
- obj, mono_string_to_utf8 ((MonoString *)obj));
- } else {
- printf ("this:%p[%s.%s], ",
- obj, class->name_space, class->name);
- }
+// class = obj->vtable->klass;
+// if (class == mono_defaults.string_class) {
+// printf ("this:[STRING:%p:%s], ",
+// obj, mono_string_to_utf8 ((MonoString *)obj));
+// } else {
+// printf ("this:%p[%s.%s], ",
+// obj, class->name_space, class->name);
+// }
+printf("this:%p, ",obj);
} else
printf ("this:NULL, ");
}
}
for (i = 0; i < sig->param_count; ++i) {
- ainfo = cinfo->args + (i + oParm);
+ ainfo = &cinfo->args[i + oParm];
switch (ainfo->regtype) {
case RegTypeGeneral :
decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
break;
}
case MONO_TYPE_I: {
- int *val = va_arg (ap, int*);
+ int val = va_arg (ap, int);
printf ("[INT:%d]", val);
printf("]");
break;
}
case MONO_TYPE_U: {
- int *val = va_arg (ap, int*);
+ int val = va_arg (ap, int);
printf ("[UINT:%d]", val);
printf("]");
break;
case MONO_TYPE_OBJECT: {
MonoObject *o = va_arg (ap, MonoObject *);
- if ((o) && (o->vtable)) {
- if (o->vtable->klass == mono_defaults.boolean_class) {
- printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
- } else if (o->vtable->klass == mono_defaults.int32_class) {
- printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
- } else if (o->vtable->klass == mono_defaults.int64_class) {
- printf ("[INT64:%p:%lld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
- } else
- printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
- } else
+// if ((o) && (o->vtable)) {
+// if (o->vtable->klass == mono_defaults.boolean_class) {
+// printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
+// } else if (o->vtable->klass == mono_defaults.int32_class) {
+// printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
+// } else if (o->vtable->klass == mono_defaults.int64_class) {
+// printf ("[INT64:%p:%lld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
+// } else
+// printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
+// } else
printf ("[OBJECT:%p]", o);
break;
break;
}
case MONO_TYPE_R4: {
- double f = va_arg (ap, double);
- printf ("[FLOAT4:%f]\n", (float) f);
+ double f;
+ f = va_arg (ap, double);
+ printf ("[FLOAT4:%g]\n", f);
break;
}
case MONO_TYPE_R8: {
case MONO_TYPE_VALUETYPE: {
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- type = type->data.klass->enum_basetype;
+ type = mono_class_enum_basetype (type->data.klass);
goto handle_enum;
} else {
guint8 *p = va_arg (ap, gpointer);
(info->num_fields == 1) &&
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
double f = va_arg (ap, double);
- printf("[FLOAT4:%f]\n", (float) f);
+ printf("[FLOAT4:%g]\n", (double) f);
break;
}
}
size = mono_type_size (type, &align);
- printf ("[");
- for (j = 0; p && j < size; j++)
- printf ("%02x,", p [j]);
- printf ("]");
- }
+ switch (size) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ printf ("[");
+ for (j = 0; p && j < size; j++)
+ printf ("%02x,", p [j]);
+ printf ("]\n");
+ break;
+ default:
+ printf ("[VALUERET]\n");
+ }
+ }
break;
}
case MONO_TYPE_TYPEDBYREF: {
guint8 *p = va_arg (ap, gpointer);
int j, size, align;
size = mono_type_size (type, &align);
- printf ("[");
- for (j = 0; p && j < size; j++)
- printf ("%02x,", p [j]);
- printf ("]");
+ switch (size) {
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ printf ("[");
+ for (j = 0; p && j < size; j++)
+ printf ("%02x,", p [j]);
+ printf ("]\n");
+ break;
+ default:
+ printf ("[TYPEDBYREF]\n");
+ }
}
break;
default:
}
ip = ((gint32) __builtin_return_address (0)) & 0x7fffffff;
- printf (" ip: %p\n", ip);
+ printf (" ip: %p\n", (gpointer) ip);
}
/*========================= End of Function ========================*/
/*========================= End of Function ========================*/
+
+/*
+ * Initialize architecture specific code.
+ */
+void
+mono_arch_init (void)
+{
+}
+
+/*
+ * Cleanup architecture specific code.
+ */
+void
+mono_arch_cleanup (void)
+{
+}
+
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_cpu_optimizazions */
case MONO_TYPE_U4:
case MONO_TYPE_I:
case MONO_TYPE_U:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
return TRUE;
case MONO_TYPE_OBJECT:
case MONO_TYPE_STRING:
return FALSE;
case MONO_TYPE_VALUETYPE:
if (t->data.klass->enumtype)
- return is_regsize_var (t->data.klass->enum_basetype);
+ return is_regsize_var (mono_class_enum_basetype (t->data.klass));
return FALSE;
}
return FALSE;
MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
/* unused vars */
- if (vmv->range.first_use.abs_pos > vmv->range.last_use.abs_pos)
+ if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
continue;
- if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) || (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
+ if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) ||
+ (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
continue;
/* we can only allocate 32 bit values */
MonoMethodHeader *header;
int i, top = 13;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
cfg->frame_reg = s390_r11;
+ /* FIXME: s390_r12 is reserved for bkchain_reg. Only reserve it if needed */
+ top = 12;
for (i = 8; i < top; ++i) {
- if (cfg->frame_reg != i)
+ if (cfg->frame_reg != i)
regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
}
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_is_inst_imm */
+/* */
+/*------------------------------------------------------------------*/
+
+gboolean
+mono_arch_is_inst_imm (gint64 imm)
+{
+ /* The lowering pass will take care of it */
+ return TRUE;
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - add_general */
static void inline
add_general (guint *gr, size_data *sz, ArgInfo *ainfo, gboolean simple)
{
+ int disp;
+
if (simple) {
if (*gr > S390_LAST_ARG_REG) {
sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
ainfo->reg = STK_BASE;
ainfo->regtype = RegTypeBase;
sz->stack_size += sizeof(int);
+ sz->local_size += sizeof(int);
+ sz->offStruct += sizeof(int);
sz->code_size += 12;
} else {
ainfo->reg = *gr;
}
} else {
if (*gr > S390_LAST_ARG_REG - 1) {
+ disp = sz->stack_size;
sz->stack_size = S390_ALIGN(sz->stack_size, S390_STACK_ALIGNMENT);
+ disp = sz->stack_size - disp;
ainfo->offset = sz->stack_size;
ainfo->reg = STK_BASE;
ainfo->regtype = RegTypeBase;
sz->stack_size += sizeof(long long);
+ sz->local_size += (sizeof(long long) + disp);
+ sz->offStruct += (sizeof(long long) + disp);
sz->code_size += 10;
} else {
ainfo->reg = *gr;
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - add_stackParm */
+/* */
+/* Function - Determine code and stack size incremements for a */
+/* parameter. */
+/* */
+/*------------------------------------------------------------------*/
+
+static void inline
+add_stackParm (guint *gr, size_data *sz, ArgInfo *ainfo, gint size)
+{
+ if (*gr > S390_LAST_ARG_REG) {
+ sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
+ ainfo->reg = STK_BASE;
+ ainfo->offset = sz->stack_size;
+ sz->stack_size += sizeof (gpointer);
+ sz->parm_size += sizeof(gpointer);
+ sz->offStruct += sizeof(gpointer);
+ } else {
+ ainfo->reg = *gr;
+ ainfo->offset = sz->stack_size;
+ }
+ (*gr) ++;
+ ainfo->offparm = sz->offset;
+ sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
+ ainfo->size = size;
+ ainfo->regtype = RegTypeStructByAddr;
+ ainfo->vtsize = size;
+ sz->parm_size += size;
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - add_float */
ainfo->regtype = RegTypeBase;
sz->code_size += 4;
sz->stack_size += ainfo->size;
+ sz->local_size += ainfo->size;
+ sz->offStruct += ainfo->size;
}
}
/*------------------------------------------------------------------*/
/* */
-/* Name - calculate_sizes */
+/* Name - get_call_info */
/* */
/* Function - Determine the amount of space required for code */
/* and stack. In addition determine starting points */
/*------------------------------------------------------------------*/
static CallInfo *
-calculate_sizes (MonoMethodSignature *sig, size_data *sz,
- gboolean string_ctor)
+get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
{
guint i, fr, gr, size;
int nParm = sig->hasthis + sig->param_count;
+ MonoType *ret_type;
guint32 simpletype, align;
- CallInfo *cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
+ CallInfo *cinfo;
+ size_data *sz;
+ MonoGenericSharingContext *gsctx = cfg ? cfg->generic_sharing_context : NULL;
+
+ if (mp)
+ cinfo = mono_mempool_alloc0 (mp, sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
+ else
+ cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
fr = 0;
gr = s390_r2;
- nParm = 0;
+ nParm = 0;
cinfo->struct_ret = 0;
+ sz = &cinfo->sz;
+ sz->offset = 0;
+ sz->offStruct = S390_MINIMAL_STACK_SIZE;
sz->retStruct = 0;
sz->stack_size = S390_MINIMAL_STACK_SIZE;
sz->code_size = 0;
+ sz->parm_size = 0;
sz->local_size = 0;
/*----------------------------------------------------------*/
/* area that the callee will use. */
/*----------------------------------------------------------*/
- simpletype = mono_type_get_underlying_type (sig->ret)->type;
+ ret_type = mono_type_get_underlying_type (sig->ret);
+ ret_type = mini_get_basic_type_from_generic (gsctx, ret_type);
+ simpletype = ret_type->type;
enum_retvalue:
switch (simpletype) {
case MONO_TYPE_BOOLEAN:
cinfo->ret.reg = s390_r2;
sz->code_size += 4;
break;
+ case MONO_TYPE_GENERICINST:
+ if (!mono_type_generic_inst_is_valuetype (ret_type)) {
+ cinfo->ret.reg = s390_r2;
+ sz->code_size += 4;
+ break;
+ }
+ /* Fall through */
case MONO_TYPE_VALUETYPE: {
MonoClass *klass = mono_class_from_mono_type (sig->ret);
- if (sig->ret->data.klass->enumtype) {
- simpletype = sig->ret->data.klass->enum_basetype->type;
+ if (klass->enumtype) {
+ simpletype = mono_class_enum_basetype (klass)->type;
goto enum_retvalue;
}
if (sig->pinvoke)
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- cinfo->ret.offset = sz->stack_size;
- sz->stack_size += S390_ALIGN(size, align);
gr++;
break;
}
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- cinfo->ret.offset = sz->stack_size;
- sz->stack_size += S390_ALIGN(size, align);
gr++;
break;
case MONO_TYPE_VOID:
break;
default:
- g_error ("Can't handle as return value 0x%x", sig->ret->type);
+ g_error ("mini-s390: cannot handle as return value 0x%x (0x%x)", sig->ret->type,simpletype);
}
if (sig->hasthis) {
/*----------------------------------------------------------*/
for (i = 0; i < sig->param_count; ++i) {
+ MonoType *ptype;
+
/*--------------------------------------------------*/
/* Handle vararg type calls. All args are put on */
/* the stack. */
nParm++;
continue;
}
- simpletype = mono_type_get_underlying_type(sig->params [i])->type;
+
+ ptype = mono_type_get_underlying_type (sig->params [i]);
+ ptype = mini_get_basic_type_from_generic (gsctx, ptype);
+ simpletype = ptype->type;
switch (simpletype) {
case MONO_TYPE_BOOLEAN:
case MONO_TYPE_I1:
add_float (&fr, sz, cinfo->args+nParm);
nParm++;
break;
+ case MONO_TYPE_GENERICINST:
+ if (!mono_type_generic_inst_is_valuetype (ptype)) {
+ cinfo->args[nParm].size = sizeof(gpointer);
+ add_general (&gr, sz, cinfo->args+nParm, TRUE);
+ nParm++;
+ break;
+ }
+ /* Fall through */
case MONO_TYPE_VALUETYPE: {
MonoMarshalType *info;
MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
cinfo->args[nParm].size = sizeof(float);
add_float(&fr, sz, cinfo->args+nParm);
+ nParm ++;
break;
}
(info->fields[0].field->type->type == MONO_TYPE_R8)) {
cinfo->args[nParm].size = sizeof(double);
add_float(&fr, sz, cinfo->args+nParm);
+ nParm ++;
break;
}
cinfo->args[nParm].vtsize = 0;
cinfo->args[nParm].size = 0;
- cinfo->args[nParm].offparm = sz->local_size;
switch (size) {
/*----------------------------------*/
cinfo->args[nParm].size = sizeof(long long);
cinfo->args[nParm].regtype = RegTypeStructByVal;
nParm++;
- sz->local_size += sizeof(long);
+ sz->local_size += sizeof(long long);
break;
default:
- add_general(&gr, sz, cinfo->args+nParm, TRUE);
- cinfo->args[nParm].size = sizeof(int);
- cinfo->args[nParm].regtype = RegTypeStructByAddr;
- cinfo->args[nParm].vtsize = size;
- sz->code_size += 40;
- sz->local_size += size;
- if (cinfo->args[nParm].reg == STK_BASE)
- sz->local_size += sizeof(gpointer);
+ add_stackParm(&gr, sz, cinfo->args+nParm, size);
nParm++;
}
}
cinfo->args[nParm].vtsize = 0;
cinfo->args[nParm].size = 0;
- cinfo->args[nParm].offparm = sz->local_size;
switch (size) {
/*----------------------------------*/
cinfo->args[nParm].size = sizeof(long long);
cinfo->args[nParm].regtype = RegTypeStructByVal;
nParm++;
- sz->local_size += sizeof(long);
+ sz->local_size += sizeof(long long);
break;
default:
- add_general(&gr, sz, cinfo->args+nParm, TRUE);
- cinfo->args[nParm].size = sizeof(int);
- cinfo->args[nParm].regtype = RegTypeStructByAddr;
- cinfo->args[nParm].vtsize = size;
- sz->code_size += 40;
- sz->local_size += size;
- if (cinfo->args[nParm].reg == STK_BASE)
- sz->local_size += sizeof(gpointer);
+ add_stackParm(&gr, sz, cinfo->args+nParm, size);
nParm++;
}
}
}
}
- cinfo->stack_usage = S390_ALIGN(sz->stack_size+sz->local_size,
- S390_STACK_ALIGNMENT);
+ /*----------------------------------------------------------*/
+ /* If we are passing a structure back then if it won't be */
+ /* in a register(s) then we make room at the end of the */
+ /* parameters that may have been placed on the stack */
+ /*----------------------------------------------------------*/
+ if (cinfo->struct_ret) {
+ cinfo->ret.offset = sz->stack_size;
+ switch (cinfo->ret.size) {
+ case 0:
+ case 1:
+ case 2:
+ case 4:
+ case 8:
+ break;
+ default:
+ sz->stack_size += S390_ALIGN(cinfo->ret.size, align);
+ }
+ }
+
+ /*----------------------------------------------------------*/
+ /* Handle the case where there are no implicit arguments */
+ /*----------------------------------------------------------*/
+ if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (sig->param_count == sig->sentinelpos)) {
+ gr = S390_LAST_ARG_REG + 1;
+ add_general (&gr, sz, &cinfo->sigCookie, TRUE);
+ }
+
+ cinfo->lastgr = gr;
+ sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
+ sz->offset;
+ sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
+
return (cinfo);
}
MonoMethodHeader *header;
MonoInst *inst;
CallInfo *cinfo;
- size_data sz;
int iParm, iVar, offset, size, align, curinst;
int frame_reg = STK_BASE;
int sArg, eArg;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
+
+ cfg->flags |= MONO_CFG_HAS_SPILLUP;
+
+ sig = mono_method_signature (cfg->method);
+
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
/*---------------------------------------------------------*/
/* We use the frame register also for any method that has */
cfg->frame_reg = frame_reg;
+ cfg->arch.bkchain_reg = -1;
+
if (frame_reg != STK_BASE)
cfg->used_int_regs |= 1 << frame_reg;
sig = mono_method_signature (cfg->method);
- cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
- if (cinfo->struct_ret) {
- cfg->ret->opcode = OP_REGVAR;
- cfg->ret->inst_c0 = s390_r2;
- } else {
+ if (!cinfo->struct_ret) {
switch (mono_type_get_underlying_type (sig->ret)->type) {
case MONO_TYPE_VOID:
break;
cfg->sig_cookie = 0;
if (cinfo->struct_ret) {
- inst = cfg->ret;
+ inst = cfg->vret_addr;
offset = S390_ALIGN(offset, sizeof(gpointer));
inst->inst_offset = offset;
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
offset += sizeof(gpointer);
- if ((sig->call_convention == MONO_CALL_VARARG) &&
- (!retFitsInReg (cinfo->ret.size)))
- cfg->sig_cookie += cinfo->ret.size;
+ if (G_UNLIKELY (cfg->verbose_level > 1)) {
+ printf ("vret_addr =");
+ mono_print_ins (cfg->vret_addr);
+ }
}
if (sig->hasthis) {
- inst = cfg->varinfo [0];
+ inst = cfg->args [0];
if (inst->opcode != OP_REGVAR) {
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
cfg->sig_cookie += S390_MINIMAL_STACK_SIZE;
for (iParm = sArg; iParm < eArg; ++iParm) {
- inst = cfg->varinfo [curinst];
+ inst = cfg->args [curinst];
if (inst->opcode != OP_REGVAR) {
switch (cinfo->args[iParm].regtype) {
- case RegTypeStructByAddr :
- inst->opcode = OP_S390_LOADARG;
- inst->inst_basereg = frame_reg;
- size = abs(cinfo->args[iParm].vtsize);
- offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
+ case RegTypeStructByAddr : {
+ MonoInst *indir;
+
+ size = sizeof (gpointer);
+
+ if (cinfo->args [iParm].reg == STK_BASE) {
+ cfg->arch.bkchain_reg = s390_r12;
+ cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
+
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = cfg->arch.bkchain_reg;
+ inst->inst_offset = cinfo->args [iParm].offset;
+ } else {
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = frame_reg;
+ inst->inst_offset = S390_ALIGN(offset, sizeof (gpointer));
+ }
+
+ /* Add a level of indirection */
+ MONO_INST_NEW (cfg, indir, 0);
+ *indir = *inst;
+ inst->opcode = OP_VTARG_ADDR;
+ inst->inst_left = indir;
+ }
break;
case RegTypeStructByVal :
- inst->opcode = OP_S390_ARGPTR;
- inst->inst_basereg = frame_reg;
size = cinfo->args[iParm].size;
offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = frame_reg;
+ inst->inst_offset = S390_ALIGN (offset, size);
break;
default :
- if (cinfo->args[iParm].reg != STK_BASE) {
- inst->opcode = OP_REGOFFSET;
- inst->inst_basereg = frame_reg;
- size = (cinfo->args[iParm].size < 8
- ? sizeof(long)
- : sizeof(long long));
- offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
- } else {
- inst->opcode = OP_S390_STKARG;
- inst->inst_basereg = frame_reg;
- size = (cinfo->args[iParm].size < 4
- ? 4 - cinfo->args[iParm].size
- : 0);
- inst->inst_offset = cinfo->args[iParm].offset +
- size;
- inst->unused = 0;
- size = sizeof(long);
- }
+ if (cinfo->args [iParm].reg == STK_BASE) {
+ /*
+ * These arguments are in the previous frame, so we can't
+ * compute their offset from the current frame pointer right
+ * now, since cfg->stack_offset is not yet known, so dedicate a
+ * register holding the previous frame pointer.
+ */
+ cfg->arch.bkchain_reg = s390_r12;
+ cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
+
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = cfg->arch.bkchain_reg;
+ size = (cinfo->args[iParm].size < 4
+ ? 4 - cinfo->args[iParm].size
+ : 0);
+ inst->inst_offset = cinfo->args [iParm].offset + size;
+ size = sizeof (long);
+ } else {
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = frame_reg;
+ size = (cinfo->args[iParm].size < 8
+ ? sizeof(long)
+ : sizeof(long long));
+ offset = S390_ALIGN(offset, size);
+ inst->inst_offset = offset;
+ }
}
if ((sig->call_convention == MONO_CALL_VARARG) &&
(cinfo->args[iParm].regtype != RegTypeGeneral) &&
continue;
/*--------------------------------------------------*/
- /* inst->unused indicates native sized value types, */
+ /* inst->backend.is_pinvoke indicates native sized value types, */
/* this is used by the pinvoke wrappers when they */
/* call functions returning structure */
/*--------------------------------------------------*/
- if (inst->unused && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
+ if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
else
size = mono_type_size (inst->inst_vtype, &align);
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
offset += size;
- DEBUG (g_print("allocating local %d to %d\n", iVar, inst->inst_offset));
+ DEBUG (g_print("allocating local %d to %ld\n", iVar, inst->inst_offset));
}
/*------------------------------------------------------*/
/* Allow space for the trace method stack area if needed*/
/*------------------------------------------------------*/
- if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg))
+ if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method)) {
offset += S390_TRACE_STACK_SIZE;
+ }
/*------------------------------------------------------*/
/* Reserve space to save LMF and caller saved registers */
/*------------------------------------------------------*/
cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
+ /* Fix up offsets for arguments whose value is in the parent frame */
+ for (iParm = sArg; iParm < eArg; ++iParm) {
+ inst = cfg->args [iParm];
+
+ if (inst->opcode == OP_S390_STKARG) {
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_offset += cfg->stack_offset;
+ }
+ }
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_call_opcode */
+/* Name - mono_arch_create_vars */
/* */
-/* Function - Take the arguments and generate the arch-specific */
-/* instructions to properly call the function. This */
-/* includes pushing, moving argments to the correct */
-/* etc. */
-/* */
-/* Note - FIXME: We need an alignment solution for */
-/* enter_method and mono_arch_call_opcode, currently */
-/* alignment in mono_arch_call_opcode is computed */
-/* without arch_get_argument_info. */
-/* */
/*------------------------------------------------------------------*/
-MonoCallInst*
-mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
- MonoCallInst *call, int is_virtual) {
- MonoInst *arg, *in;
+void
+mono_arch_create_vars (MonoCompile *cfg)
+{
+ MonoMethodSignature *sig;
+ CallInfo *cinfo;
+
+ sig = mono_method_signature (cfg->method);
+
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+
+ if (cinfo->struct_ret) {
+ cfg->vret_addr = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_ARG);
+ if (G_UNLIKELY (cfg->verbose_level > 1)) {
+ printf ("vret_addr = ");
+ mono_print_ins (cfg->vret_addr);
+ }
+ }
+}
+
+/*========================= End of Function ========================*/
+
+static void
+add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
+{
+ MonoInst *ins;
+
+ switch (storage) {
+ case RegTypeGeneral:
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->dreg = mono_alloc_ireg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, FALSE);
+ break;
+ case RegTypeFP:
+ MONO_INST_NEW (cfg, ins, OP_FMOVE);
+ ins->dreg = mono_alloc_freg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
+ break;
+ case RegTypeFPR4:
+ MONO_INST_NEW (cfg, ins, OP_S390_SETF4RET);
+ ins->dreg = mono_alloc_freg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static void
+emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
+{
+ MonoMethodSignature *tmpSig;
+ MonoInst *sig_arg;
+
+ cfg->disable_aot = TRUE;
+
+ /*----------------------------------------------------------*/
+ /* mono_ArgIterator_Setup assumes the signature cookie is */
+ /* passed first and all the arguments which were before it */
+ /* passed on the stack after the signature. So compensate */
+ /* by passing a different signature. */
+ /*----------------------------------------------------------*/
+ tmpSig = mono_metadata_signature_dup (call->signature);
+ tmpSig->param_count -= call->signature->sentinelpos;
+ tmpSig->sentinelpos = 0;
+ if (tmpSig->param_count > 0)
+ memcpy (tmpSig->params,
+ call->signature->params + call->signature->sentinelpos,
+ tmpSig->param_count * sizeof(MonoType *));
+
+ MONO_INST_NEW (cfg, sig_arg, OP_ICONST);
+ sig_arg->dreg = mono_alloc_ireg (cfg);
+ sig_arg->inst_p0 = tmpSig;
+ MONO_ADD_INS (cfg->cbb, sig_arg);
+
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, STK_BASE,
+ cinfo->sigCookie.offset, sig_arg->dreg);
+}
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_call */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
+{
+ MonoInst *in;
MonoMethodSignature *sig;
+ MonoInst *ins;
int i, n, lParamArea;
CallInfo *cinfo;
- ArgInfo *ainfo;
- size_data sz;
+ ArgInfo *ainfo = NULL;
+ int stackSize;
sig = call->signature;
n = sig->param_count + sig->hasthis;
DEBUG (g_print ("Call requires: %d parameters\n",n));
- cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
- call->stack_usage = cinfo->stack_usage;
- lParamArea = MAX((cinfo->stack_usage - S390_MINIMAL_STACK_SIZE), 0);
- cfg->param_area = MAX (((signed) cfg->param_area), lParamArea);
+ stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
+ call->stack_usage = MAX(stackSize, call->stack_usage);
+ lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
+ cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
cfg->flags |= MONO_CFG_HAS_CALLS;
- if (cinfo->struct_ret)
- call->used_iregs |= 1 << cinfo->ret.reg;
+ if (cinfo->struct_ret) {
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->sreg1 = call->vret_var->dreg;
+ ins->dreg = mono_alloc_preg (cfg);
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, cinfo->ret.reg, FALSE);
+ }
for (i = 0; i < n; ++i) {
ainfo = cinfo->args + i;
+ MonoType *t;
- if ((sig->call_convention == MONO_CALL_VARARG) &&
- (i == sig->sentinelpos)) {
- MonoInst *sigArg;
-
- cfg->disable_aot = TRUE;
- MONO_INST_NEW (cfg, sigArg, OP_ICONST);
- sigArg->inst_p0 = call->signature;
+ if (i >= sig->hasthis)
+ t = sig->params [i - sig->hasthis];
+ else
+ t = &mono_defaults.int_class->byval_arg;
+ t = mono_type_get_underlying_type (t);
- MONO_INST_NEW (cfg, arg, OP_OUTARG);
- arg->inst_imm = cinfo->sigCookie.offset;
- arg->inst_left = sigArg;
+ in = call->args [i];
- arg->next = call->out_args;
- call->out_args = arg;
+ if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (i == sig->sentinelpos)) {
+ emit_sig_cookie (cfg, call, cinfo);
}
- if (is_virtual && i == 0) {
- /* the argument will be attached to the call instrucion */
- in = call->args [i];
- call->used_iregs |= 1 << ainfo->reg;
- } else {
- MONO_INST_NEW (cfg, arg, OP_OUTARG);
- in = call->args [i];
- arg->cil_code = in->cil_code;
- arg->inst_left = in;
- arg->type = in->type;
- /* prepend, we'll need to reverse them later */
- arg->next = call->out_args;
- call->out_args = arg;
- if (ainfo->regtype == RegTypeGeneral) {
- arg->unused = ainfo->reg;
- call->used_iregs |= 1 << ainfo->reg;
- if (arg->type == STACK_I8)
- call->used_iregs |= 1 << (ainfo->reg + 1);
- } else if (ainfo->regtype == RegTypeStructByAddr) {
- call->used_iregs |= 1 << ainfo->reg;
- arg->sreg1 = ainfo->reg;
- arg->opcode = OP_OUTARG_VT;
- arg->unused = -ainfo->vtsize;
- arg->inst_imm = ainfo->offset;
- arg->sreg2 = ainfo->offparm + S390_MINIMAL_STACK_SIZE;
- } else if (ainfo->regtype == RegTypeStructByVal) {
- if (ainfo->reg != STK_BASE) {
- switch (ainfo->size) {
- case 0:
- case 1:
- case 2:
- case 4:
- call->used_iregs |= 1 << ainfo->reg;
- break;
- case 8:
- call->used_iregs |= 1 << ainfo->reg;
- call->used_iregs |= 1 << (ainfo->reg+1);
- break;
- default:
- call->used_iregs |= 1 << ainfo->reg;
- }
- }
- arg->sreg1 = ainfo->reg;
- arg->opcode = OP_OUTARG_VT;
- arg->unused = ainfo->size;
- arg->inst_imm = ainfo->offset;
- arg->sreg2 = ainfo->offparm + S390_MINIMAL_STACK_SIZE;
- } else if (ainfo->regtype == RegTypeBase) {
- arg->opcode = OP_OUTARG;
- arg->unused = ainfo->reg | (ainfo->size << 8);
- arg->inst_imm = ainfo->offset;
- call->used_fregs |= 1 << ainfo->reg;
- } else if (ainfo->regtype == RegTypeFP) {
- arg->unused = ainfo->reg;
- call->used_fregs |= 1 << ainfo->reg;
- if (ainfo->size == 4) {
- MonoInst *conv;
- arg->opcode = OP_OUTARG_R4;
- MONO_INST_NEW (cfg, conv, OP_FCONV_TO_R4);
- conv->inst_left = arg->inst_left;
- arg->inst_left = conv;
- }
- else
- arg->opcode = OP_OUTARG_R8;
+ switch (ainfo->regtype) {
+ case RegTypeGeneral:
+ if (!t->byref && (t->type == MONO_TYPE_I8 || t->type == MONO_TYPE_U8)) {
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->dreg = mono_alloc_ireg (cfg);
+ ins->sreg1 = in->dreg + 2;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, ainfo->reg, FALSE);
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->dreg = mono_alloc_ireg (cfg);
+ ins->sreg1 = in->dreg + 1;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, ainfo->reg + 1, FALSE);
} else {
- g_assert_not_reached ();
+ add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
}
- }
- }
- /*
- * Reverse the call->out_args list.
- */
- {
- MonoInst *prev = NULL, *list = call->out_args, *next;
- while (list) {
- next = list->next;
- list->next = prev;
- prev = list;
- list = next;
- }
- call->out_args = prev;
+ break;
+ case RegTypeFP:
+ if (MONO_TYPE_ISSTRUCT (t)) {
+ /* Valuetype passed in one fp register */
+ ainfo->regtype = RegTypeStructByValInFP;
+ /* Fall through */
+ } else {
+ if (ainfo->size == 4)
+ ainfo->regtype = RegTypeFPR4;
+ add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
+ break;
+ }
+ case RegTypeStructByVal:
+ case RegTypeStructByAddr: {
+ guint32 align;
+ guint32 size;
+
+ if (sig->params [i - sig->hasthis]->type == MONO_TYPE_TYPEDBYREF) {
+ size = sizeof (MonoTypedRef);
+ align = sizeof (gpointer);
+ }
+ else
+ if (sig->pinvoke)
+ size = mono_type_native_stack_size (&in->klass->byval_arg, &align);
+ else {
+ /*
+ * Other backends use mono_type_stack_size (), but that
+ * aligns the size to 8, which is larger than the size of
+ * the source, leading to reads of invalid memory if the
+ * source is at the end of address space.
+ */
+ size = mono_class_value_size (in->klass, &align);
+ }
+
+ g_assert (in->klass);
+
+ ainfo->offparm += cinfo->sz.offStruct;
+
+ MONO_INST_NEW (cfg, ins, OP_OUTARG_VT);
+ ins->sreg1 = in->dreg;
+ ins->klass = in->klass;
+ ins->backend.size = ainfo->size;
+ ins->inst_p0 = call;
+ ins->inst_p1 = mono_mempool_alloc (cfg->mempool, sizeof (ArgInfo));
+ memcpy (ins->inst_p1, ainfo, sizeof (ArgInfo));
+
+ MONO_ADD_INS (cfg->cbb, ins);
+
+ if (ainfo->regtype == RegTypeStructByAddr) {
+ /*
+ * We use OP_OUTARG_VT to copy the valuetype to a stack location, then
+ * use the normal OUTARG opcodes to pass the address of the location to
+ * the callee.
+ */
+ int treg = mono_alloc_preg (cfg);
+ MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
+ STK_BASE, ainfo->offparm);
+ if (ainfo->reg == STK_BASE) {
+ /* The address is passed on the stack */
+ MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
+ ins->inst_destbasereg = STK_BASE;
+ ins->inst_offset = ainfo->offset;
+ ins->sreg1 = treg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ } else {
+ mono_call_inst_add_outarg_reg (cfg, call, treg, ainfo->reg, FALSE);
+ }
+ }
+ break;
+ }
+ case RegTypeBase:
+ if (!t->byref && t->type == MONO_TYPE_R4) {
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG,
+ STK_BASE, ainfo->offset,
+ in->dreg);
+ } else if (!t->byref && (t->type == MONO_TYPE_R8)) {
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG,
+ STK_BASE, ainfo->offset,
+ in->dreg);
+ } else if (!t->byref && (t->type == MONO_TYPE_I8 || t->type == MONO_TYPE_U8)) {
+ MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
+ ins->inst_destbasereg = STK_BASE;
+ ins->inst_offset = ainfo->offset + MINI_LS_WORD_OFFSET;
+ ins->sreg1 = in->dreg + 1;
+ MONO_ADD_INS (cfg->cbb, ins);
+
+ MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
+ ins->inst_destbasereg = STK_BASE;
+ ins->inst_offset = ainfo->offset + MINI_MS_WORD_OFFSET;
+ ins->sreg1 = in->dreg + 2;
+ MONO_ADD_INS (cfg->cbb, ins);
+ } else {
+ MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
+ ins->inst_destbasereg = STK_BASE;
+ ins->inst_offset = ainfo->offset;
+ ins->sreg1 = in->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ }
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+ }
+
+ /*
+ * Handle the case where there are no implicit arguments
+ */
+ if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (i == sig->sentinelpos)) {
+ emit_sig_cookie (cfg, call, cinfo);
+ }
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_outarg_vt */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
+{
+ MonoCallInst *call = (MonoCallInst*)ins->inst_p0;
+ ArgInfo *ainfo = (ArgInfo*)ins->inst_p1;
+ int size = ins->backend.size;
+
+ if (ainfo->regtype == RegTypeStructByVal) {
+ /*
+ arg->ins.sreg1 = ainfo->reg;
+ arg->ins.opcode = OP_OUTARG_VT;
+ arg->size = ainfo->size;
+ arg->offset = ainfo->offset;
+ arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
+ */
+ if (ainfo->reg != STK_BASE) {
+ MONO_OUTPUT_VTR (cfg, size, ainfo->reg, src->dreg, 0);
+ } else {
+ MONO_OUTPUT_VTS (cfg, size, ainfo->reg, ainfo->offset,
+ src->dreg, 0);
+ }
+ } else if (ainfo->regtype == RegTypeStructByValInFP) {
+ int dreg = mono_alloc_freg (cfg);
+
+ if (ainfo->size == 4) {
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR4_MEMBASE, dreg, src->dreg, 0);
+ MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, dreg, dreg);
+ } else {
+ g_assert (ainfo->size == 8);
+
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR8_MEMBASE, dreg, src->dreg, 0);
+ }
+
+ mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
+ } else {
+ MONO_EMIT_NEW_MOVE (cfg, STK_BASE, ainfo->offparm,
+ src->dreg, 0, size);
}
+}
- g_free (cinfo);
- return call;
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_setret */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_emit_setret (MonoCompile *cfg, MonoMethod *method, MonoInst *val)
+{
+ MonoType *ret = mono_type_get_underlying_type (mono_method_signature (method)->ret);
+
+ if (!ret->byref) {
+ if (ret->type == MONO_TYPE_R4) {
+ MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, s390_f0, val->dreg);
+ return;
+ } else if (ret->type == MONO_TYPE_R8) {
+ MONO_EMIT_NEW_UNALU (cfg, OP_FMOVE, s390_f0, val->dreg);
+ return;
+ } else if (ret->type == MONO_TYPE_I8 || ret->type == MONO_TYPE_U8) {
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r3, val->dreg + 1);
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r2, val->dreg + 2);
+ return;
+ }
+ }
+
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, cfg->ret->dreg, val->dreg);
}
/*========================= End of Function ========================*/
mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
gboolean enable_arguments)
{
- guchar *code = p;
+ guchar *code = p;
int parmOffset,
- fpOffset;
+ fpOffset,
+ baseReg;
parmOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
if (cfg->method->save_lmf)
parmOffset -= sizeof(MonoLMF);
fpOffset = parmOffset + (5*sizeof(gint32));
+ if (fpOffset > 4096) {
+ s390_lr (code, s390_r12, STK_BASE);
+ baseReg = s390_r12;
+ while (fpOffset > 4096) {
+ s390_ahi (code, baseReg, 4096);
+ fpOffset -= 4096;
+ parmOffset -= 4096;
+ }
+ } else {
+ baseReg = STK_BASE;
+ }
- s390_stm (code, s390_r2, s390_r6, STK_BASE, parmOffset);
- s390_std (code, s390_f0, 0, STK_BASE, fpOffset);
- s390_std (code, s390_f1, 0, STK_BASE, fpOffset+sizeof(gdouble));
- s390_std (code, s390_f2, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
+ s390_stm (code, s390_r2, s390_r6, baseReg, parmOffset);
+ s390_std (code, s390_f0, 0, baseReg, fpOffset);
+ s390_std (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
+ s390_std (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
s390_word (code, cfg->method);
s390_word (code, func);
s390_l (code, s390_r2, 0, s390_r13, 4);
- s390_la (code, s390_r3, 0, STK_BASE, parmOffset);
+ s390_la (code, s390_r3, 0, baseReg, parmOffset);
s390_lr (code, s390_r4, STK_BASE);
s390_ahi (code, s390_r4, cfg->stack_usage);
s390_l (code, s390_r1, 0, s390_r13, 8);
s390_basr (code, s390_r14, s390_r1);
- s390_ld (code, s390_f2, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
- s390_ld (code, s390_f1, 0, STK_BASE, fpOffset+sizeof(gdouble));
- s390_ld (code, s390_f0, 0, STK_BASE, fpOffset);
- s390_lm (code, s390_r2, s390_r6, STK_BASE, parmOffset);
+ s390_ld (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
+ s390_ld (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
+ s390_ld (code, s390_f0, 0, baseReg, fpOffset);
+ s390_lm (code, s390_r2, s390_r6, baseReg, parmOffset);
return code;
}
/*------------------------------------------------------------------*/
void*
-mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
+mono_arch_instrument_epilog_full (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments, gboolean preserve_argument_registers)
{
guchar *code = p;
int save_mode = SAVE_NONE,
save_mode = SAVE_TWO;
break;
case MONO_TYPE_R4:
+ save_mode = SAVE_R4;
+ break;
case MONO_TYPE_R8:
- save_mode = SAVE_FP;
+ save_mode = SAVE_R8;
break;
case MONO_TYPE_VALUETYPE:
if (mono_method_signature (method)->ret->data.klass->enumtype) {
- rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
+ rtype = mono_class_enum_basetype (mono_method_signature (method)->ret->data.klass)->type;
goto handle_enum;
}
save_mode = SAVE_STRUCT;
s390_lr (code, s390_r3, s390_r2);
}
break;
- case SAVE_FP:
+ case SAVE_R4:
s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
if (enable_arguments) {
- /* FIXME: what reg? */
- s390_ldr (code, s390_f2, s390_f0);
- s390_lm (code, s390_r3, s390_r4, cfg->frame_reg, saveOffset);
+ s390_ldebr (code, s390_f0, s390_f0);
}
break;
+ case SAVE_R8:
+ s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
+ break;
case SAVE_STRUCT:
s390_st (code, s390_r2, 0, cfg->frame_reg, saveOffset);
if (enable_arguments) {
case SAVE_ONE:
s390_l (code, s390_r2, 0, cfg->frame_reg, saveOffset);
break;
- case SAVE_FP:
+ case SAVE_R4:
+ case SAVE_R8:
s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
break;
case SAVE_STRUCT:
break;
case SAVE_NONE:
default:
- break;
- }
-
- return code;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - peephole_pass */
-/* */
-/* Function - Form a peephole pass at the code looking for */
-/* simple optimizations. */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-peephole_pass (MonoCompile *cfg, MonoBasicBlock *bb)
-{
- MonoInst *ins, *last_ins = NULL;
- ins = bb->code;
-
- while (ins) {
-
- switch (ins->opcode) {
- case OP_MUL_IMM:
- /* remove unnecessary multiplication with 1 */
- if (ins->inst_imm == 1) {
- if (ins->dreg != ins->sreg1) {
- ins->opcode = OP_MOVE;
- } else {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- }
- }
- break;
- case OP_LOAD_MEMBASE:
- case OP_LOADI4_MEMBASE:
- /*
- * OP_STORE_MEMBASE_REG reg, offset(basereg)
- * OP_LOAD_MEMBASE offset(basereg), reg
- */
- if (last_ins && (last_ins->opcode == OP_STOREI4_MEMBASE_REG
- || last_ins->opcode == OP_STORE_MEMBASE_REG) &&
- ins->inst_basereg == last_ins->inst_destbasereg &&
- ins->inst_offset == last_ins->inst_offset) {
- if (ins->dreg == last_ins->sreg1) {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- } else {
- //static int c = 0; printf ("MATCHX %s %d\n", cfg->method->name,c++);
- ins->opcode = OP_MOVE;
- ins->sreg1 = last_ins->sreg1;
- }
-
- /*
- * Note: reg1 must be different from the basereg in the second load
- * OP_LOAD_MEMBASE offset(basereg), reg1
- * OP_LOAD_MEMBASE offset(basereg), reg2
- * -->
- * OP_LOAD_MEMBASE offset(basereg), reg1
- * OP_MOVE reg1, reg2
- */
- } if (last_ins && (last_ins->opcode == OP_LOADI4_MEMBASE
- || last_ins->opcode == OP_LOAD_MEMBASE) &&
- ins->inst_basereg != last_ins->dreg &&
- ins->inst_basereg == last_ins->inst_basereg &&
- ins->inst_offset == last_ins->inst_offset) {
-
- if (ins->dreg == last_ins->dreg) {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- } else {
- ins->opcode = OP_MOVE;
- ins->sreg1 = last_ins->dreg;
- }
-
- //g_assert_not_reached ();
-
-#if 0
- /*
- * OP_STORE_MEMBASE_IMM imm, offset(basereg)
- * OP_LOAD_MEMBASE offset(basereg), reg
- * -->
- * OP_STORE_MEMBASE_IMM imm, offset(basereg)
- * OP_ICONST reg, imm
- */
- } else if (last_ins && (last_ins->opcode == OP_STOREI4_MEMBASE_IMM
- || last_ins->opcode == OP_STORE_MEMBASE_IMM) &&
- ins->inst_basereg == last_ins->inst_destbasereg &&
- ins->inst_offset == last_ins->inst_offset) {
- //static int c = 0; printf ("MATCHX %s %d\n", cfg->method->name,c++);
- ins->opcode = OP_ICONST;
- ins->inst_c0 = last_ins->inst_imm;
- g_assert_not_reached (); // check this rule
-#endif
- }
- break;
- case OP_LOADU1_MEMBASE:
- case OP_LOADI1_MEMBASE:
- if (last_ins && (last_ins->opcode == OP_STOREI1_MEMBASE_REG) &&
- ins->inst_basereg == last_ins->inst_destbasereg &&
- ins->inst_offset == last_ins->inst_offset) {
- if (ins->dreg == last_ins->sreg1) {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- } else {
- //static int c = 0; printf ("MATCHX %s %d\n", cfg->method->name,c++);
- ins->opcode = OP_MOVE;
- ins->sreg1 = last_ins->sreg1;
- }
- }
- break;
- case OP_LOADU2_MEMBASE:
- case OP_LOADI2_MEMBASE:
- if (last_ins && (last_ins->opcode == OP_STOREI2_MEMBASE_REG) &&
- ins->inst_basereg == last_ins->inst_destbasereg &&
- ins->inst_offset == last_ins->inst_offset) {
- if (ins->dreg == last_ins->sreg1) {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- } else {
- ins->opcode = OP_MOVE;
- ins->sreg1 = last_ins->sreg1;
- }
- }
- break;
- case CEE_CONV_I4:
- case CEE_CONV_U4:
- case OP_MOVE:
- /*
- * OP_MOVE reg, reg
- */
- if (ins->dreg == ins->sreg1) {
- if (last_ins)
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- }
- /*
- * OP_MOVE sreg, dreg
- * OP_MOVE dreg, sreg
- */
- if (last_ins && last_ins->opcode == OP_MOVE &&
- ins->sreg1 == last_ins->dreg &&
- ins->dreg == last_ins->sreg1) {
- last_ins->next = ins->next;
- ins = ins->next;
- continue;
- }
- break;
- }
- last_ins = ins;
- ins = ins->next;
- }
- bb->last_ins = last_ins;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_spillvar_offset */
-/* */
-/* Function - Returns the offset used by spillvar. It allocates */
-/* a new spill variable if necessary. */
-/* */
-/*------------------------------------------------------------------*/
-
-static int
-mono_spillvar_offset (MonoCompile *cfg, int spillvar)
-{
- MonoSpillInfo **si, *info;
- int i = 0;
-
- si = &cfg->spill_info;
-
- while (i <= spillvar) {
-
- if (!*si) {
- *si = info = mono_mempool_alloc (cfg->mempool, sizeof (MonoSpillInfo));
- info->next = NULL;
- info->offset = cfg->stack_offset;
- cfg->stack_offset += sizeof (gpointer);
- }
-
- if (i == spillvar)
- return (*si)->offset;
-
- i++;
- si = &(*si)->next;
- }
-
- g_assert_not_reached ();
- return 0;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_spillvar_offset_float */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static int
-mono_spillvar_offset_float (MonoCompile *cfg, int spillvar)
-{
- MonoSpillInfo **si, *info;
- int i = 0;
-
- si = &cfg->spill_info_float;
-
- while (i <= spillvar) {
-
- if (!*si) {
- *si = info = mono_mempool_alloc (cfg->mempool, sizeof (MonoSpillInfo));
- info->next = NULL;
- cfg->stack_offset = S390_ALIGN(cfg->stack_offset, S390_STACK_ALIGNMENT);
- info->offset = cfg->stack_offset;
- cfg->stack_offset += sizeof (double);
- }
-
- if (i == spillvar)
- return (*si)->offset;
-
- i++;
- si = &(*si)->next;
- }
-
- g_assert_not_reached ();
- return 0;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - print_ins */
-/* */
-/* Function - Decode and print the instruction for tracing. */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-print_ins (int i, MonoInst *ins)
-{
- const char *spec = ins_spec [ins->opcode];
- g_print ("\t%-2d %s", i, mono_inst_name (ins->opcode));
- if (spec [MONO_INST_DEST]) {
- if (ins->dreg >= MONO_MAX_IREGS)
- g_print (" R%d <-", ins->dreg);
- else
- g_print (" %s <-", mono_arch_regname (ins->dreg));
- }
- if (spec [MONO_INST_SRC1]) {
- if (ins->sreg1 >= MONO_MAX_IREGS)
- g_print (" R%d", ins->sreg1);
- else
- g_print (" %s", mono_arch_regname (ins->sreg1));
- }
- if (spec [MONO_INST_SRC2]) {
- if (ins->sreg2 >= MONO_MAX_IREGS)
- g_print (" R%d", ins->sreg2);
- else
- g_print (" %s", mono_arch_regname (ins->sreg2));
- }
- if (spec [MONO_INST_CLOB])
- g_print (" clobbers: %c", spec [MONO_INST_CLOB]);
- g_print ("\n");
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - print_regtrack. */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-print_regtrack (RegTrack *t, int num)
-{
- int i;
- char buf [32];
- const char *r;
-
- for (i = 0; i < num; ++i) {
- if (!t [i].born_in)
- continue;
- if (i >= MONO_MAX_IREGS) {
- g_snprintf (buf, sizeof(buf), "R%d", i);
- r = buf;
- } else
- r = mono_arch_regname (i);
- g_print ("liveness: %s [%d - %d]\n", r, t [i].born_in, t[i].last_use);
- }
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - inst_list_prepend */
-/* */
-/* Function - Prepend an instruction to the list. */
-/* */
-/*------------------------------------------------------------------*/
-
-static inline InstList*
-inst_list_prepend (MonoMemPool *pool, InstList *list, MonoInst *data)
-{
- InstList *item = mono_mempool_alloc (pool, sizeof (InstList));
- item->data = data;
- item->prev = NULL;
- item->next = list;
- if (list)
- list->prev = item;
- return item;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - get_register_force_spilling */
-/* */
-/* Function - Force the spilling of the variable in the */
-/* symbolic register 'reg'. */
-/* */
-/*------------------------------------------------------------------*/
-
-static int
-get_register_force_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- sel = cfg->rs->iassign [reg];
- i = reg;
- spill = ++cfg->spill_count;
- cfg->rs->iassign [i] = -spill - 1;
- mono_regstate_free_int (cfg->rs, sel);
- /*----------------------------------------------------------*/
- /* we need to create a spill var and insert a load to sel */
- /* after the current instruction */
- /*----------------------------------------------------------*/
- MONO_INST_NEW (cfg, load, OP_LOAD_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n",
- spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_int (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - get_register_spilling */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static int
-get_register_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, guint32 regmask, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- DEBUG (g_print ("start regmask to assign R%d: 0x%08x (R%d <- R%d R%d)\n", reg, regmask, ins->dreg, ins->sreg1, ins->sreg2));
- /* exclude the registers in the current instruction */
- if (reg != ins->sreg1 &&
- (reg_is_freeable (ins->sreg1) ||
- (ins->sreg1 >= MONO_MAX_IREGS &&
- cfg->rs->iassign [ins->sreg1] >= 0))) {
- if (ins->sreg1 >= MONO_MAX_IREGS)
- regmask &= ~ (1 << cfg->rs->iassign [ins->sreg1]);
- else
- regmask &= ~ (1 << ins->sreg1);
- DEBUG (g_print ("excluding sreg1 %s\n", mono_arch_regname (ins->sreg1)));
- }
- if (reg != ins->sreg2 &&
- (reg_is_freeable (ins->sreg2) ||
- (ins->sreg2 >= MONO_MAX_IREGS &&
- cfg->rs->iassign [ins->sreg2] >= 0))) {
- if (ins->sreg2 >= MONO_MAX_IREGS)
- regmask &= ~ (1 << cfg->rs->iassign [ins->sreg2]);
- else
- regmask &= ~ (1 << ins->sreg2);
- DEBUG (g_print ("excluding sreg2 %s %d\n", mono_arch_regname (ins->sreg2), ins->sreg2));
- }
- if (reg != ins->dreg && reg_is_freeable (ins->dreg)) {
- regmask &= ~ (1 << ins->dreg);
- DEBUG (g_print ("excluding dreg %s\n", mono_arch_regname (ins->dreg)));
- }
-
- DEBUG (g_print ("available regmask: 0x%08x\n", regmask));
- g_assert (regmask); /* need at least a register we can free */
- sel = -1;
- /* we should track prev_use and spill the register that's farther */
- for (i = 0; i < MONO_MAX_IREGS; ++i) {
- if (regmask & (1 << i)) {
- sel = i;
- DEBUG (g_print ("selected register %s has assignment %d\n", mono_arch_regname (sel), cfg->rs->iassign [sel]));
- break;
- }
- }
- i = cfg->rs->isymbolic [sel];
- spill = ++cfg->spill_count;
- cfg->rs->iassign [i] = -spill - 1;
- mono_regstate_free_int (cfg->rs, sel);
- /* we need to create a spill var and insert a load to sel after the current instruction */
- MONO_INST_NEW (cfg, load, OP_LOAD_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n", spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_int (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - get_float_register_spilling */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static int
-get_float_register_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, guint32 regmask, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- DEBUG (g_print ("start regmask to assign R%d: 0x%08x (R%d <- R%d R%d)\n", reg, regmask, ins->dreg, ins->sreg1, ins->sreg2));
- /* exclude the registers in the current instruction */
- if (reg != ins->sreg1 &&
- (freg_is_freeable (ins->sreg1) ||
- (ins->sreg1 >= MONO_MAX_FREGS &&
- cfg->rs->fassign [ins->sreg1] >= 0))) {
- if (ins->sreg1 >= MONO_MAX_FREGS)
- regmask &= ~ (1 << cfg->rs->fassign [ins->sreg1]);
- else
- regmask &= ~ (1 << ins->sreg1);
- DEBUG (g_print ("excluding sreg1 %s\n", mono_arch_regname (ins->sreg1)));
- }
- if (reg != ins->sreg2 &&
- (freg_is_freeable (ins->sreg2) ||
- (ins->sreg2 >= MONO_MAX_FREGS &&
- cfg->rs->fassign [ins->sreg2] >= 0))) {
- if (ins->sreg2 >= MONO_MAX_FREGS)
- regmask &= ~ (1 << cfg->rs->fassign [ins->sreg2]);
- else
- regmask &= ~ (1 << ins->sreg2);
- DEBUG (g_print ("excluding sreg2 %s %d\n", mono_arch_regname (ins->sreg2), ins->sreg2));
- }
- if (reg != ins->dreg && freg_is_freeable (ins->dreg)) {
- regmask &= ~ (1 << ins->dreg);
- DEBUG (g_print ("excluding dreg %s\n", mono_arch_regname (ins->dreg)));
- }
-
- DEBUG (g_print ("available regmask: 0x%08x\n", regmask));
- g_assert (regmask); /* need at least a register we can free */
- sel = -1;
- /* we should track prev_use and spill the register that's farther */
- for (i = 0; i < MONO_MAX_FREGS; ++i) {
- if (regmask & (1 << i)) {
- sel = i;
- DEBUG (g_print ("selected register %s has assignment %d\n",
- mono_arch_regname (sel), cfg->rs->fassign [sel]));
- break;
- }
- }
- i = cfg->rs->fsymbolic [sel];
- spill = ++cfg->spill_count;
- cfg->rs->fassign [i] = -spill - 1;
- mono_regstate_free_float(cfg->rs, sel);
- /* we need to create a spill var and insert a load to sel after the current instruction */
- MONO_INST_NEW (cfg, load, OP_LOADR8_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset_float (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n", spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_float (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - create_copy_ins */
-/* */
-/* Function - Create an instruction to copy from reg to reg. */
-/* */
-/*------------------------------------------------------------------*/
-
-static MonoInst*
-create_copy_ins (MonoCompile *cfg, int dest, int src, MonoInst *ins)
-{
- MonoInst *copy;
- MONO_INST_NEW (cfg, copy, OP_MOVE);
- copy->dreg = dest;
- copy->sreg1 = src;
- if (ins) {
- copy->next = ins->next;
- ins->next = copy;
- }
- DEBUG (g_print ("\tforced copy from %s to %s\n",
- mono_arch_regname (src), mono_arch_regname (dest)));
- return copy;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - create_copy_ins_float */
-/* */
-/* Function - Create an instruction to copy from float reg to */
-/* float reg. */
-/* */
-/*------------------------------------------------------------------*/
-
-static MonoInst*
-create_copy_ins_float (MonoCompile *cfg, int dest, int src, MonoInst *ins)
-{
- MonoInst *copy;
- MONO_INST_NEW (cfg, copy, OP_FMOVE);
- copy->dreg = dest;
- copy->sreg1 = src;
- if (ins) {
- copy->next = ins->next;
- ins->next = copy;
- }
- DEBUG (g_print ("\tforced copy from %s to %s\n",
- mono_arch_regname (src), mono_arch_regname (dest)));
- return copy;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - create_spilled_store */
-/* */
-/* Function - Spill register to storage. */
-/* */
-/*------------------------------------------------------------------*/
-
-static MonoInst*
-create_spilled_store (MonoCompile *cfg, int spill, int reg, int prev_reg, MonoInst *ins)
-{
- MonoInst *store;
- MONO_INST_NEW (cfg, store, OP_STORE_MEMBASE_REG);
- store->sreg1 = reg;
- store->inst_destbasereg = cfg->frame_reg;
- store->inst_offset = mono_spillvar_offset (cfg, spill);
- if (ins) {
- store->next = ins->next;
- ins->next = store;
+ break;
}
- DEBUG (g_print ("SPILLED STORE (%d at 0x%08x(%%sp)) R%d (from %s)\n",
- spill, store->inst_offset, prev_reg, mono_arch_regname (reg)));
- return store;
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - create_spilled_store_float */
-/* */
-/* Function - Spill floating point register to storage. */
-/* */
-/*------------------------------------------------------------------*/
-static MonoInst*
-create_spilled_store_float (MonoCompile *cfg, int spill, int reg, int prev_reg, MonoInst *ins)
-{
- MonoInst *store;
- MONO_INST_NEW (cfg, store, OP_STORER8_MEMBASE_REG);
- store->sreg1 = reg;
- store->inst_destbasereg = cfg->frame_reg;
- store->inst_offset = mono_spillvar_offset_float (cfg, spill);
- if (ins) {
- store->next = ins->next;
- ins->next = store;
- }
- DEBUG (g_print ("SPILLED STORE (%d at 0x%08x(%%sp)) R%d (from %s)\n",
- spill, store->inst_offset, prev_reg, mono_arch_regname (reg)));
- return store;
+ return code;
}
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - insert_before_ins */
-/* */
-/* Function - Insert an instruction before another. */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-insert_before_ins (MonoInst *ins, InstList *item, MonoInst* to_insert)
+void
+mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
{
- MonoInst *prev;
- g_assert (item->next);
- prev = item->next->data;
-
- while (prev->next != ins)
- prev = prev->next;
- to_insert->next = ins;
- prev->next = to_insert;
- /*
- * needed otherwise in the next instruction we can add an ins to the
- * end and that would get past this instruction.
- */
- item->data = to_insert;
}
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
-/* Name - alloc_int_reg */
+/* Name - mono_arch_peephole_pass */
/* */
-/* Function - Allocate a general register. */
+/* Function - Form a peephole pass at the code looking for */
+/* simple optimizations. */
/* */
/*------------------------------------------------------------------*/
-static int
-alloc_int_reg (MonoCompile *cfg, InstList *curinst, MonoInst *ins, int sym_reg, guint32 allow_mask)
+void
+mono_arch_peephole_pass_2 (MonoCompile *cfg, MonoBasicBlock *bb)
{
- int val = cfg->rs->iassign [sym_reg];
- DEBUG (g_print ("Allocating a general register for %d (%d) with mask %08x\n",val,sym_reg,allow_mask));
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (cfg->rs, allow_mask);
- if (val < 0)
- val = get_register_spilling (cfg, curinst, ins, allow_mask, sym_reg);
- cfg->rs->iassign [sym_reg] = val;
- /* add option to store before the instruction for src registers */
- if (spill)
- create_spilled_store (cfg, spill, val, sym_reg, ins);
+ MonoInst *ins, *n;
+
+ MONO_BB_FOR_EACH_INS_SAFE (bb, n, ins) {
+ mono_peephole_ins (bb, ins);
}
- DEBUG (g_print ("Allocated %d for %d\n",val,sym_reg));
- cfg->rs->isymbolic [val] = sym_reg;
- return val;
}
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_local_regalloc. */
-/* */
-/* Function - We first scan the list of instructions and we */
-/* save the liveness information of each register */
-/* (when the register is first used, when its value */
-/* is set etc.). We also reverse the list of instr- */
-/* uctions (in the InstList list) because assigning */
-/* registers backwards allows for more tricks to be */
-/* used. */
-/* */
-/*------------------------------------------------------------------*/
-
void
-mono_arch_local_regalloc (MonoCompile *cfg, MonoBasicBlock *bb)
+mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
{
- MonoInst *ins;
- MonoRegState *rs = cfg->rs;
- int i, val;
- RegTrack *reginfo, *reginfof;
- RegTrack *reginfo1, *reginfo2, *reginfod;
- InstList *tmp, *reversed = NULL;
- const char *spec;
- guint32 src1_mask, src2_mask, dest_mask;
- guint32 cur_iregs, cur_fregs;
-
- if (!bb->code)
- return;
- rs->next_vireg = bb->max_ireg;
- rs->next_vfreg = bb->max_freg;
- mono_regstate_assign (rs);
- reginfo = mono_mempool_alloc0 (cfg->mempool, sizeof (RegTrack) * rs->next_vireg);
- reginfof = mono_mempool_alloc0 (cfg->mempool, sizeof (RegTrack) * rs->next_vfreg);
- rs->ifree_mask = S390_CALLER_REGS;
- rs->ffree_mask = S390_CALLER_FREGS;
-
- ins = bb->code;
- i = 1;
- DEBUG (g_print ("LOCAL regalloc: basic block: %d\n", bb->block_num));
- /* forward pass on the instructions to collect register liveness info */
- while (ins) {
- spec = ins_spec [ins->opcode];
- DEBUG (print_ins (i, ins));
-// if (spec [MONO_INST_CLOB] == 'c') {
-// MonoCallInst * call = (MonoCallInst*)ins;
-// int j;
-// }
- if (spec [MONO_INST_SRC1]) {
- if (spec [MONO_INST_SRC1] == 'f')
- reginfo1 = reginfof;
- else
- reginfo1 = reginfo;
- reginfo1 [ins->sreg1].prev_use = reginfo1 [ins->sreg1].last_use;
- reginfo1 [ins->sreg1].last_use = i;
- } else {
- ins->sreg1 = -1;
- }
- if (spec [MONO_INST_SRC2]) {
- if (spec [MONO_INST_SRC2] == 'f')
- reginfo2 = reginfof;
- else
- reginfo2 = reginfo;
- reginfo2 [ins->sreg2].prev_use = reginfo2 [ins->sreg2].last_use;
- reginfo2 [ins->sreg2].last_use = i;
- } else {
- ins->sreg2 = -1;
- }
- if (spec [MONO_INST_DEST]) {
- if (spec [MONO_INST_DEST] == 'f')
- reginfod = reginfof;
- else
- reginfod = reginfo;
- if (spec [MONO_INST_DEST] != 'b') /* it's not just a base register */
- reginfod [ins->dreg].killed_in = i;
- reginfod [ins->dreg].prev_use = reginfod [ins->dreg].last_use;
- reginfod [ins->dreg].last_use = i;
- if (reginfod [ins->dreg].born_in == 0 || reginfod [ins->dreg].born_in > i)
- reginfod [ins->dreg].born_in = i;
- if (spec [MONO_INST_DEST] == 'l') {
- /* result in R2/R3, the virtual register is allocated sequentially */
- reginfod [ins->dreg + 1].prev_use = reginfod [ins->dreg + 1].last_use;
- reginfod [ins->dreg + 1].last_use = i;
- if (reginfod [ins->dreg + 1].born_in == 0 || reginfod [ins->dreg + 1].born_in > i)
- reginfod [ins->dreg + 1].born_in = i;
- }
- } else {
- ins->dreg = -1;
- }
- reversed = inst_list_prepend (cfg->mempool, reversed, ins);
- ++i;
- ins = ins->next;
- }
-
- cur_iregs = S390_CALLER_REGS;
- cur_fregs = S390_CALLER_FREGS;
-
- DEBUG (print_regtrack (reginfo, rs->next_vireg));
- DEBUG (print_regtrack (reginfof, rs->next_vfreg));
- tmp = reversed;
- while (tmp) {
- int prev_dreg, prev_sreg1, prev_sreg2;
- --i;
- ins = tmp->data;
- spec = ins_spec [ins->opcode];
- DEBUG (g_print ("processing:"));
- DEBUG (print_ins (i, ins));
- /* make the register available for allocation: FIXME add fp reg */
- if (ins->opcode == OP_SETREG || ins->opcode == OP_SETREGIMM) {
- cur_iregs |= 1 << ins->dreg;
- DEBUG (g_print ("adding %d to cur_iregs\n", ins->dreg));
- } else if (ins->opcode == OP_SETFREG) {
- cur_fregs |= 1 << ins->dreg;
- DEBUG (g_print ("adding %d to cur_fregs\n", ins->dreg));
- } else if (spec [MONO_INST_CLOB] == 'c') {
- MonoCallInst *cinst = (MonoCallInst*)ins;
- DEBUG (g_print ("excluding regs 0x%x from cur_iregs (0x%x)\n",
- cinst->used_iregs, cur_iregs));
- DEBUG (g_print ("excluding fpregs 0x%x from cur_fregs (0x%x)\n",
- cinst->used_fregs, cur_fregs));
- cur_iregs &= ~cinst->used_iregs;
- cur_fregs &= ~cinst->used_fregs;
- DEBUG (g_print ("available cur_iregs: 0x%x\n", cur_iregs));
- DEBUG (g_print ("available cur_fregs: 0x%x\n", cur_fregs));
- /*------------------------------------------------------------*/
- /* registers used by the calling convention are excluded from */
- /* allocation: they will be selectively enabled when they are */
- /* assigned by the special SETREG opcodes. */
- /*------------------------------------------------------------*/
- }
- dest_mask = src1_mask = src2_mask = cur_iregs;
- /*------------------------------------------------------*/
- /* update for use with FP regs... */
- /*------------------------------------------------------*/
- if (spec [MONO_INST_DEST] == 'f') {
- dest_mask = cur_fregs;
- if (ins->dreg >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->dreg];
- prev_dreg = ins->dreg;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_float (rs, dest_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, dest_mask, ins->dreg);
- rs->fassign [ins->dreg] = val;
- if (spill)
- create_spilled_store_float (cfg, spill, val, prev_dreg, ins);
- }
- DEBUG (g_print ("\tassigned dreg %s to dest R%d\n",
- mono_arch_regname (val), ins->dreg));
- rs->fsymbolic [val] = prev_dreg;
- ins->dreg = val;
- if (spec [MONO_INST_CLOB] == 'c' && ins->dreg != s390_f0) {
- /* this instruction only outputs to s390_f0, need to copy */
- create_copy_ins_float (cfg, ins->dreg, s390_f0, ins);
- }
- } else {
- prev_dreg = -1;
- }
- if (freg_is_freeable (ins->dreg) && prev_dreg >= 0 && (reginfof [prev_dreg].born_in >= i || !(cur_fregs & (1 << ins->dreg)))) {
- DEBUG (g_print ("\tfreeable %s (R%d) (born in %d)\n", mono_arch_regname (ins->dreg), prev_dreg, reginfo [prev_dreg].born_in));
- mono_regstate_free_float (rs, ins->dreg);
- }
- } else if (ins->dreg >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->dreg];
- prev_dreg = ins->dreg;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, dest_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, dest_mask, ins->dreg);
- rs->iassign [ins->dreg] = val;
- if (spill)
- create_spilled_store (cfg, spill, val, prev_dreg, ins);
- }
- DEBUG (g_print ("\tassigned dreg %s to dest R%d (prev: R%d)\n",
- mono_arch_regname (val), ins->dreg, prev_dreg));
- rs->isymbolic [val] = prev_dreg;
- ins->dreg = val;
- if (spec [MONO_INST_DEST] == 'l') {
- int hreg = prev_dreg + 1;
- val = rs->iassign [hreg];
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, dest_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, dest_mask, hreg);
- rs->iassign [hreg] = val;
- if (spill)
- create_spilled_store (cfg, spill, val, hreg, ins);
- }
- DEBUG (g_print ("\tassigned hreg %s to dest R%d\n", mono_arch_regname (val), hreg));
- rs->isymbolic [val] = hreg;
- /* FIXME:? ins->dreg = val; */
- if (ins->dreg == s390_r3) {
- if (val != s390_r2)
- create_copy_ins (cfg, val, s390_r2, ins);
- } else if (ins->dreg == s390_r2) {
- if (val == s390_r3) {
- /* swap */
- create_copy_ins (cfg, s390_r3, s390_r0, ins);
- create_copy_ins (cfg, s390_r2, s390_r3, ins);
- create_copy_ins (cfg, s390_r0, s390_r2, ins);
- } else {
- /* two forced copies */
- create_copy_ins (cfg, ins->dreg, s390_r3, ins);
- create_copy_ins (cfg, val, s390_r2, ins);
- }
- } else {
- if (val == s390_r2) {
- create_copy_ins (cfg, ins->dreg, s390_r2, ins);
- } else {
- /* two forced copies */
- create_copy_ins (cfg, val, s390_r2, ins);
- create_copy_ins (cfg, ins->dreg, s390_r3, ins);
- }
- }
- if (reg_is_freeable (val) &&
- hreg >= 0 &&
- (reginfo [hreg].born_in >= i &&
- !(cur_iregs & (1 << val)))) {
- DEBUG (g_print ("\tfreeable %s (R%d)\n", mono_arch_regname (val), hreg));
- mono_regstate_free_int (rs, val);
- }
- } else if (spec [MONO_INST_DEST] == 'a' && ins->dreg != s390_r2 && spec [MONO_INST_CLOB] != 'd') {
- /* this instruction only outputs to s390_r2, need to copy */
- create_copy_ins (cfg, ins->dreg, s390_r2, ins);
- }
- } else {
- prev_dreg = -1;
- }
- if (spec [MONO_INST_DEST] == 'f' &&
- freg_is_freeable (ins->dreg) &&
- prev_dreg >= 0 && (reginfof [prev_dreg].born_in >= i)) {
- DEBUG (g_print ("\tfreeable %s (R%d) (born in %d)\n", mono_arch_regname (ins->dreg), prev_dreg, reginfo [prev_dreg].born_in));
- mono_regstate_free_float (rs, ins->dreg);
- } else if (spec [MONO_INST_DEST] != 'f' &&
- reg_is_freeable (ins->dreg) &&
- prev_dreg >= 0 && (reginfo [prev_dreg].born_in >= i)) {
- DEBUG (g_print ("\tfreeable %s (R%d) (born in %d)\n", mono_arch_regname (ins->dreg), prev_dreg, reginfo [prev_dreg].born_in));
- mono_regstate_free_int (rs, ins->dreg);
- }
- if (spec [MONO_INST_SRC1] == 'f') {
- src1_mask = cur_fregs;
- if (ins->sreg1 >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->sreg1];
- prev_sreg1 = ins->sreg1;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_float (rs, src1_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, src1_mask, ins->sreg1);
- rs->fassign [ins->sreg1] = val;
- DEBUG (g_print ("\tassigned sreg1 %s to R%d\n", mono_arch_regname (val), ins->sreg1));
- if (spill) {
- MonoInst *store = create_spilled_store_float (cfg, spill, val, prev_sreg1, NULL);
- insert_before_ins (ins, tmp, store);
- }
- }
- rs->fsymbolic [val] = prev_sreg1;
- ins->sreg1 = val;
- } else {
- prev_sreg1 = -1;
- }
- } else if (ins->sreg1 >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->sreg1];
- prev_sreg1 = ins->sreg1;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, src1_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins,
- src1_mask,
- ins->sreg1);
- rs->iassign [ins->sreg1] = val;
- DEBUG (g_print ("\tassigned sreg1 %s to R%d\n",
- mono_arch_regname (val), ins->sreg1));
- if (spill) {
- MonoInst *store;
- store = create_spilled_store (cfg, spill, val,
- prev_sreg1, NULL);
- insert_before_ins (ins, tmp, store);
- }
- }
- rs->isymbolic [val] = prev_sreg1;
- ins->sreg1 = val;
- } else {
- prev_sreg1 = -1;
- }
- /*----------------------------------------------*/
- /* handle clobbering of sreg1 */
- /*----------------------------------------------*/
- if ((spec [MONO_INST_CLOB] == '1' ||
- spec [MONO_INST_CLOB] == 's') &&
- ins->dreg != ins->sreg1) {
- MonoInst *copy;
- copy = create_copy_ins (cfg, ins->dreg, ins->sreg1, NULL);
- DEBUG (g_print ("\tneed to copy sreg1 %s to dreg %s\n",
- mono_arch_regname (ins->sreg1),
- mono_arch_regname (ins->dreg)));
- if (ins->sreg2 == -1 || spec [MONO_INST_CLOB] == 's') {
- /* note: the copy is inserted before the current instruction! */
- insert_before_ins (ins, tmp, copy);
- /* we set sreg1 to dest as well */
- prev_sreg1 = ins->sreg1 = ins->dreg;
- } else {
- /* inserted after the operation */
- copy->next = ins->next;
- ins->next = copy;
- }
- }
-
- if (spec [MONO_INST_SRC2] == 'f') {
- src2_mask = cur_fregs;
- if (ins->sreg2 >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->sreg2];
- prev_sreg2 = ins->sreg2;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_float (rs, src2_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, src2_mask, ins->sreg2);
- rs->fassign [ins->sreg2] = val;
- DEBUG (g_print ("\tassigned sreg2 %s to R%d\n", mono_arch_regname (val), ins->sreg2));
- if (spill)
- create_spilled_store_float (cfg, spill, val, prev_sreg2, ins);
- }
- rs->fsymbolic [val] = prev_sreg2;
- ins->sreg2 = val;
- } else {
- prev_sreg2 = -1;
- }
- } else if (ins->sreg2 >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->sreg2];
- prev_sreg2 = ins->sreg2;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, src2_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, src2_mask, ins->sreg2);
- rs->iassign [ins->sreg2] = val;
- DEBUG (g_print ("\tassigned sreg2 %s to R%d\n", mono_arch_regname (val), ins->sreg2));
- if (spill)
- create_spilled_store (cfg, spill, val, prev_sreg2, ins);
- }
- rs->isymbolic [val] = prev_sreg2;
- ins->sreg2 = val;
- } else {
- prev_sreg2 = -1;
- }
+ MonoInst *ins, *next;
- if (spec [MONO_INST_CLOB] == 'c') {
- int j, s;
- guint32 clob_mask = S390_CALLER_REGS;
- for (j = 0; j < MONO_MAX_IREGS; ++j) {
- s = 1 << j;
- if ((clob_mask & s) && !(rs->ifree_mask & s) && j != ins->sreg1) {
- //g_warning ("register %s busy at call site\n", mono_arch_regname (j));
- }
- }
+ MONO_BB_FOR_EACH_INS_SAFE (bb, next, ins) {
+ switch (ins->opcode) {
+ case OP_DIV_IMM:
+ case OP_REM_IMM:
+ case OP_IDIV_IMM:
+ case OP_IREM_IMM:
+ case OP_IDIV_UN_IMM:
+ case OP_IREM_UN_IMM:
+ case OP_LOCALLOC_IMM:
+ mono_decompose_op_imm (cfg, bb, ins);
+ break;
+ default:
+ break;
}
- tmp = tmp->next;
}
+
+ bb->max_vreg = cfg->next_vreg;
}
/*========================= End of Function ========================*/
break;
}
} else {
+ short *o[1];
s390_basr (code, s390_r13, 0);
s390_j (code, 10);
- s390_llong (code, 0x41e0000000000000);
- s390_llong (code, 0x41f0000000000000);
+ s390_llong (code, 0x41e0000000000000LL);
+ s390_llong (code, 0x41f0000000000000LL);
s390_ldr (code, s390_f15, sreg);
- s390_cdb (code, s390_f15, 0, s390_r13, 0);
- s390_jl (code, 10);
- s390_sdb (code, s390_f15, 0, s390_r13, 8);
+ s390_cdb (code, s390_f15, 0, s390_r13, 4);
+ s390_jl (code, 0); CODEPTR(code, o[0]);
+ s390_sdb (code, s390_f15, 0, s390_r13, 12);
s390_cfdbr (code, dreg, 7, s390_f15);
s390_j (code, 4);
+ PTRSLOT(code, o[0]);
s390_cfdbr (code, dreg, 5, sreg);
switch (size) {
case 1:
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_emit_stack_alloc */
-/* */
-/* Function - */
-/* */
-/*------------------------------------------------------------------*/
-
-static unsigned char*
-mono_emit_stack_alloc (guchar *code, MonoInst* tree)
-{
- return code;
-}
-
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_output_basic_block */
guint last_offset = 0;
int max_len, cpos, src2;
- if (cfg->opt & MONO_OPT_PEEPHOLE)
- peephole_pass (cfg, bb);
-
/* we don't align basic blocks of loops on s390 */
if (cfg->verbose_level > 2)
//x86_inc_mem (code, &cov->data [bb->dfn].count);
}
- ins = bb->code;
- while (ins) {
+ MONO_BB_FOR_EACH_INS (bb, ins) {
offset = code - cfg->native_code;
- max_len = ((guint8 *)ins_spec [ins->opcode])[MONO_INST_LEN];
+ max_len = ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
if (offset > (cfg->code_size - max_len - 16)) {
cfg->code_size *= 2;
break;
case OP_STORE_MEMBASE_IMM:
case OP_STOREI4_MEMBASE_IMM: {
- if (s390_is_uimm16(ins->inst_imm)) {
+ if (s390_is_imm16(ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
}
}
break;
- case CEE_LDIND_I:
- case CEE_LDIND_I4:
- case CEE_LDIND_U4: {
- s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, ins->inst_p0);
- s390_l (code, s390_r13, 0, s390_r13, 4);
- s390_l (code, ins->dreg, 0, s390_r13, 0);
- }
- break;
case OP_LOADU4_MEM:
g_assert_not_reached ();
break;
if (s390_is_uimm12(ins->inst_offset))
s390_l (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
else {
- if (s390_is_uimm16(ins->inst_offset)) {
+ if (s390_is_imm16(ins->inst_offset)) {
s390_lhi (code, s390_r13, ins->inst_offset);
s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
} else {
s390_lr (code, ins->dreg, s390_r0);
}
break;
- case CEE_CONV_I1: {
- s390_lhi (code, s390_r0, 0x80);
- if (ins->dreg != ins->sreg1) {
+
+ case OP_ICONV_TO_I1: {
+ if (ins->dreg != ins->sreg1)
s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, s390_r0, ins->sreg1);
- s390_jz (code, 7);
- s390_lhi (code, s390_r13, -1);
- s390_sll (code, s390_r13, 0, 8);
- s390_or (code, ins->dreg, s390_r13);
+ s390_sll (code, ins->dreg, 0, 24);
+ s390_sra (code, ins->dreg, 0, 24);
}
break;
- case CEE_CONV_I2: {
- s390_lhi (code, s390_r0, 0x80);
- s390_sll (code, s390_r0, 0, 8);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, s390_r0, ins->sreg1);
- s390_jz (code, 7);
- s390_lhi (code, s390_r13, -1);
- s390_sll (code, s390_r13, 0, 16);
- s390_or (code, ins->dreg, s390_r13);
+ case OP_ICONV_TO_I2: {
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_sll (code, ins->dreg, 0, 16);
+ s390_sra (code, ins->dreg, 0, 16);
}
break;
- case CEE_CONV_U1: {
+ case OP_ICONV_TO_U1: {
s390_lhi (code, s390_r0, 0xff);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
s390_nr (code, ins->dreg, s390_r0);
}
break;
- case CEE_CONV_U2: {
+ case OP_ICONV_TO_U2: {
s390_lhi (code, s390_r0, -1);
s390_sll (code, s390_r0, 0, 16);
s390_srl (code, s390_r0, 0, 16);
s390_nr (code, ins->dreg, s390_r0);
}
break;
- case OP_COMPARE: {
- if ((ins->next) &&
- ((ins->next->opcode >= CEE_BNE_UN) &&
- (ins->next->opcode <= CEE_BLT_UN)) ||
- ((ins->next->opcode >= OP_COND_EXC_NE_UN) &&
- (ins->next->opcode <= OP_COND_EXC_LT_UN)) ||
- ((ins->next->opcode == OP_CLT_UN) ||
- (ins->next->opcode == OP_CGT_UN)))
+ case OP_COMPARE:
+ case OP_ICOMPARE: {
+ gboolean un = FALSE;
+ MonoInst *next = ins->next;
+
+ if ((next) &&
+ (((next->opcode >= OP_IBNE_UN) &&
+ (next->opcode <= OP_IBLT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_NE_UN) &&
+ (next->opcode <= OP_COND_EXC_LT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_INE_UN) &&
+ (next->opcode <= OP_COND_EXC_ILT_UN)) ||
+ ((next->opcode == OP_CLT_UN) ||
+ (next->opcode == OP_CGT_UN)) ||
+ ((next->opcode == OP_ICLT_UN) ||
+ (next->opcode == OP_ICGT_UN))))
+ un = TRUE;
+
+ if (un)
s390_clr (code, ins->sreg1, ins->sreg2);
else
s390_cr (code, ins->sreg1, ins->sreg2);
}
break;
- case OP_COMPARE_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ case OP_COMPARE_IMM:
+ case OP_ICOMPARE_IMM: {
+ gboolean un = FALSE;
+ MonoInst *next = ins->next;
+
+ if ((next) &&
+ (((next->opcode >= OP_IBNE_UN) &&
+ (next->opcode <= OP_IBLT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_NE_UN) &&
+ (next->opcode <= OP_COND_EXC_LT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_INE_UN) &&
+ (next->opcode <= OP_COND_EXC_ILT_UN)) ||
+ ((next->opcode == OP_CLT_UN) ||
+ (next->opcode == OP_CGT_UN)) ||
+ ((next->opcode == OP_ICLT_UN) ||
+ (next->opcode == OP_ICGT_UN))))
+ un = TRUE;
+
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
- if ((ins->next) &&
- ((ins->next->opcode >= CEE_BNE_UN) &&
- (ins->next->opcode <= CEE_BLT_UN)) ||
- ((ins->next->opcode >= OP_COND_EXC_NE_UN) &&
- (ins->next->opcode <= OP_COND_EXC_LT_UN)) ||
- ((ins->next->opcode == OP_CLT_UN) ||
- (ins->next->opcode == OP_CGT_UN)))
+ if (un)
s390_clr (code, ins->sreg1, s390_r0);
else
s390_cr (code, ins->sreg1, s390_r0);
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
s390_word (code, ins->inst_imm);
- if ((ins->next) &&
- ((ins->next->opcode >= CEE_BNE_UN) &&
- (ins->next->opcode <= CEE_BLT_UN)) ||
- ((ins->next->opcode >= OP_COND_EXC_NE_UN) &&
- (ins->next->opcode <= OP_COND_EXC_LT_UN)) ||
- ((ins->next->opcode == OP_CLT_UN) &&
- (ins->next->opcode == OP_CGT_UN)))
+ if (un)
s390_cl (code, ins->sreg1, 0, s390_r13, 4);
else
s390_c (code, ins->sreg1, 0, s390_r13, 4);
}
}
break;
- case OP_X86_TEST_NULL: {
- s390_ltr (code, ins->sreg1, ins->sreg1);
+ case OP_BREAK: {
+ mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, mono_break);
+ s390_brasl (code, s390_r14, 0);
}
break;
- case CEE_BREAK: {
- s390_break (code);
- }
- break;
- case OP_ADDCC: {
+ case OP_ADDCC:
+ case OP_IADDCC: {
CHECK_SRCDST_COM;
s390_alr (code, ins->dreg, src2);
}
break;
- case CEE_ADD: {
+ case OP_IADD: {
CHECK_SRCDST_COM;
s390_ar (code, ins->dreg, src2);
}
break;
- case OP_ADC: {
+ case OP_ADC:
+ case OP_IADC: {
CHECK_SRCDST_COM;
s390_alcr (code, ins->dreg, src2);
}
break;
- case OP_ADDCC_IMM:
- case OP_ADD_IMM: {
+ case OP_ADD_IMM:
+ case OP_IADD_IMM: {
+ if (ins->dreg != ins->sreg1) {
+ s390_lr (code, ins->dreg, ins->sreg1);
+ }
+ if ((ins->next) &&
+ (ins->next->opcode == OP_ADC_IMM)) {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_word (code, ins->inst_imm);
+ s390_a (code, ins->dreg, 0, s390_r13, 4);
+ } else {
+ if (s390_is_imm16 (ins->inst_imm)) {
+ s390_ahi (code, ins->dreg, ins->inst_imm);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_word (code, ins->inst_imm);
+ s390_a (code, ins->dreg, 0, s390_r13, 4);
+ }
+ }
+ }
+ break;
+ case OP_ADDCC_IMM: {
if ((ins->next) &&
(ins->next->opcode == OP_ADC_IMM)) {
s390_basr (code, s390_r13, 0);
}
s390_al (code, ins->dreg, 0, s390_r13, 4);
} else {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ if (s390_is_imm16 (ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_ahi (code, ins->dreg, ins->inst_imm);
+ s390_lhi (code, s390_r0, ins->inst_imm);
+ s390_alcr (code, ins->dreg, s390_r0);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_a (code, ins->dreg, 0, s390_r13, 4);
+ s390_al (code, ins->dreg, 0, s390_r13, 4);
}
}
}
break;
case OP_ADC_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ if (s390_is_imm16 (ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
}
}
break;
- case CEE_ADD_OVF: {
+ case OP_IADD_OVF:
+ case OP_S390_IADD_OVF: {
CHECK_SRCDST_COM;
s390_ar (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
}
break;
- case CEE_ADD_OVF_UN: {
+ case OP_IADD_OVF_UN:
+ case OP_S390_IADD_OVF_UN: {
CHECK_SRCDST_COM;
s390_alr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
}
break;
+ case OP_LADD:
+ case OP_S390_LADD: {
+ s390_alr (code, s390_r0, ins->sreg1);
+ s390_jnc (code, 4);
+ s390_ahi (code, s390_r1, 1);
+ s390_ar (code, s390_r1, ins->sreg2);
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
+ case OP_LADD_OVF:
+ case OP_S390_LADD_OVF: {
+ short int *o[1];
+ s390_alr (code, s390_r0, ins->sreg1);
+ s390_jnc (code, 0); CODEPTR(code, o[0]);
+ s390_ahi (code, s390_r1, 1);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
+ PTRSLOT (code, o[0]);
+ s390_ar (code, s390_r1, ins->sreg2);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
+ case OP_LADD_OVF_UN:
+ case OP_S390_LADD_OVF_UN: {
+ s390_alr (code, s390_r0, ins->sreg1);
+ s390_alcr (code, s390_r1, ins->sreg2);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
case OP_ADD_OVF_CARRY: {
CHECK_SRCDST_COM;
s390_lhi (code, s390_r0, 0);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
}
break;
- case OP_SUBCC: {
+ case OP_SUBCC:
+ case OP_ISUBCC: {
CHECK_SRCDST_NCOM;
s390_slr (code, ins->dreg, src2);
}
break;
- case CEE_SUB: {
+ case OP_ISUB: {
CHECK_SRCDST_NCOM;
s390_sr (code, ins->dreg, src2);
}
break;
- case OP_SBB: {
+ case OP_SBB:
+ case OP_ISBB: {
CHECK_SRCDST_NCOM;
s390_slbr (code, ins->dreg, src2);
}
break;
case OP_SUBCC_IMM: {
- if (s390_is_uimm16 (-ins->inst_imm)) {
+ if (s390_is_imm16 (-ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_ahi (code, ins->dreg, -ins->inst_imm);
+ s390_lhi (code, s390_r0, ins->inst_imm);
+ s390_slr (code, ins->dreg, s390_r0);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
}
}
break;
- case OP_SUB_IMM: {
- if (s390_is_uimm16 (-ins->inst_imm)) {
+ case OP_SUB_IMM:
+ case OP_ISUB_IMM: {
+ if (s390_is_imm16 (-ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- if (s390_is_uimm16 (-ins->inst_imm)) {
+ if (s390_is_imm16 (-ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
s390_slbr (code, ins->dreg, s390_r0);
} else {
}
}
break;
- case CEE_SUB_OVF: {
+ case OP_ISUB_OVF:
+ case OP_S390_ISUB_OVF: {
CHECK_SRCDST_NCOM;
s390_sr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
}
break;
- case CEE_SUB_OVF_UN: {
+ case OP_ISUB_OVF_UN:
+ case OP_S390_ISUB_OVF_UN: {
CHECK_SRCDST_NCOM;
s390_slr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
}
break;
+ case OP_LSUB:
+ case OP_S390_LSUB: {
+ s390_lr (code, s390_r14, ins->sreg2);
+ s390_slr (code, s390_r0, ins->sreg1);
+ s390_jnl (code, 4);
+ s390_ahi (code, s390_r14, 1);
+ s390_sr (code, s390_r1, s390_r14);
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
+ case OP_LSUB_OVF:
+ case OP_S390_LSUB_OVF: {
+ short int *o[1];
+ s390_lr (code, s390_r14, ins->sreg2);
+ s390_slr (code, s390_r0, ins->sreg1);
+ s390_jnl (code, 0); CODEPTR(code, o[0]);
+ s390_ahi (code, s390_r14, 1);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
+ PTRSLOT (code, o[0]);
+ s390_sr (code, s390_r1, s390_r14);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
+ case OP_LSUB_OVF_UN:
+ case OP_S390_LSUB_OVF_UN: {
+ s390_slr (code, s390_r0, ins->sreg1);
+ s390_slbr (code, s390_r1, ins->sreg2);
+ EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
+ s390_lr (code, ins->dreg, s390_r0);
+ s390_lr (code, ins->dreg+1, s390_r1);
+ }
+ break;
case OP_SUB_OVF_CARRY: {
CHECK_SRCDST_NCOM;
s390_lhi (code, s390_r0, 0);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
}
break;
- case CEE_AND: {
+ case OP_IAND: {
if (ins->sreg1 == ins->dreg) {
s390_nr (code, ins->dreg, ins->sreg2);
}
}
}
break;
- case OP_AND_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ case OP_AND_IMM:
+ case OP_IAND_IMM: {
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
}
break;
- case CEE_DIV: {
+ case OP_IDIV: {
s390_lr (code, s390_r0, ins->sreg1);
s390_srda (code, s390_r0, 0, 32);
s390_dr (code, s390_r0, ins->sreg2);
s390_lr (code, ins->dreg, s390_r1);
}
break;
- case CEE_DIV_UN: {
+ case OP_IDIV_UN: {
s390_lr (code, s390_r0, ins->sreg1);
s390_srdl (code, s390_r0, 0, 32);
s390_dlr (code, s390_r0, ins->sreg2);
s390_lr (code, ins->dreg, s390_r1);
}
break;
- case OP_DIV_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
- s390_lhi (code, s390_r13, ins->inst_imm);
- s390_lr (code, s390_r0, ins->sreg1);
- } else {
- s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, ins->inst_imm);
- s390_lr (code, s390_r0, ins->sreg1);
- s390_l (code, s390_r13, 0, s390_r13, 4);
- }
- s390_srda (code, s390_r0, 0, 32);
- s390_dr (code, s390_r0, s390_r13);
- s390_lr (code, ins->dreg, s390_r1);
- }
- break;
- case CEE_REM: {
+ case OP_IREM: {
s390_lr (code, s390_r0, ins->sreg1);
s390_srda (code, s390_r0, 0, 32);
s390_dr (code, s390_r0, ins->sreg2);
s390_lr (code, ins->dreg, s390_r0);
break;
- case CEE_REM_UN:
+ case OP_IREM_UN:
s390_lr (code, s390_r0, ins->sreg1);
s390_srdl (code, s390_r0, 0, 32);
s390_dlr (code, s390_r0, ins->sreg2);
s390_lr (code, ins->dreg, s390_r0);
}
break;
- case OP_REM_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
- s390_lhi (code, s390_r13, ins->inst_imm);
- s390_lr (code, s390_r0, ins->sreg1);
- } else {
- s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, ins->inst_imm);
- s390_lr (code, s390_r0, ins->sreg1);
- s390_l (code, s390_r13, 0, s390_r13, 4);
- }
- s390_srda (code, s390_r0, 0, 32);
- s390_dr (code, s390_r0, s390_r13);
- s390_lr (code, ins->dreg, s390_r0);
- }
- break;
- case CEE_OR: {
+ case OP_IOR: {
if (ins->sreg1 == ins->dreg) {
s390_or (code, ins->dreg, ins->sreg2);
}
}
}
break;
- case OP_OR_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ case OP_OR_IMM:
+ case OP_IOR_IMM: {
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
}
break;
- case CEE_XOR: {
+ case OP_IXOR: {
if (ins->sreg1 == ins->dreg) {
s390_xr (code, ins->dreg, ins->sreg2);
}
}
}
break;
- case OP_XOR_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ case OP_XOR_IMM:
+ case OP_IXOR_IMM: {
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
}
break;
- case CEE_SHL: {
+ case OP_ISHL: {
CHECK_SRCDST_NCOM;
s390_sll (code, ins->dreg, src2, 0);
}
break;
- case OP_SHL_IMM: {
+ case OP_SHL_IMM:
+ case OP_ISHL_IMM: {
if (ins->sreg1 != ins->dreg) {
s390_lr (code, ins->dreg, ins->sreg1);
}
s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
}
break;
- case CEE_SHR: {
+ case OP_ISHR: {
CHECK_SRCDST_NCOM;
s390_sra (code, ins->dreg, src2, 0);
}
break;
- case OP_SHR_IMM: {
+ case OP_SHR_IMM:
+ case OP_ISHR_IMM: {
if (ins->sreg1 != ins->dreg) {
s390_lr (code, ins->dreg, ins->sreg1);
}
s390_sra (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
}
break;
- case OP_SHR_UN_IMM: {
+ case OP_SHR_UN_IMM:
+ case OP_ISHR_UN_IMM: {
if (ins->sreg1 != ins->dreg) {
s390_lr (code, ins->dreg, ins->sreg1);
}
s390_srl (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
}
break;
- case CEE_SHR_UN: {
+ case OP_ISHR_UN: {
CHECK_SRCDST_NCOM;
s390_srl (code, ins->dreg, src2, 0);
}
break;
- case CEE_NOT: {
+ case OP_INOT: {
if (ins->sreg1 != ins->dreg) {
s390_lr (code, ins->dreg, ins->sreg1);
}
s390_xr (code, ins->dreg, s390_r0);
}
break;
- case CEE_NEG: {
+ case OP_INEG: {
+ s390_lcr (code, ins->dreg, ins->sreg1);
+ }
+ break;
+ case OP_S390_LNEG: {
+ /* From gcc code */
+ g_assert (ins->dreg + 1 != ins->sreg1);
+ s390_lcr (code, ins->dreg + 1, ins->sreg2);
s390_lcr (code, ins->dreg, ins->sreg1);
+ s390_je (code, 3);
+ s390_bctr (code, ins->dreg + 1, 0);
}
break;
- case CEE_MUL: {
+ case OP_IMUL: {
if (ins->sreg1 == ins->dreg) {
s390_msr (code, ins->dreg, ins->sreg2);
}
}
}
break;
- case OP_MUL_IMM: {
- if (s390_is_uimm16 (ins->inst_imm)) {
+ case OP_MUL_IMM:
+ case OP_IMUL_IMM: {
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_lhi (code, s390_r13, ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
s390_word (code, ins->inst_imm);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
+// if (ins->dreg != ins->sreg1) {
+// s390_lr (code, ins->dreg, ins->sreg1);
+// }
s390_l (code, s390_r13, 0, s390_r13, 4);
}
+ if (ins->dreg != ins->sreg1) {
+ s390_lr (code, ins->dreg, ins->sreg1);
+ }
s390_msr (code, ins->dreg, s390_r13);
}
break;
- case CEE_MUL_OVF: {
+ case OP_IMUL_OVF: {
short int *o[2];
s390_ltr (code, s390_r1, ins->sreg1);
s390_jz (code, 0); CODEPTR(code, o[0]);
s390_lr (code, ins->dreg, s390_r1);
}
break;
- case CEE_MUL_OVF_UN: {
+ case OP_IMUL_OVF_UN: {
s390_lhi (code, s390_r0, 0);
s390_lr (code, s390_r1, ins->sreg1);
s390_mlr (code, s390_r0, ins->sreg2);
s390_st (code, s390_r1, 0, ins->dreg, 4);
}
break;
- case OP_ICONST:
- case OP_SETREGIMM: {
- if (s390_is_uimm16(ins->inst_c0)) {
+ case OP_ICONST: {
+ if (s390_is_imm16(ins->inst_c0)) {
s390_lhi (code, ins->dreg, ins->inst_c0);
} else {
s390_basr (code, s390_r13, 0);
s390_l (code,ins->dreg, 0, s390_r13, 4);
}
break;
- case CEE_CONV_I4:
- case CEE_CONV_U4:
- case OP_MOVE:
- case OP_SETREG: {
+ case OP_JUMP_TABLE: {
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_word (code, 0);
+ s390_l (code, ins->dreg, 0, s390_r13, 4);
+ }
+ break;
+ case OP_ICONV_TO_I4:
+ case OP_ICONV_TO_U4:
+ case OP_MOVE: {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
s390_lr (code, s390_r3, saved);
break;
}
- case OP_SETFREG:
case OP_FMOVE: {
if (ins->dreg != ins->sreg1) {
s390_ldr (code, ins->dreg, ins->sreg1);
}
break;
case OP_TLS_GET: {
- if (s390_is_uimm16 (ins->inst_offset)) {
+ if (s390_is_imm16 (ins->inst_offset)) {
s390_lhi (code, s390_r13, ins->inst_offset);
} else {
s390_bras (code, s390_r13, 0);
}
break;
case OP_FCONV_TO_R4: {
+ // FIXME:
+ if (ins->dreg != ins->sreg1) {
+ s390_ldr (code, ins->dreg, ins->sreg1);
+ }
+ /*
+ NOT_IMPLEMENTED;
if ((ins->next) &&
- (ins->next->opcode != OP_STORER4_MEMBASE_REG))
+ (ins->next->opcode != OP_FMOVE) &&
+ (ins->next->opcode != OP_STORER4_MEMBASE_REG))
s390_ledbr (code, ins->dreg, ins->sreg1);
+ */
}
break;
- case CEE_JMP: {
- int iParm, fParm, pOffset;
+ case OP_JMP: {
if (cfg->method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
if (cfg->flags & MONO_CFG_HAS_TAIL) {
- pOffset = S390_PARM_SAVE_OFFSET;
- s390_l (code, s390_r13, 0, STK_BASE, 0);
- for (iParm = s390_r2;
- iParm <= s390_r5;
- iParm++, pOffset+sizeof(gint32)) {
- if (cfg->used_int_regs & (1 << iParm))
- s390_l (code, iParm, 0, s390_r13, pOffset);
- }
- pOffset = S390_FLOAT_SAVE_OFFSET;
- for (fParm = 0;
- fParm < 4;
- fParm++, pOffset+sizeof(double))
- s390_ld (code, fParm, 0, s390_r13, pOffset);
+ code = emit_load_volatile_registers(code, cfg);
}
- code = backUpStackPtr(cfg, code);
+ code = backUpStackPtr(cfg, code, STK_BASE);
s390_l (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
mono_add_patch_info (cfg, code - cfg->native_code,
MONO_PATCH_INFO_METHOD_JUMP,
case OP_ARGLIST: {
int offset = cfg->sig_cookie + cfg->stack_usage;
- if (s390_is_uimm16 (offset))
+ if (s390_is_imm16 (offset))
s390_lhi (code, s390_r0, offset);
else {
s390_basr (code, s390_r13, 0);
break;
case OP_LCALL:
case OP_VCALL:
+ case OP_VCALL2:
case OP_VOIDCALL:
- case CEE_CALL: {
+ case OP_CALL: {
call = (MonoCallInst*)ins;
if (ins->flags & MONO_INST_HAS_METHOD)
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD, call->method);
break;
case OP_LCALL_REG:
case OP_VCALL_REG:
+ case OP_VCALL2_REG:
case OP_VOIDCALL_REG:
case OP_CALL_REG: {
s390_lr (code, s390_r1, ins->sreg1);
s390_basr (code, s390_r14, s390_r1);
}
break;
- case OP_FCALL_MEMBASE: {
- call = (MonoCallInst*)ins;
- s390_l (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
- s390_basr (code, s390_r14, s390_r1);
- if (call->signature->ret->type == MONO_TYPE_R4)
- s390_ldebr (code, s390_f0, s390_f0);
- }
- break;
case OP_LCALL_MEMBASE:
case OP_VCALL_MEMBASE:
+ case OP_VCALL2_MEMBASE:
case OP_VOIDCALL_MEMBASE:
+ case OP_FCALL_MEMBASE:
case OP_CALL_MEMBASE: {
- s390_l (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
+ call = (MonoCallInst*)ins;
+ if (s390_is_uimm12(ins->inst_offset))
+ s390_l (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
+ else {
+ if (s390_is_imm16(ins->inst_offset)) {
+ s390_lhi (code, s390_r13, ins->inst_offset);
+ s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_word (code, ins->inst_offset);
+ s390_l (code, s390_r13, 0, s390_r13, 4);
+ s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
+ }
+ }
s390_basr (code, s390_r14, s390_r1);
+ if (ins->opcode == OP_FCALL_MEMBASE && call->signature->ret->type == MONO_TYPE_R4)
+ s390_ldebr (code, s390_f0, s390_f0);
}
break;
- case OP_OUTARG:
- g_assert_not_reached ();
- break;
case OP_LOCALLOC: {
- int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area +
- S390_STACK_ALIGNMENT - 1;
+ /*------------------------------------------*/
+ /* To allocate space on the stack we have */
+ /* to allow room for parameters passed in */
+ /* calls, the backchain pointer and round */
+ /* it to our stack alignment requirements */
+ /*------------------------------------------*/
+ int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
s390_lr (code, s390_r1, ins->sreg1);
if (ins->flags & MONO_INST_INIT)
s390_ahi (code, s390_r1, 14);
s390_srl (code, s390_r1, 0, 3);
s390_sll (code, s390_r1, 0, 3);
+ if (cfg->method->save_lmf) {
+ /*----------------------------------*/
+ /* we have to adjust lmf ebp value */
+ /*----------------------------------*/
+ int lmfOffset = cfg->stack_usage - sizeof(MonoLMF);
+
+ s390_lr (code, s390_r13, cfg->frame_reg);
+ if (s390_is_uimm16(lmfOffset))
+ s390_ahi (code, s390_r13, lmfOffset);
+ else {
+ s390_basr (code, s390_r14, 0);
+ s390_j (code, 4);
+ s390_word (code, lmfOffset);
+ s390_a (code, s390_r13, 0, s390_r14, 4);
+ }
+ s390_lr (code, s390_r14, STK_BASE);
+ s390_sr (code, s390_r14, s390_r1);
+ s390_st (code, s390_r14, 0, s390_r13,
+ G_STRUCT_OFFSET(MonoLMF, ebp));
+ }
s390_l (code, s390_r13, 0, STK_BASE, 0);
- s390_lcr (code, s390_r1, s390_r1);
- s390_la (code, STK_BASE, STK_BASE, s390_r1, 0);
+ s390_sr (code, STK_BASE, s390_r1);
s390_st (code, s390_r13, 0, STK_BASE, 0);
s390_la (code, ins->dreg, 0, STK_BASE, area_offset);
s390_srl (code, ins->dreg, 0, 3);
}
}
break;
- case CEE_RET: {
- s390_br (code, s390_r14);
- }
- break;
- case CEE_THROW: {
+ case OP_THROW: {
s390_lr (code, s390_r2, ins->sreg1);
mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
(gpointer)"mono_arch_throw_exception");
}
break;
case OP_START_HANDLER: {
- if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+ if (s390_is_uimm12 (spvar->inst_offset)) {
s390_st (code, s390_r14, 0,
- ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ spvar->inst_basereg,
+ spvar->inst_offset);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
- s390_word (code, ins->inst_left->inst_offset);
+ s390_word (code, spvar->inst_offset);
s390_l (code, s390_r13, 0, s390_r13, 4);
s390_st (code, s390_r14, s390_r13,
- ins->inst_left->inst_basereg, 0);
+ spvar->inst_basereg, 0);
}
}
break;
case OP_ENDFILTER: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
if (ins->sreg1 != s390_r2)
s390_lr (code, s390_r2, ins->sreg1);
- if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
- s390_l (code, s390_r14, 0, ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ if (s390_is_uimm12 (spvar->inst_offset)) {
+ s390_l (code, s390_r14, 0, spvar->inst_basereg,
+ spvar->inst_offset);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
- s390_word (code, ins->inst_left->inst_offset);
+ s390_word (code, spvar->inst_offset);
s390_l (code, s390_r13, 0, s390_r13, 4);
s390_l (code, s390_r14, s390_r13,
- ins->inst_left->inst_basereg, 0);
+ spvar->inst_basereg, 0);
}
s390_br (code, s390_r14);
}
break;
- case CEE_ENDFINALLY: {
- if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
- s390_l (code, s390_r14, 0, ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ case OP_ENDFINALLY: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+ if (s390_is_uimm12 (spvar->inst_offset)) {
+ s390_l (code, s390_r14, 0, spvar->inst_basereg,
+ spvar->inst_offset);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
- s390_word (code, ins->inst_left->inst_offset);
+ s390_word (code, spvar->inst_offset);
s390_l (code, s390_r13, 0, s390_r13, 4);
s390_l (code, s390_r14, s390_r13,
- ins->inst_left->inst_basereg, 0);
+ spvar->inst_basereg, 0);
}
s390_br (code, s390_r14);
}
mono_add_patch_info (cfg, code-cfg->native_code,
MONO_PATCH_INFO_BB, ins->inst_target_bb);
s390_brasl (code, s390_r14, 0);
+ mono_cfg_add_try_hole (cfg, ins->inst_eh_block, code, bb);
}
break;
case OP_LABEL: {
ins->inst_c0 = code - cfg->native_code;
}
break;
- case CEE_BR:
+ case OP_RELAXED_NOP:
+ case OP_NOP:
+ case OP_DUMMY_USE:
+ case OP_DUMMY_STORE:
+ case OP_NOT_REACHED:
+ case OP_NOT_NULL: {
+ }
+ break;
+ case OP_BR:
EMIT_UNCOND_BRANCH(ins);
break;
case OP_BR_REG: {
s390_br (code, ins->sreg1);
}
break;
- case OP_CEQ: {
+ case OP_CEQ:
+ case OP_ICEQ: {
s390_lhi (code, ins->dreg, 1);
s390_jz (code, 4);
s390_lhi (code, ins->dreg, 0);
}
break;
- case OP_CLT: {
+ case OP_CLT:
+ case OP_ICLT: {
s390_lhi (code, ins->dreg, 1);
s390_jl (code, 4);
s390_lhi (code, ins->dreg, 0);
}
break;
- case OP_CLT_UN: {
+ case OP_CLT_UN:
+ case OP_ICLT_UN: {
s390_lhi (code, ins->dreg, 1);
s390_jlo (code, 4);
s390_lhi (code, ins->dreg, 0);
}
break;
- case OP_CGT: {
+ case OP_CGT:
+ case OP_ICGT: {
s390_lhi (code, ins->dreg, 1);
s390_jh (code, 4);
s390_lhi (code, ins->dreg, 0);
}
break;
- case OP_CGT_UN: {
+ case OP_CGT_UN:
+ case OP_ICGT_UN: {
s390_lhi (code, ins->dreg, 1);
s390_jho (code, 4);
s390_lhi (code, ins->dreg, 0);
}
break;
case OP_COND_EXC_EQ:
+ case OP_COND_EXC_IEQ:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
break;
case OP_COND_EXC_NE_UN:
+ case OP_COND_EXC_INE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
break;
case OP_COND_EXC_LT:
+ case OP_COND_EXC_ILT:
case OP_COND_EXC_LT_UN:
+ case OP_COND_EXC_ILT_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
break;
case OP_COND_EXC_GT:
+ case OP_COND_EXC_IGT:
case OP_COND_EXC_GT_UN:
+ case OP_COND_EXC_IGT_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
break;
case OP_COND_EXC_GE:
+ case OP_COND_EXC_IGE:
case OP_COND_EXC_GE_UN:
+ case OP_COND_EXC_IGE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
break;
case OP_COND_EXC_LE:
+ case OP_COND_EXC_ILE:
case OP_COND_EXC_LE_UN:
+ case OP_COND_EXC_ILE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
break;
case OP_COND_EXC_OV:
+ case OP_COND_EXC_IOV:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
break;
case OP_COND_EXC_NO:
+ case OP_COND_EXC_INO:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
break;
case OP_COND_EXC_C:
+ case OP_COND_EXC_IC:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
break;
case OP_COND_EXC_NC:
+ case OP_COND_EXC_INC:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
break;
- case CEE_BEQ:
+ case OP_IBEQ:
EMIT_COND_BRANCH (ins, S390_CC_EQ);
break;
- case CEE_BNE_UN:
+ case OP_IBNE_UN:
EMIT_COND_BRANCH (ins, S390_CC_NE);
break;
- case CEE_BLT:
- case CEE_BLT_UN:
+ case OP_IBLT:
+ case OP_IBLT_UN:
EMIT_COND_BRANCH (ins, S390_CC_LT);
break;
- case CEE_BGT:
- case CEE_BGT_UN:
+ case OP_IBGT:
+ case OP_IBGT_UN:
EMIT_COND_BRANCH (ins, S390_CC_GT);
break;
- case CEE_BGE:
- case CEE_BGE_UN:
+ case OP_IBGE:
+ case OP_IBGE_UN:
EMIT_COND_BRANCH (ins, S390_CC_GE);
break;
- case CEE_BLE:
- case CEE_BLE_UN:
+ case OP_IBLE:
+ case OP_IBLE_UN:
EMIT_COND_BRANCH (ins, S390_CC_LE);
break;
}
}
break;
- case CEE_CONV_R_UN: {
+ case OP_ICONV_TO_R_UN: {
s390_cdfbr (code, ins->dreg, ins->sreg1);
s390_ltr (code, ins->sreg1, ins->sreg1);
s390_jnl (code, 12);
s390_adb (code, ins->dreg, 0, s390_r13, 4);
}
break;
- case CEE_CONV_R4: {
+ case OP_ICONV_TO_R4: {
s390_cdfbr (code, ins->dreg, ins->sreg1);
}
break;
- case CEE_CONV_R8: {
+ case OP_ICONV_TO_R8: {
s390_cdfbr (code, ins->dreg, ins->sreg1);
}
break;
g_assert_not_reached ();
/* Implemented as helper calls */
break;
- case OP_LCONV_TO_OVF_I: {
+ case OP_LCONV_TO_OVF_I:
+ case OP_LCONV_TO_OVF_I4_2: {
/* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
short int *o[5];
s390_ltr (code, ins->sreg1, ins->sreg1);
s390_lhi (code, s390_r13, -1);
s390_cr (code, ins->sreg2, s390_r13);
s390_jnz (code, 0); CODEPTR(code, o[2]);
- if (ins->dreg != ins->sreg1)
- s390_lr (code, ins->dreg, ins->sreg1);
s390_j (code, 0); CODEPTR(code, o[3]);
PTRSLOT(code, o[0]);
s390_ltr (code, ins->sreg2, ins->sreg2);
s390_brasl (code, s390_r14, 0);
PTRSLOT(code, o[3]);
PTRSLOT(code, o[4]);
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
}
break;
case OP_SQRT: {
s390_sqdbr (code, ins->dreg, ins->sreg1);
}
break;
- case OP_FADD: {
- if (ins->dreg == ins->sreg1)
- s390_adbr (code, ins->dreg, ins->sreg2);
- else {
- if (ins->dreg == ins->sreg2)
- s390_adbr (code, ins->dreg, ins->sreg1);
- else {
- s390_ldr (code, ins->dreg, ins->sreg1);
- s390_adbr (code, ins->dreg, ins->sreg2);
- }
- }
- }
- break;
+ case OP_FADD: {
+ CHECK_SRCDST_COM_F;
+ s390_adbr (code, ins->dreg, src2);
+ }
+ break;
case OP_FSUB: {
CHECK_SRCDST_NCOM_F;
s390_sdbr (code, ins->dreg, src2);
}
break;
case OP_FMUL: {
- if (ins->dreg == ins->sreg1)
- s390_mdbr (code, ins->dreg, ins->sreg2);
- else {
- if (ins->dreg == ins->sreg2)
- s390_mdbr (code, ins->dreg, ins->sreg1);
- else {
- s390_ldr (code, ins->dreg, ins->sreg1);
- s390_mdbr (code, ins->dreg, ins->sreg2);
- }
- }
+ CHECK_SRCDST_COM_F;
+ s390_mdbr (code, ins->dreg, src2);
}
break;
case OP_FDIV: {
break;
case OP_FREM: {
CHECK_SRCDST_NCOM_F;
- s390_didbr (code, ins->dreg, ins->sreg2, 5, s390_f15);
+ s390_didbr (code, ins->dreg, src2, 5, s390_f15);
}
break;
case OP_FCOMPARE: {
s390_lhi (code, ins->dreg, 0);
}
break;
- case OP_FBEQ:
- EMIT_COND_BRANCH (ins, S390_CC_EQ|S390_CC_OV);
+ case OP_FBEQ: {
+ short *o;
+ s390_jo (code, 0); CODEPTR(code, o);
+ EMIT_COND_BRANCH (ins, S390_CC_EQ);
+ PTRSLOT(code, o);
+ }
break;
case OP_FBNE_UN:
EMIT_COND_BRANCH (ins, S390_CC_NE|S390_CC_OV);
break;
- case OP_FBLT:
+ case OP_FBLT: {
+ short *o;
+ s390_jo (code, 0); CODEPTR(code, o);
EMIT_COND_BRANCH (ins, S390_CC_LT);
+ PTRSLOT(code, o);
+ }
break;
case OP_FBLT_UN:
EMIT_COND_BRANCH (ins, S390_CC_LT|S390_CC_OV);
break;
- case OP_FBGT:
+ case OP_FBGT: {
+ short *o;
+ s390_jo (code, 0); CODEPTR(code, o);
EMIT_COND_BRANCH (ins, S390_CC_GT);
+ PTRSLOT(code, o);
+ }
break;
case OP_FBGT_UN:
EMIT_COND_BRANCH (ins, S390_CC_GT|S390_CC_OV);
break;
- case OP_FBGE:
+ case OP_FBGE: {
+ short *o;
+ s390_jo (code, 0); CODEPTR(code, o);
EMIT_COND_BRANCH (ins, S390_CC_GE);
+ PTRSLOT(code, o);
+ }
break;
case OP_FBGE_UN:
EMIT_COND_BRANCH (ins, S390_CC_GE|S390_CC_OV);
break;
- case OP_FBLE:
+ case OP_FBLE: {
+ short *o;
+ s390_jo (code, 0); CODEPTR(code, o);
EMIT_COND_BRANCH (ins, S390_CC_LE);
+ PTRSLOT(code, o);
+ }
break;
case OP_FBLE_UN:
EMIT_COND_BRANCH (ins, S390_CC_LE|S390_CC_OV);
break;
- case CEE_CKFINITE: {
+ case OP_CKFINITE: {
short *o;
s390_lhi (code, s390_r13, 0x7f);
s390_tcdb (code, ins->sreg1, 0, s390_r13, 0);
}
break;
case OP_S390_MOVE: {
- if (ins->unused > 0) {
- if (ins->unused <= 256) {
- s390_mvc (code, ins->unused, ins->dreg,
+ if (ins->backend.size > 0) {
+ if (ins->backend.size <= 256) {
+ s390_mvc (code, ins->backend.size, ins->dreg,
ins->inst_offset, ins->sreg1, ins->inst_imm);
} else {
- s390_lr (code, s390_r0, ins->dreg);
- if (s390_is_uimm16 (ins->inst_offset)) {
+ s390_lr (code, s390_r0, ins->dreg);
+ if (s390_is_imm16 (ins->inst_offset)) {
s390_ahi (code, s390_r0, ins->inst_offset);
} else {
s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, ins->inst_offset);
+ s390_j (code, 6);
+ s390_long (code, ins->inst_offset);
s390_a (code, s390_r0, 0, s390_r13, 4);
}
- s390_lr (code, s390_r14, s390_r12);
- s390_lr (code, s390_r12, ins->sreg1);
- if (s390_is_uimm16 (ins->inst_imm)) {
+ s390_lr (code, s390_r12, ins->sreg1);
+ if (s390_is_imm16 (ins->inst_imm)) {
s390_ahi (code, s390_r12, ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
- s390_j (code, 4);
- s390_word (code, ins->inst_imm);
+ s390_j (code, 6);
+ s390_long (code, ins->inst_imm);
s390_a (code, s390_r12, 0, s390_r13, 4);
}
- s390_lr (code, s390_r1, ins->sreg1);
+ if (s390_is_imm16 (ins->backend.size)) {
+ s390x_lhi (code, s390_r1, ins->backend.size);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_long (code, ins->backend.size);
+ s390_l (code, s390_r1, 0, s390_r13, 4);
+ }
+ s390_lr (code, s390_r1, ins->backend.size);
s390_lr (code, s390_r13, s390_r1);
s390_mvcle(code, s390_r0, s390_r12, 0, 0);
s390_jo (code, -2);
- s390_lr (code, s390_r12, s390_r14);
}
}
}
- break;
case OP_ATOMIC_ADD_I4: {
s390_lr (code, s390_r1, ins->sreg2);
s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
s390_jnz (code, -4);
s390_lr (code, ins->dreg, s390_r0);
+ }
+ break;
+ case OP_S390_BKCHAIN: {
+ s390_lr (code, ins->dreg, ins->sreg1);
+ if (s390_is_imm16 (cfg->stack_offset)) {
+ s390_ahi (code, ins->dreg, cfg->stack_offset);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_word (code, cfg->stack_offset);
+ s390_a (code, ins->dreg, 0, s390_r13, 4);
+ }
+ }
+ case OP_MEMORY_BARRIER: {
}
break;
default:
last_ins = ins;
last_offset = offset;
-
- ins = ins->next;
}
cfg->code_len = code - cfg->native_code;
void
mono_arch_register_lowlevel_calls (void)
{
- mono_register_jit_icall (enter_method, "mono_enter_method", NULL, TRUE);
- mono_register_jit_icall (leave_method, "mono_leave_method", NULL, TRUE);
+ mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
}
/*========================= End of Function ========================*/
void
mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
- guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
+ guint8 *code, MonoJumpInfo *ji, MonoCodeManager *dyn_code_mp, gboolean run_cctors)
{
MonoJumpInfo *patch_info;
target = S390_RELATIVE(target, ip);
ip += 2;
}
- s390_patch (ip, target);
+ s390_patch (ip, (guint32) target);
+ }
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_load_volatile_registers */
+/* */
+/* Function - Create the instruction sequence for loading the */
+/* parameter registers for use with the 'tail' op. */
+/* */
+/* The register loading operations performed here */
+/* are the mirror of the store operations performed */
+/* in mono_arch_emit_prolog and need to be kept in */
+/* synchronization with it. */
+/* */
+/*------------------------------------------------------------------*/
+
+guint8 *
+emit_load_volatile_registers (guint8 * code, MonoCompile *cfg)
+{
+ MonoMethod *method = cfg->method;
+ MonoMethodSignature *sig;
+ MonoInst *inst;
+ int pos, i;
+ CallInfo *cinfo;
+
+ sig = mono_method_signature (method);
+ pos = 0;
+
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+
+ if (cinfo->struct_ret) {
+ ArgInfo *ainfo = &cinfo->ret;
+ inst = cfg->vret_addr;
+ s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ }
+
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ ArgInfo *ainfo = cinfo->args + i;
+ inst = cfg->args [pos];
+
+ if (inst->opcode == OP_REGVAR) {
+ if (ainfo->regtype == RegTypeGeneral)
+ s390_lr (code, ainfo->reg, inst->dreg);
+ else if (ainfo->regtype == RegTypeFP) {
+ if (inst->dreg != ainfo->reg) {
+ if (ainfo->size == 4) {
+ s390_ldebr (code, ainfo->reg, inst->dreg);
+ } else {
+ s390_ldr (code, ainfo->reg, inst->dreg);
+ }
+ }
+ }
+ else if (ainfo->regtype == RegTypeBase) {
+ } else
+ g_assert_not_reached ();
+ } else {
+ if (ainfo->regtype == RegTypeGeneral) {
+ if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
+ g_assert_not_reached();
+ switch (ainfo->size) {
+ case 1:
+ s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ break;
+ case 2:
+ s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ break;
+ case 8:
+ s390_lm (code, ainfo->reg, ainfo->reg + 1,
+ inst->inst_basereg, inst->inst_offset);
+ break;
+ default:
+ s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ }
+ } else if (ainfo->regtype == RegTypeBase) {
+ } else if (ainfo->regtype == RegTypeFP) {
+ if (ainfo->size == 8)
+ s390_ld (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ else if (ainfo->size == 4)
+ s390_le (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ else
+ g_assert_not_reached ();
+ } else if (ainfo->regtype == RegTypeStructByVal) {
+ if (ainfo->reg != STK_BASE) {
+ switch (ainfo->size) {
+ case 1:
+ s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ break;
+ case 2:
+ s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ break;
+ case 4:
+ s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ break;
+ case 8:
+ s390_lm (code, ainfo->reg, ainfo->reg+1, inst->inst_basereg, inst->inst_offset);
+ break;
+ }
+ }
+ } else if (ainfo->regtype == RegTypeStructByAddr) {
+ if (ainfo->reg != STK_BASE) {
+ s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ }
+ } else
+ g_assert_not_reached ();
+ }
+ pos++;
}
+
+ return code;
}
/*========================= End of Function ========================*/
int alloc_size, pos, max_offset, i;
guint8 *code;
CallInfo *cinfo;
- size_data sz;
int tracing = 0;
int lmfOffset; \
if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
tracing = 1;
- cfg->code_size = 512;
+ cfg->code_size = 1024;
cfg->native_code = code = g_malloc (cfg->code_size);
- if (cfg->flags & MONO_CFG_HAS_TAIL) {
- s390_stm (code, s390_r2, s390_r14, STK_BASE, S390_PARM_SAVE_OFFSET);
- for (pos = 0; pos < 4; pos++)
- s390_std (code, pos, 0, STK_BASE,
- S390_FLOAT_SAVE_OFFSET+pos*sizeof(double));
- } else {
- s390_stm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
- }
+ s390_stm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
+
+ if (cfg->arch.bkchain_reg != -1)
+ s390_lr (code, cfg->arch.bkchain_reg, STK_BASE);
if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
cfg->used_int_regs |= 1 << 11;
if (cfg->prof_options & MONO_PROFILE_COVERAGE)
max_offset += 6;
- while (ins) {
- max_offset += ((guint8 *)ins_spec [ins->opcode])[MONO_INST_LEN];
- ins = ins->next;
- }
+ MONO_BB_FOR_EACH_INS (bb, ins)
+ max_offset += ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
}
/* load arguments allocated to register from the stack */
sig = mono_method_signature (method);
pos = 0;
- cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
+ cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
if (cinfo->struct_ret) {
ArgInfo *ainfo = &cinfo->ret;
- inst = cfg->ret;
- inst->unused = ainfo->vtsize;
+ inst = cfg->vret_addr;
+ inst->backend.size = ainfo->vtsize;
s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
}
for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
ArgInfo *ainfo = cinfo->args + i;
- inst = cfg->varinfo [pos];
+ inst = cfg->args [pos];
+ if (inst->opcode == OP_VTARG_ADDR)
+ inst = inst->inst_left;
+
if (inst->opcode == OP_REGVAR) {
if (ainfo->regtype == RegTypeGeneral)
s390_lr (code, inst->dreg, ainfo->reg);
break;
}
} else if (ainfo->regtype == RegTypeStructByAddr) {
- if (ainfo->reg == STK_BASE) {
- s390_lr (code, s390_r13, ainfo->reg);
- s390_ahi (code, s390_r13, alloc_size);
- s390_l (code, s390_r13, 0, s390_r13,
- ainfo->offparm + S390_MINIMAL_STACK_SIZE);
- code = emit_memcpy (code, abs(ainfo->vtsize),
- inst->inst_basereg,
- inst->inst_offset, s390_r13, 0);
- } else {
- code = emit_memcpy (code, abs(ainfo->vtsize),
- inst->inst_basereg,
- inst->inst_offset,
- ainfo->reg, 0);
- }
+ if (ainfo->reg != STK_BASE)
+ s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
} else
g_assert_not_reached ();
}
}
if (method->save_lmf) {
+ /*---------------------------------------------------------------*/
+ /* we build the MonoLMF structure on the stack - see mini-s390.h */
+ /*---------------------------------------------------------------*/
+ lmfOffset = alloc_size - sizeof(MonoLMF);
+
+ s390_lr (code, s390_r13, cfg->frame_reg);
+ if (s390_is_uimm16(lmfOffset))
+ s390_ahi (code, s390_r13, lmfOffset);
+ else {
+ s390_basr (code, s390_r14, 0);
+ s390_j (code, 4);
+ s390_word (code, lmfOffset);
+ s390_a (code, s390_r13, 0, s390_r14, 4);
+ }
+
/*---------------------------------------------------------------*/
/* Preserve the parameter registers while we fix up the lmf */
/*---------------------------------------------------------------*/
- s390_lr (code, s390_r7, s390_r2);
- s390_lr (code, s390_r8, s390_r3);
- s390_lr (code, s390_r9, s390_r4);
- s390_lr (code, s390_r10, s390_r5);
+ s390_stm (code, s390_r2, s390_r6, s390_r13,
+ G_STRUCT_OFFSET(MonoLMF, pregs[0]));
- mono_add_patch_info (cfg, code - cfg->native_code,
- MONO_PATCH_INFO_INTERNAL_METHOD,
- (gpointer)"mono_get_lmf_addr");
/*---------------------------------------------------------------*/
/* On return from this call r2 have the address of the &lmf */
/*---------------------------------------------------------------*/
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ MONO_PATCH_INFO_INTERNAL_METHOD,
+ (gpointer)"mono_get_lmf_addr");
s390_brasl (code, s390_r14, 0);
- /*---------------------------------------------------------------*/
- /* we build the MonoLMF structure on the stack - see mini-s390.h */
- /*---------------------------------------------------------------*/
- lmfOffset = alloc_size - sizeof(MonoLMF);
-
- s390_lr (code, s390_r13, cfg->frame_reg);
- s390_ahi (code, s390_r13, lmfOffset);
-
/*---------------------------------------------------------------*/
/* Set lmf.lmf_addr = jit_tls->lmf */
/*---------------------------------------------------------------*/
/*---------------------------------------------------------------*/
/* save the current IP */
/*---------------------------------------------------------------*/
- s390_lr (code, s390_r1, cfg->frame_reg);
- s390_st (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
+ s390_st (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
s390_basr (code, s390_r1, 0);
s390_la (code, s390_r1, 0, s390_r1, 0);
s390_st (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, eip));
/*---------------------------------------------------------------*/
/* Restore the parameter registers now that we've set up the lmf */
/*---------------------------------------------------------------*/
- s390_lr (code, s390_r2, s390_r7);
- s390_lr (code, s390_r3, s390_r8);
- s390_lr (code, s390_r4, s390_r9);
- s390_lr (code, s390_r5, s390_r10);
+ s390_lm (code, s390_r2, s390_r6, s390_r13,
+ G_STRUCT_OFFSET(MonoLMF, pregs[0]));
}
if (tracing)
- code = mono_arch_instrument_prolog (cfg, enter_method, code, TRUE);
+ code = mono_arch_instrument_prolog(cfg, enter_method, code, TRUE);
cfg->code_len = code - cfg->native_code;
- g_free (cinfo);
+
+ g_assert (cfg->code_len < cfg->code_size);
return code;
}
void
mono_arch_emit_epilog (MonoCompile *cfg)
{
- MonoJumpInfo *patch_info;
MonoMethod *method = cfg->method;
int tracing = 0;
guint8 *code;
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
if (cfg->flags & MONO_CFG_HAS_ALLOCA)
- s390_l (code, STK_BASE, 0, STK_BASE, 0);
+ s390_l (code, STK_BASE, 0, STK_BASE, 0);
else
- code = backUpStackPtr(cfg, code);
+ code = backUpStackPtr(cfg, code, STK_BASE);
s390_lm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
s390_br (code, s390_r14);
iExc;
guint32 code_size;
MonoClass *exc_classes [MAX_EXC];
- guint8 *exc_throw_start [MAX_EXC],
- *exc_throw_end [MAX_EXC];
+ guint8 *exc_throw_start [MAX_EXC];
for (patch_info = cfg->patch_info;
patch_info;
/*-----------------------------------------------------*/
/* Patch the branch in epilog to come here */
/*-----------------------------------------------------*/
- s390_patch (ip + 2, S390_RELATIVE(code,ip));
+ s390_patch (ip + 2, (guint32) (S390_RELATIVE(code,ip)));
exc_class = mono_class_from_name (mono_defaults.corlib,
"System",
break;
if (iExc < nThrows) {
- s390_jcl (code, S390_CC_UN, exc_throw_start [iExc]);
+ s390_jcl (code, S390_CC_UN, (guint32) exc_throw_start [iExc]);
patch_info->type = MONO_PATCH_INFO_NONE;
} else {
/*---------------------------------------------*/
/* Load return address & parameter register */
/*---------------------------------------------*/
- s390_larl (code, s390_r14, S390_RELATIVE((patch_info->ip.i +
+ s390_larl (code, s390_r14, (gsize)S390_RELATIVE((patch_info->ip.i +
cfg->native_code + 8), code));
s390_l (code, s390_r2, 0, s390_r13, 4);
/*---------------------------------------------*/
void
mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
{
-#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
- pthread_t self = pthread_self();
- pthread_attr_t attr;
- void *stAddr = NULL;
- size_t stSize = 0;
- struct sigaltstack sa;
-#endif
if (!tls_offset_inited) {
tls_offset_inited = TRUE;
#endif
}
-#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
-
- /*----------------------------------------------------------*/
- /* Determine stack boundaries */
- /*----------------------------------------------------------*/
- if (!mono_running_on_valgrind ()) {
-#ifdef HAVE_PTHREAD_GETATTR_NP
- pthread_getattr_np( self, &attr );
-#elif HAVE_PTHREAD_ATTR_GET_NP
- pthread_attr_get_np( self, &attr );
-#endif
- pthread_attr_getstack( &attr, &stAddr, &stSize );
+ if (!lmf_addr_key_inited) {
+ lmf_addr_key_inited = TRUE;
+ pthread_key_create (&lmf_addr_key, NULL);
}
-
-
- /*----------------------------------------------------------*/
- /* Setup an alternate signal stack */
- /*----------------------------------------------------------*/
- tls->stack_size = stSize;
- tls->signal_stack = g_malloc (SIGNAL_STACK_SIZE);
- tls->signal_stack_size = SIGNAL_STACK_SIZE;
-
- sa.ss_sp = tls->signal_stack;
- sa.ss_size = SIGNAL_STACK_SIZE;
- sa.ss_flags = SS_ONSTACK;
- sigaltstack (&sa, NULL);
-#endif
+ pthread_setspecific (lmf_addr_key, &tls->lmf);
}
void
mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
{
-#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
- struct sigaltstack sa;
+}
- sa.ss_sp = tls->signal_stack;
- sa.ss_size = SIGNAL_STACK_SIZE;
- sa.ss_flags = SS_DISABLE;
- sigaltstack (&sa, NULL);
+/*========================= End of Function ========================*/
- if (tls->signal_stack)
- g_free (tls->signal_stack);
-#endif
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_inst_for_method */
+/* */
+/*------------------------------------------------------------------*/
+MonoInst*
+mono_arch_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
+{
+ return NULL;
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_this_vret_args */
+/* Name - mono_arch_decompose_opts */
/* */
-/* Function - */
-/* */
/*------------------------------------------------------------------*/
void
-mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
+mono_arch_decompose_opts (MonoCompile *cfg, MonoInst *ins)
{
- int this_dreg = s390_r2;
-
- if (vt_reg != -1)
- this_dreg = s390_r3;
-
- /* add the this argument */
- if (this_reg != -1) {
- MonoInst *this;
- MONO_INST_NEW (cfg, this, OP_SETREG);
- this->type = this_type;
- this->sreg1 = this_reg;
- this->dreg = this_dreg;
- mono_bblock_add_inst (cfg->cbb, this);
- }
-
- if (vt_reg != -1) {
- MonoInst *vtarg;
- MONO_INST_NEW (cfg, vtarg, OP_SETREG);
- vtarg->type = STACK_MP;
- vtarg->sreg1 = vt_reg;
- vtarg->dreg = s390_r2;
- mono_bblock_add_inst (cfg->cbb, vtarg);
+ switch (ins->opcode) {
+ case OP_ISUB_OVF:
+ ins->opcode = OP_S390_ISUB_OVF;
+ break;
+ case OP_ISUB_OVF_UN:
+ ins->opcode = OP_S390_ISUB_OVF_UN;
+ break;
+ case OP_IADD_OVF:
+ ins->opcode = OP_S390_IADD_OVF;
+ break;
+ case OP_IADD_OVF_UN:
+ ins->opcode = OP_S390_IADD_OVF_UN;
+ break;
+ default:
+ break;
}
}
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_get_inst_for_method */
+/* Name - mono_arch_decompose_long_opts */
/* */
-/* Function - Check for opcodes we can handle directly in */
-/* hardware. */
-/* */
/*------------------------------------------------------------------*/
-MonoInst*
-mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
- MonoMethodSignature *fsig, MonoInst **args)
+void
+mono_arch_decompose_long_opts (MonoCompile *cfg, MonoInst *ins)
{
- MonoInst *ins = NULL;
-
- if (cmethod->klass == mono_defaults.math_class) {
- if (strcmp (cmethod->name, "Sqrt") == 0) {
- MONO_INST_NEW (cfg, ins, OP_SQRT);
- ins->inst_i0 = args [0];
- }
- } else if(cmethod->klass->image == mono_defaults.corlib &&
- (strcmp (cmethod->klass->name_space, "System.Threading") == 0) &&
- (strcmp (cmethod->klass->name, "Interlocked") == 0)) {
-
- if (strcmp (cmethod->name, "Increment") == 0 &&
- fsig->params [0]->type == MONO_TYPE_I4) {
- MonoInst *ins_iconst;
-
- MONO_INST_NEW (cfg, ins, OP_ATOMIC_ADD_NEW_I4);
- MONO_INST_NEW (cfg, ins_iconst, OP_ICONST);
- ins_iconst->inst_c0 = 1;
-
- ins->inst_i0 = args [0];
- ins->inst_i1 = ins_iconst;
- } else if (strcmp (cmethod->name, "Decrement") == 0 &&
- fsig->params [0]->type == MONO_TYPE_I4) {
- MonoInst *ins_iconst;
-
- MONO_INST_NEW (cfg, ins, OP_ATOMIC_ADD_NEW_I4);
- MONO_INST_NEW (cfg, ins_iconst, OP_ICONST);
- ins_iconst->inst_c0 = -1;
-
- ins->inst_i0 = args [0];
- ins->inst_i1 = ins_iconst;
- } else if (strcmp (cmethod->name, "Exchange") == 0 &&
- fsig->params [0]->type == MONO_TYPE_I4) {
- MONO_INST_NEW (cfg, ins, OP_ATOMIC_EXCHANGE_I4);
-
- ins->inst_i0 = args [0];
- ins->inst_i1 = args [1];
- } else if (strcmp (cmethod->name, "Add") == 0 &&
- fsig->params [0]->type == MONO_TYPE_I4) {
- MONO_INST_NEW (cfg, ins, OP_ATOMIC_ADD_I4);
-
- ins->inst_i0 = args [0];
- ins->inst_i1 = args [1];
+ // The generic code seems to work for OP_LSUB fine on s390, why is a different
+ // implementation needed ? gcc also seems to use the different implementation.
+ // FIXME: What about the other OP_L opcodes below ?
+
+ switch (ins->opcode) {
+ case OP_LADD_OVF:
+ case OP_LADD_OVF_UN:
+ case OP_LSUB_OVF:
+ case OP_LSUB_OVF_UN: {
+ int opcode = 0;
+
+ switch (ins->opcode) {
+ case OP_LADD:
+ opcode = OP_S390_LADD;
+ break;
+ case OP_LADD_OVF:
+ opcode = OP_S390_LADD_OVF;
+ break;
+ case OP_LADD_OVF_UN:
+ opcode = OP_S390_LADD_OVF_UN;
+ break;
+ case OP_LSUB:
+ opcode = OP_S390_LSUB;
+ break;
+ case OP_LSUB_OVF:
+ opcode = OP_S390_LSUB_OVF;
+ break;
+ case OP_LSUB_OVF_UN:
+ opcode = OP_S390_LSUB_OVF_UN;
+ break;
+ default:
+ g_assert_not_reached ();
}
+
+ /* These hard regs make ssa crazy */
+ cfg->disable_ssa = TRUE;
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r0, ins->sreg1 + 1);
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r1, ins->sreg1 + 2);
+ MONO_EMIT_NEW_BIALU (cfg, opcode, ins->dreg, ins->sreg2 + 1, ins->sreg2 + 2);
+ NULLIFY_INS (ins);
+ break;
+ }
+ case OP_LADD_IMM: {
+ int dreg = mono_alloc_dreg (cfg, STACK_I8);
+ MONO_EMIT_NEW_I8CONST (cfg, dreg, ins->inst_l);
+ MONO_EMIT_NEW_BIALU (cfg, OP_LADD, ins->dreg, ins->sreg1, dreg);
+ NULLIFY_INS (ins);
+ break;
+ }
+ case OP_LSUB_IMM: {
+ int dreg = mono_alloc_dreg (cfg, STACK_I8);
+ MONO_EMIT_NEW_I8CONST (cfg, dreg, ins->inst_l);
+ MONO_EMIT_NEW_BIALU (cfg, OP_LSUB, ins->dreg, ins->sreg1, dreg);
+ NULLIFY_INS (ins);
+ break;
+ }
+ case OP_LNEG: {
+ MONO_EMIT_NEW_BIALU (cfg, OP_S390_LNEG, ins->dreg, ins->sreg1 + 1, ins->sreg1 + 2);
+ NULLIFY_INS (ins);
+ break;
+ }
+ case OP_ISUB_OVF:
+ ins->opcode = OP_S390_ISUB_OVF;
+ break;
+ case OP_ISUB_OVF_UN:
+ ins->opcode = OP_S390_ISUB_OVF_UN;
+ break;
+ default:
+ break;
}
- return ins;
}
/*========================= End of Function ========================*/
switch (tree->opcode) {
case OP_S390_LOADARG:
+ case OP_S390_ARGREG:
case OP_S390_ARGPTR:
- printf ("[0x%x(%s)]", tree->inst_offset,
+ printf ("[0x%lx(%s)]", tree->inst_offset,
mono_arch_regname (tree->inst_basereg));
done = 1;
break;
case OP_S390_STKARG:
- printf ("[0x%x(previous_frame)]",
+ printf ("[0x%lx(previous_frame)]",
tree->inst_offset);
done = 1;
break;
case OP_S390_MOVE:
- printf ("[0x%x(%d,%s),0x%x(%s)]",
- tree->inst_offset, tree->unused,
- tree->dreg, tree->inst_imm,
- tree->sreg1);
+ printf ("[0x%lx(%d,%s),0x%lx(%s)]",
+ tree->inst_offset, tree->backend.size,
+ mono_arch_regname(tree->dreg), tree->inst_imm,
+ mono_arch_regname(tree->sreg1));
done = 1;
break;
case OP_S390_SETF4RET:
- printf ("[f%d,f%d]",
- mono_arch_regname (tree->dreg),
- mono_arch_regname (tree->sreg1));
+ printf ("[%s,%s]",
+ mono_arch_fregname (tree->dreg),
+ mono_arch_fregname (tree->sreg1));
done = 1;
break;
case OP_TLS_GET:
- printf ("[0x%x(0x%x,%s)]", tree->inst_offset,
+ printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
tree->inst_imm,
mono_arch_regname (tree->sreg1));
done = 1;
+ break;
+ case OP_S390_BKCHAIN:
+ printf ("[previous_frame(%s)]",
+ mono_arch_regname (tree->sreg1));
+ done = 1;
+ break;
default:
done = 0;
}
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_get_thread_intrinsic */
+/* Name - mono_arch_flush_register_windows */
/* */
/* Function - */
/* */
/* */
/*------------------------------------------------------------------*/
-MonoInst *
-mono_arch_get_thread_intrinsic (MonoCompile* cfg)
+void
+mono_arch_flush_register_windows (void)
{
- MonoInst *ins;
-
- if (thread_tls_offset == -1)
- return NULL;
-
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->inst_offset = thread_tls_offset;
- return (ins);
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_flush_register_windows */
+/* Name - mono_arch_get_lmf_addr */
/* */
/* Function - */
/* */
/* */
/*------------------------------------------------------------------*/
-void
-mono_arch_flush_register_windows (void)
+gpointer
+mono_arch_get_lmf_addr (void)
+{
+ return pthread_getspecific (lmf_addr_key);
+}
+
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_patch_offset */
+/* */
+/* Function - Dummy entry point until s390x supports aot. */
+/* */
+/* Returns - Offset for patch. */
+/* */
+/*------------------------------------------------------------------*/
+
+guint32
+mono_arch_get_patch_offset (guint8 *code)
+{
+ return 0;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_context_get_int_reg. */
+/* */
+/* Function - Dummy entry point until s390x supports aot. */
+/* */
+/* Returns - Pointer to intreg. */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
{
+ /* FIXME: implement */
+ g_assert_not_reached ();
+ return NULL;
}
/*========================= End of Function ========================*/
projects / mono.git / blobdiff