Changes: Edwin Steiner
Christian Thalinger
- $Id: stack.c 2212 2005-04-04 11:34:46Z christian $
+ $Id: stack.c 2218 2005-04-05 15:26:35Z christian $
*/
#include "disass.h"
#include "types.h"
+#include "codegen.h"
#include "mm/memory.h"
#include "native/native.h"
#include "toolbox/logging.h"
call_returntype = lm->returntype;
_callhandling:
-#endif
-#ifdef INVOKE_NEW
i = call_argcount;
+
#else
i = iptr->op1;
#endif
if (i > rd->arguments_num)
rd->arguments_num = i;
REQUIRE(i);
-/* --------- old and unchanged till here (almoust ;)----------- */
-#ifdef INVOKE_NEW
-/* --------- new try from here on till #else ------- */
- {
- s4 iarg = 0;
- s4 farg = 0;
-#ifdef HAS_ADDRESS_REGISTER_FILE
- s4 aarg = 0;
-#endif
- s4 stacksize = 0; /* Stackoffset for spilled arg */
- s4 maxstacksize = 0; /* Stackspace required for spilled args */
- s4 paramsize;
-
-#ifdef SPECIALMEMUSE
-/* normaly Parameters are spilled beginning from offset 0, regardless the argument index */
-/* with SPECIALMEMUSE, Parameters are spilled from offset 6, regarding the argument index -> Parameters in registers "waste" Stackspace */
- stacksize = 6;
-#endif
- /* Calc ARGVAR Stackslots regarding CONSECUTIVE_[INT|FLOAT|ADDR]ARGS and */
- /* rd->[int|flt|adr]reg_argnum */
-
- /* count integer, float and if existing address arguments and possibly used stackspace*/
-
- copy = curstack;
- while (--i >= 0) {
-#ifdef SPECIALMEMUSE
-#ifdef USETWOREGS
- stacksize += (IS_2_WORD_TYPE(copy->type)) ? 2 : 1;
-#else
- stacksize++;
-#endif
-#endif
- switch (copy->type) {
- case TYPE_ADR:
-#ifdef HAS_ADDRESS_REGISTER_FILE
-#ifdef CONSECUTIVE_ADDRARGS
- aarg++;
-#endif
-#ifndef SPECIALMEMUSE
-#ifdef CONSECUTIVE_ADDRARGS
- if (aarg > rd->adrreg_argnum)
-#else
- if (i >= rd->adrreg_argnum)
-#endif
- stacksize++;
-#endif
- break;
-#endif
- case TYPE_INT:
- case TYPE_LNG:
-#ifdef CONSECUTIVE_INTARGS
-#ifdef USETWOREGS
- iarg += (IS_2_WORD_TYPE(copy->type)) ? 2 : 1;
-#else
- iarg++;
-#endif
-#endif
-#ifndef SPECIALMEMUSE
-#ifdef CONSECUTIVE_INTARGS
- if (iarg > rd->intreg_argnum)
-#else
- if (i >= rd->intreg_argnum)
-#endif
-#ifdef USETWOREGS
- stacksize += (IS_2_WORD_TYPE(copy->type)) ? 2 : 1;
-#else
- stacksize++;
-#endif
-#endif
- break;
- case TYPE_FLT:
- case TYPE_DBL:
-#ifdef CONSECUTIVE_FLOATARGS
- farg++;
-#endif
-#ifndef SPECIALMEMUSE
-#ifdef CONSECUTIVE_FLOATARGS
-
- if (farg > rd->fltreg_argnum)
-#else
- if (i >= rd->fltreg_argnum)
-#endif
-#ifdef USETWOREGS
- stacksize += (IS_2_WORD_TYPE(copy->type)) ? 2 : 1;
-#else
- stacksize++;
-#endif
-#endif
- break;
- }
+#if defined(INVOKE_NEW)
+ /* Macro in codegen.h */
- copy = copy->prev;
- }
- /* Set ARGVAR to appropriate registerfile index, calc rd->ifmemuse (max stackspace) */
-#ifdef SPECIALMEMUSE
- if (stacksize > rd->ifmemuse)
- rd->ifmemuse = stacksize;
-#endif
- i = call_argcount;
- copy = curstack;
- paramsize = 1;
- while (--i >= 0) {
-#ifdef USETWOREGS
- paramsize = (IS_2_WORD_TYPE(copy->type)) ? 2 : 1;
-#endif
-#ifdef HAS_ADDRESS_REGISTER_FILE
- if (copy->type == TYPE_ADR) {
-#ifdef CONSECUTIVE_ADDRARGS
- aarg--;
-#else
- aarg = i;
-#endif
-#ifndef SPECIALMEMUSE
- if (aarg >= rd->adrreg_argnum)
- if (!maxstacksize)
- maxstacksize = stacksize;
-#endif
- if (!(copy->flags & SAVEDVAR)) {
- copy->varnum = aarg;
- copy->varkind = ARGVAR;
- if (aarg < rd->adrreg_argnum) {
- copy->flags = 0;
- copy->regoff = rd->argadrregs[aarg];
- } else {
- copy->flags = INMEMORY;
- copy->regoff = stacksize - paramsize;
-#ifndef SPECIALMEMUSE
- stacksize -=paramsize;
-#endif
- }
- }
- } else {
-#endif
- if (IS_FLT_DBL_TYPE(copy->type)) {
-#ifdef CONSECUTIVE_FLOATARGS
- farg--;
-#else
- farg = i;
-#endif
-#ifndef SPECIALMEMUSE
+ SET_ARG_STACKSLOTS;
- if (farg >= rd->fltreg_argnum)
- if (!maxstacksize)
- maxstacksize = stacksize;
-#endif
- if (!(copy->flags & SAVEDVAR)) {
- copy->varnum = farg;
- copy->varkind = ARGVAR;
- if (farg < rd->fltreg_argnum) {
- copy->flags = 0;
- copy->regoff = rd->argfltregs[farg];
- } else {
- copy->flags = INMEMORY;
- copy->regoff = stacksize - paramsize;
-#ifndef SPECIALMEMUSE
- stacksize -=paramsize;
-#endif
- }
- }
- } else { /* int_arg */
-#ifdef CONSECUTIVE_INTARGS
- iarg--;
-#else
-#ifndef SPECIALMEMUSE
- iarg = i;
#else
-#ifdef USETWOREGS
- iarg = stacksize - paramsize - 6;
-#endif
-#endif
-#endif
-#ifndef SPECIALMEMUSE
- if (iarg >= rd->intreg_argnum)
- if (!maxstacksize)
- maxstacksize = stacksize;
-#endif
- if (!(copy->flags & SAVEDVAR)) {
- copy->varnum = iarg;
- copy->varkind = ARGVAR;
-#ifdef USETWOREGS
- if ((iarg+paramsize-1) < rd->intreg_argnum) {
-#else
- if (iarg < rd->intreg_argnum) {
-#endif
- copy->flags = 0;
- copy->regoff = rd->argintregs[iarg];
- } else {
- copy->flags = INMEMORY;
- copy->regoff = stacksize - paramsize;
-#ifndef SPECIALMEMUSE
- stacksize -=paramsize;
-#endif
- }
- }
- }
-#ifdef HAS_ADDRESS_REGISTER_FILE
- }
-#endif
-#ifdef SPECIALMEMUSE
- stacksize -=paramsize;
-#endif
- copy = copy->prev;
- }
-#ifndef SPECIALMEMUSE
- if (rd->ifmemuse < maxstacksize)
- rd->ifmemuse = maxstacksize;
-#endif
- if (compileverbose)
- printf("ifmemuse,maxstacksize by stack.c: %3i,%3i\n",rd->ifmemuse, maxstacksize);
- }
-#else /* ifdef INVOKE_NEW */
#if defined(__X86_64__)
{
s4 iarg = 0;
copy = copy->prev;
}
#endif /* defined(__X86_64__) */
-#endif /* ifdef INVOKE_NEW */
+#endif /* defined(INVOKE_NEW) */
while (copy) {
copy->flags |= SAVEDVAR;
copy = copy->prev;
Authors: Andreas Krall
Christian Thalinger
- $Id: codegen.h 2070 2005-03-24 12:21:53Z twisti $
+ $Id: codegen.h 2218 2005-04-05 15:26:35Z christian $
*/
#include "vm/jit/x86_64/types.h"
+/* Macro for stack.c to set Argument Stackslots */
+
+#define SET_ARG_STACKSLOTS { \
+ s4 iarg = 0; \
+ s4 farg = 0; \
+ s4 stacksize; /* Stackoffset for spilled arg */ \
+ copy = curstack; \
+ while (--i >= 0) { \
+ (IS_FLT_DBL_TYPE(copy->type)) ? farg++ : iarg++; \
+ copy = copy->prev; \
+ } \
+ stacksize = (farg < rd->fltreg_argnum)? 0 : (farg - rd->fltreg_argnum); \
+ stacksize += (iarg < rd->intreg_argnum)? 0 : (iarg - rd->intreg_argnum); \
+ if (rd->ifmemuse < stacksize) \
+ rd->ifmemuse = stacksize; \
+ i = call_argcount; \
+ copy = curstack; \
+ while (--i >= 0) { \
+ if (IS_FLT_DBL_TYPE(copy->type)) { \
+ farg--; \
+ if (!(copy->flags & SAVEDVAR)) { \
+ copy->varnum = farg; \
+ copy->varkind = ARGVAR; \
+ if (farg < rd->fltreg_argnum) { \
+ copy->flags = 0; \
+ copy->regoff = rd->argfltregs[farg]; \
+ } else { \
+ copy->flags = INMEMORY; \
+ copy->regoff = --stacksize; \
+ } \
+ } \
+ } else { /* int_arg */ \
+ iarg--; \
+ if (!(copy->flags & SAVEDVAR)) { \
+ copy->varnum = iarg; \
+ copy->varkind = ARGVAR; \
+ if (iarg < rd->intreg_argnum) { \
+ copy->flags = 0; \
+ copy->regoff = rd->argintregs[iarg]; \
+ } else { \
+ copy->flags = INMEMORY; \
+ copy->regoff = --stacksize; \
+ } \
+ } \
+ } \
+ copy = copy->prev; \
+ } \
+ } \
+
/* macros to create code ******************************************************/
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