if (ins->inst_i0->inst_c0) { \
int displace; \
displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
+ if (s390_is_uimm16(displace)) { \
s390_brc (code, cond, displace); \
} else { \
s390_jcl (code, cond, displace); \
int displace; \
displace = ((cfg->native_code + \
ins->inst_true_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
+ if (s390_is_uimm16(displace)) { \
s390_brc (code, cond, displace); \
} else { \
s390_jcl (code, cond, displace); \
if (ins->inst_i0->inst_c0) { \
int displace; \
displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
+ if (s390_is_uimm16(displace)) { \
s390_brc (code, S390_CC_UN, displace); \
} else { \
s390_jcl (code, S390_CC_UN, displace); \
int displace; \
displace = ((cfg->native_code + \
ins->inst_target_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
+ if (s390_is_uimm16(displace)) { \
s390_brc (code, S390_CC_UN, displace); \
} else { \
s390_jcl (code, S390_CC_UN, displace); \
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; \
#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))
guint stack_size,
local_size,
code_size,
- parm_size,
- offset,
- offStruct,
retStruct;
} size_data;
SAVE_STRUCT,
SAVE_ONE,
SAVE_TWO,
- SAVE_R4,
- SAVE_R8
+ SAVE_FP
};
+typedef struct {
+ int born_in;
+ int killed_in;
+ int last_use;
+ int prev_use;
+} RegTrack;
+
typedef struct InstList InstList;
struct InstList {
typedef struct {
gint32 offset; /* offset from caller's stack */
- gint32 offparm; /* offset from callee's stack */
+ gint32 offparm; /* offset on callee's stack */
guint16 vtsize; /* in param area */
guint8 reg;
guint8 regtype; /* See RegType* */
/* P r o t o t y p e s */
/*------------------------------------------------------------------*/
-static guint8 * emit_memcpy (guint8 *, int, int, int, int, int);
+static guint32 * emit_memcpy (guint8 *, int, int, int, int, int);
static void indent (int);
-static guint8 * backUpStackPtr(MonoCompile *, guint8 *, gint);
+static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
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 guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
-static void mono_arch_break(void);
-gpointer mono_arch_get_lmf_addr (void);
-static guint8 * emit_load_volatile_registers(guint8 *, MonoCompile *);
+static unsigned char * mono_emit_stack_alloc (guchar *, MonoInst *);
/*========================= End of Prototypes ======================*/
static int indent_level = 0;
-static const char*const * ins_spec = s390_cpu_desc;
+static const char*const * ins_spec = s390;
static gboolean tls_offset_inited = FALSE;
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];
- else
- return "unknown";
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_fregname */
-/* */
-/* Function - Returns the name of the register specified by */
-/* the input parameter. */
-/* */
-/*------------------------------------------------------------------*/
-
-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 (reg >= 0 && reg < 16)
return rnames [reg];
- else
- return "unknown";
+ return "unknown";
}
/*========================= End of Function ========================*/
/* */
/*------------------------------------------------------------------*/
-static guint8 *
+static guint32*
emit_memcpy (guint8 *code, int size, int dreg, int doffset, int sreg, int soffset)
{
switch (size) {
/*------------------------------------------------------------------*/
static inline guint8 *
-backUpStackPtr(MonoCompile *cfg, guint8 *code, gint framePtr)
+backUpStackPtr(MonoCompile *cfg, guint8 *code)
{
int stackSize = cfg->stack_usage;
if (s390_is_uimm16 (cfg->stack_usage)) {
- s390_ahi (code, framePtr, cfg->stack_usage);
+ s390_ahi (code, STK_BASE, cfg->stack_usage);
} else {
while (stackSize > 32767) {
- s390_ahi (code, framePtr, 32767);
+ s390_ahi (code, STK_BASE, 32767);
stackSize -= 32767;
}
- s390_ahi (code, framePtr, stackSize);
+ s390_ahi (code, STK_BASE, stackSize);
}
return (code);
}
printf ("[UINTPTR:%p], ", *((int **) curParm));
break;
case MONO_TYPE_BOOLEAN :
- printf ("[BOOL:%d], ", *((int *) curParm));
+ printf ("[BOOL:%p], ", *((int *) curParm));
break;
case MONO_TYPE_CHAR :
- printf ("[CHAR:%c], ", *((int *) curParm));
+ printf ("[CHAR:%p], ", *((int *) curParm));
break;
case MONO_TYPE_I1 :
printf ("[INT1:%d], ", *((int *) curParm));
if ((obj) && (obj->vtable)) {
printf("[CLASS/OBJ:");
class = obj->vtable->klass;
- 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);
+ 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:%g], ", *((double *) (curParm)));
+ printf("[FLOAT4:%f], ", *((float *) (curParm)));
break;
case MONO_TYPE_R8 :
printf("[FLOAT8:%g], ", *((double *) (curParm)));
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 */
int i, oParm = 0, iParm = 0;
MonoClass *class;
MonoObject *obj;
+ MonoJitArgumentInfo *arg_info;
MonoMethodSignature *sig;
char *fname;
guint32 ip;
size_data sz;
void *curParm;
-
-lc++;
-if (lc > 5000000) {
-fseek(stdout, 0L, SEEK_SET);
-lc = 0;
-}
fname = mono_method_full_name (method, TRUE);
indent (1);
printf ("ENTER: %s(", fname);
g_free (fname);
ip = (*(guint32 *) (sp+S390_RET_ADDR_OFFSET)) & 0x7fffffff;
- printf (") ip: %p sp: %p - ", (gpointer) ip, sp);
+ printf (") ip: %p sp: %p - ", ip, sp);
if (rParm == NULL)
return;
cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
if (cinfo->struct_ret) {
- printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
+ printf ("[VALUERET:%p], ", 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);
-// }
-printf("this:%p, ",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);
+ }
} 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;
- f = va_arg (ap, double);
- printf ("[FLOAT4:%g]\n", f);
+ double f = va_arg (ap, double);
+ printf ("[FLOAT4:%f]\n", (float) f);
break;
}
case MONO_TYPE_R8: {
(info->num_fields == 1) &&
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
double f = va_arg (ap, double);
- printf("[FLOAT4:%g]\n", (double) f);
+ printf("[FLOAT4:%f]\n", (float) f);
break;
}
}
size = mono_type_size (type, &align);
- 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");
- }
- }
+ printf ("[");
+ for (j = 0; p && j < size; j++)
+ printf ("%02x,", p [j]);
+ printf ("]");
+ }
break;
}
case MONO_TYPE_TYPEDBYREF: {
guint8 *p = va_arg (ap, gpointer);
int j, size, align;
size = mono_type_size (type, &align);
- 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");
- }
+ printf ("[");
+ for (j = 0; p && j < size; j++)
+ printf ("%02x,", p [j]);
+ printf ("]");
}
break;
default:
}
ip = ((gint32) __builtin_return_address (0)) & 0x7fffffff;
- printf (" ip: %p\n", (gpointer) ip);
+ printf (" ip: %p\n", ip);
}
/*========================= End of Function ========================*/
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 */
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;
ainfo->reg = STK_BASE;
ainfo->regtype = RegTypeBase;
sz->stack_size += sizeof(long long);
- sz->local_size += sizeof(long long);
- sz->offStruct += sizeof(long long);
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;
- sz->parm_size += sizeof(gpointer);
- sz->offStruct += sizeof(gpointer);
- } else {
- ainfo->reg = *gr;
- }
- (*gr) ++;
- ainfo->offset = sz->stack_size;
- 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;
}
}
gr = s390_r2;
nParm = 0;
cinfo->struct_ret = 0;
- 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;
/*----------------------------------------------------------*/
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:
nParm++;
continue;
}
-
simpletype = mono_type_get_underlying_type(sig->params [i])->type;
switch (simpletype) {
case MONO_TYPE_BOOLEAN:
cinfo->args[nParm].vtsize = 0;
cinfo->args[nParm].size = 0;
+ cinfo->args[nParm].offparm = sz->local_size;
switch (size) {
/*----------------------------------*/
sz->local_size += sizeof(long);
break;
default:
- add_stackParm(&gr, sz, cinfo->args+nParm, size);
+ 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);
nParm++;
}
}
cinfo->args[nParm].vtsize = 0;
cinfo->args[nParm].size = 0;
+ cinfo->args[nParm].offparm = sz->local_size;
switch (size) {
/*----------------------------------*/
sz->local_size += sizeof(long);
break;
default:
- add_stackParm(&gr, sz, cinfo->args+nParm, size);
+ 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);
nParm++;
}
}
}
}
- /*----------------------------------------------------------*/
- /* 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);
- }
- }
-
- sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
- sz->offset;
- sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
-
+ cinfo->stack_usage = S390_ALIGN(sz->stack_size+sz->local_size,
+ S390_STACK_ALIGNMENT);
return (cinfo);
}
header = mono_method_get_header (cfg->method);
- cfg->flags |= MONO_CFG_HAS_SPILLUP;
-
/*---------------------------------------------------------*/
/* We use the frame register also for any method that has */
/* filter clauses. This way, when the handlers are called, */
if (inst->opcode != OP_REGVAR) {
switch (cinfo->args[iParm].regtype) {
case RegTypeStructByAddr :
- if (cinfo->args[iParm].reg == STK_BASE) {
inst->opcode = OP_S390_LOADARG;
inst->inst_basereg = frame_reg;
size = abs(cinfo->args[iParm].vtsize);
- offset = S390_ALIGN(offset, sizeof(long));
+ offset = S390_ALIGN(offset, size);
inst->inst_offset = offset;
- inst->unused = cinfo->args[iParm].offset;
- } else {
- inst->opcode = OP_S390_ARGREG;
- inst->inst_basereg = frame_reg;
- size = sizeof(gpointer);
- offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
- inst->unused = cinfo->args[iParm].offset;
- }
break;
case RegTypeStructByVal :
inst->opcode = OP_S390_ARGPTR;
size = cinfo->args[iParm].size;
offset = S390_ALIGN(offset, size);
inst->inst_offset = offset;
- inst->unused = cinfo->args[iParm].offset;
break;
default :
if (cinfo->args[iParm].reg != STK_BASE) {
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
offset += size;
- DEBUG (g_print("allocating local %d to %ld\n", iVar, inst->inst_offset));
+ DEBUG (g_print("allocating local %d to %d\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->method)) {
+ if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg))
offset += S390_TRACE_STACK_SIZE;
- }
/*------------------------------------------------------*/
/* Reserve space to save LMF and caller saved registers */
/* 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 *in;
- MonoCallArgParm *arg;
+ MonoInst *arg, *in;
MonoMethodSignature *sig;
int i, n, lParamArea;
CallInfo *cinfo;
ArgInfo *ainfo;
size_data sz;
- int stackSize;
sig = call->signature;
n = sig->param_count + sig->hasthis;
cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
- stackSize = sz.stack_size + sz.local_size + sz.parm_size + sz.offset;
- call->stack_usage = MAX(stackSize, call->stack_usage);
- lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-sz.parm_size), 0);
- cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
+ 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);
cfg->flags |= MONO_CFG_HAS_CALLS;
if (cinfo->struct_ret)
MONO_INST_NEW (cfg, sigArg, OP_ICONST);
sigArg->inst_p0 = call->signature;
- MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
- arg->ins.inst_left = sigArg;
- arg->ins.inst_right = (MonoInst *) call;
- arg->size = ainfo->size;
- arg->offset = cinfo->sigCookie.offset;
- call->used_iregs |= 1 << ainfo->reg;
- arg->ins.next = call->out_args;
- call->out_args = (MonoInst *) arg;
+ MONO_INST_NEW (cfg, arg, OP_OUTARG);
+ arg->inst_imm = cinfo->sigCookie.offset;
+ arg->inst_left = sigArg;
+
+ arg->next = call->out_args;
+ call->out_args = arg;
}
if (is_virtual && i == 0) {
in = call->args [i];
call->used_iregs |= 1 << ainfo->reg;
} else {
- MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
- in = call->args [i];
- arg->ins.cil_code = in->cil_code;
- arg->ins.inst_left = in;
- arg->ins.type = in->type;
+ 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->ins.next = call->out_args;
- call->out_args = (MonoInst *) arg;
- arg->ins.inst_right = (MonoInst *) call;
+ arg->next = call->out_args;
+ call->out_args = arg;
if (ainfo->regtype == RegTypeGeneral) {
- arg->ins.unused = ainfo->reg;
+ arg->unused = ainfo->reg;
call->used_iregs |= 1 << ainfo->reg;
- if (arg->ins.type == STACK_I8)
+ if (arg->type == STACK_I8)
call->used_iregs |= 1 << (ainfo->reg + 1);
} else if (ainfo->regtype == RegTypeStructByAddr) {
call->used_iregs |= 1 << ainfo->reg;
- arg->ins.sreg1 = ainfo->reg;
- arg->ins.opcode = OP_OUTARG_VT;
- arg->size = -ainfo->vtsize;
- arg->offset = ainfo->offset;
- arg->offPrm = ainfo->offparm + sz.offStruct;
+ 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) {
call->used_iregs |= 1 << ainfo->reg;
}
}
- arg->ins.sreg1 = ainfo->reg;
- arg->ins.opcode = OP_OUTARG_VT;
- arg->size = ainfo->size;
- arg->offset = ainfo->offset;
- arg->offPrm = ainfo->offparm + sz.offStruct;
+ 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->ins.opcode = OP_OUTARG_MEMBASE;
- arg->ins.sreg1 = ainfo->reg;
- arg->size = ainfo->size;
- arg->offset = ainfo->offset;
- call->used_iregs |= 1 << ainfo->reg;
+ 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->ins.unused = ainfo->reg;
+ arg->unused = ainfo->reg;
call->used_fregs |= 1 << ainfo->reg;
- if (ainfo->size == 4)
- arg->ins.opcode = OP_OUTARG_R4;
+ 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->ins.opcode = OP_OUTARG_R8;
+ arg->opcode = OP_OUTARG_R8;
} else {
g_assert_not_reached ();
}
mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
gboolean enable_arguments)
{
- guchar *code = p;
+ guchar *code = p;
int parmOffset,
- fpOffset,
- baseReg;
+ fpOffset;
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, 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_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_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, baseReg, parmOffset);
+ s390_la (code, s390_r3, 0, STK_BASE, 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, 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);
+ 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);
return code;
}
save_mode = SAVE_TWO;
break;
case MONO_TYPE_R4:
- save_mode = SAVE_R4;
- break;
case MONO_TYPE_R8:
- save_mode = SAVE_R8;
+ save_mode = SAVE_FP;
break;
case MONO_TYPE_VALUETYPE:
if (mono_method_signature (method)->ret->data.klass->enumtype) {
s390_lr (code, s390_r3, s390_r2);
}
break;
- case SAVE_R4:
+ case SAVE_FP:
s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
if (enable_arguments) {
- s390_ldebr (code, s390_f0, s390_f0);
+ /* FIXME: what reg? */
+ s390_ldr (code, s390_f2, s390_f0);
+ s390_lm (code, s390_r3, s390_r4, cfg->frame_reg, saveOffset);
}
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_R4:
- case SAVE_R8:
+ case SAVE_FP:
s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
break;
case SAVE_STRUCT:
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;
}
/*========================= 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;
+ }
+ 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;
+}
+
+/*========================= 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)
+{
+ 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 */
+/* */
+/* Function - Allocate a general register. */
+/* */
+/*------------------------------------------------------------------*/
+
+static int
+alloc_int_reg (MonoCompile *cfg, InstList *curinst, MonoInst *ins, int sym_reg, guint32 allow_mask)
+{
+ 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);
+ }
+ 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. */
void
mono_arch_local_regalloc (MonoCompile *cfg, MonoBasicBlock *bb)
{
- mono_local_regalloc(cfg, 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;
+ }
+
+ 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));
+ }
+ }
+ }
+ tmp = tmp->next;
+ }
}
/*========================= 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_ldr (code, s390_f15, sreg);
- 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_cdb (code, s390_f15, 0, s390_r13, 0);
+ s390_jl (code, 10);
+ s390_sdb (code, s390_f15, 0, s390_r13, 8);
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 */
break;
case OP_STORE_MEMBASE_IMM:
case OP_STOREI4_MEMBASE_IMM: {
- if (s390_is_imm16(ins->inst_imm)) {
+ if (s390_is_uimm16(ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
if (s390_is_uimm12(ins->inst_offset))
s390_l (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
else {
- if (s390_is_imm16(ins->inst_offset)) {
+ if (s390_is_uimm16(ins->inst_offset)) {
s390_lhi (code, s390_r13, ins->inst_offset);
s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
} else {
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))))
+ ((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)))
s390_clr (code, ins->sreg1, ins->sreg2);
else
s390_cr (code, ins->sreg1, ins->sreg2);
}
break;
case OP_COMPARE_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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))))
+ ((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)))
s390_clr (code, ins->sreg1, s390_r0);
else
s390_cr (code, ins->sreg1, s390_r0);
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))))
+ ((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)))
s390_cl (code, ins->sreg1, 0, s390_r13, 4);
else
s390_c (code, ins->sreg1, 0, s390_r13, 4);
}
break;
case CEE_BREAK: {
- mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, mono_arch_break);
- s390_brasl (code, s390_r14, 0);
+ s390_break (code);
}
break;
case OP_ADDCC: {
s390_alcr (code, ins->dreg, src2);
}
break;
+ case OP_ADDCC_IMM:
case OP_ADD_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_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_lhi (code, s390_r0, ins->inst_imm);
- s390_alcr (code, ins->dreg, s390_r0);
+ s390_ahi (code, ins->dreg, ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_al (code, ins->dreg, 0, s390_r13, 4);
+ s390_a (code, ins->dreg, 0, s390_r13, 4);
}
}
}
break;
case OP_ADC_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
}
break;
- case OP_LADD: {
- short int *o[1];
- 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: {
- 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: {
- 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);
}
break;
case OP_SUBCC_IMM: {
- if (s390_is_imm16 (-ins->inst_imm)) {
+ if (s390_is_uimm16 (-ins->inst_imm)) {
if (ins->dreg != ins->sreg1) {
s390_lr (code, ins->dreg, ins->sreg1);
}
- s390_lhi (code, s390_r0, ins->inst_imm);
- s390_slr (code, ins->dreg, s390_r0);
+ s390_ahi (code, ins->dreg, -ins->inst_imm);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
}
break;
case OP_SUB_IMM: {
- if (s390_is_imm16 (-ins->inst_imm)) {
+ if (s390_is_uimm16 (-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_imm16 (-ins->inst_imm)) {
+ if (s390_is_uimm16 (-ins->inst_imm)) {
s390_lhi (code, s390_r0, ins->inst_imm);
s390_slbr (code, ins->dreg, s390_r0);
} else {
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
}
break;
- case OP_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: {
- 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: {
- 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);
}
break;
case OP_AND_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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 OP_DIV_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (ins->inst_imm)) {
s390_lhi (code, s390_r13, ins->inst_imm);
s390_lr (code, s390_r0, ins->sreg1);
} else {
}
break;
case OP_REM_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (ins->inst_imm)) {
s390_lhi (code, s390_r13, ins->inst_imm);
s390_lr (code, s390_r0, ins->sreg1);
} else {
}
break;
case OP_OR_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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 OP_XOR_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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 OP_MUL_IMM: {
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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;
break;
case OP_ICONST:
case OP_SETREGIMM: {
- if (s390_is_imm16(ins->inst_c0)) {
+ if (s390_is_uimm16(ins->inst_c0)) {
s390_lhi (code, ins->dreg, ins->inst_c0);
} else {
s390_basr (code, s390_r13, 0);
}
break;
case OP_TLS_GET: {
- if (s390_is_imm16 (ins->inst_offset)) {
+ if (s390_is_uimm16 (ins->inst_offset)) {
s390_lhi (code, s390_r13, ins->inst_offset);
} else {
s390_bras (code, s390_r13, 0);
}
break;
case OP_FCONV_TO_R4: {
- NOT_IMPLEMENTED("OP_FCONV_TO_R4");
if ((ins->next) &&
- (ins->next->opcode != OP_FMOVE) &&
- (ins->next->opcode != OP_STORER4_MEMBASE_REG))
+ (ins->next->opcode != OP_STORER4_MEMBASE_REG))
s390_ledbr (code, ins->dreg, ins->sreg1);
}
break;
case CEE_JMP: {
+ int iParm, fParm, pOffset;
if (cfg->method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
if (cfg->flags & MONO_CFG_HAS_TAIL) {
- code = emit_load_volatile_registers(code, cfg);
+ 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 = backUpStackPtr(cfg, code, STK_BASE);
+ code = backUpStackPtr(cfg, code);
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_imm16 (offset))
+ if (s390_is_uimm16 (offset))
s390_lhi (code, s390_r0, offset);
else {
s390_basr (code, s390_r13, 0);
g_assert_not_reached ();
break;
case OP_LOCALLOC: {
- /*------------------------------------------*/
- /* 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 alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area +
+ S390_STACK_ALIGNMENT - 1;
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_sr (code, STK_BASE, s390_r1);
+ s390_lcr (code, s390_r1, s390_r1);
+ s390_la (code, STK_BASE, STK_BASE, s390_r1, 0);
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 OP_FADD: {
- CHECK_SRCDST_COM_F;
- s390_adbr (code, ins->dreg, src2);
+ 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_FSUB: {
}
break;
case OP_FMUL: {
- CHECK_SRCDST_COM_F;
- s390_mdbr (code, ins->dreg, src2);
+ 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);
+ }
+ }
}
break;
case OP_FDIV: {
break;
case OP_FREM: {
CHECK_SRCDST_NCOM_F;
- s390_didbr (code, ins->dreg, src2, 5, s390_f15);
+ s390_didbr (code, ins->dreg, ins->sreg2, 5, s390_f15);
}
break;
case OP_FCOMPARE: {
ins->inst_offset, ins->sreg1, ins->inst_imm);
} else {
s390_lr (code, s390_r0, ins->dreg);
- if (s390_is_imm16 (ins->inst_offset)) {
+ if (s390_is_uimm16 (ins->inst_offset)) {
s390_ahi (code, s390_r0, ins->inst_offset);
} else {
s390_basr (code, s390_r13, 0);
}
s390_lr (code, s390_r14, s390_r12);
s390_lr (code, s390_r12, ins->sreg1);
- if (s390_is_imm16 (ins->inst_imm)) {
+ if (s390_is_uimm16 (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_word (code, ins->inst_imm);
s390_a (code, s390_r12, 0, s390_r13, 4);
}
s390_lr (code, s390_r1, ins->sreg1);
s390_lr (code, s390_r1, ins->sreg2);
s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
s390_a (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
- s390_cs (code, s390_r0, s390_r0, ins->inst_basereg, ins->inst_offset);
+ s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
s390_jnz (code, -7);
s390_lr (code, ins->dreg, s390_r1);
}
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:
void
mono_arch_register_lowlevel_calls (void)
{
- mono_register_jit_icall (mono_arch_break, "mono_arch_break", NULL, TRUE);
- mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
-}
-
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_patch_code */
-/* */
-/* Function - Process the patch data created during the */
-/* instruction build process. This resolves jumps, */
-/* calls, variables etc. */
-/* */
-/*------------------------------------------------------------------*/
-
-static void
-mono_arch_break(void) {
+ mono_register_jit_icall (enter_method, "mono_enter_method", NULL, TRUE);
+ mono_register_jit_icall (leave_method, "mono_leave_method", NULL, TRUE);
}
/*========================= End of Function ========================*/
target = S390_RELATIVE(target, ip);
ip += 2;
}
- 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;
- size_data sz;
-
- sig = mono_method_signature (method);
- pos = 0;
-
- cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
-
- if (cinfo->struct_ret) {
- ArgInfo *ainfo = &cinfo->ret;
- inst = cfg->ret;
- 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->varinfo [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++;
+ s390_patch (ip, target);
}
-
- g_free (cinfo);
-
- return code;
}
/*========================= End of Function ========================*/
cfg->code_size = 512;
cfg->native_code = code = g_malloc (cfg->code_size);
- s390_stm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
+ 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);
+ }
if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
cfg->used_int_regs |= 1 << 11;
break;
}
} else if (ainfo->regtype == RegTypeStructByAddr) {
- if (ainfo->reg != STK_BASE)
- s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ 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);
+ }
} 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_stm (code, s390_r2, s390_r6, s390_r13,
- G_STRUCT_OFFSET(MonoLMF, pregs[0]));
+ 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);
- /*---------------------------------------------------------------*/
- /* 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");
+ /*---------------------------------------------------------------*/
+ /* On return from this call r2 have the address of the &lmf */
+ /*---------------------------------------------------------------*/
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_st (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
+ s390_lr (code, s390_r1, cfg->frame_reg);
+ s390_st (code, s390_r1, 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_lm (code, s390_r2, s390_r6, s390_r13,
- G_STRUCT_OFFSET(MonoLMF, pregs[0]));
+ 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);
}
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);
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, STK_BASE);
+ code = backUpStackPtr(cfg, code);
s390_lm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
s390_br (code, s390_r14);
/*-----------------------------------------------------*/
/* Patch the branch in epilog to come here */
/*-----------------------------------------------------*/
- s390_patch (ip + 2, (guint32) (S390_RELATIVE(code,ip)));
+ s390_patch (ip + 2, S390_RELATIVE(code,ip));
exc_class = mono_class_from_name (mono_defaults.corlib,
"System",
break;
if (iExc < nThrows) {
- s390_jcl (code, S390_CC_UN, (guint32) exc_throw_start [iExc]);
+ s390_jcl (code, S390_CC_UN, exc_throw_start [iExc]);
patch_info->type = MONO_PATCH_INFO_NONE;
} else {
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
}
- if (!lmf_addr_key_inited) {
- lmf_addr_key_inited = TRUE;
- pthread_key_create (&lmf_addr_key, NULL);
+#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 );
}
- pthread_setspecific (lmf_addr_key, &tls->lmf);
+
+
+ /*----------------------------------------------------------*/
+ /* 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
}
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);
+
+ if (tls->signal_stack)
+ g_free (tls->signal_stack);
+#endif
}
if (this_reg != -1) {
MonoInst *this;
MONO_INST_NEW (cfg, this, OP_SETREG);
- this->type = this_type;
+ this->type = this_type;
this->sreg1 = this_reg;
- this->dreg = mono_regstate_next_int (cfg->rs);
+ this->dreg = this_dreg;
mono_bblock_add_inst (cfg->cbb, this);
- mono_call_inst_add_outarg_reg (inst, this->dreg, this_dreg, FALSE);
}
if (vt_reg != -1) {
MonoInst *vtarg;
MONO_INST_NEW (cfg, vtarg, OP_SETREG);
- vtarg->type = STACK_MP;
+ vtarg->type = STACK_MP;
vtarg->sreg1 = vt_reg;
- vtarg->dreg = mono_regstate_next_int (cfg->rs);
+ vtarg->dreg = s390_r2;
mono_bblock_add_inst (cfg->cbb, vtarg);
- mono_call_inst_add_outarg_reg (inst, vtarg->dreg, s390_r2, FALSE);
}
}
MONO_INST_NEW (cfg, ins, OP_SQRT);
ins->inst_i0 = args [0];
}
- } else if (cmethod->klass == mono_defaults.thread_class &&
- strcmp (cmethod->name, "MemoryBarrier") == 0) {
- MONO_INST_NEW (cfg, ins, OP_MEMORY_BARRIER);
} else if(cmethod->klass->image == mono_defaults.corlib &&
(strcmp (cmethod->klass->name_space, "System.Threading") == 0) &&
(strcmp (cmethod->klass->name, "Interlocked") == 0)) {
switch (tree->opcode) {
case OP_S390_LOADARG:
- case OP_S390_ARGREG:
case OP_S390_ARGPTR:
- printf ("[0x%lx(%s)]", tree->inst_offset,
+ printf ("[0x%x(%s)]", tree->inst_offset,
mono_arch_regname (tree->inst_basereg));
done = 1;
break;
case OP_S390_STKARG:
- printf ("[0x%lx(previous_frame)]",
+ printf ("[0x%x(previous_frame)]",
tree->inst_offset);
done = 1;
break;
case OP_S390_MOVE:
- printf ("[0x%lx(%d,%s),0x%lx(%s)]",
+ printf ("[0x%x(%d,%s),0x%x(%s)]",
tree->inst_offset, tree->unused,
- mono_arch_regname(tree->dreg), tree->inst_imm,
- mono_arch_regname(tree->sreg1));
+ tree->dreg, tree->inst_imm,
+ tree->sreg1);
done = 1;
break;
case OP_S390_SETF4RET:
- printf ("[f%ld,f%ld]",
+ printf ("[f%d,f%d]",
mono_arch_regname (tree->dreg),
mono_arch_regname (tree->sreg1));
done = 1;
break;
case OP_TLS_GET:
- printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
+ printf ("[0x%x(0x%x,%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;
}
{
}
-/*========================= End of Function ========================*/
-
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_get_lmf_addr */
-/* */
-/* Function - */
-/* */
-/* Returns - */
-/* */
-/*------------------------------------------------------------------*/
-
-gpointer
-mono_arch_get_lmf_addr (void)
-{
- return pthread_getspecific (lmf_addr_key);
-}
-
-
/*========================= End of Function ========================*/
projects / mono.git / blobdiff