/* src/vm/jit/alpha/codegen.c - machine code generator for Alpha
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
J. Wenninger, Institut f. Computersprachen - TU Wien
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Andreas Krall
- Reinhard Grafl
-
- Changes: Joseph Wenninger
- Christian Thalinger
- Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 5331 2006-09-05 19:06:22Z edwin $
-
*/
#include "vm/jit/alpha/arch.h"
#include "vm/jit/alpha/codegen.h"
+#include "mm/memory.h"
+
#include "native/jni.h"
+#include "native/localref.h"
#include "native/native.h"
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
+#include "threads/lock-common.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
-#include "vm/loader.h"
-#include "vm/options.h"
-#include "vm/stringlocal.h"
#include "vm/vm.h"
+
+#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/codegen-common.h"
#include "vm/jit/dseg.h"
-#include "vm/jit/emit.h"
+#include "vm/jit/emit-common.h"
#include "vm/jit/jit.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.h"
#include "vm/jit/reg.h"
#include "vm/jit/replace.h"
+#include "vm/jit/stacktrace.h"
#if defined(ENABLE_LSRA)
# include "vm/jit/allocator/lsra.h"
#endif
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
-/* codegen *********************************************************************
+
+/* codegen_emit ****************************************************************
Generates machine code.
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
codegendata *cd;
registerdata *rd;
s4 len, s1, s2, s3, d, disp;
- stackptr src;
varinfo *var;
basicblock *bptr;
instruction *iptr;
- exceptiontable *ex;
+ exception_entry *ex;
u2 currentline;
methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
+ unresolved_method *um;
builtintable_entry *bte;
methoddesc *md;
- rplpoint *replacementpoint;
+ fieldinfo *fi;
+ unresolved_field *uf;
+ s4 fieldtype;
+ s4 varindex;
/* get required compiler data */
/* prevent compiler warnings */
- d = 0;
+ d = 0;
+ fieldtype = 0;
+ lm = NULL;
+ um = NULL;
+ bte = NULL;
currentline = 0;
- lm = NULL;
- bte = NULL;
{
s4 i, p, t, l;
dseg_addlinenumbertablesize(cd);
- (void) dseg_add_unique_s4(cd, cd->exceptiontablelength); /* ExTableSize */
+ (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
/* create exception table */
- for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
+ for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
dseg_add_target(cd, ex->start);
dseg_add_target(cd, ex->end);
dseg_add_target(cd, ex->handler);
- (void) dseg_add_unique_address(cd, ex->catchtype.cls);
+ (void) dseg_add_unique_address(cd, ex->catchtype.any);
}
/* create stack frame (if necessary) */
for (p = 0, l = 0; p < md->paramcount; p++) {
t = md->paramtypes[p].type;
- var = &(rd->locals[l][t]);
+
+ varindex = jd->local_map[l * 5 + t];
+
l++;
if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
l++;
- if (var->type < 0)
- continue;
- s1 = md->params[p].regoff;
- if (IS_INT_LNG_TYPE(t)) { /* integer args */
- if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argintregs[s1];
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- M_INTMOVE(s2, var->regoff);
- } else { /* reg arg -> spilled */
- M_LST(s2, REG_SP, var->regoff * 8);
- }
+ if (varindex == UNUSED)
+ continue;
- } else { /* stack arguments */
- if (!(var->flags & INMEMORY)) { /* stack arg -> register */
- M_LLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
+ var = VAR(varindex);
- } else { /* stack arg -> spilled */
- var->regoff = cd->stackframesize + s1;
- }
- }
+ s1 = md->params[p].regoff;
- } else { /* floating args */
+ if (IS_INT_LNG_TYPE(t)) { /* integer args */
if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->regoff);
-
- } else { /* reg arg -> spilled */
- M_DST(s2, REG_SP, var->regoff * 8);
- }
-
- } else { /* stack arguments */
- if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
- M_DLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
-
- } else { /* stack-arg -> spilled */
- var->regoff = cd->stackframesize + s1;
- }
+ if (!IS_INMEMORY(var->flags))
+ M_INTMOVE(s1, var->vv.regoff);
+ else
+ M_LST(s1, REG_SP, var->vv.regoff);
+ }
+ else { /* stack arguments */
+ if (!IS_INMEMORY(var->flags))
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1;
+ }
+ }
+ else { /* floating args */
+ if (!md->params[p].inmemory) { /* register arguments */
+ if (!IS_INMEMORY(var->flags))
+ M_FLTMOVE(s1, var->vv.regoff);
+ else
+ M_DST(s1, REG_SP, var->vv.regoff * 8);
+ }
+ else { /* stack arguments */
+ if (!(var->flags & INMEMORY))
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1;
}
}
- } /* end for */
+ }
/* call monitorenter function */
M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
for (p = 0; p < INT_ARG_CNT; p++)
- M_LST(rd->argintregs[p], REG_SP, p * 8);
+ M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
s1 += INT_ARG_CNT + FLT_ARG_CNT;
}
if (m->flags & ACC_STATIC) {
disp = dseg_add_address(cd, &m->class->object.header);
- M_ALD(rd->argintregs[0], REG_PV, disp);
+ M_ALD(REG_A0, REG_PV, disp);
}
else {
- M_BEQZ(rd->argintregs[0], 0);
- codegen_add_nullpointerexception_ref(cd);
+ M_BNEZ(REG_A0, 1);
+ M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
}
- M_AST(rd->argintregs[0], REG_SP, s1 * 8);
+ M_AST(REG_A0, REG_SP, s1 * 8);
disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
#if !defined(NDEBUG)
if (opt_verbosecall) {
for (p = 0; p < INT_ARG_CNT; p++)
- M_LLD(rd->argintregs[p], REG_SP, p * 8);
+ M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
}
/* end of header generation */
- replacementpoint = jd->code->rplpoints;
+ /* create replacement points */
+
+ REPLACEMENT_POINTS_INIT(cd, jd);
/* walk through all basic blocks */
- for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
+ for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
/* branch resolving */
- {
- branchref *brefs;
- for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
- gen_resolvebranch((u1*) cd->mcodebase + brefs->branchpos,
- brefs->branchpos, bptr->mpc);
- }
- }
+ codegen_resolve_branchrefs(cd, bptr);
/* handle replacement points */
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
- }
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
/* copy interface registers to their destination */
- src = bptr->instack;
len = bptr->indepth;
MCODECHECK(64+len);
#if defined(ENABLE_LSRA)
if (opt_lsra) {
- while (src != NULL) {
+ while (len) {
len--;
- if ((len == 0) && (bptr->type != BBTYPE_STD)) {
+ src = bptr->invars[len];
+ if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
/* d = reg_of_var(m, src, REG_ITMP1); */
if (!(src->flags & INMEMORY))
- d = src->regoff;
+ d = src->vv.regoff;
else
d = REG_ITMP1;
M_INTMOVE(REG_ITMP1, d);
emit_store(jd, NULL, src, d);
}
- src = src->prev;
}
} else {
#endif
- while (src != NULL) {
+ while (len) {
len--;
- if ((len == 0) && (bptr->type != BBTYPE_STD)) {
- d = codegen_reg_of_var(rd, 0, src, REG_ITMP1);
+ var = VAR(bptr->invars[len]);
+ if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
+ d = codegen_reg_of_var(0, var, REG_ITMP1);
M_INTMOVE(REG_ITMP1, d);
- emit_store(jd, NULL, src, d);
-
- } else {
- d = codegen_reg_of_var(rd, 0, src, REG_IFTMP);
- if ((src->varkind != STACKVAR)) {
- s2 = src->type;
- if (IS_FLT_DBL_TYPE(s2)) {
- if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
- s1 = rd->interfaces[len][s2].regoff;
- M_FLTMOVE(s1, d);
- } else {
- M_DLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
- }
- emit_store(jd, NULL, src, d);
- }
- else {
- if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
- s1 = rd->interfaces[len][s2].regoff;
- M_INTMOVE(s1, d);
- } else {
- M_LLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
- }
- emit_store(jd, NULL, src, d);
- }
- }
+ emit_store(jd, NULL, var, d);
+ }
+ else {
+ assert((var->flags & INOUT));
}
- src = src->prev;
}
#if defined(ENABLE_LSRA)
}
/* walk through all instructions */
- src = bptr->instack;
len = bptr->icount;
- for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) {
+ for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
if (iptr->line != currentline) {
dseg_addlinenumber(cd, iptr->line);
currentline = iptr->line;
MCODECHECK(64); /* an instruction usually needs < 64 words */
switch (iptr->opc) {
+ case ICMD_NOP: /* ... ==> ... */
+ case ICMD_POP: /* ..., value ==> ... */
+ case ICMD_POP2: /* ..., value, value ==> ... */
+ break;
+
case ICMD_INLINE_START:
- case ICMD_INLINE_END:
+
+ REPLACEMENT_POINT_INLINE_START(cd, iptr);
break;
- case ICMD_NOP: /* ... ==> ... */
+ case ICMD_INLINE_BODY:
+
+ REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
+ dseg_addlinenumber_inline_start(cd, iptr);
+ dseg_addlinenumber(cd, iptr->line);
+ break;
+
+ case ICMD_INLINE_END:
+
+ dseg_addlinenumber_inline_end(cd, iptr);
+ dseg_addlinenumber(cd, iptr->line);
break;
case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_BEQZ(s1, 0);
- codegen_add_nullpointerexception_ref(cd);
+ emit_nullpointer_check(cd, iptr, s1);
break;
/* constant operations ************************************************/
/* XXX Only add the patcher, if this position needs to
be patched. If there was a previous position which
resolved the same class, the returned displacement
- of dseg_addaddress is ok to use. */
+ of dseg_add_address is ok to use. */
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
- cr, disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ cr, disp);
M_ALD(d, REG_PV, disp);
}
break;
- /* load/store operations **********************************************/
+ /* load/store/move/copy operations ************************************/
case ICMD_ILOAD: /* ... ==> ..., content of local variable */
- case ICMD_LLOAD: /* op1 = local variable */
- case ICMD_ALOAD:
-
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- if ((iptr->dst.var->varkind == LOCALVAR) &&
- (iptr->dst.var->varnum == iptr->s1.localindex))
- break;
- var = &(rd->locals[iptr->s1.localindex][iptr->opc - ICMD_ILOAD]);
- if (var->flags & INMEMORY) {
- M_LLD(d, REG_SP, var->regoff * 8);
- } else {
- M_INTMOVE(var->regoff, d);
- }
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_FLOAD: /* ... ==> ..., content of local variable */
- case ICMD_DLOAD: /* op1 = local variable */
-
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- if ((iptr->dst.var->varkind == LOCALVAR) &&
- (iptr->dst.var->varnum == iptr->s1.localindex))
- break;
- var = &(rd->locals[iptr->s1.localindex][iptr->opc - ICMD_ILOAD]);
- if (var->flags & INMEMORY) {
- M_DLD(d, REG_SP, var->regoff * 8);
- } else {
- M_FLTMOVE(var->regoff, d);
- }
- emit_store_dst(jd, iptr, d);
- break;
-
-
+ case ICMD_ALOAD: /* s1 = local variable */
+ case ICMD_LLOAD:
+ case ICMD_FLOAD:
+ case ICMD_DLOAD:
case ICMD_ISTORE: /* ..., value ==> ... */
- case ICMD_LSTORE: /* op1 = local variable */
- case ICMD_ASTORE:
-
- if ((iptr->s1.var->varkind == LOCALVAR) &&
- (iptr->s1.var->varnum == iptr->dst.localindex))
- break;
- var = &(rd->locals[iptr->dst.localindex][iptr->opc - ICMD_ISTORE]);
- if (var->flags & INMEMORY) {
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_LST(s1, REG_SP, var->regoff * 8);
- } else {
- s1 = emit_load_s1(jd, iptr, var->regoff);
- M_INTMOVE(s1, var->regoff);
- }
- break;
-
- case ICMD_FSTORE: /* ..., value ==> ... */
- case ICMD_DSTORE: /* op1 = local variable */
-
- if ((iptr->s1.var->varkind == LOCALVAR) &&
- (iptr->s1.var->varnum == iptr->dst.localindex))
- break;
- var = &(rd->locals[iptr->dst.localindex][iptr->opc - ICMD_ISTORE]);
- if (var->flags & INMEMORY) {
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- M_DST(s1, REG_SP, var->regoff * 8);
- } else {
- s1 = emit_load_s1(jd, iptr, var->regoff);
- M_FLTMOVE(s1, var->regoff);
- }
- break;
-
-
- /* pop/dup/swap operations ********************************************/
-
- /* attention: double and longs are only one entry in CACAO ICMDs */
-
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
- break;
-
- case ICMD_DUP: /* ..., a ==> ..., a, a */
- M_COPY(src, iptr->dst);
- break;
-
- case ICMD_DUP_X1: /* ..., a, b ==> ..., b, a, b */
-
- M_COPY(src, iptr->dst);
- M_COPY(src->prev, iptr->dst->prev);
- M_COPY(iptr->dst, iptr->dst->prev->prev);
- break;
-
- case ICMD_DUP_X2: /* ..., a, b, c ==> ..., c, a, b, c */
-
- M_COPY(src, iptr->dst);
- M_COPY(src->prev, iptr->dst->prev);
- M_COPY(src->prev->prev, iptr->dst->prev->prev);
- M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
- break;
-
- case ICMD_DUP2: /* ..., a, b ==> ..., a, b, a, b */
-
- M_COPY(src, iptr->dst);
- M_COPY(src->prev, iptr->dst->prev);
- break;
-
- case ICMD_DUP2_X1: /* ..., a, b, c ==> ..., b, c, a, b, c */
+ case ICMD_LSTORE:
+ case ICMD_FSTORE:
+ case ICMD_DSTORE:
+ case ICMD_COPY:
+ case ICMD_MOVE:
- M_COPY(src, iptr->dst);
- M_COPY(src->prev, iptr->dst->prev);
- M_COPY(src->prev->prev, iptr->dst->prev->prev);
- M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
- M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev);
+ emit_copy(jd, iptr);
break;
+
+ case ICMD_ASTORE:
- case ICMD_DUP2_X2: /* ..., a, b, c, d ==> ..., c, d, a, b, c, d */
-
- M_COPY(src, iptr->dst);
- M_COPY(src->prev, iptr->dst->prev);
- M_COPY(src->prev->prev, iptr->dst->prev->prev);
- M_COPY(src->prev->prev->prev, iptr->dst->prev->prev->prev);
- M_COPY(iptr->dst, iptr->dst->prev->prev->prev->prev);
- M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev->prev);
- break;
-
- case ICMD_SWAP: /* ..., a, b ==> ..., b, a */
-
- M_COPY(src, iptr->dst->prev);
- M_COPY(src->prev, iptr->dst);
+ if (!(iptr->flags.bits & INS_FLAG_RETADDR))
+ emit_copy(jd, iptr);
break;
case ICMD_I2L: /* ..., value ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
M_INTMOVE(s1, d);
emit_store_dst(jd, iptr, d);
break;
emit_store_dst(jd, iptr, d);
break;
+ case ICMD_IINC:
case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
/* sx.val.i = constant */
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
M_IADD_IMM(s1, iptr->sx.val.i, d);
+ } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
+ M_ISUB_IMM(s1, (-iptr->sx.val.i), d);
} else {
+ /* XXX maybe use M_LDA? */
ICONST(REG_ITMP2, iptr->sx.val.i);
M_IADD(s1, REG_ITMP2, d);
}
case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
+ s2 = emit_load_s2(jd, iptr, REG_A1);
d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
- M_BEQZ(s2, 0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
- M_MOV(s1, rd->argintregs[0]);
- M_MOV(s2, rd->argintregs[1]);
- bte = iptr->val.a;
+ M_INTMOVE(s1, REG_A0);
+ M_INTMOVE(s2, REG_A1);
+ bte = iptr->sx.s23.s3.bte;
disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
+ s2 = emit_load_s2(jd, iptr, REG_A1);
d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
- M_BEQZ(s2, 0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
- M_MOV(s1, rd->argintregs[0]);
- M_MOV(s2, rd->argintregs[1]);
- bte = iptr->val.a;
+ M_INTMOVE(s1, REG_A0);
+ M_INTMOVE(s2, REG_A1);
+ bte = iptr->sx.s23.s3.bte;
disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
break;
case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
- /* sx.val.i = constant */
+ /* sx.val.i = constant */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
break;
case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
- /* sx.val.l = constant */
+ /* sx.val.l = constant */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
break;
case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
- /* sx.val.i = constant */
+ /* sx.val.i = constant */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
break;
case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
- /* sx.val.l = constant */
+ /* sx.val.l = constant */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
break;
- case ICMD_IINC: /* ..., value ==> ..., value + constant */
- /* s1.localindex = variable, sx.val.i = constant */
-
- var = &(rd->locals[iptr->s1.localindex][TYPE_INT]);
- if (var->flags & INMEMORY) {
- s1 = REG_ITMP1;
- M_LLD(s1, REG_SP, var->regoff * 8);
- } else
- s1 = var->regoff;
- if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
- M_IADD_IMM(s1, iptr->sx.val.i, s1);
- } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
- M_ISUB_IMM(s1, (-iptr->sx.val.i), s1);
- } else {
- M_LDA (s1, s1, iptr->sx.val.i);
- M_IADD(s1, REG_ZERO, s1);
- }
- if (var->flags & INMEMORY)
- M_LST(s1, REG_SP, var->regoff * 8);
- break;
-
-
/* floating operations ************************************************/
case ICMD_FNEG: /* ..., value ==> ..., - value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- gen_nullptr_check(s1);
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
+ /* implicit null-pointer check */
+ M_ILD(d, s1, OFFSET(java_array_t, size));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
- M_LADD (s2, s1, REG_ITMP1);
- M_BLDU (d, REG_ITMP1, OFFSET (java_bytearray, data[0]));
- M_BSEXT (d, d);
- } else {
M_LADD(s2, s1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0])+1);
+ M_BLDU(d, REG_ITMP1, OFFSET (java_bytearray_t, data[0]));
+ M_BSEXT(d, d);
+ }
+ else {
+ M_LADD(s2, s1, REG_ITMP1);
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0])+1);
M_EXTQH(REG_ITMP2, REG_ITMP1, d);
M_SRA_IMM(d, 56, d);
}
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SLDU(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
- } else {
+ M_SLDU(d, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ }
+ else {
M_LADD (s2, s1, REG_ITMP1);
M_LADD (s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
- M_LDA (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ M_LDA (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
M_EXTWL(REG_ITMP2, REG_ITMP1, d);
}
emit_store_dst(jd, iptr, d);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray, data[0]));
+ M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray_t, data[0]));
M_SSEXT(d, d);
} else {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0])+2);
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0])+2);
M_EXTQH(REG_ITMP2, REG_ITMP1, d);
M_SRA_IMM(d, 48, d);
}
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_S4ADDQ(s2, s1, REG_ITMP1);
- M_ILD(d, REG_ITMP1, OFFSET(java_intarray, data[0]));
+ M_ILD(d, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_S8ADDQ(s2, s1, REG_ITMP1);
- M_LLD(d, REG_ITMP1, OFFSET(java_longarray, data[0]));
+ M_LLD(d, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_S4ADDQ(s2, s1, REG_ITMP1);
- M_FLD(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_FLD(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_S8ADDQ(s2, s1, REG_ITMP1);
- M_DLD(d, REG_ITMP1, OFFSET(java_doublearray, data[0]));
+ M_DLD(d, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SAADDQ(s2, s1, REG_ITMP1);
- M_ALD(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+ M_ALD(d, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
- M_BST(s3, REG_ITMP1, OFFSET(java_bytearray, data[0]));
- } else {
+ M_BST(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
M_INSBL(s3, REG_ITMP1, REG_ITMP3);
M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SST(s3, REG_ITMP1, OFFSET(java_chararray, data[0]));
- } else {
+ M_SST(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
M_INSWL(s3, REG_ITMP1, REG_ITMP3);
M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SST(s3, REG_ITMP1, OFFSET(java_shortarray, data[0]));
- } else {
+ M_SST(s3, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
M_INSWL(s3, REG_ITMP1, REG_ITMP3);
M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_S4ADDQ(s2, s1, REG_ITMP1);
- M_IST(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
+ M_IST(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
break;
case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_S8ADDQ(s2, s1, REG_ITMP1);
- M_LST(s3, REG_ITMP1, OFFSET(java_longarray, data[0]));
+ M_LST(s3, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
break;
case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_S4ADDQ(s2, s1, REG_ITMP1);
- M_FST(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+ M_FST(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
break;
case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_S8ADDQ(s2, s1, REG_ITMP1);
- M_DST(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
+ M_DST(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
break;
case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, REG_ITMP3);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_A1);
+
+ M_INTMOVE(s1, REG_A0);
+ M_INTMOVE(s3, REG_A1);
- M_MOV(s1, rd->argintregs[0]);
- M_MOV(s3, rd->argintregs[1]);
disp = dseg_add_functionptr(cd, BUILTIN_canstore);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
-
- M_BEQZ(REG_RESULT, 0);
- codegen_add_arraystoreexception_ref(cd);
+ emit_exception_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SAADDQ(s2, s1, REG_ITMP1);
- M_AST(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
- break;
-
-
- case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_S4ADDQ(s2, s1, REG_ITMP1);
- M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray, data[0]));
- break;
-
- case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_S8ADDQ(s2, s1, REG_ITMP1);
- M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray, data[0]));
+ M_AST(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
break;
- case ICMD_AASTORECONST: /* ..., arrayref, index ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_SAADDQ(s2, s1, REG_ITMP1);
- M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray, data[0]));
- break;
case ICMD_BASTORECONST: /* ..., arrayref, index ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
- M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray, data[0]));
-
- } else {
+ M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray, data[0]));
-
- } else {
+ M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
if (has_ext_instr_set) {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray, data[0]));
-
- } else {
+ M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
+ }
+ else {
M_LADD(s2, s1, REG_ITMP1);
M_LADD(s2, REG_ITMP1, REG_ITMP1);
- M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
- M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
+ M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
+ M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
}
break;
+ case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */
- case ICMD_GETSTATIC: /* ... ==> ..., value */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_S4ADDQ(s2, s1, REG_ITMP1);
+ M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
+ break;
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
+ case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */
- fieldtype = uf->fieldref->parseddesc.fd->type;
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_S8ADDQ(s2, s1, REG_ITMP1);
+ M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
+ break;
- unresolved_field *uf = iptr->sx.s23.s3.uf;
+ case ICMD_AASTORECONST: /* ..., arrayref, index ==> ... */
- disp = dseg_add_unique_address(cd, uf);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SAADDQ(s2, s1, REG_ITMP1);
+ M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
+ break;
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
- if (opt_showdisassemble)
- M_NOP;
- }
- else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
+ case ICMD_GETSTATIC: /* ... ==> ..., value */
- disp = dseg_add_address(cd, &(fi->value));
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = dseg_add_unique_address(cd, uf);
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
- 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = dseg_add_address(cd, fi->value);
- if (opt_showdisassemble)
- M_NOP;
- }
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
+ 0);
}
M_ALD(REG_ITMP1, REG_PV, disp);
case ICMD_PUTSTATIC: /* ..., value ==> ... */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = dseg_add_unique_address(cd, uf);
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
- disp = dseg_add_unique_address(cd, uf);
-
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
- disp = dseg_add_address(cd, &(fi->value));
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
- 0);
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = dseg_add_address(cd, fi->value);
- if (opt_showdisassemble)
- M_NOP;
- }
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
+ 0);
}
M_ALD(REG_ITMP1, REG_PV, disp);
/* following NOP) */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = dseg_add_unique_address(cd, uf);
- unresolved_field *uf = uf;
-
- disp = dseg_add_unique_address(cd, uf);
-
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
+ disp = dseg_add_address(cd, fi->value);
-
- disp = dseg_add_address(cd, &(fi->value));
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
- 0);
-
- if (opt_showdisassemble)
- M_NOP;
- }
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
+ 0);
}
M_ALD(REG_ITMP1, REG_PV, disp);
case ICMD_GETFIELD: /* ... ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
- disp = fi->offset;
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
-
- if (!IS_FLT_DBL_TYPE(fieldtype)) {
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- } else {
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- }
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
-
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
+ disp = 0;
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
- disp = fi->offset;
+ uf = NULL;
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
}
+ if (IS_INT_LNG_TYPE(fieldtype))
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ else
+ s2 = emit_load_s2(jd, iptr, REG_FTMP2);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr))
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
+
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST(s2, s1, disp);
/* following NOP) */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
- unresolved_field *uf = uf;
-
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
-
- disp = fi->offset;
+ disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST(REG_ZERO, s1, disp);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_class *uc = iptr->sx.s23.s2.uc;
- codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
}
#endif /* ENABLE_VERIFIER */
break;
case ICMD_GOTO: /* ... ==> ... */
- M_BR(0);
- codegen_addreference(cd, iptr->dst.block);
+ case ICMD_RET: /* ... ==> ... */
+
+ emit_br(cd, iptr->dst.block);
ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_BSR(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
- break;
-
- case ICMD_RET: /* ... ==> ... */
- /* s1.localindex = local variable */
-
- var = &(rd->locals[iptr->s1.localindex][TYPE_ADR]);
- if (var->flags & INMEMORY) {
- M_ALD(REG_ITMP1, REG_SP, 8 * var->regoff);
- M_RET(REG_ZERO, REG_ITMP1);
- }
- else
- M_RET(REG_ZERO, var->regoff);
+ emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
ALIGNCODENOP;
break;
-
+
case ICMD_IFNULL: /* ..., value ==> ... */
+ case ICMD_IFNONNULL:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_BEQZ(s1, 0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_BNEZ(s1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
break;
case ICMD_IFEQ: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BEQZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_beqz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IFLT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BLTZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_bltz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IFLE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BLEZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_blez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IFNE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BNEZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_bnez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IFGT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BGTZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_bgtz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IFGE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0) {
- M_BGEZ(s1, 0);
- }
+ if (iptr->sx.val.i == 0)
+ emit_bgez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- }
else {
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LEQ: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BEQZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_beqz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LLT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BLTZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_bltz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LLE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BLEZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_blez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BNEZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LNE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BNEZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_bnez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LGT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BGTZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_bgtz(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_LGE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.l == 0) {
- M_BGEZ(s1, 0);
- }
+ if (iptr->sx.val.l == 0)
+ emit_bgez(cd, iptr->dst.block, s1);
else {
- if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
+ if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
- }
else {
LCONST(REG_ITMP2, iptr->sx.val.l);
M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- M_BEQZ(REG_ITMP1, 0);
}
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ }
break;
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPEQ(s1, s2, REG_ITMP1);
- M_BNEZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPEQ(s1, s2, REG_ITMP1);
- M_BEQZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPLT(s1, s2, REG_ITMP1);
- M_BNEZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPLE(s1, s2, REG_ITMP1);
- M_BEQZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPLE(s1, s2, REG_ITMP1);
- M_BNEZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMPLT(s1, s2, REG_ITMP1);
- M_BEQZ(REG_ITMP1, 0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IRETURN: /* ..., retvalue ==> ... */
case ICMD_LRETURN:
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
goto nowperformreturn;
case ICMD_ARETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_INTMOVE(s1, REG_RESULT);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_class *uc = iptr->sx.s23.s2.uc;
- codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
}
#endif /* ENABLE_VERIFIER */
goto nowperformreturn;
case ICMD_FRETURN: /* ..., retvalue ==> ... */
case ICMD_DRETURN:
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_FRESULT);
M_FLTMOVE(s1, REG_FRESULT);
goto nowperformreturn;
case ICMD_RETURN: /* ... ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+
nowperformreturn:
{
s4 i, p;
#if defined(ENABLE_THREADS)
if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 8);
+ M_ALD(REG_A0, REG_SP, rd->memuse * 8);
switch (iptr->opc) {
case ICMD_IRETURN:
case ICMD_TABLESWITCH: /* ..., index ==> ... */
{
- s4 i, l, *s4ptr;
- void **tptr;
+ s4 i, l;
+ branch_target_t *table;
- tptr = iptr->dst.table;
+ table = iptr->dst.table;
+
+ l = iptr->sx.s23.s2.tablelow;
+ i = iptr->sx.s23.s3.tablehigh;
- s4ptr = iptr->val.a;
- l = s4ptr[1]; /* low */
- i = s4ptr[2]; /* high */
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
if (l == 0) {
M_INTMOVE(s1, REG_ITMP1);
ICONST(REG_ITMP2, l);
M_ISUB(s1, REG_ITMP2, REG_ITMP1);
}
+
+ /* number of targets */
i = i - l + 1;
/* range check */
M_LDA(REG_ITMP2, REG_ZERO, i - 1);
M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
}
- M_BEQZ(REG_ITMP2, 0);
- codegen_addreference(cd, (basicblock *) tptr[0]);
+ emit_beqz(cd, table[0].block, REG_ITMP2);
/* build jump table top down and use address of lowest entry */
- /* s4ptr += 3 + i; */
- tptr += i;
+ table += i;
while (--i >= 0) {
- dseg_add_target(cd, (basicblock *) tptr[0]);
- --tptr;
+ dseg_add_target(cd, table->block);
+ --table;
}
}
case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
{
- s4 i, l, val, *s4ptr;
- void **tptr;
+ s4 i, val;
+ lookup_target_t *lookup;
- tptr = iptr->dst.lookup;
+ lookup = iptr->dst.lookup;
- s4ptr = iptr->val.a;
- l = s4ptr[0]; /* default */
- i = s4ptr[1]; /* count */
+ i = iptr->sx.s23.s2.lookupcount;
MCODECHECK((i<<2)+8);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- while (--i >= 0) {
- s4ptr += 2;
- ++tptr;
- val = s4ptr[0];
+ while (--i >= 0) {
+ val = lookup->value;
if ((val >= 0) && (val <= 255)) {
M_CMPEQ_IMM(s1, val, REG_ITMP2);
} else {
}
M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
}
- M_BNEZ(REG_ITMP2, 0);
- codegen_addreference(cd, (basicblock *) tptr[0]);
+ emit_bnez(cd, lookup->target.block, REG_ITMP2);
+ lookup++;
}
- M_BR(0);
-
- tptr = iptr->dst.lookup;
- codegen_addreference(cd, (basicblock *) tptr[0]);
-
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
ALIGNCODENOP;
break;
}
case ICMD_BUILTIN: /* ..., arg1, arg2, arg3 ==> ... */
- bte = iptr->val.a;
- md = bte->md;
+ bte = iptr->sx.s23.s3.bte;
+ md = bte->md;
goto gen_method;
case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
case ICMD_INVOKEINTERFACE:
+ REPLACEMENT_POINT_INVOKE(cd, iptr);
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- md = iptr->sx.s23.s3.um->methodref->parseddesc.md;
lm = NULL;
+ um = iptr->sx.s23.s3.um;
+ md = um->methodref->parseddesc.md;
}
else {
lm = iptr->sx.s23.s3.fmiref->p.method;
+ um = NULL;
md = lm->parseddesc;
}
/* copy arguments to registers or stack location */
- for (s3 = s3 - 1; s3 >= 0; s3--, src = src->prev) {
- if (src->varkind == ARGVAR)
+ for (s3 = s3 - 1; s3 >= 0; s3--) {
+ var = VAR(iptr->sx.s23.s2.args[s3]);
+ d = md->params[s3].regoff;
+
+ /* already preallocated (ARGVAR)? */
+
+ if (var->flags & PREALLOC)
continue;
- if (IS_INT_LNG_TYPE(src->type)) {
+
+ if (IS_INT_LNG_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, src, s1);
- M_INTMOVE(d, s1);
- } else {
- d = emit_load(jd, iptr, src, REG_ITMP1);
- M_LST(d, REG_SP, md->params[s3].regoff * 8);
+ s1 = emit_load(jd, iptr, var, d);
+ M_INTMOVE(s1, d);
}
-
- } else {
+ else {
+ s1 = emit_load(jd, iptr, var, REG_ITMP1);
+ M_LST(s1, REG_SP, d);
+ }
+ }
+ else {
if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, src, s1);
- M_FLTMOVE(d, s1);
- } else {
- d = emit_load(jd, iptr, src, REG_FTMP1);
- M_DST(d, REG_SP, md->params[s3].regoff * 8);
+ s1 = emit_load(jd, iptr, var, d);
+ M_FLTMOVE(s1, d);
+ }
+ else {
+ s1 = emit_load(jd, iptr, var, REG_FTMP1);
+ M_DST(s1, REG_SP, d);
}
}
}
switch (iptr->opc) {
case ICMD_BUILTIN:
disp = dseg_add_functionptr(cd, bte->fp);
- d = md->returntype.type;
M_ALD(REG_PV, REG_PV, disp); /* Pointer to built-in-function */
+
+ /* generate the actual call */
+
M_JSR(REG_RA, REG_PV);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
-
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_BEQZ(REG_RESULT, 0);
- codegen_add_fillinstacktrace_ref(cd);
- }
+ emit_exception_check(cd, iptr);
break;
case ICMD_INVOKESPECIAL:
- M_BEQZ(rd->argintregs[0], 0);
- codegen_add_nullpointerexception_ref(cd);
- /* fall through */
+ emit_nullpointer_check(cd, iptr, REG_A0);
+ /* fall-through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
disp = dseg_add_unique_address(cd, um);
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
- um, disp);
-
- if (opt_showdisassemble)
- M_NOP;
-
- d = um->methodref->parseddesc.md->returntype.type;
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
+ um, disp);
}
- else {
+ else
disp = dseg_add_address(cd, lm->stubroutine);
- d = lm->parseddesc->returntype.type;
- }
M_ALD(REG_PV, REG_PV, disp); /* method pointer in r27 */
+
+ /* generate the actual call */
+
M_JSR(REG_RA, REG_PV);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
break;
case ICMD_INVOKEVIRTUAL:
- gen_nullptr_check(rd->argintregs[0]);
-
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
s1 = 0;
- d = um->methodref->parseddesc.md->returntype.type;
}
- else {
+ else
s1 = OFFSET(vftbl_t, table[0]) +
sizeof(methodptr) * lm->vftblindex;
- d = lm->parseddesc->returntype.type;
- }
- M_ALD(REG_METHODPTR, rd->argintregs[0],
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
M_ALD(REG_PV, REG_METHODPTR, s1);
+
+ /* generate the actual call */
+
M_JSR(REG_RA, REG_PV);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
break;
case ICMD_INVOKEINTERFACE:
- gen_nullptr_check(rd->argintregs[0]);
-
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
s1 = 0;
s2 = 0;
- d = um->methodref->parseddesc.md->returntype.type;
}
else {
s1 = OFFSET(vftbl_t, interfacetable[0]) -
sizeof(methodptr*) * lm->class->index;
s2 = sizeof(methodptr) * (lm - lm->class->methods);
-
- d = lm->parseddesc->returntype.type;
}
- M_ALD(REG_METHODPTR, rd->argintregs[0],
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD(REG_PV, REG_METHODPTR, s2);
+
+ /* generate the actual call */
+
M_JSR(REG_RA, REG_PV);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
break;
}
- /* d contains return type */
+ /* store the return value */
+
+ d = md->returntype.type;
if (d != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(iptr->dst->type)) {
+ if (IS_INT_LNG_TYPE(d)) {
s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, s1);
-/* emit_store_dst(jd, iptr, s1); */
- } else {
+ }
+ else {
s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
M_FLTMOVE(REG_FRESULT, s1);
-/* emit_store_dst(jd, iptr, s1); */
}
emit_store_dst(jd, iptr, s1);
}
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
- /* val.a: (classinfo*) superclass */
-
- /* superclass is an interface:
- *
- * OK if ((sub == NULL) ||
- * (sub->vftbl->interfacetablelength > super->index) &&
- * (sub->vftbl->interfacetable[-super->index] != NULL));
- *
- * superclass is a class:
- *
- * OK if ((sub == NULL) || (0
- * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
- * super->vftbl->diffval));
- */
-
if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
/* object type cast-check */
classinfo *super;
- vftbl_t *supervftbl;
s4 superindex;
- super = iptr->sx.s23.s3.c.cls;
-
- if (super == NULL) {
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ super = NULL;
superindex = 0;
- supervftbl = NULL;
}
else {
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- /* calculate interface checkcast code size */
-
- s2 = 6;
- if (super == NULL)
- s2 += opt_showdisassemble ? 1 : 0;
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
- /* calculate class checkcast code size */
-
- s3 = 9 /* 8 + (s1 == REG_ITMP1) */;
- if (super == NULL)
- s3 += opt_showdisassemble ? 1 : 0;
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
if (super == NULL) {
- M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
+ emit_label_beqz(cd, BRANCH_LABEL_1, s1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
- iptr->sx.s23.s3.c.ref,
- disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
+ iptr->sx.s23.s3.c.ref,
+ disp);
M_ILD(REG_ITMP2, REG_PV, disp);
disp = dseg_add_s4(cd, ACC_INTERFACE);
M_ILD(REG_ITMP3, REG_PV, disp);
M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
- M_BEQZ(REG_ITMP2, s2 + 1);
+ emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
}
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super == NULL) {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref,
- 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd,
+ PATCHER_checkcast_interface,
+ iptr->sx.s23.s3.c.ref,
+ 0);
}
else
- M_BEQZ(s1, s2);
+ emit_label_beqz(cd, BRANCH_LABEL_3, s1);
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP2,
OFFSET(vftbl_t, interfacetablelength));
M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
- M_BLEZ(REG_ITMP3, 0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
+
M_ALD(REG_ITMP3, REG_ITMP2,
(s4) (OFFSET(vftbl_t, interfacetable[0]) -
superindex * sizeof(methodptr*)));
- M_BEQZ(REG_ITMP3, 0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
if (super == NULL)
- M_BR(s3);
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
}
/* class checkcast code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
if (super == NULL) {
- disp = dseg_add_unique_address(cd, NULL);
+ emit_label(cd, BRANCH_LABEL_2);
- codegen_addpatchref(cd,
- PATCHER_resolve_classref_to_vftbl,
- iptr->sx.s23.s3.c.ref,
- disp);
+ disp = dseg_add_unique_address(cd, NULL);
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_vftbl,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
else {
- disp = dseg_add_address(cd, supervftbl);
+ disp = dseg_add_address(cd, super->vftbl);
- M_BEQZ(s1, s3);
+ emit_label_beqz(cd, BRANCH_LABEL_5, s1);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ITMP3, REG_PV, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
/* if (s1 != REG_ITMP1) { */
/* M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
M_ALD(REG_ITMP3, REG_PV, disp);
M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
/* } */
M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
- M_BEQZ(REG_ITMP3, 0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
+
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
d = codegen_reg_of_dst(jd, iptr, s1);
else {
/* array type cast-check */
- s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
- M_INTMOVE(s1, rd->argintregs[0]);
-
- disp = dseg_addaddress(cd, iptr->sx.s23.s3.c.cls);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
+ M_INTMOVE(s1, REG_A0);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd,
- PATCHER_resolve_classref_to_classinfo,
- iptr->sx.s23.s3.c.ref,
- disp);
+ disp = dseg_add_unique_address(cd, NULL);
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_classinfo,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
+ else
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
- M_ALD(rd->argintregs[1], REG_PV, disp);
- disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
+ M_ALD(REG_A1, REG_PV, disp);
+ disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_BEQZ(REG_RESULT, 0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
d = codegen_reg_of_dst(jd, iptr, s1);
}
case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
- /* val.a: (classinfo*) superclass */
-
- /* superclass is an interface:
- *
- * return (sub != NULL) &&
- * (sub->vftbl->interfacetablelength > super->index) &&
- * (sub->vftbl->interfacetable[-super->index] != NULL);
- *
- * superclass is a class:
- *
- * return ((sub != NULL) && (0
- * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
- * super->vftbl->diffvall));
- */
-
{
classinfo *super;
vftbl_t *supervftbl;
s4 superindex;
- super = (classinfo *) iptr->val.a;
-
- if (super == NULL) {
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ super = NULL;
superindex = 0;
supervftbl = NULL;
- }
- else {
+
+ } else {
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
supervftbl = super->vftbl;
}
-
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
if (s1 == d) {
M_MOV(s1, REG_ITMP1);
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 6;
- if (super == NULL)
- s2 += (d == REG_ITMP2 ? 1 : 0) + (opt_showdisassemble ? 1 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 7;
- if (super == NULL)
- s3 += (opt_showdisassemble ? 1 : 0);
-
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_CLR(d);
- M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
+ emit_label_beqz(cd, BRANCH_LABEL_1, s1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
- iptr->sx.s23.s3.c.ref, disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
+ iptr->sx.s23.s3.c.ref, disp);
M_ILD(REG_ITMP3, REG_PV, disp);
disp = dseg_add_s4(cd, ACC_INTERFACE);
M_ILD(REG_ITMP2, REG_PV, disp);
M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
- M_BEQZ(REG_ITMP3, s2 + 1);
+ emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
}
/* interface instanceof code */
if (d == REG_ITMP2)
M_CLR(d);
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd,
+ PATCHER_instanceof_interface,
+ iptr->sx.s23.s3.c.ref, 0);
}
else {
M_CLR(d);
- M_BEQZ(s1, s2);
+ emit_label_beqz(cd, BRANCH_LABEL_3, s1);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
M_BLEZ(REG_ITMP3, 2);
M_CMPULT(REG_ZERO, REG_ITMP1, d); /* REG_ITMP1 != 0 */
if (super == NULL)
- M_BR(s3);
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
}
/* class instanceof code */
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
if (super == NULL) {
- disp = dseg_add_unique_address(cd, NULL);
+ emit_label(cd, BRANCH_LABEL_2);
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl,
- iptr->sx.s23.s3.c.ref,
- disp);
+ disp = dseg_add_unique_address(cd, NULL);
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
else {
disp = dseg_add_address(cd, supervftbl);
M_CLR(d);
- M_BEQZ(s1, s3);
+ emit_label_beqz(cd, BRANCH_LABEL_5, s1);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ITMP2, REG_PV, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
M_CMPULE(REG_ITMP1, REG_ITMP2, d);
+
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
+
emit_store_dst(jd, iptr, d);
}
break;
MCODECHECK((iptr->s1.argcount << 1) + 64);
- for (s1 = iptr->s1.argcount; --s1 >= 0; src = src->prev) {
+ for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
+
+ var = VAR(iptr->sx.s23.s2.args[s1]);
+
/* copy SAVEDVAR sizes to stack */
- if (src->varkind != ARGVAR) {
- s2 = emit_load(jd, iptr, src, REG_ITMP1);
+ /* Already Preallocated? */
+
+ if (!(var->flags & PREALLOC)) {
+ s2 = emit_load(jd, iptr, var, REG_ITMP1);
M_LST(s2, REG_SP, s1 * 8);
}
}
/* a0 = dimension count */
- ICONST(rd->argintregs[0], iptr->s1.argcount);
+ ICONST(REG_A0, iptr->s1.argcount);
/* is patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, 0);
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
- iptr->sx.s23.s3.c.ref,
- disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
else
disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
/* a1 = arraydescriptor */
- M_ALD(rd->argintregs[1], REG_PV, disp);
+ M_ALD(REG_A1, REG_PV, disp);
/* a2 = pointer to dimensions = stack pointer */
- M_INTMOVE(REG_SP, rd->argintregs[2]);
+ M_INTMOVE(REG_SP, REG_A2);
disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
M_ALD(REG_PV, REG_PV, disp);
/* check for exception before result assignment */
- M_BEQZ(REG_RESULT, 0);
- codegen_add_fillinstacktrace_ref(cd);
+ emit_exception_check(cd, iptr);
d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, d);
break;
default:
- *exceptionptr =
- new_internalerror("Unknown ICMD %d", iptr->opc);
+ exceptions_throw_internalerror("Unknown ICMD %d during code generation",
+ iptr->opc);
return false;
} /* switch */
} /* for instruction */
- /* copy values to interface registers */
-
- src = bptr->outstack;
- len = bptr->outdepth;
- MCODECHECK(64+len);
-#if defined(ENABLE_LSRA)
- if (!opt_lsra)
-#endif
- while (src) {
- len--;
- if ((src->varkind != STACKVAR)) {
- s2 = src->type;
- if (IS_FLT_DBL_TYPE(s2)) {
- /* XXX can be one call */
- s1 = emit_load(jd, NULL, src, REG_FTMP1);
- if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
- M_FLTMOVE(s1,rd->interfaces[len][s2].regoff);
- }
- else {
- M_DST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
- }
- }
- else {
- /* XXX can be one call */
- s1 = emit_load(jd, NULL, src, REG_ITMP1);
- if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
- M_INTMOVE(s1,rd->interfaces[len][s2].regoff);
- }
- else {
- M_LST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
- }
- }
- }
- src = src->prev;
- }
} /* if (bptr -> flags >= BBREACHED) */
} /* for basic block */
dseg_createlinenumbertable(cd);
- /* generate stubs */
-
- emit_exception_stubs(jd);
- emit_patcher_stubs(jd);
- emit_replacement_stubs(jd);
+ /* generate traps */
- codegen_finish(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
}
-/* createcompilerstub **********************************************************
+/* codegen_emit_stub_compiler **************************************************
- Creates a stub routine which calls the compiler.
+ Emits a stub routine which calls the compiler.
*******************************************************************************/
-#define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
-#define COMPILERSTUB_CODESIZE 3 * 4
-
-#define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
-
-
-u1 *createcompilerstub(methodinfo *m)
+void codegen_emit_stub_compiler(jitdata *jd)
{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
- codeinfo *code;
+ methodinfo *m;
codegendata *cd;
- s4 dumpsize; /* code generation pointer */
-
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
-
- /* mark start of dump memory area */
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* Store the codeinfo pointer in the same place as in the
- methodheader for compiled methods. */
-
- code = code_codeinfo_new(m);
+ /* get required compiler data */
- d[0] = (ptrint) asm_call_jit_compiler;
- d[1] = (ptrint) m;
- d[2] = (ptrint) code;
+ m = jd->m;
+ cd = jd->cd;
/* code for the stub */
M_ALD(REG_ITMP1, REG_PV, -2 * 8); /* load codeinfo pointer */
M_ALD(REG_PV, REG_PV, -3 * 8); /* load pointer to the compiler */
M_JMP(REG_ZERO, REG_PV); /* jump to the compiler */
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
}
-/* createnativestub ************************************************************
+/* codegen_emit_stub_native ****************************************************
- Creates a stub routine which calls a native method.
+ Emits a stub routine which calls a native method.
*******************************************************************************/
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2, disp;
- s4 funcdisp; /* displacement of the function */
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ methoddesc *md;
+ s4 nativeparams;
+ s4 i, j; /* count variables */
+ s4 t;
+ s4 s1, s2, disp;
+ s4 funcdisp; /* displacement of the function */
/* get required compiler data */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
/* initialize variables */
sizeof(stackframeinfo) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
1 + /* methodinfo for call trace */
- (md->paramcount > INT_ARG_CNT ? INT_ARG_CNT : md->paramcount) +
+ md->paramcount +
nmd->memuse;
/* create method header */
funcdisp = dseg_add_functionptr(cd, f);
#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL) {
- codegen_addpatchref(cd, PATCHER_resolve_native_function, m, funcdisp);
-
- if (opt_showdisassemble)
- M_NOP;
- }
+ if (f == NULL)
+ patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
#endif
/* save integer and float argument registers */
- for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
- M_LST(rd->argintregs[i], REG_SP, j * 8);
- j++;
- }
- }
+ for (i = 0; i < md->paramcount; i++) {
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
- for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- M_DST(rd->argfltregs[i], REG_SP, j * 8);
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LST(s1, REG_SP, i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(s1, REG_SP, i * 8);
+ break;
+ }
}
}
/* prepare data structures for native function call */
- M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
- M_MOV(REG_PV, rd->argintregs[1]);
- M_LDA(rd->argintregs[2], REG_SP, cd->stackframesize * 8);
- M_ALD(rd->argintregs[3], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
+ M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
+ M_MOV(REG_PV, REG_A1);
+ M_LDA(REG_A2, REG_SP, cd->stackframesize * 8);
+ M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
/* restore integer and float argument registers */
- for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
- M_LLD(rd->argintregs[i], REG_SP, j * 8);
- j++;
- }
- }
+ for (i = 0; i < md->paramcount; i++) {
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
- for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- M_DLD(rd->argfltregs[i], REG_SP, j * 8);
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LLD(s1, REG_SP, i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(s1, REG_SP, i * 8);
+ break;
+ }
}
}
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
- if (!nmd->params[j].inmemory) {
- s2 = rd->argintregs[nmd->params[j].regoff];
+ if (!nmd->params[j].inmemory)
M_INTMOVE(s1, s2);
-
- } else {
- s2 = nmd->params[j].regoff;
- M_LST(s1, REG_SP, s2 * 8);
- }
-
- } else {
- s1 = md->params[i].regoff + cd->stackframesize;
+ else
+ M_LST(s1, REG_SP, s2);
+ }
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- M_LLD(REG_ITMP1, REG_SP, s1 * 8);
- M_LST(REG_ITMP1, REG_SP, s2 * 8);
+ M_LLD(REG_ITMP1, REG_SP, s1);
+ M_LST(REG_ITMP1, REG_SP, s2);
}
-
- } else {
+ }
+ else {
if (!md->params[i].inmemory) {
- s1 = rd->argfltregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
- if (!nmd->params[j].inmemory) {
- s2 = rd->argfltregs[nmd->params[j].regoff];
+ if (!nmd->params[j].inmemory)
M_FLTMOVE(s1, s2);
-
- } else {
- s2 = nmd->params[j].regoff;
+ else {
if (IS_2_WORD_TYPE(t))
- M_DST(s1, REG_SP, s2 * 8);
+ M_DST(s1, REG_SP, s2);
else
- M_FST(s1, REG_SP, s2 * 8);
+ M_FST(s1, REG_SP, s2);
}
-
- } else {
- s1 = md->params[i].regoff + cd->stackframesize;
+ }
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- M_DLD(REG_FTMP1, REG_SP, s1 * 8);
+ M_DLD(REG_FTMP1, REG_SP, s1);
if (IS_2_WORD_TYPE(t))
- M_DST(REG_FTMP1, REG_SP, s2 * 8);
+ M_DST(REG_FTMP1, REG_SP, s2);
else
- M_FST(REG_FTMP1, REG_SP, s2 * 8);
+ M_FST(REG_FTMP1, REG_SP, s2);
}
}
}
if (m->flags & ACC_STATIC) {
disp = dseg_add_address(cd, m->class);
- M_ALD(rd->argintregs[1], REG_PV, disp);
+ M_ALD(REG_A1, REG_PV, disp);
}
/* put env into first argument register */
disp = dseg_add_address(cd, _Jv_env);
- M_ALD(rd->argintregs[0], REG_PV, disp);
+ M_ALD(REG_A0, REG_PV, disp);
/* do the native function call */
/* save return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type))
- M_LST(REG_RESULT, REG_SP, 0 * 8);
- else
- M_DST(REG_FRESULT, REG_SP, 0 * 8);
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LST(REG_RESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(REG_FRESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_VOID:
+ break;
}
/* call finished trace */
/* remove native stackframe info */
- M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
+ M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
/* restore return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type))
- M_LLD(REG_RESULT, REG_SP, 0 * 8);
- else
- M_DLD(REG_FRESULT, REG_SP, 0 * 8);
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LLD(REG_RESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(REG_FRESULT, REG_SP, 0 * 8);
+ break;
+ case TYPE_VOID:
+ break;
}
M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA */
M_ALD(REG_ITMP3, REG_PV, disp); /* load asm exception handler address */
M_JMP(REG_ZERO, REG_ITMP3); /* jump to asm exception handler */
-
/* generate patcher stubs */
- emit_patcher_stubs(jd);
-
- codegen_finish(jd);
-
- return code->entrypoint;
+ emit_patcher_traps(jd);
}
projects / cacao.git / blobdiff