1 /*------------------------------------------------------------------*/
3 /* Name - mini-s390.c */
5 /* Function - S/390 backend for the Mono code generator. */
7 /* Name - Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com) */
9 /* Date - January, 2004 */
11 /* Derivation - From mini-x86 & mini-ppc by - */
12 /* Paolo Molaro (lupus@ximian.com) */
13 /* Dietmar Maurer (dietmar@ximian.com) */
15 /*------------------------------------------------------------------*/
17 /*------------------------------------------------------------------*/
19 /*------------------------------------------------------------------*/
21 #define NOT_IMPLEMENTED(x) \
22 g_error ("FIXME: %s is not yet implemented.", x);
24 #define EMIT_COND_BRANCH(ins,cond) \
26 if (ins->flags & MONO_INST_BRLABEL) { \
27 if (ins->inst_i0->inst_c0) { \
29 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
30 if (s390_is_imm16(displace)) { \
31 s390_brc (code, cond, displace); \
33 s390_jcl (code, cond, displace); \
36 mono_add_patch_info (cfg, code - cfg->native_code, \
37 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
38 s390_jcl (code, cond, 0); \
41 if (ins->inst_true_bb->native_offset) { \
43 displace = ((cfg->native_code + \
44 ins->inst_true_bb->native_offset) - code) / 2; \
45 if (s390_is_imm16(displace)) { \
46 s390_brc (code, cond, displace); \
48 s390_jcl (code, cond, displace); \
51 mono_add_patch_info (cfg, code - cfg->native_code, \
52 MONO_PATCH_INFO_BB, ins->inst_true_bb); \
53 s390_jcl (code, cond, 0); \
58 #define EMIT_UNCOND_BRANCH(ins) \
60 if (ins->flags & MONO_INST_BRLABEL) { \
61 if (ins->inst_i0->inst_c0) { \
63 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
64 if (s390_is_imm16(displace)) { \
65 s390_brc (code, S390_CC_UN, displace); \
67 s390_jcl (code, S390_CC_UN, displace); \
70 mono_add_patch_info (cfg, code - cfg->native_code, \
71 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
72 s390_jcl (code, S390_CC_UN, 0); \
75 if (ins->inst_target_bb->native_offset) { \
77 displace = ((cfg->native_code + \
78 ins->inst_target_bb->native_offset) - code) / 2; \
79 if (s390_is_imm16(displace)) { \
80 s390_brc (code, S390_CC_UN, displace); \
82 s390_jcl (code, S390_CC_UN, displace); \
85 mono_add_patch_info (cfg, code - cfg->native_code, \
86 MONO_PATCH_INFO_BB, ins->inst_target_bb); \
87 s390_jcl (code, S390_CC_UN, 0); \
92 #define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
94 mono_add_patch_info (cfg, code - cfg->native_code, \
95 MONO_PATCH_INFO_EXC, exc_name); \
96 s390_jcl (code, cond, 0); \
99 #define CHECK_SRCDST_COM \
100 if (ins->dreg == ins->sreg2) { \
104 if (ins->dreg != ins->sreg1) { \
105 s390_lgr (code, ins->dreg, ins->sreg1); \
109 #define CHECK_SRCDST_NCOM \
110 if (ins->dreg == ins->sreg2) { \
112 s390_lgr (code, s390_r13, ins->sreg2); \
116 if (ins->dreg != ins->sreg1) { \
117 s390_lgr (code, ins->dreg, ins->sreg1); \
120 #define CHECK_SRCDST_COM_I \
121 if (ins->dreg == ins->sreg2) { \
125 if (ins->dreg != ins->sreg1) { \
126 s390_lgfr (code, ins->dreg, ins->sreg1); \
130 #define CHECK_SRCDST_NCOM_I \
131 if (ins->dreg == ins->sreg2) { \
133 s390_lgfr (code, s390_r13, ins->sreg2); \
137 if (ins->dreg != ins->sreg1) { \
138 s390_lgfr (code, ins->dreg, ins->sreg1); \
141 #define CHECK_SRCDST_COM_F \
142 if (ins->dreg == ins->sreg2) { \
146 if (ins->dreg != ins->sreg1) { \
147 s390_ldr (code, ins->dreg, ins->sreg1); \
151 #define CHECK_SRCDST_NCOM_F \
152 if (ins->dreg == ins->sreg2) { \
154 s390_ldr (code, s390_r13, ins->sreg2); \
158 if (ins->dreg != ins->sreg1) { \
159 s390_ldr (code, ins->dreg, ins->sreg1); \
163 #define DEBUG(a) if (cfg->verbose_level > 1) a
167 #define S390_TRACE_STACK_SIZE (5*sizeof(gpointer)+4*sizeof(gdouble))
169 #define MAX (a, b) ((a) > (b) ? (a) : (b))
171 /*========================= End of Defines =========================*/
173 /*------------------------------------------------------------------*/
174 /* I n c l u d e s */
175 /*------------------------------------------------------------------*/
180 #include <mono/metadata/appdomain.h>
181 #include <mono/metadata/debug-helpers.h>
182 #include <mono/metadata/profiler-private.h>
183 #include <mono/utils/mono-math.h>
185 #include "mini-s390x.h"
187 #include "cpu-s390x.h"
189 /*========================= End of Includes ========================*/
191 /*------------------------------------------------------------------*/
192 /* T y p e d e f s */
193 /*------------------------------------------------------------------*/
205 /*------------------------------------------------------------------*/
206 /* Used by the instrument_emit_epilog */
207 /*------------------------------------------------------------------*/
218 typedef struct InstList InstList;
235 gint32 offset; /* offset from caller's stack */
236 gint32 offparm; /* offset from callee's stack */
237 guint16 vtsize; /* in param area */
239 guint8 regtype; /* See RegType* */
240 guint32 size; /* Size of structure used by RegTypeStructByVal */
241 gint32 type; /* Data type of argument */
255 gint64 gr[5]; /* R2-R6 */
256 gdouble fp[3]; /* F0-F2 */
257 } __attribute__ ((packed)) RegParm;
259 /*========================= End of Typedefs ========================*/
261 /*------------------------------------------------------------------*/
262 /* P r o t o t y p e s */
263 /*------------------------------------------------------------------*/
265 static void indent (int);
266 static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
267 static void decodeParm (MonoType *, void *, int);
268 static void enter_method (MonoMethod *, RegParm *, char *);
269 static void leave_method (MonoMethod *, ...);
270 static gboolean is_regsize_var (MonoType *);
271 static inline void add_general (guint *, size_data *, ArgInfo *);
272 static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
273 static inline void add_float (guint *, size_data *, ArgInfo *);
274 static CallInfo * calculate_sizes (MonoMethodSignature *, size_data *, gboolean);
275 static void peephole_pass (MonoCompile *, MonoBasicBlock *);
276 static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
277 static void mono_arch_break(void);
278 gpointer mono_arch_get_lmf_addr (void);
279 static guint8 * emit_load_volatile_registers (guint8 *, MonoCompile *);
280 static CompRelation opcode_to_cond (int);
281 static void catch_SIGILL(int, siginfo_t *, void *);
282 static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
284 /*========================= End of Prototypes ======================*/
286 /*------------------------------------------------------------------*/
287 /* G l o b a l V a r i a b l e s */
288 /*------------------------------------------------------------------*/
290 int mono_exc_esp_offset = 0;
292 static int indent_level = 0;
296 static gboolean tls_offset_inited = FALSE;
298 static int appdomain_tls_offset = -1,
300 thread_tls_offset = -1;
302 pthread_key_t lmf_addr_key;
304 gboolean lmf_addr_key_inited = FALSE;
308 extern __thread MonoDomain *tls_appdomain;
309 extern __thread MonoThread *tls_current_object;
310 extern __thread gpointer mono_lmf_addr;
314 /*====================== End of Global Variables ===================*/
316 /*------------------------------------------------------------------*/
318 /* Name - mono_arch_regname */
320 /* Function - Returns the name of the register specified by */
321 /* the input parameter. */
323 /*------------------------------------------------------------------*/
326 mono_arch_regname (int reg) {
327 static const char * rnames[] = {
328 "s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
329 "s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
330 "s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
334 if (reg >= 0 && reg < 16)
340 /*========================= End of Function ========================*/
342 /*------------------------------------------------------------------*/
344 /* Name - mono_arch_fregname */
346 /* Function - Returns the name of the register specified by */
347 /* the input parameter. */
349 /*------------------------------------------------------------------*/
352 mono_arch_fregname (int reg) {
353 static const char * rnames[] = {
354 "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
355 "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
356 "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
360 if (reg >= 0 && reg < 16)
366 /*========================= End of Function ========================*/
368 /*------------------------------------------------------------------*/
370 /* Name - arch_get_argument_info */
372 /* Function - Gathers information on parameters such as size, */
373 /* alignment, and padding. arg_info should be large */
374 /* enough to hold param_count + 1 entries. */
376 /* Parameters - @csig - Method signature */
377 /* @param_count - No. of parameters to consider */
378 /* @arg_info - An array to store the result info */
380 /* Returns - Size of the activation frame */
382 /*------------------------------------------------------------------*/
385 mono_arch_get_argument_info (MonoMethodSignature *csig,
387 MonoJitArgumentInfo *arg_info)
389 int k, frame_size = 0;
390 int size, align, pad;
393 if (MONO_TYPE_ISSTRUCT (csig->ret)) {
394 frame_size += sizeof (gpointer);
398 arg_info [0].offset = offset;
401 frame_size += sizeof (gpointer);
405 arg_info [0].size = frame_size;
407 for (k = 0; k < param_count; k++) {
410 size = mono_type_native_stack_size (csig->params [k], &align);
412 size = mono_type_stack_size (csig->params [k], &align);
414 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
415 arg_info [k].pad = pad;
417 arg_info [k + 1].pad = 0;
418 arg_info [k + 1].size = size;
420 arg_info [k + 1].offset = offset;
424 align = MONO_ARCH_FRAME_ALIGNMENT;
425 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
426 arg_info [k].pad = pad;
431 /*========================= End of Function ========================*/
433 /*------------------------------------------------------------------*/
435 /* Name - retFitsInReg. */
437 /* Function - Determines if a value can be returned in one or */
440 /*------------------------------------------------------------------*/
442 static inline gboolean
443 retFitsInReg(guint32 size)
458 /*========================= End of Function ========================*/
460 /*------------------------------------------------------------------*/
462 /* Name - backStackPtr. */
464 /* Function - Restore Stack Pointer to previous frame. */
466 /*------------------------------------------------------------------*/
468 static inline guint8 *
469 backUpStackPtr(MonoCompile *cfg, guint8 *code)
471 int stackSize = cfg->stack_usage;
473 if (s390_is_uimm16 (stackSize)) {
474 s390_aghi (code, STK_BASE, stackSize);
476 while (stackSize > 32767) {
477 s390_aghi (code, STK_BASE, 32767);
480 s390_aghi (code, STK_BASE, stackSize);
485 /*========================= End of Function ========================*/
487 /*------------------------------------------------------------------*/
491 /* Function - Perform nice indenting to current level */
493 /*------------------------------------------------------------------*/
499 indent_level += diff;
506 indent_level += diff;
509 /*========================= End of Function ========================*/
511 /*------------------------------------------------------------------*/
513 /* Name - decodeParm */
515 /* Function - Decode a parameter for the trace. */
517 /*------------------------------------------------------------------*/
520 decodeParm(MonoType *type, void *curParm, int size)
525 printf("[BYREF:%p], ", *((char **) curParm));
527 simpleType = mono_type_get_underlying_type(type)->type;
529 switch (simpleType) {
531 printf ("[INTPTR:%p], ", *((int **) curParm));
534 printf ("[UINTPTR:%p], ", *((int **) curParm));
536 case MONO_TYPE_BOOLEAN :
537 printf ("[BOOL:%ld], ", *((gint64 *) curParm));
539 case MONO_TYPE_CHAR :
540 printf ("[CHAR:%c], ", *((int *) curParm));
543 printf ("[INT1:%ld], ", *((gint64 *) curParm));
546 printf ("[INT2:%ld], ", *((gint64 *) curParm));
549 printf ("[INT4:%ld], ", *((gint64 *) curParm));
552 printf ("[UINT1:%lu], ", *((guint64 *) curParm));
555 printf ("[UINT2:%lu], ", *((guint64 *) curParm));
558 printf ("[UINT4:%lu], ", *((guint64 *) curParm));
561 printf ("[UINT8:%lu], ", *((guint64 *) curParm));
563 case MONO_TYPE_STRING : {
564 MonoString *s = *((MonoString **) curParm);
566 g_assert (((MonoObject *) s)->vtable->klass == mono_defaults.string_class);
567 printf("[STRING:%p:%s], ", s, mono_string_to_utf8(s));
569 printf("[STRING:null], ");
573 case MONO_TYPE_CLASS :
574 case MONO_TYPE_OBJECT : {
575 MonoObject *obj = *((MonoObject **) curParm);
577 if ((obj) && (obj->vtable)) {
578 printf("[CLASS/OBJ:");
579 class = obj->vtable->klass;
580 printf("%p [%p] ",obj,curParm);
581 if (class == mono_defaults.string_class) {
582 printf("[STRING:%p:%s]",
583 obj, mono_string_to_utf8 ((MonoString *) obj));
584 } else if (class == mono_defaults.int32_class) {
585 printf("[INT32:%p:%d]",
586 obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
589 class->name_space, class->name, obj);
592 printf("[OBJECT:null], ");
597 printf("[PTR:%p], ", *((gpointer **) (curParm)));
599 case MONO_TYPE_FNPTR :
600 printf("[FNPTR:%p], ", *((gpointer **) (curParm)));
602 case MONO_TYPE_ARRAY :
603 printf("[ARRAY:%p], ", *((gpointer **) (curParm)));
605 case MONO_TYPE_SZARRAY :
606 printf("[SZARRAY:%p], ", *((gpointer **) (curParm)));
609 printf("[INT8:%ld], ", *((gint64 *) (curParm)));
612 printf("[FLOAT4:%g], ", *((float *) (curParm)));
615 printf("[FLOAT8:%g], ", *((double *) (curParm)));
617 case MONO_TYPE_VALUETYPE : {
619 MonoMarshalType *info;
621 if (type->data.klass->enumtype) {
622 simpleType = type->data.klass->enum_basetype->type;
623 printf("{VALUETYPE} - ");
627 info = mono_marshal_load_type_info (type->data.klass);
629 if ((info->native_size == sizeof(float)) &&
630 (info->num_fields == 1) &&
631 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
632 printf("[FLOAT4:%f], ", *((float *) (curParm)));
636 if ((info->native_size == sizeof(double)) &&
637 (info->num_fields == 1) &&
638 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
639 printf("[FLOAT8:%g], ", *((double *) (curParm)));
643 printf("[VALUETYPE:");
644 for (i = 0; i < size; i++)
645 printf("%02x,", *((guint8 *)curParm+i));
649 case MONO_TYPE_TYPEDBYREF: {
651 printf("[TYPEDBYREF:");
652 for (i = 0; i < size; i++)
653 printf("%02x,", *((guint8 *)curParm+i));
658 printf("[?? - %d], ",simpleType);
663 /*========================= End of Function ========================*/
665 /*------------------------------------------------------------------*/
667 /* Name - enter_method */
669 /* Function - Perform tracing of the entry to the current */
672 /*------------------------------------------------------------------*/
675 enter_method (MonoMethod *method, RegParm *rParm, char *sp)
677 int i, oParm = 0, iParm = 0;
680 MonoMethodSignature *sig;
688 fname = mono_method_full_name (method, TRUE);
690 printf ("ENTER: %s ", fname);
693 ip = (*(guint64 *) (sp+S390_RET_ADDR_OFFSET));
694 printf ("ip: %p sp: %p - ", (gpointer) ip, sp);
699 sig = mono_method_signature (method);
701 cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
703 if (cinfo->struct_ret) {
704 printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
709 gpointer *this = (gpointer *) rParm->gr[iParm];
710 obj = (MonoObject *) this;
711 if (method->klass->valuetype) {
713 printf("this:[value:%p:%016lx], ",
714 this, *((guint64 *)(this+sizeof(MonoObject))));
716 printf ("this:[NULL], ");
719 class = obj->vtable->klass;
720 if (class == mono_defaults.string_class) {
721 printf ("this:[STRING:%p:%s], ",
722 obj, mono_string_to_utf8 ((MonoString *)obj));
724 printf ("this:%p[%s.%s], ",
725 obj, class->name_space, class->name);
728 printf ("this:NULL, ");
733 for (i = 0; i < sig->param_count; ++i) {
734 ainfo = &cinfo->args[i + oParm];
735 switch (ainfo->regtype) {
736 case RegTypeGeneral :
737 decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
740 decodeParm(sig->params[i], &(rParm->fp[ainfo->reg]), ainfo->size);
743 decodeParm(sig->params[i], sp+ainfo->offset, ainfo->size);
745 case RegTypeStructByVal :
746 if (ainfo->reg != STK_BASE) {
747 int offset = sizeof(glong) - ainfo->size;
748 curParm = &(rParm->gr[ainfo->reg-2])+offset;
751 curParm = sp+ainfo->offset;
753 if (retFitsInReg (ainfo->vtsize))
754 decodeParm(sig->params[i],
758 decodeParm(sig->params[i],
759 *((char **) curParm),
762 case RegTypeStructByAddr :
763 if (ainfo->reg != STK_BASE)
764 curParm = &(rParm->gr[ainfo->reg-2]);
766 curParm = sp+ainfo->offset;
768 decodeParm(sig->params[i],
769 *((char **) curParm),
781 /*========================= End of Function ========================*/
783 /*------------------------------------------------------------------*/
785 /* Name - leave_method */
789 /*------------------------------------------------------------------*/
792 leave_method (MonoMethod *method, ...)
799 va_start(ap, method);
801 fname = mono_method_full_name (method, TRUE);
803 printf ("LEAVE: %s", fname);
806 type = mono_method_signature (method)->ret;
809 switch (type->type) {
812 case MONO_TYPE_BOOLEAN: {
813 int val = va_arg (ap, int);
815 printf ("[TRUE:%d]", val);
821 case MONO_TYPE_CHAR: {
822 int val = va_arg (ap, int);
823 printf ("[CHAR:%d]", val);
827 int val = va_arg (ap, int);
828 printf ("[INT1:%d]", val);
832 int val = va_arg (ap, int);
833 printf ("[UINT1:%d]", val);
837 int val = va_arg (ap, int);
838 printf ("[INT2:%d]", val);
842 int val = va_arg (ap, int);
843 printf ("[UINT2:%d]", val);
847 int val = va_arg (ap, int);
848 printf ("[INT4:%d]", val);
852 int val = va_arg (ap, int);
853 printf ("[UINT4:%d]", val);
857 gint64 val = va_arg (ap, gint64);
858 printf ("[INT:%ld]", val);
863 gint64 val = va_arg (ap, gint64);
864 printf ("[UINT:%lu]", val);
868 case MONO_TYPE_STRING: {
869 MonoString *s = va_arg (ap, MonoString *);
872 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
873 printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
875 printf ("[STRING:null], ");
878 case MONO_TYPE_CLASS:
879 case MONO_TYPE_OBJECT: {
880 MonoObject *o = va_arg (ap, MonoObject *);
882 if ((o) && (o->vtable)) {
883 if (o->vtable->klass == mono_defaults.boolean_class) {
884 printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
885 } else if (o->vtable->klass == mono_defaults.int32_class) {
886 printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
887 } else if (o->vtable->klass == mono_defaults.int64_class) {
888 printf ("[INT64:%p:%ld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
890 printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
892 printf ("[OBJECT:%p]", o);
897 case MONO_TYPE_FNPTR:
898 case MONO_TYPE_ARRAY:
899 case MONO_TYPE_SZARRAY: {
900 gpointer p = va_arg (ap, gpointer);
901 printf ("[result=%p]", p);
905 gint64 l = va_arg (ap, gint64);
906 printf ("[LONG:%ld]", l);
910 guint64 l = va_arg (ap, guint64);
911 printf ("[ULONG:%lu]", l);
915 double f = va_arg (ap, double);
916 printf ("[FLOAT4:%g]\n", f);
920 double f = va_arg (ap, double);
921 printf ("[FLOAT8:%g]\n", f);
924 case MONO_TYPE_VALUETYPE: {
925 MonoMarshalType *info;
926 if (type->data.klass->enumtype) {
927 type = type->data.klass->enum_basetype;
930 guint8 *p = va_arg (ap, gpointer);
933 info = mono_marshal_load_type_info (type->data.klass);
935 if ((info->native_size == sizeof(float)) &&
936 (info->num_fields == 1) &&
937 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
938 double f = va_arg (ap, double);
939 printf("[FLOAT4:%g]\n", (double) f);
943 if ((info->native_size == sizeof(double)) &&
944 (info->num_fields == 1) &&
945 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
946 double f = va_arg (ap, double);
947 printf("[FLOAT8:%g]\n", f);
951 size = mono_type_size (type, &align);
958 for (j = 0; p && j < size; j++)
959 printf ("%02x,", p [j]);
963 printf ("[VALUETYPE]\n");
968 case MONO_TYPE_TYPEDBYREF: {
969 guint8 *p = va_arg (ap, gpointer);
971 size = mono_type_size (type, &align);
978 for (j = 0; p && j < size; j++)
979 printf ("%02x,", p [j]);
983 printf ("[TYPEDBYREF]\n");
988 printf ("(unknown return type %x)",
989 mono_method_signature (method)->ret->type);
992 ip = ((gint64) __builtin_return_address (0));
993 printf (" ip: %p\n", (gpointer) ip);
996 /*========================= End of Function ========================*/
998 /*------------------------------------------------------------------*/
1000 /* Name - catch_SIGILL */
1002 /* Function - Catch SIGILL as a result of testing for long */
1003 /* displacement facility. */
1005 /*------------------------------------------------------------------*/
1008 catch_SIGILL(int sigNo, siginfo_t *info, void *act) {
1014 /*========================= End of Function ========================*/
1016 /*------------------------------------------------------------------*/
1018 /* Name - mono_arch_cpu_init */
1020 /* Function - Perform CPU specific initialization to execute */
1023 /*------------------------------------------------------------------*/
1026 mono_arch_cpu_init (void)
1028 struct sigaction sa,
1032 /*--------------------------------------*/
1033 /* Set default rounding mode for FP */
1034 /*--------------------------------------*/
1035 __asm__ ("SRNM\t%0\n\t"
1038 /*--------------------------------------*/
1039 /* Determine if we have long displace- */
1040 /* ment facility on this processor */
1041 /*--------------------------------------*/
1042 sa.sa_sigaction = catch_SIGILL;
1043 sigemptyset (&sa.sa_mask);
1044 sa.sa_flags = SA_SIGINFO;
1046 sigaction (SIGILL, &sa, oldSa);
1048 /*--------------------------------------*/
1049 /* We test by executing the STY inst */
1050 /*--------------------------------------*/
1051 __asm__ ("LGHI\t0,1\n\t"
1053 ".byte\t0xe3,0x00,0x10,0x00,0x00,0x50\n\t"
1054 : "=m" (has_ld) : : "0", "1");
1056 sigaction (SIGILL, oldSa, NULL);
1059 /*========================= End of Function ========================*/
1061 /*------------------------------------------------------------------*/
1063 /* Name - mono_arch_cpu_optimizazions */
1065 /* Function - Returns the optimizations supported on this CPU */
1067 /*------------------------------------------------------------------*/
1070 mono_arch_cpu_optimizazions (guint32 *exclude_mask)
1074 /*----------------------------------------------------------*/
1075 /* No s390-specific optimizations yet */
1076 /*----------------------------------------------------------*/
1077 *exclude_mask = MONO_OPT_INLINE|MONO_OPT_LINEARS;
1078 // *exclude_mask = MONO_OPT_INLINE;
1082 /*========================= End of Function ========================*/
1084 /*------------------------------------------------------------------*/
1090 /*------------------------------------------------------------------*/
1093 is_regsize_var (MonoType *t) {
1096 switch (mono_type_get_underlying_type (t)->type) {
1104 case MONO_TYPE_FNPTR:
1106 case MONO_TYPE_OBJECT:
1107 case MONO_TYPE_STRING:
1108 case MONO_TYPE_CLASS:
1109 case MONO_TYPE_SZARRAY:
1110 case MONO_TYPE_ARRAY:
1112 case MONO_TYPE_VALUETYPE:
1113 if (t->data.klass->enumtype)
1114 return is_regsize_var (t->data.klass->enum_basetype);
1120 /*========================= End of Function ========================*/
1122 /*------------------------------------------------------------------*/
1124 /* Name - mono_arch_get_allocatable_int_vars */
1128 /*------------------------------------------------------------------*/
1131 mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
1136 for (i = 0; i < cfg->num_varinfo; i++) {
1137 MonoInst *ins = cfg->varinfo [i];
1138 MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
1141 if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
1144 if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) ||
1145 (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
1148 /* we can only allocate 32 bit values */
1149 if (is_regsize_var (ins->inst_vtype)) {
1150 g_assert (MONO_VARINFO (cfg, i)->reg == -1);
1151 g_assert (i == vmv->idx);
1152 vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
1159 /*========================= End of Function ========================*/
1161 /*------------------------------------------------------------------*/
1163 /* Name - mono_arch_global_int_regs */
1165 /* Function - Return a list of usable integer registers. */
1167 /*------------------------------------------------------------------*/
1170 mono_arch_get_global_int_regs (MonoCompile *cfg)
1173 MonoMethodHeader *header;
1176 header = mono_method_get_header (cfg->method);
1177 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1178 cfg->frame_reg = s390_r11;
1180 for (i = 8; i < top; ++i) {
1181 if (cfg->frame_reg != i)
1182 regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
1188 /*========================= End of Function ========================*/
1190 /*------------------------------------------------------------------*/
1192 /* Name - mono_arch_flush_icache */
1194 /* Function - Flush the CPU icache. */
1196 /*------------------------------------------------------------------*/
1199 mono_arch_flush_icache (guint8 *code, gint size)
1203 /*========================= End of Function ========================*/
1205 /*------------------------------------------------------------------*/
1207 /* Name - add_general */
1209 /* Function - Determine code and stack size incremements for a */
1212 /*------------------------------------------------------------------*/
1215 add_general (guint *gr, size_data *sz, ArgInfo *ainfo)
1217 if (*gr > S390_LAST_ARG_REG) {
1218 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1219 ainfo->offset = sz->stack_size;
1220 ainfo->reg = STK_BASE;
1221 ainfo->regtype = RegTypeBase;
1222 sz->stack_size += sizeof(long);
1223 sz->local_size += sizeof(long);
1224 sz->offStruct += sizeof(long);
1225 sz->code_size += 12;
1233 /*========================= End of Function ========================*/
1235 /*------------------------------------------------------------------*/
1237 /* Name - add_stackParm */
1239 /* Function - Determine code and stack size incremements for a */
1242 /*------------------------------------------------------------------*/
1245 add_stackParm (guint *gr, size_data *sz, ArgInfo *ainfo, gint size)
1247 if (*gr > S390_LAST_ARG_REG) {
1248 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1249 ainfo->reg = STK_BASE;
1250 sz->stack_size += sizeof(gpointer);
1251 sz->offStruct += sizeof(gpointer);
1256 ainfo->offset = sz->stack_size;
1257 ainfo->offparm = sz->offset;
1258 sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
1260 ainfo->regtype = RegTypeStructByAddr;
1261 ainfo->vtsize = size;
1262 sz->parm_size += size;
1265 /*========================= End of Function ========================*/
1267 /*------------------------------------------------------------------*/
1269 /* Name - add_float */
1271 /* Function - Determine code and stack size incremements for a */
1272 /* float parameter. */
1274 /*------------------------------------------------------------------*/
1277 add_float (guint *fr, size_data *sz, ArgInfo *ainfo)
1279 if ((*fr) <= S390_LAST_FPARG_REG) {
1280 ainfo->regtype = RegTypeFP;
1286 ainfo->offset = sz->stack_size;
1287 ainfo->reg = STK_BASE;
1288 ainfo->regtype = RegTypeBase;
1290 sz->stack_size += sizeof(double);
1291 sz->local_size += sizeof(double);
1292 sz->offStruct += sizeof(double);
1296 /*========================= End of Function ========================*/
1298 /*------------------------------------------------------------------*/
1300 /* Name - calculate_sizes */
1302 /* Function - Determine the amount of space required for code */
1303 /* and stack. In addition determine starting points */
1304 /* for stack-based parameters, and area for struct- */
1305 /* ures being returned on the stack. */
1307 /*------------------------------------------------------------------*/
1310 calculate_sizes (MonoMethodSignature *sig, size_data *sz,
1311 gboolean string_ctor)
1313 guint i, fr, gr, size;
1314 int nParm = sig->hasthis + sig->param_count;
1315 guint32 simpletype, align;
1316 CallInfo *cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
1321 cinfo->struct_ret = 0;
1324 sz->offStruct = S390_MINIMAL_STACK_SIZE;
1325 sz->stack_size = S390_MINIMAL_STACK_SIZE;
1330 /*----------------------------------------------------------*/
1331 /* We determine the size of the return code/stack in case we*/
1332 /* need to reserve a register to be used to address a stack */
1333 /* area that the callee will use. */
1334 /*----------------------------------------------------------*/
1336 simpletype = mono_type_get_underlying_type (sig->ret)->type;
1338 switch (simpletype) {
1339 case MONO_TYPE_BOOLEAN:
1344 case MONO_TYPE_CHAR:
1349 case MONO_TYPE_CLASS:
1350 case MONO_TYPE_OBJECT:
1351 case MONO_TYPE_SZARRAY:
1352 case MONO_TYPE_ARRAY:
1354 case MONO_TYPE_FNPTR:
1355 case MONO_TYPE_STRING:
1356 cinfo->ret.reg = s390_r2;
1361 cinfo->ret.reg = s390_f0;
1366 cinfo->ret.reg = s390_r2;
1369 case MONO_TYPE_GENERICINST:
1370 if (!mono_type_generic_inst_is_valuetype (sig->ret)) {
1371 cinfo->ret.reg = s390_r2;
1376 case MONO_TYPE_VALUETYPE: {
1377 MonoClass *klass = mono_class_from_mono_type (sig->ret);
1378 if (klass->enumtype) {
1379 simpletype = klass->enum_basetype->type;
1383 size = mono_class_native_size (klass, &align);
1385 size = mono_class_value_size (klass, &align);
1387 cinfo->ret.reg = s390_r2;
1388 cinfo->struct_ret = 1;
1389 cinfo->ret.size = size;
1390 cinfo->ret.vtsize = size;
1394 case MONO_TYPE_TYPEDBYREF:
1395 size = sizeof (MonoTypedRef);
1396 cinfo->ret.reg = s390_r2;
1397 cinfo->struct_ret = 1;
1398 cinfo->ret.size = size;
1399 cinfo->ret.vtsize = size;
1402 case MONO_TYPE_VOID:
1405 g_error ("Can't handle as return value 0x%x", sig->ret->type);
1409 cinfo->args[nParm].size = sizeof(gpointer);
1410 add_general (&gr, sz, cinfo->args+nParm);
1414 /*----------------------------------------------------------*/
1415 /* We determine the size of the parameter code and stack */
1416 /* requirements by checking the types and sizes of the */
1418 /*----------------------------------------------------------*/
1420 for (i = 0; i < sig->param_count; ++i) {
1421 /*--------------------------------------------------*/
1422 /* Handle vararg type calls. All args are put on */
1424 /*--------------------------------------------------*/
1425 if ((sig->call_convention == MONO_CALL_VARARG) &&
1426 (i == sig->sentinelpos)) {
1427 gr = S390_LAST_ARG_REG + 1;
1428 add_general (&gr, sz, &cinfo->sigCookie);
1431 if (sig->params [i]->byref) {
1432 add_general (&gr, sz, cinfo->args+nParm);
1433 cinfo->args[nParm].size = sizeof(gpointer);
1438 simpletype = mono_type_get_underlying_type(sig->params [i])->type;
1439 cinfo->args[nParm].type = simpletype;
1440 switch (simpletype) {
1441 case MONO_TYPE_BOOLEAN:
1444 cinfo->args[nParm].size = sizeof(char);
1445 add_general (&gr, sz, cinfo->args+nParm);
1450 case MONO_TYPE_CHAR:
1451 cinfo->args[nParm].size = sizeof(short);
1452 add_general (&gr, sz, cinfo->args+nParm);
1457 cinfo->args[nParm].size = sizeof(int);
1458 add_general (&gr, sz, cinfo->args+nParm);
1464 case MONO_TYPE_FNPTR:
1465 case MONO_TYPE_CLASS:
1466 case MONO_TYPE_OBJECT:
1467 case MONO_TYPE_STRING:
1468 case MONO_TYPE_SZARRAY:
1469 case MONO_TYPE_ARRAY:
1470 cinfo->args[nParm].size = sizeof(gpointer);
1471 add_general (&gr, sz, cinfo->args+nParm);
1476 cinfo->args[nParm].size = sizeof(long long);
1477 add_general (&gr, sz, cinfo->args+nParm);
1481 cinfo->args[nParm].size = sizeof(float);
1482 add_float (&fr, sz, cinfo->args+nParm);
1486 cinfo->args[nParm].size = sizeof(double);
1487 add_float (&fr, sz, cinfo->args+nParm);
1490 case MONO_TYPE_GENERICINST:
1491 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
1492 cinfo->args[nParm].size = sizeof(gpointer);
1493 add_general (&gr, sz, cinfo->args+nParm);
1498 case MONO_TYPE_VALUETYPE: {
1499 MonoMarshalType *info;
1500 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
1502 size = mono_class_native_size (klass, &align);
1504 size = mono_class_value_size (klass, &align);
1506 info = mono_marshal_load_type_info (klass);
1508 if ((info->native_size == sizeof(float)) &&
1509 (info->num_fields == 1) &&
1510 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1511 cinfo->args[nParm].size = sizeof(float);
1512 add_float(&fr, sz, cinfo->args+nParm);
1516 if ((info->native_size == sizeof(double)) &&
1517 (info->num_fields == 1) &&
1518 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1519 cinfo->args[nParm].size = sizeof(double);
1520 add_float(&fr, sz, cinfo->args+nParm);
1524 cinfo->args[nParm].vtsize = 0;
1525 cinfo->args[nParm].size = 0;
1528 /*----------------------------------*/
1529 /* On S/390, structures of size 1, */
1530 /* 2, 4, and 8 bytes are passed in */
1531 /* (a) register(s). */
1532 /*----------------------------------*/
1538 add_general(&gr, sz, cinfo->args+nParm);
1539 cinfo->args[nParm].size = size;
1540 cinfo->args[nParm].regtype = RegTypeStructByVal;
1542 sz->local_size += sizeof(long);
1545 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1550 case MONO_TYPE_TYPEDBYREF: {
1551 int size = sizeof (MonoTypedRef);
1553 cinfo->args[nParm].vtsize = 0;
1554 cinfo->args[nParm].size = 0;
1557 /*----------------------------------*/
1558 /* On S/390, structures of size 1, */
1559 /* 2, 4, and 8 bytes are passed in */
1560 /* (a) register(s). */
1561 /*----------------------------------*/
1567 add_general(&gr, sz, cinfo->args+nParm);
1568 cinfo->args[nParm].size = size;
1569 cinfo->args[nParm].regtype = RegTypeStructByVal;
1571 sz->local_size += sizeof(long);
1574 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1580 g_error ("Can't trampoline 0x%x", sig->params [i]->type);
1584 /*----------------------------------------------------------*/
1585 /* Handle the case where there are no implicit arguments */
1586 /*----------------------------------------------------------*/
1587 if ((sig->call_convention == MONO_CALL_VARARG) &&
1588 (sig->param_count == sig->sentinelpos)) {
1589 gr = S390_LAST_ARG_REG + 1;
1590 add_general (&gr, sz, &cinfo->sigCookie);
1593 /*----------------------------------------------------------*/
1594 /* If we are passing a structure back then if it won't be */
1595 /* in a register(s) then we make room at the end of the */
1596 /* parameters that may have been placed on the stack */
1597 /*----------------------------------------------------------*/
1598 if (cinfo->struct_ret) {
1599 cinfo->ret.offset = sz->stack_size;
1600 switch (cinfo->ret.size) {
1608 sz->stack_size += S390_ALIGN(cinfo->ret.size, align);
1613 sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
1615 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1620 /*========================= End of Function ========================*/
1622 /*------------------------------------------------------------------*/
1624 /* Name - mono_arch_allocate_vars */
1626 /* Function - Set var information according to the calling */
1627 /* convention for S/390. The local var stuff should */
1628 /* most likely be split in another method. */
1630 /* Parameter - @m - Compile unit. */
1632 /*------------------------------------------------------------------*/
1635 mono_arch_allocate_vars (MonoCompile *cfg)
1637 MonoMethodSignature *sig;
1638 MonoMethodHeader *header;
1642 int iParm, iVar, offset, size, align, curinst;
1643 int frame_reg = STK_BASE;
1646 header = mono_method_get_header (cfg->method);
1648 cfg->flags |= MONO_CFG_HAS_SPILLUP;
1650 /*---------------------------------------------------------*/
1651 /* We use the frame register also for any method that has */
1652 /* filter clauses. This way, when the handlers are called, */
1653 /* the code will reference local variables using the frame */
1654 /* reg instead of the stack pointer: if we had to restore */
1655 /* the stack pointer, we'd corrupt the method frames that */
1656 /* are already on the stack (since filters get called */
1657 /* before stack unwinding happens) when the filter code */
1658 /* would call any method. */
1659 /*---------------------------------------------------------*/
1660 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1661 frame_reg = s390_r11;
1663 cfg->frame_reg = frame_reg;
1665 if (frame_reg != STK_BASE)
1666 cfg->used_int_regs |= 1 << frame_reg;
1668 sig = mono_method_signature (cfg->method);
1670 cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
1672 if (cinfo->struct_ret) {
1673 cfg->ret->opcode = OP_REGVAR;
1674 cfg->ret->inst_c0 = s390_r2;
1676 switch (mono_type_get_underlying_type (sig->ret)->type) {
1677 case MONO_TYPE_VOID:
1680 cfg->ret->opcode = OP_REGVAR;
1681 cfg->ret->dreg = s390_r2;
1686 /*--------------------------------------------------------------*/
1687 /* local vars are at a positive offset from the stack pointer */
1688 /* also note that if the function uses alloca, we use s390_r11 */
1689 /* to point at the local variables. */
1690 /* add parameter area size for called functions */
1691 /*--------------------------------------------------------------*/
1692 offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
1693 cfg->sig_cookie = 0;
1695 if (cinfo->struct_ret) {
1697 offset = S390_ALIGN(offset, sizeof(gpointer));
1698 inst->inst_offset = offset;
1699 inst->opcode = OP_REGOFFSET;
1700 inst->inst_basereg = frame_reg;
1701 offset += sizeof(gpointer);
1702 if ((sig->call_convention == MONO_CALL_VARARG) &&
1703 (!retFitsInReg (cinfo->ret.size)))
1704 cfg->sig_cookie += cinfo->ret.size;
1708 inst = cfg->args [0];
1709 if (inst->opcode != OP_REGVAR) {
1710 inst->opcode = OP_REGOFFSET;
1711 inst->inst_basereg = frame_reg;
1712 offset = S390_ALIGN(offset, sizeof(gpointer));
1713 inst->inst_offset = offset;
1714 offset += sizeof (gpointer);
1721 eArg = sig->param_count + sArg;
1723 if (sig->call_convention == MONO_CALL_VARARG)
1724 cfg->sig_cookie += S390_MINIMAL_STACK_SIZE;
1726 for (iParm = sArg; iParm < eArg; ++iParm) {
1727 inst = cfg->args [curinst];
1728 if (inst->opcode != OP_REGVAR) {
1729 switch (cinfo->args[iParm].regtype) {
1730 case RegTypeStructByAddr :
1731 if (cinfo->args[iParm].reg == STK_BASE) {
1732 inst->opcode = OP_S390_LOADARG;
1733 inst->inst_basereg = frame_reg;
1734 offset = S390_ALIGN(offset, sizeof(long));
1735 inst->inst_offset = offset;
1736 size = abs(cinfo->args[iParm].vtsize);
1737 inst->backend.arg_info = cinfo->args[iParm].offset;
1739 inst->opcode = OP_S390_ARGREG;
1740 inst->inst_basereg = frame_reg;
1741 size = sizeof(gpointer);
1742 offset = S390_ALIGN(offset, size);
1743 inst->inst_offset = offset;
1744 inst->backend.arg_info = cinfo->args[iParm].offset;
1747 case RegTypeStructByVal :
1748 inst->opcode = OP_S390_ARGPTR;
1749 inst->inst_basereg = frame_reg;
1750 size = cinfo->args[iParm].size;
1751 offset = S390_ALIGN(offset, size);
1752 inst->inst_offset = offset;
1753 inst->backend.arg_info = cinfo->args[iParm].offset;
1756 if (cinfo->args[iParm].reg != STK_BASE) {
1757 inst->opcode = OP_REGOFFSET;
1758 inst->inst_basereg = frame_reg;
1759 size = (cinfo->args[iParm].size < 8
1762 offset = S390_ALIGN(offset, size);
1763 inst->inst_offset = offset;
1765 inst->opcode = OP_S390_STKARG;
1766 inst->inst_basereg = frame_reg;
1767 size = ((cinfo->args[iParm].size < 8)
1768 ? 8 - cinfo->args[iParm].size
1770 inst->inst_offset = cinfo->args[iParm].offset +
1772 inst->backend.arg_info = 0;
1773 size = sizeof(long);
1776 if ((sig->call_convention == MONO_CALL_VARARG) &&
1777 (cinfo->args[iParm].regtype != RegTypeGeneral) &&
1778 (iParm < sig->sentinelpos))
1779 cfg->sig_cookie += size;
1786 curinst = cfg->locals_start;
1787 for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
1788 inst = cfg->varinfo [iVar];
1789 if ((inst->flags & MONO_INST_IS_DEAD) ||
1790 (inst->opcode == OP_REGVAR))
1793 /*--------------------------------------------------*/
1794 /* inst->backend.is_pinvoke indicates native sized value types, */
1795 /* this is used by the pinvoke wrappers when they */
1796 /* call functions returning structure */
1797 /*--------------------------------------------------*/
1798 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
1799 size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
1801 size = mono_type_size (inst->inst_vtype, &align);
1803 offset = S390_ALIGN(offset, align);
1804 inst->inst_offset = offset;
1805 inst->opcode = OP_REGOFFSET;
1806 inst->inst_basereg = frame_reg;
1808 DEBUG (g_print("allocating local %d to %ld, size: %d\n",
1809 iVar, inst->inst_offset, size));
1812 /*------------------------------------------------------*/
1813 /* Allow space for the trace method stack area if needed*/
1814 /*------------------------------------------------------*/
1815 if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method))
1816 offset += S390_TRACE_STACK_SIZE;
1818 /*------------------------------------------------------*/
1819 /* Reserve space to save LMF and caller saved registers */
1820 /*------------------------------------------------------*/
1821 if (cfg->method->save_lmf)
1822 offset += sizeof (MonoLMF);
1824 /*------------------------------------------------------*/
1825 /* align the offset */
1826 /*------------------------------------------------------*/
1827 cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
1831 /*========================= End of Function ========================*/
1833 /*------------------------------------------------------------------*/
1835 /* Name - mono_arch_call_opcode */
1837 /* Function - Take the arguments and generate the arch-specific */
1838 /* instructions to properly call the function. This */
1839 /* includes pushing, moving argments to the correct */
1842 /*------------------------------------------------------------------*/
1845 mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
1846 MonoCallInst *call, int is_virtual) {
1848 MonoCallArgParm *arg;
1849 MonoMethodSignature *sig;
1850 int i, n, lParamArea;
1855 sig = call->signature;
1856 n = sig->param_count + sig->hasthis;
1857 DEBUG (g_print ("Call requires: %d parameters\n",n));
1859 cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
1861 call->stack_usage = MAX(sz.stack_size, call->stack_usage);
1862 lParamArea = MAX((call->stack_usage - S390_MINIMAL_STACK_SIZE - sz.parm_size), 0);
1863 cfg->param_area = MAX (((signed) cfg->param_area), lParamArea);
1864 cfg->flags |= MONO_CFG_HAS_CALLS;
1866 if (cinfo->struct_ret)
1867 call->used_iregs |= 1 << cinfo->ret.reg;
1869 for (i = 0; i < n; ++i) {
1870 ainfo = cinfo->args + i;
1872 if (!(sig->pinvoke) &&
1873 (sig->call_convention == MONO_CALL_VARARG) &&
1874 (i == sig->sentinelpos)) {
1875 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
1878 if (is_virtual && i == 0) {
1879 /* the argument will be attached to the call instrucion */
1880 in = call->args [i];
1881 call->used_iregs |= 1 << ainfo->reg;
1883 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
1884 in = call->args [i];
1885 arg->ins.cil_code = in->cil_code;
1886 arg->ins.inst_left = in;
1887 arg->ins.type = in->type;
1889 /* prepend, we'll need to reverse them later */
1890 arg->ins.next = call->out_args;
1891 call->out_args = (MonoInst *) arg;
1892 arg->ins.inst_right = (MonoInst *) call;
1893 if (ainfo->regtype == RegTypeGeneral) {
1894 arg->ins.backend.reg3 = ainfo->reg;
1895 call->used_iregs |= 1 << ainfo->reg;
1896 } else if (ainfo->regtype == RegTypeStructByAddr) {
1897 call->used_iregs |= 1 << ainfo->reg;
1898 arg->ins.sreg1 = ainfo->reg;
1899 arg->ins.opcode = OP_OUTARG_VT;
1900 arg->size = -ainfo->vtsize;
1901 arg->offset = ainfo->offset;
1902 arg->offPrm = ainfo->offparm + sz.offStruct;
1903 } else if (ainfo->regtype == RegTypeStructByVal) {
1904 if (ainfo->reg != STK_BASE)
1905 call->used_iregs |= 1 << ainfo->reg;
1906 arg->ins.sreg1 = ainfo->reg;
1907 arg->ins.opcode = OP_OUTARG_VT;
1908 arg->size = ainfo->size;
1909 arg->offset = ainfo->offset;
1910 arg->offPrm = ainfo->offparm + sz.offStruct;
1911 } else if (ainfo->regtype == RegTypeBase) {
1912 arg->ins.opcode = OP_OUTARG_MEMBASE;
1913 arg->ins.sreg1 = ainfo->reg;
1914 arg->size = ainfo->size;
1915 arg->offset = ainfo->offset;
1916 call->used_iregs |= 1 << ainfo->reg;
1917 } else if (ainfo->regtype == RegTypeFP) {
1918 arg->ins.backend.reg3 = ainfo->reg;
1919 call->used_fregs |= 1 << ainfo->reg;
1920 if (ainfo->size == 4)
1921 arg->ins.opcode = OP_OUTARG_R4;
1923 arg->ins.opcode = OP_OUTARG_R8;
1925 g_assert_not_reached ();
1931 * Handle the case where there are no implicit arguments
1933 if (!(sig->pinvoke) &&
1934 (sig->call_convention == MONO_CALL_VARARG) &&
1935 (n == sig->sentinelpos)) {
1936 emit_sig_cookie (cfg, call, cinfo, sizeof(MonoType *));
1940 * Reverse the call->out_args list.
1943 MonoInst *prev = NULL, *list = call->out_args, *next;
1950 call->out_args = prev;
1957 /*========================= End of Function ========================*/
1959 /*------------------------------------------------------------------*/
1961 /* Name - emit_sig_cookie. */
1963 /* Function - For variable length parameter lists construct a */
1964 /* signature cookie and emit it. */
1966 /*------------------------------------------------------------------*/
1969 emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call,
1970 CallInfo *cinfo, int argSize)
1972 MonoCallArgParm *arg;
1973 MonoMethodSignature *tmpSig;
1976 cfg->disable_aot = TRUE;
1978 /*----------------------------------------------------------*/
1979 /* mono_ArgIterator_Setup assumes the signature cookie is */
1980 /* passed first and all the arguments which were before it */
1981 /* passed on the stack after the signature. So compensate */
1982 /* by passing a different signature. */
1983 /*----------------------------------------------------------*/
1984 tmpSig = mono_metadata_signature_dup (call->signature);
1985 tmpSig->param_count -= call->signature->sentinelpos;
1986 tmpSig->sentinelpos = 0;
1987 if (tmpSig->param_count > 0)
1988 memcpy (tmpSig->params,
1989 call->signature->params + call->signature->sentinelpos,
1990 tmpSig->param_count * sizeof(MonoType *));
1992 MONO_INST_NEW (cfg, sigArg, OP_ICONST);
1993 sigArg->inst_p0 = tmpSig;
1995 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
1996 arg->ins.inst_left = sigArg;
1997 arg->ins.inst_right = (MonoInst *) call;
1998 arg->size = argSize;
1999 arg->offset = cinfo->sigCookie.offset;
2001 /* prepend, we'll need to reverse them later */
2002 arg->ins.next = call->out_args;
2003 call->out_args = (MonoInst *) arg;
2006 /*========================= End of Function ========================*/
2008 /*------------------------------------------------------------------*/
2010 /* Name - mono_arch_instrument_mem_needs */
2012 /* Function - Allow tracing to work with this interface (with */
2013 /* an optional argument). */
2015 /*------------------------------------------------------------------*/
2018 mono_arch_instrument_mem_needs (MonoMethod *method, int *stack, int *code)
2020 /* no stack room needed now (may be needed for FASTCALL-trace support) */
2022 /* split prolog-epilog requirements? */
2023 *code = 50; /* max bytes needed: check this number */
2026 /*========================= End of Function ========================*/
2028 /*------------------------------------------------------------------*/
2030 /* Name - mono_arch_instrument_prolog */
2032 /* Function - Create an "instrumented" prolog. */
2034 /*------------------------------------------------------------------*/
2037 mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
2038 gboolean enable_arguments)
2045 parmOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2046 if (cfg->method->save_lmf)
2047 parmOffset -= sizeof(MonoLMF);
2048 fpOffset = parmOffset + (5*sizeof(gpointer));
2049 if ((!has_ld) && (fpOffset > 4096)) {
2050 s390_lgr (code, s390_r12, STK_BASE);
2052 while (fpOffset > 4096) {
2053 s390_aghi (code, baseReg, 4096);
2061 s390_stmg (code, s390_r2, s390_r6, STK_BASE, parmOffset);
2063 s390_stdy (code, s390_f0, 0, STK_BASE, fpOffset);
2064 s390_stdy (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
2065 s390_stdy (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
2066 s390_stdy (code, s390_f6, 0, STK_BASE, fpOffset+3*sizeof(gdouble));
2068 s390_std (code, s390_f0, 0, baseReg, fpOffset);
2069 s390_std (code, s390_f2, 0, baseReg, fpOffset+sizeof(gdouble));
2070 s390_std (code, s390_f4, 0, baseReg, fpOffset+2*sizeof(gdouble));
2071 s390_std (code, s390_f6, 0, baseReg, fpOffset+3*sizeof(gdouble));
2073 s390_basr (code, s390_r13, 0);
2075 s390_llong(code, cfg->method);
2076 s390_llong(code, func);
2077 s390_lg (code, s390_r2, 0, s390_r13, 4);
2079 s390_lay (code, s390_r3, 0, STK_BASE, parmOffset);
2081 s390_la (code, s390_r3, 0, baseReg, parmOffset);
2082 s390_lgr (code, s390_r4, STK_BASE);
2083 s390_aghi (code, s390_r4, cfg->stack_usage);
2084 s390_lg (code, s390_r1, 0, s390_r13, 12);
2085 s390_basr (code, s390_r14, s390_r1);
2087 s390_ldy (code, s390_f6, 0, STK_BASE, fpOffset+3*sizeof(gdouble));
2088 s390_ldy (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
2089 s390_ldy (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
2090 s390_ldy (code, s390_f0, 0, STK_BASE, fpOffset);
2092 s390_ld (code, s390_f6, 0, baseReg, fpOffset+3*sizeof(gdouble));
2093 s390_ld (code, s390_f4, 0, baseReg, fpOffset+2*sizeof(gdouble));
2094 s390_ld (code, s390_f2, 0, baseReg, fpOffset+sizeof(gdouble));
2095 s390_ld (code, s390_f0, 0, baseReg, fpOffset);
2097 s390_lmg (code, s390_r2, s390_r6, STK_BASE, parmOffset);
2102 /*========================= End of Function ========================*/
2104 /*------------------------------------------------------------------*/
2106 /* Name - mono_arch_instrument_epilog */
2108 /* Function - Create an epilog that will handle the returned */
2109 /* values used in instrumentation. */
2111 /*------------------------------------------------------------------*/
2114 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
2117 int save_mode = SAVE_NONE,
2119 MonoMethod *method = cfg->method;
2120 int rtype = mono_type_get_underlying_type (mono_method_signature (method)->ret)->type;
2122 saveOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2123 if (method->save_lmf)
2124 saveOffset -= sizeof(MonoLMF);
2128 case MONO_TYPE_VOID:
2129 /* special case string .ctor icall */
2130 if (strcmp (".ctor", method->name) && method->klass == mono_defaults.string_class)
2131 save_mode = SAVE_ONE;
2133 save_mode = SAVE_NONE;
2137 save_mode = SAVE_ONE;
2140 save_mode = SAVE_R4;
2143 save_mode = SAVE_R8;
2145 case MONO_TYPE_VALUETYPE:
2146 if (mono_method_signature (method)->ret->data.klass->enumtype) {
2147 rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
2150 save_mode = SAVE_STRUCT;
2153 save_mode = SAVE_ONE;
2157 switch (save_mode) {
2159 s390_stg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2160 if (enable_arguments) {
2161 s390_lgr (code, s390_r3, s390_r2);
2165 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2166 if (enable_arguments) {
2167 s390_ldebr (code, s390_f0, s390_f0);
2171 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2174 s390_stg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2175 if (enable_arguments) {
2176 s390_lg (code, s390_r3, 0, cfg->frame_reg,
2177 S390_MINIMAL_STACK_SIZE+cfg->param_area);
2185 s390_basr (code, s390_r13, 0);
2187 s390_llong(code, cfg->method);
2188 s390_llong(code, func);
2189 s390_lg (code, s390_r2, 0, s390_r13, 4);
2190 s390_lg (code, s390_r1, 0, s390_r13, 12);
2191 s390_basr (code, s390_r14, s390_r1);
2193 switch (save_mode) {
2195 s390_lg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2199 s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2202 s390_lg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2212 /*========================= End of Function ========================*/
2214 /*------------------------------------------------------------------*/
2216 /* Name - peephole_pass */
2218 /* Function - Form a peephole pass at the code looking for */
2219 /* simple optimizations. */
2221 /*------------------------------------------------------------------*/
2224 peephole_pass (MonoCompile *cfg, MonoBasicBlock *bb)
2226 MonoInst *ins, *last_ins = NULL;
2231 switch (ins->opcode) {
2233 /* remove unnecessary multiplication with 1 */
2234 if (ins->inst_imm == 1) {
2235 if (ins->dreg != ins->sreg1) {
2236 ins->opcode = OP_MOVE;
2238 last_ins->next = ins->next;
2244 case OP_LOAD_MEMBASE:
2245 case OP_LOADI4_MEMBASE:
2247 * OP_STORE_MEMBASE_REG reg, offset(basereg)
2248 * OP_LOAD_MEMBASE offset(basereg), reg
2250 if (last_ins && (last_ins->opcode == OP_STOREI4_MEMBASE_REG
2251 || last_ins->opcode == OP_STORE_MEMBASE_REG) &&
2252 ins->inst_basereg == last_ins->inst_destbasereg &&
2253 ins->inst_offset == last_ins->inst_offset) {
2254 if (ins->dreg == last_ins->sreg1) {
2255 last_ins->next = ins->next;
2259 ins->opcode = OP_MOVE;
2260 ins->sreg1 = last_ins->sreg1;
2264 * Note: reg1 must be different from the basereg in the second load
2265 * OP_LOAD_MEMBASE offset(basereg), reg1
2266 * OP_LOAD_MEMBASE offset(basereg), reg2
2268 * OP_LOAD_MEMBASE offset(basereg), reg1
2269 * OP_MOVE reg1, reg2
2271 } if (last_ins && (last_ins->opcode == OP_LOADI4_MEMBASE
2272 || last_ins->opcode == OP_LOAD_MEMBASE) &&
2273 ins->inst_basereg != last_ins->dreg &&
2274 ins->inst_basereg == last_ins->inst_basereg &&
2275 ins->inst_offset == last_ins->inst_offset) {
2277 if (ins->dreg == last_ins->dreg) {
2278 last_ins->next = ins->next;
2282 ins->opcode = OP_MOVE;
2283 ins->sreg1 = last_ins->dreg;
2288 case OP_LOADU1_MEMBASE:
2289 case OP_LOADI1_MEMBASE:
2290 if (last_ins && (last_ins->opcode == OP_STOREI1_MEMBASE_REG) &&
2291 ins->inst_basereg == last_ins->inst_destbasereg &&
2292 ins->inst_offset == last_ins->inst_offset) {
2293 ins->opcode = (ins->opcode == OP_LOADI1_MEMBASE) ? CEE_CONV_I1 : CEE_CONV_U1;
2294 ins->sreg1 = last_ins->sreg1;
2297 case OP_LOADU2_MEMBASE:
2298 case OP_LOADI2_MEMBASE:
2299 if (last_ins && (last_ins->opcode == OP_STOREI2_MEMBASE_REG) &&
2300 ins->inst_basereg == last_ins->inst_destbasereg &&
2301 ins->inst_offset == last_ins->inst_offset) {
2302 ins->opcode = (ins->opcode == OP_LOADI2_MEMBASE) ? CEE_CONV_I2 : CEE_CONV_U2;
2303 ins->sreg1 = last_ins->sreg1;
2312 if (ins->dreg == ins->sreg1) {
2314 last_ins->next = ins->next;
2319 * OP_MOVE sreg, dreg
2320 * OP_MOVE dreg, sreg
2322 if (last_ins && last_ins->opcode == OP_MOVE &&
2323 ins->sreg1 == last_ins->dreg &&
2324 ins->dreg == last_ins->sreg1) {
2325 last_ins->next = ins->next;
2334 bb->last_ins = last_ins;
2337 /*========================= End of Function ========================*/
2339 /*------------------------------------------------------------------*/
2341 /* Name - mono_arch_local_regalloc. */
2343 /* Function - We first scan the list of instructions and we */
2344 /* save the liveness information of each register */
2345 /* (when the register is first used, when its value */
2346 /* is set etc.). We also reverse the list of instr- */
2347 /* uctions (in the InstList list) because assigning */
2348 /* registers backwards allows for more tricks to be */
2351 /*------------------------------------------------------------------*/
2354 mono_arch_local_regalloc (MonoCompile *cfg, MonoBasicBlock *bb)
2356 mono_local_regalloc(cfg, bb);
2359 /*========================= End of Function ========================*/
2361 /*------------------------------------------------------------------*/
2363 /* Name - emit_float_to_int */
2365 /* Function - Create instructions which will convert a floating */
2366 /* point value to integer. */
2368 /*------------------------------------------------------------------*/
2371 emit_float_to_int (MonoCompile *cfg, guchar *code, int dreg, int sreg, int size, gboolean is_signed)
2373 /* sreg is a float, dreg is an integer reg. */
2375 s390_cfdbr (code, dreg, 5, sreg);
2378 s390_lghi (code, s390_r0, 0);
2379 s390_lghi (code, s390_r13, 0xff);
2380 s390_ltgr (code, dreg, dreg);
2382 s390_lghi (code, s390_r0, 0x80);
2383 s390_ngr (code, dreg, s390_r13);
2384 s390_ogr (code, dreg, s390_r0);
2389 s390_basr (code, s390_r13, 0);
2391 s390_llong (code, 0x41e0000000000000);
2392 s390_llong (code, 0x41f0000000000000);
2393 s390_ldr (code, s390_f15, sreg);
2394 s390_cdb (code, s390_f15, 0, s390_r13, 4);
2395 s390_jl (code, 0); CODEPTR (code, o[0]);
2396 s390_sdb (code, s390_f15, 0, s390_r13, 12);
2397 s390_cfdbr (code, dreg, 7, s390_f15);
2399 PTRSLOT (code, o[0]);
2400 s390_cfdbr (code, dreg, 5, sreg);
2403 s390_lghi (code, s390_r0, 0xff);
2404 s390_ngr (code, dreg, s390_r0);
2407 s390_lghi (code, s390_r0, -1);
2408 s390_srlg (code, s390_r0, s390_r0, 0, 16);
2409 s390_ngr (code, dreg, s390_r0);
2416 /*========================= End of Function ========================*/
2418 /*------------------------------------------------------------------*/
2420 /* Name - mono_arch_output_basic_block */
2422 /* Function - Perform the "real" work of emitting instructions */
2423 /* that will do the work of in the basic block. */
2425 /*------------------------------------------------------------------*/
2428 mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
2433 guint8 *code = cfg->native_code + cfg->code_len;
2434 MonoInst *last_ins = NULL;
2435 guint last_offset = 0;
2436 int max_len, cpos, src2;
2438 if (cfg->opt & MONO_OPT_PEEPHOLE)
2439 peephole_pass (cfg, bb);
2441 /* we don't align basic blocks of loops on s390 */
2443 if (cfg->verbose_level > 2)
2444 g_print ("Basic block %d starting at offset 0x%x\n", bb->block_num, bb->native_offset);
2446 cpos = bb->max_offset;
2448 if (cfg->prof_options & MONO_PROFILE_COVERAGE) {
2449 //MonoCoverageInfo *cov = mono_get_coverage_info (cfg->method);
2450 //g_assert (!mono_compile_aot);
2453 // cov->data [bb->dfn].iloffset = bb->cil_code - cfg->cil_code;
2454 /* this is not thread save, but good enough */
2455 /* fixme: howto handle overflows? */
2456 //x86_inc_mem (code, &cov->data [bb->dfn].count);
2461 offset = code - cfg->native_code;
2463 max_len = ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
2465 if (offset > (cfg->code_size - max_len - 16)) {
2466 cfg->code_size *= 2;
2467 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
2468 code = cfg->native_code + offset;
2471 mono_debug_record_line_number (cfg, ins, offset);
2473 switch (ins->opcode) {
2474 case OP_STOREI1_MEMBASE_IMM: {
2475 s390_lghi (code, s390_r0, ins->inst_imm);
2476 S390_LONG (code, stcy, stc, s390_r0, 0,
2477 ins->inst_destbasereg, ins->inst_offset);
2480 case OP_STOREI2_MEMBASE_IMM: {
2481 s390_lghi (code, s390_r0, ins->inst_imm);
2482 S390_LONG (code, sthy, sth, s390_r0, 0,
2483 ins->inst_destbasereg, ins->inst_offset);
2486 case OP_STOREI4_MEMBASE_IMM: {
2487 if (s390_is_imm16(ins->inst_imm)) {
2488 s390_lghi (code, s390_r0, ins->inst_imm);
2490 s390_basr (code, s390_r13, 0);
2492 s390_llong(code, ins->inst_imm);
2493 s390_lg (code, s390_r0, 0, s390_r13, 4);
2495 S390_LONG (code, sty, st, s390_r0, 0,
2496 ins->inst_destbasereg, ins->inst_offset);
2499 case OP_STORE_MEMBASE_IMM:
2500 case OP_STOREI8_MEMBASE_IMM: {
2501 if (s390_is_imm16(ins->inst_imm)) {
2502 s390_lghi (code, s390_r0, ins->inst_imm);
2504 s390_basr (code, s390_r13, 0);
2506 s390_llong(code, ins->inst_imm);
2507 s390_lg (code, s390_r0, 0, s390_r13, 4);
2509 S390_LONG (code, stg, stg, s390_r0, 0,
2510 ins->inst_destbasereg, ins->inst_offset);
2513 case OP_STOREI1_MEMBASE_REG: {
2514 S390_LONG (code, stcy, stc, ins->sreg1, 0,
2515 ins->inst_destbasereg, ins->inst_offset);
2518 case OP_STOREI2_MEMBASE_REG: {
2519 S390_LONG (code, sthy, sth, ins->sreg1, 0,
2520 ins->inst_destbasereg, ins->inst_offset);
2523 case OP_STOREI4_MEMBASE_REG: {
2524 S390_LONG (code, sty, st, ins->sreg1, 0,
2525 ins->inst_destbasereg, ins->inst_offset);
2528 case OP_STORE_MEMBASE_REG:
2529 case OP_STOREI8_MEMBASE_REG: {
2530 S390_LONG (code, stg, stg, ins->sreg1, 0,
2531 ins->inst_destbasereg, ins->inst_offset);
2535 case CEE_LDIND_I4: {
2536 s390_basr (code, s390_r13, 0);
2538 s390_llong(code, ins->inst_p0);
2539 s390_lg (code, s390_r13, 0, s390_r13, 4);
2540 s390_lgf (code, ins->dreg, 0, s390_r13, 0);
2543 case CEE_LDIND_U4: {
2544 s390_basr (code, s390_r13, 0);
2546 s390_llong(code, ins->inst_p0);
2547 s390_lg (code, s390_r13, 0, s390_r13, 4);
2548 s390_llgf (code, ins->dreg, 0, s390_r13, 0);
2552 g_assert_not_reached ();
2554 case OP_LOAD_MEMBASE:
2555 case OP_LOADI8_MEMBASE: {
2556 S390_LONG (code, lg, lg, ins->dreg, 0,
2557 ins->inst_basereg, ins->inst_offset);
2560 case OP_LOADI4_MEMBASE: {
2561 S390_LONG (code, lgf, lgf, ins->dreg, 0,
2562 ins->inst_basereg, ins->inst_offset);
2565 case OP_LOADU4_MEMBASE: {
2566 S390_LONG (code, llgf, llgf, ins->dreg, 0,
2567 ins->inst_basereg, ins->inst_offset);
2570 case OP_LOADU1_MEMBASE: {
2571 S390_LONG (code, llgc, llgc, ins->dreg, 0,
2572 ins->inst_basereg, ins->inst_offset);
2575 case OP_LOADI1_MEMBASE: {
2576 S390_LONG (code, lgb, lgb, ins->dreg, 0,
2577 ins->inst_basereg, ins->inst_offset);
2580 case OP_LOADU2_MEMBASE: {
2581 S390_LONG (code, llgh, llgh, ins->dreg, 0,
2582 ins->inst_basereg, ins->inst_offset);
2585 case OP_LOADI2_MEMBASE: {
2586 S390_LONG (code, lgh, lgh, ins->dreg, 0,
2587 ins->inst_basereg, ins->inst_offset);
2591 s390_lghi (code, s390_r0, 0x80);
2592 if (ins->dreg != ins->sreg1) {
2593 s390_lgr (code, ins->dreg, ins->sreg1);
2595 s390_ngr (code, s390_r0, ins->sreg1);
2597 s390_lghi (code, s390_r13, -1);
2598 s390_sllg (code, s390_r13, s390_r13, 0, 8);
2599 s390_ogr (code, ins->dreg, s390_r13);
2603 s390_lghi (code, s390_r0, 0x80);
2604 s390_sllg (code, s390_r0, s390_r0, 0, 8);
2605 if (ins->dreg != ins->sreg1) {
2606 s390_lgr (code, ins->dreg, ins->sreg1);
2608 s390_ngr (code, s390_r0, ins->sreg1);
2610 s390_lghi (code, s390_r13, -1);
2611 s390_sllg (code, s390_r13, s390_r13, 0, 16);
2612 s390_ogr (code, ins->dreg, s390_r13);
2616 s390_lghi (code, s390_r0, 0xff);
2617 if (ins->dreg != ins->sreg1) {
2618 s390_lgr (code, ins->dreg, ins->sreg1);
2620 s390_ngr (code, ins->dreg, s390_r0);
2624 s390_lghi (code, s390_r0, -1);
2625 s390_sllg (code, s390_r0, s390_r0, 0, 16);
2626 s390_srlg (code, s390_r0, s390_r0, 0, 16);
2627 if (ins->dreg != ins->sreg1) {
2628 s390_lgr (code, ins->dreg, ins->sreg1);
2630 s390_ngr (code, ins->dreg, s390_r0);
2636 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2637 s390_clgr (code, ins->sreg1, ins->sreg2);
2639 s390_cgr (code, ins->sreg1, ins->sreg2);
2642 case OP_COMPARE_IMM: {
2643 if (s390_is_imm16 (ins->inst_imm)) {
2644 s390_lghi (code, s390_r0, ins->inst_imm);
2646 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2647 s390_clgr (code, ins->sreg1, s390_r0);
2649 s390_cgr (code, ins->sreg1, s390_r0);
2652 s390_basr (code, s390_r13, 0);
2654 s390_llong(code, ins->inst_imm);
2656 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2657 s390_clg (code, ins->sreg1, 0, s390_r13, 4);
2659 s390_cg (code, ins->sreg1, 0, s390_r13, 4);
2665 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2666 s390_clr (code, ins->sreg1, ins->sreg2);
2668 s390_cr (code, ins->sreg1, ins->sreg2);
2671 case OP_ICOMPARE_IMM: {
2672 if (s390_is_imm16 (ins->inst_imm)) {
2673 s390_lghi (code, s390_r0, ins->inst_imm);
2675 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2676 s390_clr (code, ins->sreg1, s390_r0);
2678 s390_cr (code, ins->sreg1, s390_r0);
2681 s390_basr (code, s390_r13, 0);
2683 s390_word (code, ins->inst_imm);
2685 (opcode_to_cond(ins->next->opcode) >= CMP_LE_UN))
2686 s390_cl (code, ins->sreg1, 0, s390_r13, 4);
2688 s390_c (code, ins->sreg1, 0, s390_r13, 4);
2693 s390_basr (code, s390_r13, 0);
2695 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS,
2697 s390_llong (code, mono_arch_break);
2698 s390_lg (code, s390_r14, 0, s390_r13, 4);
2699 s390_basr (code, s390_r14, s390_r14);
2704 s390_algr (code, ins->dreg, src2);
2709 s390_agr (code, ins->dreg, src2);
2714 s390_alcgr (code, ins->dreg, src2);
2718 if (ins->dreg != ins->sreg1) {
2719 s390_lgr (code, ins->dreg, ins->sreg1);
2721 if (s390_is_imm16 (ins->inst_imm)) {
2722 s390_aghi (code, ins->dreg, ins->inst_imm);
2724 s390_basr (code, s390_r13, 0);
2726 s390_llong(code, ins->inst_imm);
2727 s390_ag (code, ins->dreg, 0, s390_r13, 4);
2732 if (ins->dreg != ins->sreg1) {
2733 s390_lgr (code, ins->dreg, ins->sreg1);
2735 if (s390_is_imm16 (ins->inst_imm)) {
2736 s390_lghi (code, s390_r0, ins->inst_imm);
2737 s390_alcgr (code, ins->dreg, s390_r0);
2739 s390_basr (code, s390_r13, 0);
2741 s390_llong (code, ins->inst_imm);
2742 s390_lg (code, s390_r13, 0, s390_r13, 4);
2743 s390_alcgr (code, ins->dreg, s390_r13);
2749 s390_agr (code, ins->dreg, src2);
2750 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2753 case OP_LADD_OVF_UN: {
2755 s390_algr (code, ins->dreg, src2);
2756 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
2759 case OP_ADD_OVF_CARRY: {
2761 s390_lghi (code, s390_r0, 0);
2762 s390_lgr (code, s390_r1, s390_r0);
2763 s390_alcgr (code, s390_r0, s390_r1);
2764 s390_agr (code, ins->dreg, src2);
2765 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2766 s390_agr (code, ins->dreg, s390_r0);
2767 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2770 case OP_ADD_OVF_UN_CARRY: {
2772 s390_alcgr (code, ins->dreg, src2);
2773 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
2778 s390_slgr (code, ins->dreg, src2);
2783 s390_sgr (code, ins->dreg, src2);
2788 s390_slbgr(code, ins->dreg, src2);
2792 if (ins->dreg != ins->sreg1) {
2793 s390_lgr (code, ins->dreg, ins->sreg1);
2795 if (s390_is_imm16 (-ins->inst_imm)) {
2796 s390_lghi (code, s390_r0, ins->inst_imm);
2797 s390_slgr (code, ins->dreg, s390_r0);
2799 s390_basr (code, s390_r13, 0);
2801 s390_llong(code, ins->inst_imm);
2802 s390_slg (code, ins->dreg, 0, s390_r13, 4);
2807 if (ins->dreg != ins->sreg1) {
2808 s390_lgr (code, ins->dreg, ins->sreg1);
2810 if (s390_is_imm16 (-ins->inst_imm)) {
2811 s390_lghi (code, s390_r0, ins->inst_imm);
2812 s390_slbgr (code, ins->dreg, s390_r0);
2814 s390_basr (code, s390_r13, 0);
2816 s390_llong(code, ins->inst_imm);
2817 s390_slbg (code, ins->dreg, 0, s390_r13, 4);
2823 s390_sgr (code, ins->dreg, src2);
2824 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2827 case OP_LSUB_OVF_UN: {
2829 s390_slgr (code, ins->dreg, src2);
2830 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
2833 case OP_SUB_OVF_CARRY: {
2835 s390_lghi (code, s390_r0, 0);
2836 s390_lgr (code, s390_r1, s390_r0);
2837 s390_slbgr (code, s390_r0, s390_r1);
2838 s390_sgr (code, ins->dreg, src2);
2839 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2840 s390_agr (code, ins->dreg, s390_r0);
2841 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2844 case OP_SUB_OVF_UN_CARRY: {
2846 s390_slbgr (code, ins->dreg, src2);
2847 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
2851 if (ins->sreg1 == ins->dreg) {
2852 s390_ngr (code, ins->dreg, ins->sreg2);
2855 if (ins->sreg2 == ins->dreg) {
2856 s390_ngr (code, ins->dreg, ins->sreg1);
2859 s390_lgr (code, ins->dreg, ins->sreg1);
2860 s390_ngr (code, ins->dreg, ins->sreg2);
2866 if (ins->dreg != ins->sreg1) {
2867 s390_lgr (code, ins->dreg, ins->sreg1);
2869 if (s390_is_imm16 (ins->inst_imm)) {
2870 s390_lghi (code, s390_r0, ins->inst_imm);
2871 s390_ngr (code, ins->dreg, s390_r0);
2873 s390_basr (code, s390_r13, 0);
2875 s390_llong(code, ins->inst_imm);
2876 s390_ng (code, ins->dreg, 0, s390_r13, 4);
2881 s390_lgr (code, s390_r1, ins->sreg1);
2882 s390_dsgr (code, s390_r0, ins->sreg2);
2883 s390_lgr (code, ins->dreg, s390_r1);
2887 s390_lgr (code, s390_r1, ins->sreg1);
2888 s390_lghi (code, s390_r0, 0);
2889 s390_dlgr (code, s390_r0, ins->sreg2);
2890 s390_lgr (code, ins->dreg, s390_r1);
2894 if (s390_is_imm16 (ins->inst_imm)) {
2895 s390_lghi (code, s390_r13, ins->inst_imm);
2896 s390_lgr (code, s390_r1, ins->sreg1);
2898 s390_basr (code, s390_r13, 0);
2900 s390_llong(code, ins->inst_imm);
2901 s390_lgr (code, s390_r1, ins->sreg1);
2902 s390_lg (code, s390_r13, 0, s390_r13, 4);
2904 s390_dsgr (code, s390_r0, s390_r13);
2905 s390_lgr (code, ins->dreg, s390_r1);
2909 s390_lgr (code, s390_r1, ins->sreg1);
2910 s390_dsgr (code, s390_r0, ins->sreg2);
2911 s390_lgr (code, ins->dreg, s390_r0);
2915 s390_lgr (code, s390_r1, ins->sreg1);
2916 s390_lghi (code, s390_r0, 0);
2917 s390_dlgr (code, s390_r0, ins->sreg2);
2918 s390_lgr (code, ins->dreg, s390_r0);
2922 if (s390_is_imm16 (ins->inst_imm)) {
2923 s390_lghi (code, s390_r13, ins->inst_imm);
2924 s390_lgr (code, s390_r0, ins->sreg1);
2926 s390_basr (code, s390_r13, 0);
2928 s390_llong(code, ins->inst_imm);
2929 s390_lgr (code, s390_r0, ins->sreg1);
2930 s390_lg (code, s390_r13, 0, s390_r13, 4);
2932 s390_dsgr(code, s390_r0, s390_r13);
2933 s390_lgr (code, ins->dreg, s390_r0);
2937 if (ins->sreg1 == ins->dreg) {
2938 s390_ogr (code, ins->dreg, ins->sreg2);
2941 if (ins->sreg2 == ins->dreg) {
2942 s390_ogr (code, ins->dreg, ins->sreg1);
2945 s390_lgr (code, ins->dreg, ins->sreg1);
2946 s390_ogr (code, ins->dreg, ins->sreg2);
2952 if (ins->dreg != ins->sreg1) {
2953 s390_lgr (code, ins->dreg, ins->sreg1);
2955 if (s390_is_imm16 (ins->inst_imm)) {
2956 s390_lghi (code, s390_r0, ins->inst_imm);
2957 s390_ogr (code, ins->dreg, s390_r0);
2959 s390_basr (code, s390_r13, 0);
2961 s390_llong(code, ins->inst_imm);
2962 s390_og (code, ins->dreg, 0, s390_r13, 4);
2967 if (ins->sreg1 == ins->dreg) {
2968 s390_xgr (code, ins->dreg, ins->sreg2);
2971 if (ins->sreg2 == ins->dreg) {
2972 s390_xgr (code, ins->dreg, ins->sreg1);
2975 s390_lgr (code, ins->dreg, ins->sreg1);
2976 s390_xgr (code, ins->dreg, ins->sreg2);
2982 if (ins->dreg != ins->sreg1) {
2983 s390_lgr (code, ins->dreg, ins->sreg1);
2985 if (s390_is_imm16 (ins->inst_imm)) {
2986 s390_lghi (code, s390_r0, ins->inst_imm);
2987 s390_xgr (code, ins->dreg, s390_r0);
2989 s390_basr (code, s390_r13, 0);
2991 s390_llong(code, ins->inst_imm);
2992 s390_xg (code, ins->dreg, 0, s390_r13, 4);
2999 s390_sllg (code, ins->dreg, ins->dreg, src2, 0);
3004 if (ins->sreg1 != ins->dreg) {
3005 s390_lgr (code, ins->dreg, ins->sreg1);
3007 s390_sllg (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3013 s390_srag (code, ins->dreg, ins->dreg, src2, 0);
3018 if (ins->sreg1 != ins->dreg) {
3019 s390_lgr (code, ins->dreg, ins->sreg1);
3021 s390_srag (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3025 case OP_LSHR_UN_IMM: {
3026 if (ins->sreg1 != ins->dreg) {
3027 s390_lgr (code, ins->dreg, ins->sreg1);
3029 s390_srlg (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3035 s390_srlg (code, ins->dreg, ins->dreg, src2, 0);
3039 if (ins->sreg1 != ins->dreg) {
3040 s390_lgr (code, ins->dreg, ins->sreg1);
3042 s390_lghi (code, s390_r0, -1);
3043 s390_xgr (code, ins->dreg, s390_r0);
3047 s390_lcgr (code, ins->dreg, ins->sreg1);
3053 s390_msgr (code, ins->dreg, src2);
3058 if (ins->dreg != ins->sreg1) {
3059 s390_lgr (code, ins->dreg, ins->sreg1);
3061 if (s390_is_imm16 (ins->inst_imm)) {
3062 s390_lghi (code, s390_r13, ins->inst_imm);
3064 s390_basr (code, s390_r13, 0);
3066 s390_llong(code, ins->inst_imm);
3067 s390_lg (code, s390_r13, 0, s390_r13, 4);
3069 s390_msgr (code, ins->dreg, s390_r13);
3075 s390_ltgr (code, s390_r1, ins->sreg1);
3076 s390_jz (code, 0); CODEPTR(code, o[0]);
3077 s390_ltgr (code, s390_r0, ins->sreg2);
3079 s390_lghi (code, s390_r1, 0);
3080 s390_j (code, 0); CODEPTR(code, o[1]);
3081 s390_xgr (code, s390_r0, s390_r1);
3082 s390_msgr (code, s390_r1, ins->sreg2);
3083 s390_xgr (code, s390_r0, s390_r1);
3084 s390_srlg (code, s390_r0, s390_r0, 0, 63);
3085 s390_ltgr (code, s390_r0, s390_r0);
3086 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3087 PTRSLOT (code, o[0]);
3088 PTRSLOT (code, o[1]);
3089 s390_lgr (code, ins->dreg, s390_r1);
3092 case OP_LMUL_OVF_UN:
3093 case CEE_MUL_OVF_UN: {
3094 s390_lghi (code, s390_r0, 0);
3095 s390_lgr (code, s390_r1, ins->sreg1);
3096 s390_mlgr (code, s390_r0, ins->sreg2);
3097 s390_ltgr (code, s390_r0, s390_r0);
3098 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3099 s390_lgr (code, ins->dreg, s390_r1);
3103 g_assert_not_reached ();
3105 s390_algr (code, ins->dreg, src2);
3110 s390_agr (code, ins->dreg, src2);
3114 g_assert_not_reached ();
3116 s390_alcgr (code, ins->dreg, src2);
3120 if (ins->dreg != ins->sreg1) {
3121 s390_lgfr (code, ins->dreg, ins->sreg1);
3123 if (s390_is_imm16 (ins->inst_imm)) {
3124 s390_aghi(code, ins->dreg, ins->inst_imm);
3126 s390_basr (code, s390_r13, 0);
3128 s390_word (code, ins->inst_imm);
3129 s390_agf (code, ins->dreg, 0, s390_r13, 4);
3134 if (ins->dreg != ins->sreg1) {
3135 s390_lgfr (code, ins->dreg, ins->sreg1);
3137 if (s390_is_imm16 (ins->inst_imm)) {
3138 s390_lghi (code, s390_r0, ins->inst_imm);
3139 s390_alcgr (code, ins->dreg, s390_r0);
3141 s390_basr (code, s390_r13, 0);
3143 s390_word (code, ins->inst_imm);
3144 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3145 s390_alcgr (code, ins->dreg, s390_r13);
3151 s390_ar (code, ins->dreg, src2);
3152 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3153 s390_lgfr (code, ins->dreg, ins->dreg);
3156 case CEE_ADD_OVF_UN: {
3158 s390_algr (code, ins->dreg, src2);
3159 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3160 s390_llgfr (code, ins->dreg, ins->dreg);
3164 CHECK_SRCDST_NCOM_I;
3165 s390_slgr (code, ins->dreg, src2);
3169 CHECK_SRCDST_NCOM_I;
3170 s390_sgr (code, ins->dreg, src2);
3174 CHECK_SRCDST_NCOM_I;
3175 s390_slbgr (code, ins->dreg, src2);
3179 if (ins->dreg != ins->sreg1) {
3180 s390_lgfr (code, ins->dreg, ins->sreg1);
3182 if (s390_is_imm16 (-ins->inst_imm)) {
3183 s390_aghi (code, ins->dreg, -ins->inst_imm);
3185 s390_basr (code, s390_r13, 0);
3187 s390_word (code, ins->inst_imm);
3188 s390_sgf (code, ins->dreg, 0, s390_r13, 4);
3193 s390_basr (code, s390_r13, 0);
3195 s390_word (code, ins->inst_imm);
3196 s390_slgf (code, ins->dreg, 0, s390_r13, 4);
3201 s390_sr (code, ins->dreg, src2);
3202 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3203 s390_lgfr (code, ins->dreg, ins->dreg);
3206 case CEE_SUB_OVF_UN: {
3208 s390_slr (code, ins->dreg, src2);
3209 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3210 s390_llgfr(code, ins->dreg, ins->dreg);
3214 CHECK_SRCDST_NCOM_I;
3215 s390_ngr (code, ins->dreg, src2);
3219 if (ins->dreg != ins->sreg1) {
3220 s390_lgfr (code, ins->dreg, ins->sreg1);
3222 if (s390_is_imm16 (ins->inst_imm)) {
3223 s390_lghi (code, s390_r0, ins->inst_imm);
3224 s390_ngr (code, ins->dreg, s390_r0);
3226 s390_basr (code, s390_r13, 0);
3228 s390_llong(code, ins->inst_imm);
3229 s390_ng (code, ins->dreg, 0, s390_r13, 4);
3234 s390_lgfr (code, s390_r0, ins->sreg1);
3235 s390_srda (code, s390_r0, 0, 32);
3236 s390_dr (code, s390_r0, ins->sreg2);
3237 s390_lgfr (code, ins->dreg, s390_r1);
3241 s390_lgfr (code, s390_r0, ins->sreg1);
3242 s390_srdl (code, s390_r0, 0, 32);
3243 s390_dlr (code, s390_r0, ins->sreg2);
3244 s390_lgfr (code, ins->dreg, s390_r1);
3248 if (s390_is_imm16 (ins->inst_imm)) {
3249 s390_lghi (code, s390_r13, ins->inst_imm);
3250 s390_lgfr (code, s390_r0, ins->sreg1);
3252 s390_basr (code, s390_r13, 0);
3254 s390_word (code, ins->inst_imm);
3255 s390_lgfr (code, s390_r0, ins->sreg1);
3256 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3258 s390_srda (code, s390_r0, 0, 32);
3259 s390_dr (code, s390_r0, ins->sreg2);
3260 s390_lgfr (code, ins->dreg, s390_r1);
3264 s390_lgfr (code, s390_r0, ins->sreg1);
3265 s390_srda (code, s390_r0, 0, 32);
3266 s390_dr (code, s390_r0, ins->sreg2);
3267 s390_lgfr (code, ins->dreg, s390_r0);
3270 s390_lgfr (code, s390_r0, ins->sreg1);
3271 s390_srdl (code, s390_r0, 0, 32);
3272 s390_dlr (code, s390_r0, ins->sreg2);
3273 s390_lgfr (code, ins->dreg, s390_r0);
3277 if (s390_is_imm16 (ins->inst_imm)) {
3278 s390_lghi (code, s390_r13, ins->inst_imm);
3279 s390_lgfr (code, s390_r0, ins->sreg1);
3281 s390_basr (code, s390_r13, 0);
3283 s390_word (code, ins->inst_imm);
3284 s390_lgfr (code, s390_r0, ins->sreg1);
3285 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3287 s390_srda (code, s390_r0, 0, 32);
3288 s390_dr (code, s390_r0, ins->sreg2);
3289 s390_lgfr (code, ins->dreg, s390_r0);
3294 s390_ogr (code, ins->dreg, src2);
3298 if (ins->dreg != ins->sreg1) {
3299 s390_lgfr (code, ins->dreg, ins->sreg1);
3301 if (s390_is_imm16 (ins->inst_imm)) {
3302 s390_lghi (code, s390_r0, ins->inst_imm);
3303 s390_ogr (code, ins->dreg, s390_r0);
3305 s390_basr (code, s390_r13, 0);
3307 s390_llong(code, ins->inst_imm);
3308 s390_og (code, ins->dreg, 0, s390_r13, 4);
3314 s390_xgr (code, ins->dreg, src2);
3318 if (ins->dreg != ins->sreg1) {
3319 s390_lgfr (code, ins->dreg, ins->sreg1);
3321 if (s390_is_imm16 (ins->inst_imm)) {
3322 s390_lghi (code, s390_r0, ins->inst_imm);
3323 s390_xgr (code, ins->dreg, s390_r0);
3325 s390_basr (code, s390_r13, 0);
3327 s390_llong(code, ins->inst_imm);
3328 s390_xg (code, ins->dreg, 0, s390_r13, 4);
3333 if (ins->sreg1 != ins->dreg) {
3334 s390_lgfr (code, ins->dreg, ins->sreg1);
3336 s390_sll (code, ins->dreg, ins->sreg2, 0);
3340 if (ins->sreg1 != ins->dreg) {
3341 s390_lgfr (code, ins->dreg, ins->sreg1);
3343 s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3347 if (ins->sreg1 != ins->dreg) {
3348 s390_lgfr (code, ins->dreg, ins->sreg1);
3350 s390_sra (code, ins->dreg, ins->sreg2, 0);
3354 if (ins->sreg1 != ins->dreg) {
3355 s390_lgfr (code, ins->dreg, ins->sreg1);
3357 s390_sra (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3360 case OP_ISHR_UN_IMM: {
3361 if (ins->sreg1 != ins->dreg) {
3362 s390_lgfr (code, ins->dreg, ins->sreg1);
3364 s390_srl (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3368 if (ins->sreg1 != ins->dreg) {
3369 s390_lgfr (code, ins->dreg, ins->sreg1);
3371 s390_srl (code, ins->dreg, ins->sreg2, 0);
3375 if (ins->sreg1 != ins->dreg) {
3376 s390_lgfr (code, ins->dreg, ins->sreg1);
3378 s390_lghi (code, s390_r0, -1);
3379 s390_xgr (code, ins->dreg, s390_r0);
3383 s390_lcgr (code, ins->dreg, ins->sreg1);
3388 s390_msr (code, ins->dreg, src2);
3392 if (ins->dreg != ins->sreg1) {
3393 s390_lgfr (code, ins->dreg, ins->sreg1);
3395 if (s390_is_imm16 (ins->inst_imm)) {
3396 s390_lghi (code, s390_r13, ins->inst_imm);
3398 s390_basr (code, s390_r13, 0);
3400 s390_word (code, ins->inst_imm);
3401 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3403 s390_msr (code, ins->dreg, s390_r13);
3408 s390_ltr (code, s390_r1, ins->sreg1);
3409 s390_jz (code, 0); CODEPTR(code, o[0]);
3410 s390_ltr (code, s390_r0, ins->sreg2);
3412 s390_lhi (code, s390_r1, 0);
3413 s390_j (code, 0); CODEPTR(code, o[1]);
3414 s390_xr (code, s390_r0, s390_r1);
3415 s390_msr (code, s390_r1, ins->sreg2);
3416 s390_xr (code, s390_r0, s390_r1);
3417 s390_srl (code, s390_r0, 0, 31);
3418 s390_ltr (code, s390_r0, s390_r0);
3419 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3420 PTRSLOT (code, o[0]);
3421 PTRSLOT (code, o[1]);
3422 s390_lgfr (code, ins->dreg, s390_r1);
3425 case OP_IMUL_OVF_UN: {
3426 s390_lhi (code, s390_r0, 0);
3427 s390_lr (code, s390_r1, ins->sreg1);
3428 s390_mlr (code, s390_r0, ins->sreg2);
3429 s390_ltr (code, s390_r0, s390_r0);
3430 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3431 s390_lgfr (code, ins->dreg, s390_r1);
3436 case OP_SETREGIMM: {
3437 if (s390_is_imm16(ins->inst_c0)) {
3438 s390_lghi (code, ins->dreg, ins->inst_c0);
3440 s390_basr (code, s390_r13, 0);
3442 s390_llong(code, ins->inst_c0);
3443 s390_lg (code, ins->dreg, 0, s390_r13, 4);
3448 s390_basr (code, s390_r13, 0);
3450 mono_add_patch_info (cfg, code - cfg->native_code,
3451 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3452 s390_llong(code, 0);
3453 s390_lg (code,ins->dreg, 0, s390_r13, 4);
3460 if (ins->dreg != ins->sreg1) {
3461 s390_lgr (code, ins->dreg, ins->sreg1);
3466 s390_lgfr (code, ins->dreg, ins->sreg1);
3471 s390_llgfr (code, ins->dreg, ins->sreg1);
3473 case CEE_CONV_OVF_U4:
3474 s390_basr (code, s390_r13, 0);
3476 s390_llong(code, 4294967295);
3477 s390_clg (code, ins->sreg1, 0, s390_r13, 4);
3478 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, "OverflowException");
3479 s390_ltgr (code, ins->sreg1, ins->sreg1);
3480 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
3481 s390_llgfr(code, ins->dreg, ins->sreg1);
3483 case CEE_CONV_OVF_I4_UN:
3484 s390_basr (code, s390_r13, 0);
3486 s390_llong(code, 2147483647);
3487 s390_cg (code, ins->sreg1, 0, s390_r13, 4);
3488 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, "OverflowException");
3489 s390_ltgr (code, ins->sreg1, ins->sreg1);
3490 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
3491 s390_lgfr (code, ins->dreg, ins->sreg1);
3495 if (ins->dreg != ins->sreg1) {
3496 s390_ldr (code, ins->dreg, ins->sreg1);
3500 case OP_S390_SETF4RET: {
3501 s390_ledbr (code, ins->dreg, ins->sreg1);
3504 case OP_FCONV_TO_R4: {
3505 g_error ("Shouldn't be reached");
3507 (ins->next->opcode != OP_FMOVE) &&
3508 (ins->next->opcode != OP_STORER4_MEMBASE_REG))
3509 s390_ledbr (code, ins->dreg, ins->sreg1);
3513 if (cfg->method->save_lmf)
3514 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
3516 if (cfg->flags & MONO_CFG_HAS_TAIL) {
3517 code = emit_load_volatile_registers(code, cfg);
3520 code = backUpStackPtr(cfg, code);
3521 s390_lg (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
3522 mono_add_patch_info (cfg, code - cfg->native_code,
3523 MONO_PATCH_INFO_METHOD_JUMP,
3525 s390_jcl (code, S390_CC_UN, 0);
3528 case OP_CHECK_THIS: {
3529 /* ensure ins->sreg1 is not NULL */
3530 s390_lg (code, s390_r0, 0, ins->sreg1, 0);
3531 s390_ltgr (code, s390_r0, s390_r0);
3535 int offset = cfg->sig_cookie + cfg->stack_usage;
3537 if (s390_is_imm16 (offset))
3538 s390_lghi (code, s390_r0, offset);
3540 s390_basr (code, s390_r13, 0);
3542 s390_llong(code, offset);
3543 s390_lg (code, s390_r0, 0, s390_r13, 0);
3545 s390_agr (code, s390_r0, cfg->frame_reg);
3546 s390_stg (code, s390_r0, 0, ins->sreg1, 0);
3550 s390_basr (code, s390_r13, 0);
3552 call = (MonoCallInst*)ins;
3553 if (ins->flags & MONO_INST_HAS_METHOD)
3554 mono_add_patch_info (cfg, code-cfg->native_code,
3555 MONO_PATCH_INFO_METHOD,
3558 mono_add_patch_info (cfg, code-cfg->native_code,
3559 MONO_PATCH_INFO_ABS,
3561 s390_llong(code, 0);
3562 s390_lg (code, s390_r14, 0, s390_r13, 4);
3563 s390_basr (code, s390_r14, s390_r14);
3564 if (call->signature->ret->type == MONO_TYPE_R4)
3565 s390_ldebr (code, s390_f0, s390_f0);
3572 s390_basr (code, s390_r13, 0);
3574 call = (MonoCallInst*)ins;
3575 if (ins->flags & MONO_INST_HAS_METHOD)
3576 mono_add_patch_info (cfg, code-cfg->native_code,
3577 MONO_PATCH_INFO_METHOD,
3580 mono_add_patch_info (cfg, code-cfg->native_code,
3581 MONO_PATCH_INFO_ABS,
3583 s390_llong(code, 0);
3584 s390_lg (code, s390_r14, 0, s390_r13, 4);
3585 s390_basr (code, s390_r14, s390_r14);
3588 case OP_FCALL_REG: {
3589 call = (MonoCallInst*)ins;
3590 s390_lgr (code, s390_r1, ins->sreg1);
3591 s390_basr (code, s390_r14, s390_r1);
3592 if (call->signature->ret->type == MONO_TYPE_R4)
3593 s390_ldebr (code, s390_f0, s390_f0);
3598 case OP_VOIDCALL_REG:
3600 s390_lgr (code, s390_r1, ins->sreg1);
3601 s390_basr (code, s390_r14, s390_r1);
3604 case OP_FCALL_MEMBASE: {
3605 call = (MonoCallInst*)ins;
3606 s390_lg (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
3607 s390_basr (code, s390_r14, s390_r1);
3608 if (call->signature->ret->type == MONO_TYPE_R4)
3609 s390_ldebr (code, s390_f0, s390_f0);
3612 case OP_LCALL_MEMBASE:
3613 case OP_VCALL_MEMBASE:
3614 case OP_VOIDCALL_MEMBASE:
3615 case OP_CALL_MEMBASE: {
3616 s390_lg (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
3617 s390_basr (code, s390_r14, s390_r1);
3621 g_assert_not_reached ();
3624 int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
3625 int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
3626 s390_lgr (code, s390_r1, ins->sreg1);
3627 if (ins->flags & MONO_INST_INIT)
3628 s390_lgr (code, s390_r0, ins->sreg1);
3629 s390_aghi (code, s390_r1, 14);
3630 s390_srlg (code, s390_r1, s390_r1, 0, 3);
3631 s390_sllg (code, s390_r1, s390_r1, 0, 3);
3632 if (cfg->method->save_lmf) {
3633 /*----------------------------------*/
3634 /* we have to adjust lmf ebp value */
3635 /*----------------------------------*/
3636 int lmfOffset = cfg->stack_usage - sizeof(MonoLMF);
3638 s390_lgr (code, s390_r13, cfg->frame_reg);
3639 if (s390_is_uimm16(lmfOffset))
3640 s390_aghi (code, s390_r13, lmfOffset);
3642 s390_basr (code, s390_r14, 0);
3644 s390_word (code, lmfOffset);
3645 s390_agf (code, s390_r13, 0, s390_r14, 4);
3647 s390_lgr (code, s390_r14, STK_BASE);
3648 s390_sgr (code, s390_r14, s390_r1);
3649 s390_stg (code, s390_r14, 0, s390_r13,
3650 G_STRUCT_OFFSET(MonoLMF, ebp));
3652 s390_lg (code, s390_r13, 0, STK_BASE, 0);
3653 s390_sgr (code, STK_BASE, s390_r1);
3654 s390_stg (code, s390_r13, 0, STK_BASE, 0);
3655 s390_la (code, ins->dreg, 0, STK_BASE, area_offset);
3656 s390_srlg (code, ins->dreg, ins->dreg, 0, 3);
3657 s390_sllg (code, ins->dreg, ins->dreg, 0, 3);
3658 if (ins->flags & MONO_INST_INIT) {
3659 s390_lgr (code, s390_r1, s390_r0);
3660 s390_lgr (code, s390_r0, ins->dreg);
3661 s390_lgr (code, s390_r14, s390_r12);
3662 s390_lghi (code, s390_r13, 0);
3663 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
3665 s390_lgr (code, s390_r12, s390_r14);
3670 s390_br (code, s390_r14);
3674 s390_lgr (code, s390_r2, ins->sreg1);
3675 s390_basr (code, s390_r13, 0);
3677 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
3678 (gpointer) "mono_arch_throw_exception");
3679 s390_llong(code, 0);
3680 s390_lg (code, s390_r14, 0, s390_r13, 4);
3681 s390_basr (code, s390_r14, s390_r14);
3685 s390_lgr (code, s390_r2, ins->sreg1);
3686 s390_basr (code, s390_r13, 0);
3688 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
3689 (gpointer) "mono_arch_rethrow_exception");
3690 s390_llong(code, 0);
3691 s390_lg (code, s390_r14, 0, s390_r13, 4);
3692 s390_basr (code, s390_r14, s390_r14);
3695 case OP_START_HANDLER: {
3696 S390_LONG (code, stg, stg, s390_r14, 0,
3697 ins->inst_left->inst_basereg,
3698 ins->inst_left->inst_offset);
3701 case OP_ENDFILTER: {
3702 if (ins->sreg1 != s390_r2)
3703 s390_lgr(code, s390_r2, ins->sreg1);
3704 S390_LONG (code, lg, lg, s390_r14, 0,
3705 ins->inst_left->inst_basereg,
3706 ins->inst_left->inst_offset);
3707 s390_br (code, s390_r14);
3710 case OP_ENDFINALLY: {
3711 S390_LONG (code, lg, lg, s390_r14, 0,
3712 ins->inst_left->inst_basereg,
3713 ins->inst_left->inst_offset);
3714 s390_br (code, s390_r14);
3717 case OP_CALL_HANDLER: {
3718 mono_add_patch_info (cfg, code-cfg->native_code,
3719 MONO_PATCH_INFO_BB, ins->inst_target_bb);
3720 s390_brasl (code, s390_r14, 0);
3724 ins->inst_c0 = code - cfg->native_code;
3728 EMIT_UNCOND_BRANCH(ins);
3731 s390_br (code, ins->sreg1);
3736 s390_lghi(code, ins->dreg, 1);
3738 s390_lghi(code, ins->dreg, 0);
3743 s390_lghi(code, ins->dreg, 1);
3745 s390_lghi(code, ins->dreg, 0);
3750 s390_lghi(code, ins->dreg, 1);
3752 s390_lghi(code, ins->dreg, 0);
3757 s390_lghi(code, ins->dreg, 1);
3759 s390_lghi(code, ins->dreg, 0);
3764 s390_lghi(code, ins->dreg, 1);
3766 s390_lghi(code, ins->dreg, 0);
3769 case OP_COND_EXC_EQ:
3770 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
3772 case OP_COND_EXC_NE_UN:
3773 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
3775 case OP_COND_EXC_LT:
3776 case OP_COND_EXC_LT_UN:
3777 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
3779 case OP_COND_EXC_GT:
3780 case OP_COND_EXC_GT_UN:
3781 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
3783 case OP_COND_EXC_GE:
3784 case OP_COND_EXC_GE_UN:
3785 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
3787 case OP_COND_EXC_LE:
3788 case OP_COND_EXC_LE_UN:
3789 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
3791 case OP_COND_EXC_OV:
3792 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
3794 case OP_COND_EXC_NO:
3795 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
3798 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
3800 case OP_COND_EXC_NC:
3801 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
3805 EMIT_COND_BRANCH (ins, S390_CC_EQ);
3809 EMIT_COND_BRANCH (ins, S390_CC_NE);
3815 EMIT_COND_BRANCH (ins, S390_CC_LT);
3821 EMIT_COND_BRANCH (ins, S390_CC_GT);
3827 EMIT_COND_BRANCH (ins, S390_CC_GE);
3833 EMIT_COND_BRANCH (ins, S390_CC_LE);
3836 /* floating point opcodes */
3838 if (*((float *) ins->inst_p0) == 0) {
3839 s390_lzdr (code, ins->dreg);
3841 s390_basr (code, s390_r13, 0);
3843 s390_llong (code, ins->inst_p0);
3844 s390_lg (code, s390_r13, 0, s390_r13, 4);
3845 s390_ld (code, ins->dreg, 0, s390_r13, 0);
3850 if (*((float *) ins->inst_p0) == 0) {
3851 s390_lzdr (code, ins->dreg);
3853 s390_basr (code, s390_r13, 0);
3855 s390_llong(code, ins->inst_p0);
3856 s390_lg (code, s390_r13, 0, s390_r13, 4);
3857 s390_ldeb (code, ins->dreg, 0, s390_r13, 0);
3861 case OP_STORER8_MEMBASE_REG: {
3862 S390_LONG (code, stdy, std, ins->sreg1, 0,
3863 ins->inst_destbasereg, ins->inst_offset);
3866 case OP_LOADR8_MEMBASE: {
3867 S390_LONG (code, ldy, ld, ins->dreg, 0,
3868 ins->inst_basereg, ins->inst_offset);
3871 case OP_STORER4_MEMBASE_REG: {
3872 s390_ledbr (code, s390_f15, ins->sreg1);
3873 S390_LONG (code, stey, ste, s390_f15, 0,
3874 ins->inst_destbasereg, ins->inst_offset);
3877 case OP_LOADR4_MEMBASE: {
3878 S390_LONG (code, ldy, ld, s390_f15, 0,
3879 ins->inst_basereg, ins->inst_offset);
3880 s390_ldebr (code, ins->dreg, s390_f15);
3883 case CEE_CONV_R_UN: {
3884 s390_cdgbr (code, ins->dreg, ins->sreg1);
3885 s390_ltgr (code, ins->sreg1, ins->sreg1);
3886 s390_jnl (code, 12);
3887 s390_basr (code, s390_r13, 0);
3889 s390_word (code, 0x41f00000);
3890 s390_word (code, 0);
3891 s390_adb (code, ins->dreg, 0, s390_r13, 4);
3894 case OP_LCONV_TO_R4:
3896 s390_cdgbr (code, ins->dreg, ins->sreg1);
3899 case OP_LCONV_TO_R8:
3901 s390_cdgbr (code, ins->dreg, ins->sreg1);
3904 case OP_FCONV_TO_I1:
3905 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, TRUE);
3907 case OP_FCONV_TO_U1:
3908 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, FALSE);
3910 case OP_FCONV_TO_I2:
3911 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, TRUE);
3913 case OP_FCONV_TO_U2:
3914 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, FALSE);
3916 case OP_FCONV_TO_I4:
3918 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, TRUE);
3920 case OP_FCONV_TO_U4:
3922 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, FALSE);
3924 case OP_FCONV_TO_I8:
3925 s390_cgdbr (code, ins->dreg, 5, ins->sreg1);
3927 case OP_FCONV_TO_U8:
3928 g_assert_not_reached ();
3929 /* Implemented as helper calls */
3931 case OP_LCONV_TO_R_UN:
3932 g_assert_not_reached ();
3933 /* Implemented as helper calls */
3935 case OP_LCONV_TO_OVF_I: {
3936 /* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
3938 s390_ltgr (code, ins->sreg2, ins->sreg2);
3939 s390_jnl (code, 0); CODEPTR(code, o[0]);
3940 s390_ltgr (code, ins->sreg1, ins->sreg1);
3941 s390_jnl (code, 0); CODEPTR(code, o[1]);
3942 s390_lhi (code, s390_r13, -1);
3943 s390_cgr (code, ins->sreg1, s390_r13);
3944 s390_jnz (code, 0); CODEPTR(code, o[2]);
3945 if (ins->dreg != ins->sreg2)
3946 s390_lgr (code, ins->dreg, ins->sreg2);
3947 s390_j (code, 0); CODEPTR(code, o[3]);
3948 PTRSLOT(code, o[0]);
3949 s390_jz (code, 0); CODEPTR(code, o[4]);
3950 PTRSLOT(code, o[1]);
3951 PTRSLOT(code, o[2]);
3952 mono_add_patch_info (cfg, code - cfg->native_code,
3953 MONO_PATCH_INFO_EXC, "OverflowException");
3954 s390_brasl (code, s390_r14, 0);
3955 PTRSLOT(code, o[3]);
3956 PTRSLOT(code, o[4]);
3960 s390_lpdbr (code, ins->dreg, ins->sreg1);
3964 s390_sqdbr (code, ins->dreg, ins->sreg1);
3969 s390_adbr (code, ins->dreg, src2);
3973 CHECK_SRCDST_NCOM_F;
3974 s390_sdbr (code, ins->dreg, src2);
3979 s390_mdbr (code, ins->dreg, src2);
3983 CHECK_SRCDST_NCOM_F;
3984 s390_ddbr (code, ins->dreg, src2);
3988 s390_lcdbr (code, ins->dreg, ins->sreg1);
3992 CHECK_SRCDST_NCOM_F;
3993 s390_didbr (code, ins->dreg, src2, 5, s390_f15);
3997 s390_cdbr (code, ins->sreg1, ins->sreg2);
4001 s390_cdbr (code, ins->sreg1, ins->sreg2);
4002 s390_lghi (code, ins->dreg, 1);
4004 s390_lghi (code, ins->dreg, 0);
4008 s390_cdbr (code, ins->sreg1, ins->sreg2);
4009 s390_lghi (code, ins->dreg, 1);
4011 s390_lghi (code, ins->dreg, 0);
4015 s390_cdbr (code, ins->sreg1, ins->sreg2);
4016 s390_lghi (code, ins->dreg, 1);
4018 s390_lghi (code, ins->dreg, 0);
4022 s390_cdbr (code, ins->sreg1, ins->sreg2);
4023 s390_lghi (code, ins->dreg, 1);
4025 s390_lghi (code, ins->dreg, 0);
4029 s390_cdbr (code, ins->sreg1, ins->sreg2);
4030 s390_lghi (code, ins->dreg, 1);
4032 s390_lghi (code, ins->dreg, 0);
4037 s390_jo (code, 0); CODEPTR(code, o);
4038 EMIT_COND_BRANCH (ins, S390_CC_EQ);
4043 EMIT_COND_BRANCH (ins, S390_CC_NE|S390_CC_OV);
4047 s390_jo (code, 0); CODEPTR(code, o);
4048 EMIT_COND_BRANCH (ins, S390_CC_LT);
4053 EMIT_COND_BRANCH (ins, S390_CC_LT|S390_CC_OV);
4057 s390_jo (code, 0); CODEPTR(code, o);
4058 EMIT_COND_BRANCH (ins, S390_CC_GT);
4063 EMIT_COND_BRANCH (ins, S390_CC_GT|S390_CC_OV);
4067 s390_jo (code, 0); CODEPTR(code, o);
4068 EMIT_COND_BRANCH (ins, S390_CC_GE);
4073 EMIT_COND_BRANCH (ins, S390_CC_GE|S390_CC_OV);
4077 s390_jo (code, 0); CODEPTR(code, o);
4078 EMIT_COND_BRANCH (ins, S390_CC_LE);
4083 EMIT_COND_BRANCH (ins, S390_CC_LE|S390_CC_OV);
4087 s390_lhi (code, s390_r13, 0x7f);
4088 s390_tcdb (code, ins->sreg1, 0, s390_r13, 0);
4089 s390_jz (code, 0); CODEPTR(code, o);
4090 mono_add_patch_info (cfg, code - cfg->native_code,
4091 MONO_PATCH_INFO_EXC, "ArithmeticException");
4092 s390_brasl (code, s390_r14,0);
4096 case OP_S390_MOVE: {
4097 if (ins->backend.size > 0) {
4098 if (ins->backend.size <= 256) {
4099 s390_mvc (code, ins->backend.size, ins->dreg,
4100 ins->inst_offset, ins->sreg1, ins->inst_imm);
4102 s390_lgr (code, s390_r0, ins->dreg);
4103 if (s390_is_imm16 (ins->inst_offset)) {
4104 s390_aghi (code, s390_r0, ins->inst_offset);
4106 s390_basr (code, s390_r13, 0);
4108 s390_llong(code, ins->inst_offset);
4109 s390_a (code, s390_r0, 0, s390_r13, 4);
4111 s390_lgr (code, s390_r12, ins->sreg1);
4112 if (s390_is_imm16 (ins->inst_imm)) {
4113 s390_aghi (code, s390_r12, ins->inst_imm);
4115 s390_basr (code, s390_r13, 0);
4117 s390_llong(code, ins->inst_imm);
4118 s390_ag (code, s390_r12, 0, s390_r13, 4);
4120 s390_lgr (code, s390_r1, ins->sreg1);
4121 s390_lgr (code, s390_r13, s390_r1);
4122 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
4128 case OP_ATOMIC_ADD_I8: {
4129 s390_lgr (code, s390_r1, ins->sreg2);
4130 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4131 s390_agr (code, s390_r1, s390_r0);
4132 s390_csg (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4133 s390_jnz (code, -10);
4134 s390_lgr (code, ins->dreg, s390_r1);
4137 case OP_ATOMIC_ADD_NEW_I8: {
4138 s390_lgr (code, s390_r1, ins->sreg2);
4139 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4140 s390_agr (code, s390_r1, s390_r0);
4141 s390_csg (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4142 s390_jnz (code, -10);
4143 s390_lgr (code, ins->dreg, s390_r1);
4146 case OP_ATOMIC_EXCHANGE_I8: {
4147 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4148 s390_csg (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
4149 s390_jnz (code, -6);
4150 s390_lgr (code, ins->dreg, s390_r0);
4153 case OP_ATOMIC_ADD_I4: {
4154 s390_lgfr(code, s390_r1, ins->sreg2);
4155 s390_lgf (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4156 s390_agr (code, s390_r1, s390_r0);
4157 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4158 s390_jnz (code, -9);
4159 s390_lgfr(code, ins->dreg, s390_r1);
4162 case OP_ATOMIC_ADD_NEW_I4: {
4163 s390_lgfr(code, s390_r1, ins->sreg2);
4164 s390_lgf (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4165 s390_agr (code, s390_r1, s390_r0);
4166 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4167 s390_jnz (code, -9);
4168 s390_lgfr(code, ins->dreg, s390_r1);
4171 case OP_ATOMIC_EXCHANGE_I4: {
4172 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4173 s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
4174 s390_jnz (code, -4);
4175 s390_lgfr(code, ins->dreg, s390_r0);
4178 case OP_S390_BKCHAIN: {
4179 s390_lgr (code, ins->dreg, ins->sreg1);
4180 if (s390_is_imm16 (cfg->stack_offset)) {
4181 s390_aghi (code, ins->dreg, cfg->stack_offset);
4183 s390_basr (code, s390_r13, 0);
4185 s390_llong(code, cfg->stack_offset);
4186 s390_ag (code, ins->dreg, 0, s390_r13, 4);
4190 case OP_MEMORY_BARRIER: {
4194 g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
4195 g_assert_not_reached ();
4198 if ((cfg->opt & MONO_OPT_BRANCH) && ((code - cfg->native_code - offset) > max_len)) {
4199 g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %ld)",
4200 mono_inst_name (ins->opcode), max_len, code - cfg->native_code - offset);
4201 g_assert_not_reached ();
4207 last_offset = offset;
4212 cfg->code_len = code - cfg->native_code;
4215 /*========================= End of Function ========================*/
4217 /*------------------------------------------------------------------*/
4219 /* Name - mono_arch_register_lowlevel_calls */
4221 /* Function - Register routines to help with --trace operation. */
4223 /*------------------------------------------------------------------*/
4226 mono_arch_register_lowlevel_calls (void)
4228 mono_register_jit_icall (mono_arch_break, "mono_arch_break", NULL, TRUE);
4229 mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
4232 /*========================= End of Function ========================*/
4234 /*------------------------------------------------------------------*/
4236 /* Name - mono_arch_break */
4238 /* Function - Process a "break" operation for debugging. */
4240 /*------------------------------------------------------------------*/
4243 mono_arch_break(void) {
4246 /*========================= End of Function ========================*/
4248 /*------------------------------------------------------------------*/
4250 /* Name - mono_arch_patch_code */
4252 /* Function - Process the patch data created during the */
4253 /* instruction build process. This resolves jumps, */
4254 /* calls, variables etc. */
4256 /*------------------------------------------------------------------*/
4259 mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
4260 guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
4262 MonoJumpInfo *patch_info;
4264 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
4265 unsigned char *ip = patch_info->ip.i + code;
4266 gconstpointer target = NULL;
4268 target = mono_resolve_patch_target (method, domain, code,
4269 patch_info, run_cctors);
4271 switch (patch_info->type) {
4272 case MONO_PATCH_INFO_IP:
4273 case MONO_PATCH_INFO_EXC_NAME:
4274 case MONO_PATCH_INFO_LDSTR:
4275 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
4276 case MONO_PATCH_INFO_LDTOKEN:
4277 case MONO_PATCH_INFO_EXC:
4278 case MONO_PATCH_INFO_ABS:
4279 case MONO_PATCH_INFO_METHOD:
4280 case MONO_PATCH_INFO_INTERNAL_METHOD:
4281 case MONO_PATCH_INFO_CLASS_INIT:
4282 s390_patch_addr (ip, (guint64) target);
4284 case MONO_PATCH_INFO_SWITCH:
4285 /*----------------------------------*/
4286 /* ip points at the basr r13,0/j +4 */
4287 /* instruction the vtable value */
4288 /* follows this (i.e. ip+6) */
4289 /*----------------------------------*/
4290 *((gconstpointer *)(ip+6)) = target;
4292 case MONO_PATCH_INFO_METHODCONST:
4293 case MONO_PATCH_INFO_CLASS:
4294 case MONO_PATCH_INFO_IMAGE:
4295 case MONO_PATCH_INFO_FIELD:
4296 case MONO_PATCH_INFO_IID:
4297 target = S390_RELATIVE(target, ip);
4298 s390_patch_rel (ip, (guint64) target);
4300 case MONO_PATCH_INFO_R4:
4301 case MONO_PATCH_INFO_R8:
4302 case MONO_PATCH_INFO_METHOD_REL:
4303 g_assert_not_reached ();
4306 target = S390_RELATIVE(target, ip);
4308 s390_patch_rel (ip, (guint64) target);
4313 /*========================= End of Function ========================*/
4315 /*------------------------------------------------------------------*/
4317 /* Name - emit_load_volatile_registers */
4319 /* Function - Emit the instructions to reload parameter regist- */
4320 /* registers for use with "tail" operations. */
4322 /* The register loading operations performed here */
4323 /* are the mirror of the store operations performed */
4324 /* in mono_arch_emit_prolog and need to be kept in */
4325 /* synchronization with it. */
4327 /*------------------------------------------------------------------*/
4330 emit_load_volatile_registers (guint8 *code, MonoCompile *cfg)
4333 MonoMethod *method = cfg->method;
4334 MonoMethodSignature *sig = mono_method_signature(method);
4339 cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
4341 if (cinfo->struct_ret) {
4342 ArgInfo *ainfo = &cinfo->ret;
4344 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4347 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4348 ArgInfo *ainfo = cinfo->args + i;
4349 inst = cfg->args [pos];
4351 if (inst->opcode == OP_REGVAR) {
4352 if (ainfo->regtype == RegTypeGeneral)
4353 s390_lgr (code, ainfo->reg, inst->dreg);
4354 else if (ainfo->regtype == RegTypeFP) {
4355 if (inst->dreg != ainfo->reg) {
4356 if (ainfo->size == 4) {
4357 s390_ldebr (code, ainfo->reg, inst->dreg);
4359 s390_ldr (code, ainfo->reg, inst->dreg);
4363 else if (ainfo->regtype == RegTypeBase) {
4365 g_assert_not_reached ();
4367 if (ainfo->regtype == RegTypeGeneral) {
4368 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4369 g_assert_not_reached();
4370 switch (ainfo->size) {
4372 s390_llgc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4375 s390_lgh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4378 s390_lgf (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4381 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4384 } else if (ainfo->regtype == RegTypeBase) {
4385 } else if (ainfo->regtype == RegTypeFP) {
4386 if (ainfo->size == 8)
4387 s390_ld (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4388 else if (ainfo->size == 4)
4389 s390_le (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4391 g_assert_not_reached ();
4392 } else if (ainfo->regtype == RegTypeStructByVal) {
4393 if (ainfo->reg != STK_BASE) {
4394 switch (ainfo->size) {
4396 s390_llgc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4399 s390_lgh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4402 s390_lgf (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4405 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4409 } else if (ainfo->regtype == RegTypeStructByAddr) {
4410 if (ainfo->reg != STK_BASE) {
4411 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4414 g_assert_not_reached ();
4424 /*========================= End of Function ========================*/
4426 /*------------------------------------------------------------------*/
4428 /* Name - mono_arch_emit_prolog */
4430 /* Function - Create the instruction sequence for a function */
4433 /*------------------------------------------------------------------*/
4436 mono_arch_emit_prolog (MonoCompile *cfg)
4438 MonoMethod *method = cfg->method;
4440 MonoMethodSignature *sig;
4442 int alloc_size, pos, max_offset, i;
4449 cfg->code_size = 512;
4451 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
4453 cfg->code_size += 256;
4456 if (method->save_lmf)
4457 cfg->code_size += 200;
4459 cfg->native_code = code = g_malloc (cfg->code_size);
4461 s390_stmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4463 if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
4464 cfg->used_int_regs |= 1 << 11;
4467 alloc_size = cfg->stack_offset;
4469 cfg->stack_usage = alloc_size;
4470 s390_lgr (code, s390_r11, STK_BASE);
4471 if (s390_is_uimm16 (alloc_size)) {
4472 s390_aghi (code, STK_BASE, -alloc_size);
4474 int stackSize = alloc_size;
4475 while (stackSize > 32767) {
4476 s390_aghi (code, STK_BASE, -32767);
4479 s390_aghi (code, STK_BASE, -stackSize);
4481 s390_stg (code, s390_r11, 0, STK_BASE, 0);
4483 if (cfg->frame_reg != STK_BASE)
4484 s390_lgr (code, s390_r11, STK_BASE);
4486 /* compute max_offset in order to use short forward jumps
4487 * we always do it on s390 because the immediate displacement
4488 * for jumps is too small
4491 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4492 MonoInst *ins = bb->code;
4493 bb->max_offset = max_offset;
4495 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4499 max_offset += ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
4504 /* load arguments allocated to register from the stack */
4505 sig = mono_method_signature (method);
4508 cinfo = calculate_sizes (sig, &sz, sig->pinvoke);
4510 if (cinfo->struct_ret) {
4511 ArgInfo *ainfo = &cinfo->ret;
4513 inst->backend.size = ainfo->vtsize;
4514 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4517 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4518 ArgInfo *ainfo = cinfo->args + i;
4519 inst = cfg->args [pos];
4521 if (inst->opcode == OP_REGVAR) {
4522 if (ainfo->regtype == RegTypeGeneral)
4523 s390_lgr (code, inst->dreg, ainfo->reg);
4524 else if (ainfo->regtype == RegTypeFP) {
4525 if (inst->dreg != ainfo->reg) {
4526 if (ainfo->size == 4) {
4527 s390_ledbr (code, inst->dreg, ainfo->reg);
4529 s390_ldr (code, inst->dreg, ainfo->reg);
4533 else if (ainfo->regtype == RegTypeBase) {
4534 s390_lgr (code, s390_r13, STK_BASE);
4535 s390_aghi (code, s390_r13, alloc_size);
4536 s390_lg (code, inst->dreg, 0, s390_r13, ainfo->offset);
4538 g_assert_not_reached ();
4540 if (cfg->verbose_level > 2)
4541 g_print ("Argument %d assigned to register %s\n",
4542 pos, mono_arch_regname (inst->dreg));
4544 if (ainfo->regtype == RegTypeGeneral) {
4545 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4546 g_assert_not_reached();
4547 switch (ainfo->size) {
4549 s390_stc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4552 s390_sth (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4555 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4558 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4561 } else if (ainfo->regtype == RegTypeBase) {
4562 } else if (ainfo->regtype == RegTypeFP) {
4563 if (ainfo->size == 8)
4564 s390_std (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4565 else if (ainfo->size == 4)
4566 s390_ste (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4568 g_assert_not_reached ();
4569 } else if (ainfo->regtype == RegTypeStructByVal) {
4570 int doffset = inst->inst_offset;
4572 if (ainfo->reg != STK_BASE)
4576 s390_lgr (code, s390_r13, STK_BASE);
4577 s390_aghi (code, s390_r13, alloc_size);
4579 switch (ainfo->size) {
4581 if (ainfo->reg == STK_BASE)
4582 s390_ic (code, reg, 0, s390_r13, ainfo->offset+7);
4583 s390_stc (code, reg, 0, inst->inst_basereg, doffset);
4586 if (ainfo->reg == STK_BASE)
4587 s390_lh (code, reg, 0, s390_r13, ainfo->offset+6);
4588 s390_sth (code, reg, 0, inst->inst_basereg, doffset);
4591 if (ainfo->reg == STK_BASE)
4592 s390_l (code, reg, 0, s390_r13, ainfo->offset+4);
4593 s390_st (code, reg, 0, inst->inst_basereg, doffset);
4596 if (ainfo->reg == STK_BASE)
4597 s390_lg (code, reg, 0, s390_r13, ainfo->offset);
4598 s390_stg (code, reg, 0, inst->inst_basereg, doffset);
4601 } else if (ainfo->regtype == RegTypeStructByAddr) {
4602 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4604 g_assert_not_reached ();
4609 if (method->save_lmf) {
4610 /*---------------------------------------------------------------*/
4611 /* we build the MonoLMF structure on the stack - see mini-s390.h */
4612 /*---------------------------------------------------------------*/
4613 lmfOffset = alloc_size - sizeof(MonoLMF);
4615 s390_lgr (code, s390_r13, cfg->frame_reg);
4616 s390_aghi (code, s390_r13, lmfOffset);
4618 /*---------------------------------------------------------------*/
4619 /* Preserve the parameter registers while we fix up the lmf */
4620 /*---------------------------------------------------------------*/
4621 s390_stmg (code, s390_r2, s390_r6, s390_r13,
4622 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
4624 /*---------------------------------------------------------------*/
4625 /* On return from this call r2 have the address of the &lmf */
4626 /*---------------------------------------------------------------*/
4627 s390_basr(code, s390_r10, 0);
4629 mono_add_patch_info (cfg, code - cfg->native_code,
4630 MONO_PATCH_INFO_INTERNAL_METHOD,
4631 (gpointer)"mono_get_lmf_addr");
4632 s390_llong(code, 0);
4633 s390_lg (code, s390_r1, 0, s390_r10, 4);
4634 s390_basr (code, s390_r14, s390_r1);
4636 /*---------------------------------------------------------------*/
4637 /* Set lmf.lmf_addr = jit_tls->lmf */
4638 /*---------------------------------------------------------------*/
4639 s390_stg (code, s390_r2, 0, s390_r13,
4640 G_STRUCT_OFFSET(MonoLMF, lmf_addr));
4642 /*---------------------------------------------------------------*/
4643 /* Get current lmf */
4644 /*---------------------------------------------------------------*/
4645 s390_lg (code, s390_r0, 0, s390_r2, 0);
4647 /*---------------------------------------------------------------*/
4648 /* Set our lmf as the current lmf */
4649 /*---------------------------------------------------------------*/
4650 s390_stg (code, s390_r13, 0, s390_r2, 0);
4652 /*---------------------------------------------------------------*/
4653 /* Have our lmf.previous_lmf point to the last lmf */
4654 /*---------------------------------------------------------------*/
4655 s390_stg (code, s390_r0, 0, s390_r13,
4656 G_STRUCT_OFFSET(MonoLMF, previous_lmf));
4658 /*---------------------------------------------------------------*/
4659 /* save method info */
4660 /*---------------------------------------------------------------*/
4661 s390_basr (code, s390_r1, 0);
4663 s390_llong (code, method);
4664 s390_lg (code, s390_r1, 0, s390_r1, 4);
4665 s390_stg (code, s390_r1, 0, s390_r13,
4666 G_STRUCT_OFFSET(MonoLMF, method));
4668 /*---------------------------------------------------------------*/
4669 /* save the current IP */
4670 /*---------------------------------------------------------------*/
4671 s390_stg (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
4672 s390_basr (code, s390_r1, 0);
4673 s390_stg (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, eip));
4675 /*---------------------------------------------------------------*/
4676 /* Save general and floating point registers */
4677 /*---------------------------------------------------------------*/
4678 s390_stmg (code, s390_r2, s390_r12, s390_r13,
4679 G_STRUCT_OFFSET(MonoLMF, gregs[2]));
4680 for (i = 0; i < 16; i++) {
4681 s390_std (code, i, 0, s390_r13,
4682 G_STRUCT_OFFSET(MonoLMF, fregs[i]));
4685 /*---------------------------------------------------------------*/
4686 /* Restore the parameter registers now that we've set up the lmf */
4687 /*---------------------------------------------------------------*/
4688 s390_lmg (code, s390_r2, s390_r6, s390_r13,
4689 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
4693 code = mono_arch_instrument_prolog(cfg, enter_method, code, TRUE);
4695 cfg->code_len = code - cfg->native_code;
4696 g_assert (cfg->code_len < cfg->code_size);
4703 /*========================= End of Function ========================*/
4705 /*------------------------------------------------------------------*/
4707 /* Name - mono_arch_emit_epilog */
4709 /* Function - Emit the instructions for a function epilog. */
4711 /*------------------------------------------------------------------*/
4714 mono_arch_emit_epilog (MonoCompile *cfg)
4716 MonoMethod *method = cfg->method;
4719 int max_epilog_size = 96;
4721 if (cfg->method->save_lmf)
4722 max_epilog_size += 128;
4724 if (mono_jit_trace_calls != NULL)
4725 max_epilog_size += 128;
4727 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4728 max_epilog_size += 128;
4730 while ((cfg->code_len + max_epilog_size) > (cfg->code_size - 16)) {
4731 cfg->code_size *= 2;
4732 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
4733 mono_jit_stats.code_reallocs++;
4736 code = cfg->native_code + cfg->code_len;
4738 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
4739 code = mono_arch_instrument_epilog (cfg, leave_method, code, TRUE);
4743 if (method->save_lmf)
4744 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
4746 if (cfg->flags & MONO_CFG_HAS_ALLOCA)
4747 s390_lg (code, STK_BASE, 0, STK_BASE, 0);
4749 code = backUpStackPtr(cfg, code);
4751 s390_lmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4752 s390_br (code, s390_r14);
4754 cfg->code_len = code - cfg->native_code;
4756 g_assert (cfg->code_len < cfg->code_size);
4760 /*========================= End of Function ========================*/
4762 /*------------------------------------------------------------------*/
4764 /* Name - mono_arch_emit_exceptions */
4766 /* Function - Emit the blocks to handle exception conditions. */
4768 /*------------------------------------------------------------------*/
4771 mono_arch_emit_exceptions (MonoCompile *cfg)
4773 MonoJumpInfo *patch_info;
4779 MonoClass *exc_classes [MAX_EXC];
4780 guint8 *exc_throw_start [MAX_EXC];
4782 for (patch_info = cfg->patch_info;
4784 patch_info = patch_info->next) {
4785 if (patch_info->type == MONO_PATCH_INFO_EXC)
4789 code_size = exc_count * 48;
4791 while ((cfg->code_len + code_size) > (cfg->code_size - 16)) {
4792 cfg->code_size *= 2;
4793 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
4794 mono_jit_stats.code_reallocs++;
4797 code = cfg->native_code + cfg->code_len;
4799 /*---------------------------------------------------------------------*/
4800 /* Add code to raise exceptions */
4801 /*---------------------------------------------------------------------*/
4802 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
4803 switch (patch_info->type) {
4804 case MONO_PATCH_INFO_EXC: {
4805 guint8 *ip = patch_info->ip.i + cfg->native_code;
4806 MonoClass *exc_class;
4809 /*-----------------------------------------------------*/
4810 /* Patch the branch in epilog to come here */
4811 /*-----------------------------------------------------*/
4812 s390_patch_rel (ip + 2, (guint64) S390_RELATIVE(code,ip));
4814 exc_class = mono_class_from_name (mono_defaults.corlib,
4816 patch_info->data.name);
4817 g_assert (exc_class);
4818 throw_ip = patch_info->ip.i;
4820 for (iExc = 0; iExc < nThrows; ++iExc)
4821 if (exc_classes [iExc] == exc_class)
4824 if (iExc < nThrows) {
4825 s390_jcl (code, S390_CC_UN,
4826 (guint64) exc_throw_start [iExc]);
4827 patch_info->type = MONO_PATCH_INFO_NONE;
4830 if (nThrows < MAX_EXC) {
4831 exc_classes [nThrows] = exc_class;
4832 exc_throw_start [nThrows] = code;
4835 /*---------------------------------------------*/
4836 /* Patch the parameter passed to the handler */
4837 /*---------------------------------------------*/
4838 s390_basr (code, s390_r13, 0);
4840 s390_llong(code, patch_info->data.target);
4841 /*---------------------------------------------*/
4842 /* Load return address & parameter register */
4843 /*---------------------------------------------*/
4844 s390_larl (code, s390_r14, S390_RELATIVE((patch_info->ip.i +
4845 cfg->native_code + 8), code));
4846 s390_lg (code, s390_r2, 0, s390_r13, 4);
4847 /*---------------------------------------------*/
4848 /* Reuse the current patch to set the jump */
4849 /*---------------------------------------------*/
4850 s390_basr (code, s390_r13, 0);
4852 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
4853 patch_info->data.name = "mono_arch_throw_exception_by_name";
4854 patch_info->ip.i = code - cfg->native_code;
4855 s390_llong(code, 0);
4856 s390_lg (code, s390_r1, 0, s390_r13, 4);
4857 s390_br (code, s390_r1);
4867 cfg->code_len = code - cfg->native_code;
4869 g_assert (cfg->code_len < cfg->code_size);
4873 /*========================= End of Function ========================*/
4875 /*------------------------------------------------------------------*/
4877 /* Name - mono_arch_setup_jit_tls_data */
4879 /* Function - Setup the JIT's Thread Level Specific Data. */
4881 /*------------------------------------------------------------------*/
4884 mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
4886 if (!tls_offset_inited) {
4887 tls_offset_inited = TRUE;
4891 __asm__ ("\tear\t%r1,0\n"
4898 : "=r" (appdomain_tls_offset),
4899 "=r" (thread_tls_offset),
4900 "=r" (lmf_tls_offset)
4901 : "r" (&tls_appdomain),
4902 "r" (&tls_current_object),
4903 "r" (&mono_lmf_addr)
4909 if (!lmf_addr_key_inited) {
4910 lmf_addr_key_inited = TRUE;
4911 pthread_key_create (&lmf_addr_key, NULL);
4913 pthread_setspecific (lmf_addr_key, &tls->lmf);
4917 /*========================= End of Function ========================*/
4919 /*------------------------------------------------------------------*/
4921 /* Name - mono_arch_free_jit_tls_data */
4923 /* Function - Free tls data. */
4925 /*------------------------------------------------------------------*/
4928 mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
4933 /*========================= End of Function ========================*/
4935 /*------------------------------------------------------------------*/
4937 /* Name - mono_arch_emit_this_vret_args */
4941 /*------------------------------------------------------------------*/
4944 mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
4946 int this_dreg = s390_r2;
4949 this_dreg = s390_r3;
4951 /* add the this argument */
4952 if (this_reg != -1) {
4954 MONO_INST_NEW (cfg, this, OP_SETREG);
4955 this->type = this_type;
4956 this->sreg1 = this_reg;
4957 this->dreg = mono_regstate_next_int (cfg->rs);
4958 mono_bblock_add_inst (cfg->cbb, this);
4959 mono_call_inst_add_outarg_reg (cfg, inst, this->dreg, this_dreg, FALSE);
4964 MONO_INST_NEW (cfg, vtarg, OP_SETREG);
4965 vtarg->type = STACK_MP;
4966 vtarg->sreg1 = vt_reg;
4967 vtarg->dreg = mono_regstate_next_int (cfg->rs);
4968 mono_bblock_add_inst (cfg->cbb, vtarg);
4969 mono_call_inst_add_outarg_reg (cfg, inst, vtarg->dreg, s390_r2, FALSE);
4973 /*========================= End of Function ========================*/
4975 /*------------------------------------------------------------------*/
4977 /* Name - mono_arch_get_inst_for_method */
4979 /* Function - Check for opcodes we can handle directly in */
4982 /*------------------------------------------------------------------*/
4985 mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
4986 MonoMethodSignature *fsig, MonoInst **args)
4988 MonoInst *ins = NULL;
4990 if (cmethod->klass == mono_defaults.math_class) {
4991 if (strcmp (cmethod->name, "Sqrt") == 0) {
4992 MONO_INST_NEW (cfg, ins, OP_SQRT);
4993 ins->inst_i0 = args [0];
4995 // if (strcmp (cmethod->name, "Abs") == 0) {
4996 // MONO_INST_NEW (cfg, ins, OP_ABS);
4997 // ins->inst_i0 = args [0];
4999 } else if (cmethod->klass == mono_defaults.thread_class &&
5000 strcmp (cmethod->name, "MemoryBarrier") == 0) {
5001 MONO_INST_NEW (cfg, ins, OP_MEMORY_BARRIER);
5002 } else if(cmethod->klass->image == mono_defaults.corlib &&
5003 (strcmp (cmethod->klass->name_space, "System.Threading") == 0) &&
5004 (strcmp (cmethod->klass->name, "Interlocked") == 0)) {
5006 if (strcmp (cmethod->name, "Increment") == 0) {
5007 MonoInst *ins_iconst;
5010 if (fsig->params [0]->type == MONO_TYPE_I4)
5011 opcode = OP_ATOMIC_ADD_NEW_I4;
5012 else if (fsig->params [0]->type == MONO_TYPE_I8)
5013 opcode = OP_ATOMIC_ADD_NEW_I8;
5015 g_assert_not_reached ();
5017 MONO_INST_NEW (cfg, ins, opcode);
5018 MONO_INST_NEW (cfg, ins_iconst, OP_ICONST);
5019 ins_iconst->inst_c0 = 1;
5021 ins->inst_i0 = args [0];
5022 ins->inst_i1 = ins_iconst;
5023 } else if (strcmp (cmethod->name, "Decrement") == 0) {
5024 MonoInst *ins_iconst;
5027 if (fsig->params [0]->type == MONO_TYPE_I4)
5028 opcode = OP_ATOMIC_ADD_NEW_I4;
5029 else if (fsig->params [0]->type == MONO_TYPE_I8)
5030 opcode = OP_ATOMIC_ADD_NEW_I8;
5032 g_assert_not_reached ();
5033 MONO_INST_NEW (cfg, ins, opcode);
5034 MONO_INST_NEW (cfg, ins_iconst, OP_ICONST);
5035 ins_iconst->inst_c0 = -1;
5037 ins->inst_i0 = args [0];
5038 ins->inst_i1 = ins_iconst;
5040 } else if (strcmp (cmethod->name, "Exchange") == 0) {
5043 if (fsig->params [0]->type == MONO_TYPE_I4)
5044 opcode = OP_ATOMIC_EXCHANGE_I4;
5045 else if ((fsig->params [0]->type == MONO_TYPE_I8) ||
5046 (fsig->params [0]->type == MONO_TYPE_I) ||
5047 (fsig->params [0]->type == MONO_TYPE_OBJECT))
5048 opcode = OP_ATOMIC_EXCHANGE_I8;
5052 MONO_INST_NEW (cfg, ins, opcode);
5054 ins->inst_i0 = args [0];
5055 ins->inst_i1 = args [1];
5056 } else if (strcmp (cmethod->name, "Add") == 0) {
5059 if (fsig->params [0]->type == MONO_TYPE_I4)
5060 opcode = OP_ATOMIC_ADD_I4;
5061 else if (fsig->params [0]->type == MONO_TYPE_I8)
5062 opcode = OP_ATOMIC_ADD_I8;
5064 g_assert_not_reached ();
5066 MONO_INST_NEW (cfg, ins, opcode);
5068 ins->inst_i0 = args [0];
5069 ins->inst_i1 = args [1];
5070 } else if ((strcmp (cmethod->name, "Read") == 0 &&
5071 (fsig->params [0]->type == MONO_TYPE_I8))) {
5072 MONO_INST_NEW (cfg, ins, CEE_LDIND_I8);
5073 ins->inst_i0 = args [0];
5079 /*========================= End of Function ========================*/
5081 /*------------------------------------------------------------------*/
5083 /* Name - mono_arch_print_tree */
5085 /* Function - Print platform-specific opcode details. */
5087 /* Returns - 1 - opcode details have been printed */
5088 /* 0 - opcode details have not been printed */
5090 /*------------------------------------------------------------------*/
5093 mono_arch_print_tree (MonoInst *tree, int arity)
5097 switch (tree->opcode) {
5098 case OP_S390_LOADARG:
5099 case OP_S390_ARGREG:
5100 case OP_S390_ARGPTR:
5101 printf ("[0x%lx(%s)]", tree->inst_offset,
5102 mono_arch_regname (tree->inst_basereg));
5105 case OP_S390_STKARG:
5106 printf ("[0x%lx(previous_frame)]",
5111 printf ("[0x%lx(%d,%s),0x%lx(%s)]",
5112 tree->inst_offset, tree->backend.size,
5113 mono_arch_regname(tree->dreg),
5115 mono_arch_regname(tree->sreg1));
5118 case OP_S390_SETF4RET:
5119 printf ("[f%s,f%s]",
5120 mono_arch_regname (tree->dreg),
5121 mono_arch_regname (tree->sreg1));
5125 printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
5127 mono_arch_regname (tree->sreg1));
5130 case OP_S390_BKCHAIN:
5131 printf ("[previous_frame(%s)]",
5132 mono_arch_regname (tree->sreg1));
5140 /*========================= End of Function ========================*/
5142 /*------------------------------------------------------------------*/
5144 /* Name - mono_arch_regalloc_cost */
5146 /* Function - Determine the cost, in the number of memory */
5147 /* references, of the action of allocating the var- */
5148 /* iable VMV into a register during global register */
5151 /* Returns - Cost */
5153 /*------------------------------------------------------------------*/
5156 mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
5162 /*========================= End of Function ========================*/
5164 /*------------------------------------------------------------------*/
5166 /* Name - mono_arch_get_domain_intrinsic */
5172 /*------------------------------------------------------------------*/
5175 mono_arch_get_domain_intrinsic (MonoCompile* cfg)
5179 if (appdomain_tls_offset == -1)
5182 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5183 ins->inst_offset = appdomain_tls_offset;
5187 /*========================= End of Function ========================*/
5189 /*------------------------------------------------------------------*/
5191 /* Name - mono_arch_get_thread_intrinsic */
5197 /*------------------------------------------------------------------*/
5200 mono_arch_get_thread_intrinsic (MonoCompile* cfg)
5204 if (thread_tls_offset == -1)
5207 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5208 ins->inst_offset = thread_tls_offset;
5212 /*========================= End of Function ========================*/
5214 /*------------------------------------------------------------------*/
5216 /* Name - mono_arch_flush_register_windows */
5222 /*------------------------------------------------------------------*/
5225 mono_arch_flush_register_windows (void)
5229 /*========================= End of Function ========================*/
5231 /*------------------------------------------------------------------*/
5233 /* Name - mono_arch_get_lmf_addr */
5239 /*------------------------------------------------------------------*/
5242 mono_arch_get_lmf_addr (void)
5244 return pthread_getspecific (lmf_addr_key);
5247 /*========================= End of Function ========================*/
5249 /*------------------------------------------------------------------*/
5251 /* Name - mono_arch_is_inst_imm */
5253 /* Function - Determine if operand qualifies as an immediate */
5254 /* value. For s390 this is a value -32768-32768 */
5256 /* Returns - True|False - is [not] immediate value. */
5258 /*------------------------------------------------------------------*/
5261 mono_arch_is_inst_imm (gint64 imm)
5263 return s390_is_imm16 (imm);
5266 /*========================= End of Function ========================*/
5268 /*------------------------------------------------------------------*/
5270 /* Name - opcode_to_cond */
5272 /* Function - Simplify the branch on condition opcode from */
5273 /* more than 20 to just a handful for easy manipu- */
5274 /* lation within the instruction emitting code. */
5276 /* Returns - CMP_xxx - this simplified condition type. */
5278 /*------------------------------------------------------------------*/
5281 opcode_to_cond (int opcode)
5290 case OP_COND_EXC_EQ:
5293 case OP_COND_EXC_NE_UN:
5306 case OP_COND_EXC_LT:
5314 case OP_COND_EXC_GT:
5323 case OP_COND_EXC_LE_UN:
5337 case OP_COND_EXC_LT_UN:
5340 case OP_COND_EXC_GT_UN:
5348 printf ("%s\n", mono_inst_name (opcode));
5349 g_error("Not implemented\n");
5354 /*========================= End of Function ========================*/
5356 /*------------------------------------------------------------------*/
5358 /* Name - mono_arch_get_patch_offset */
5360 /* Function - Dummy entry point until s390x supports aot. */
5362 /* Returns - Offset for patch. */
5364 /*------------------------------------------------------------------*/
5367 mono_arch_get_patch_offset (guint8 *code)
5372 /*========================= End of Function ========================*/