/* src/vm/jit/x86_64/codegen.c - machine code generator for x86_64
- 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
- Christian Thalinger
-
- Changes: Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 5507 2006-09-15 09:19:11Z christian $
+ $Id: codegen.c 7590 2007-03-28 18:54:02Z twisti $
*/
#include "vm/types.h"
-#include "md.h"
#include "md-abi.h"
#include "vm/jit/x86_64/arch.h"
#include "vm/jit/x86_64/codegen.h"
-#include "vm/jit/x86_64/md-emit.h"
+#include "vm/jit/x86_64/emit.h"
#include "mm/memory.h"
#include "native/jni.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
-#include "vm/loader.h"
-#include "vm/options.h"
-#include "vm/statistics.h"
#include "vm/stringlocal.h"
#include "vm/vm.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/methodheader.h"
#include "vm/jit/parse.h"
#include "vm/jit/patcher.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"
+#include "vmcore/statistics.h"
-/* codegen *********************************************************************
+
+/* codegen_emit ****************************************************************
Generates machine code.
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
s4 len, s1, s2, s3, d, disp;
u2 currentline;
ptrint a;
- s4 fieldtype;
- varinfo *var, *var1, *var2, *dst;
+ varinfo *var, *dst;
basicblock *bptr;
instruction *iptr;
- exceptiontable *ex;
+ exception_entry *ex;
+ constant_classref *cr;
+ unresolved_class *uc;
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;
- lm = NULL;
+ d = 0;
+ lm = NULL;
+ um = NULL;
bte = NULL;
{
/* create method header */
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, cd->stackframesize * 8); /* FrameSize */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
#if defined(ENABLE_THREADS)
/* IsSync contains the offset relative to the stack pointer for the
*/
if (checksync && (m->flags & ACC_SYNCHRONIZED))
- (void) dseg_adds4(cd, (rd->memuse + 1) * 8); /* IsSync */
+ (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
else
#endif
- (void) dseg_adds4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
- (void) dseg_adds4(cd, jd->isleafmethod); /* IsLeaf */
- (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
- (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
+ (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
+ (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
(void) dseg_addlinenumbertablesize(cd);
- (void) dseg_adds4(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) {
- dseg_addtarget(cd, ex->start);
- dseg_addtarget(cd, ex->end);
- dseg_addtarget(cd, ex->handler);
- (void) dseg_addaddress(cd, ex->catchtype.any);
+ 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.any);
}
-
+
+#if defined(ENABLE_PROFILING)
/* generate method profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
PROFILE_CYCLE_START;
}
+#endif
/* create stack frame (if necessary) */
if (varindex == UNUSED)
continue;
- var = jd->var + varindex;
+ var = VAR(varindex);
s1 = md->params[p].regoff;
}
else {
M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ M_BNE(8);
+ M_ALD_MEM(REG_A0, EXCEPTION_HARDWARE_NULLPOINTER);
}
M_AST(REG_A0, REG_SP, s1 * 8);
/* end of header generation */
- replacementpoint = jd->code->rplpoints;
+ /* create replacement points */
+
+ REPLACEMENT_POINTS_INIT(cd, jd);
/* walk through all basic blocks */
- for (bptr = jd->new_basicblocks; bptr != NULL; bptr = bptr->next) {
+ for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
bptr->mpc = (u4) ((u1 *) cd->mcodeptr - cd->mcodebase);
if (bptr->flags >= BBREACHED) {
- /* branch resolving */
+ /* branch resolving */
- branchref *bref;
- for (bref = bptr->branchrefs; bref != NULL; bref = bref->next) {
- gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
- bref->branchpos,
- bptr->mpc);
- }
+ codegen_resolve_branchrefs(cd, bptr);
/* handle replacement points */
-#if 0
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
-
- assert(cd->lastmcodeptr <= cd->mcodeptr);
- cd->lastmcodeptr = cd->mcodeptr + 5; /* 5 byte jmp patch */
- }
-#endif
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
/* copy interface registers to their destination */
len = bptr->indepth;
MCODECHECK(512);
+#if defined(ENABLE_PROFILING)
/* generate basicblock profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
if (bptr->type == BBTYPE_EXH)
PROFILE_CYCLE_START;
}
+#endif
#if defined(ENABLE_LSRA)
if (opt_lsra) {
while (len) {
len--;
src = bptr->invars[len];
- if ((len == 0) && (bptr->type != BBTYPE_STD)) {
- if (bptr->type == BBTYPE_SBR) {
-/* d = reg_of_var(rd, src, REG_ITMP1); */
- if (!IS_INMEMORY(src->flags))
- d = src->vv.regoff;
- else
- d = REG_ITMP1;
- M_POP(d);
- emit_store(jd, NULL, src, d);
-
- } else if (bptr->type == BBTYPE_EXH) {
+ if ((len == bptr->indepth-1) && (bptr->type != BBTYPE_STD)) {
+ if (bptr->type == BBTYPE_EXH) {
/* d = reg_of_var(rd, src, REG_ITMP1); */
if (!IS_INMEMORY(src->flags))
d= src->vv.regoff;
while (len) {
len--;
- varindex = bptr->invars[len];
- var = jd->var + varindex;
+ var = VAR(bptr->invars[len]);
if ((len == bptr->indepth-1) && (bptr->type != BBTYPE_STD)) {
- if (bptr->type == BBTYPE_SBR) {
- d = codegen_reg_of_var(0, var, REG_ITMP1);
- M_POP(d);
- emit_store(jd, NULL, var, d);
-
- }
- else if (bptr->type == BBTYPE_EXH) {
+ if (bptr->type == BBTYPE_EXH) {
d = codegen_reg_of_var(0, var, REG_ITMP1);
M_INTMOVE(REG_ITMP1, d);
emit_store(jd, NULL, var, d);
}
-
- } else {
- assert((var->flags & OUTVAR));
- d = codegen_reg_of_var(0, var, REG_ITMP1);
+ }
+ else {
+ assert((var->flags & INOUT));
}
}
#if defined(ENABLE_LSRA)
MCODECHECK(1024); /* 1KB should be enough */
- switch (iptr->opc) {
- case ICMD_INLINE_START: /* internal ICMDs */
- case ICMD_INLINE_END:
- break;
+ switch (iptr->opc) {
+ case ICMD_NOP: /* ... ==> ... */
+ case ICMD_POP: /* ..., value ==> ... */
+ case ICMD_POP2: /* ..., value, value ==> ... */
+ break;
- case ICMD_NOP: /* ... ==> ... */
- break;
+ case ICMD_INLINE_START:
- case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
+ REPLACEMENT_POINT_INLINE_START(cd, iptr);
+ break;
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
- break;
+ 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);
+ emit_nullpointer_check(cd, iptr, s1);
+ break;
/* constant operations ************************************************/
case ICMD_FCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- disp = dseg_addfloat(cd, iptr->sx.val.f);
+ disp = dseg_add_float(cd, iptr->sx.val.f);
emit_movdl_membase_reg(cd, RIP, -((cd->mcodeptr + ((d > 7) ? 9 : 8)) - cd->mcodebase) + disp, d);
emit_store_dst(jd, iptr, d);
break;
case ICMD_DCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- disp = dseg_adddouble(cd, iptr->sx.val.d);
+ disp = dseg_add_double(cd, iptr->sx.val.d);
emit_movd_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, d);
emit_store_dst(jd, iptr, d);
break;
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-/* PROFILE_CYCLE_STOP; */
+ cr = iptr->sx.val.c.ref;
- codegen_addpatchref(cd, PATCHER_aconst,
- iptr->sx.val.c.ref, 0);
+/* PROFILE_CYCLE_STOP; */
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_aconst, cr, 0);
/* PROFILE_CYCLE_START; */
break;
- /* load/store operations **********************************************/
+ /* load/store/copy/move operations ************************************/
- case ICMD_ILOAD:
- case ICMD_ALOAD:
+ case ICMD_ILOAD: /* ... ==> ..., content of local variable */
+ case ICMD_ALOAD: /* s1 = local variable */
case ICMD_LLOAD:
case ICMD_FLOAD:
case ICMD_DLOAD:
- case ICMD_ISTORE:
- case ICMD_ASTORE:
+ case ICMD_ISTORE: /* ..., value ==> ... */
case ICMD_LSTORE:
case ICMD_FSTORE:
case ICMD_DSTORE:
-
- emit_copy(jd, iptr, jd->var + iptr->s1.varindex,
- jd->var + iptr->dst.varindex);
- break;
-
- /* pop/copy/move operations *******************************************/
-
- /* attention: double and longs are only one entry in CACAO ICMDs */
-
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
-
- break;
-
case ICMD_COPY:
case ICMD_MOVE:
+
+ emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ break;
- M_COPY(iptr->s1.varindex, iptr->dst.varindex);
+ case ICMD_ASTORE:
+ if (!(iptr->flags.bits & INS_FLAG_RETADDR))
+ emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
break;
/* integer operations *************************************************/
emit_store_dst(jd, iptr, d);
break;
+ case ICMD_IINC:
case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
/* sx.val.i = constant */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+
+ /* Using inc and dec is not faster than add (tested with
+ sieve). */
+
M_INTMOVE(s1, d);
M_IADD_IMM(iptr->sx.val.i, d);
emit_store_dst(jd, iptr, d);
case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- var1 = jd->var + iptr->s1.varindex;
- var2 = jd->var + iptr->sx.s23.s2.varindex;
- dst = jd->var + iptr->dst.varindex;
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- if (IS_INMEMORY(var1->flags))
- M_ILD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_ILD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
-
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ s1 = emit_load_s1(jd, iptr, RAX);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, RAX);
- emit_alul_imm_reg(cd, ALU_CMP, 0x80000000, RAX); /* check as described in jvm spec */
- emit_jcc(cd, CC_NE, 4 + 6);
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP3); /* 4 bytes */
- emit_jcc(cd, CC_E, 3 + 1 + 3); /* 6 bytes */
+ M_INTMOVE(s1, RAX);
+ M_INTMOVE(s2, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
- emit_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
- emit_cltd(cd);
- emit_idivl_reg(cd, REG_ITMP3);
+ M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
- if (IS_INMEMORY(dst->flags)) {
- emit_mov_reg_membase(cd, RAX, REG_SP, dst->vv.regoff * 8);
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
+ M_ICMP_IMM(0x80000000, RAX); /* check as described in jvm spec */
+ M_BNE(4 + 6);
+ M_ICMP_IMM(-1, REG_ITMP3); /* 4 bytes */
+ M_BEQ(1 + 3); /* 6 bytes */
- } else {
- M_INTMOVE(RAX, dst->vv.regoff);
+ emit_cltd(cd); /* 1 byte */
+ emit_idivl_reg(cd, REG_ITMP3); /* 3 bytes */
- if (dst->vv.regoff != RDX) {
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
- }
- }
+ M_INTMOVE(RAX, d);
+ emit_store_dst(jd, iptr, d);
+ dst = VAROP(iptr->dst);
+ if (IS_INMEMORY(dst->flags) || (dst->vv.regoff != RDX))
+ M_MOV(REG_ITMP2, RDX); /* restore RDX */
break;
case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- var1 = jd->var + iptr->s1.varindex;
- var2 = jd->var + iptr->sx.s23.s2.varindex;
- dst = jd->var + iptr->dst.varindex;
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- if (IS_INMEMORY(var1->flags))
- M_ILD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_ILD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
-
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
-
- emit_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
-
- emit_alul_imm_reg(cd, ALU_CMP, 0x80000000, RAX); /* check as described in jvm spec */
- emit_jcc(cd, CC_NE, 2 + 4 + 6);
-
+ s1 = emit_load_s1(jd, iptr, RAX);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, RDX);
- emit_alul_reg_reg(cd, ALU_XOR, RDX, RDX); /* 2 bytes */
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP3); /* 4 bytes */
- emit_jcc(cd, CC_E, 1 + 3); /* 6 bytes */
+ M_INTMOVE(s1, RAX);
+ M_INTMOVE(s2, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
- emit_cltd(cd);
- emit_idivl_reg(cd, REG_ITMP3);
+ M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
- if (IS_INMEMORY(dst->flags)) {
- emit_mov_reg_membase(cd, RDX, REG_SP, dst->vv.regoff * 8);
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
+ M_ICMP_IMM(0x80000000, RAX); /* check as described in jvm spec */
+ M_BNE(3 + 4 + 6);
+ M_CLR(RDX); /* 3 bytes */
+ M_ICMP_IMM(-1, REG_ITMP3); /* 4 bytes */
+ M_BEQ(1 + 3); /* 6 bytes */
- } else {
- M_INTMOVE(RDX, dst->vv.regoff);
+ emit_cltd(cd); /* 1 byte */
+ emit_idivl_reg(cd, REG_ITMP3); /* 3 byte */
- if (dst->vv.regoff != RDX) {
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
- }
- }
+ M_INTMOVE(RDX, d);
+ emit_store_dst(jd, iptr, d);
+ dst = VAROP(iptr->dst);
+ if (IS_INMEMORY(dst->flags) || (dst->vv.regoff != RDX))
+ M_MOV(REG_ITMP2, RDX); /* restore RDX */
break;
case ICMD_IDIVPOW2: /* ..., value ==> ..., value >> constant */
case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- var1 = jd->var + iptr->s1.varindex;
- var2 = jd->var + iptr->sx.s23.s2.varindex;
- dst = jd->var + iptr->dst.varindex;
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
+ s1 = emit_load_s1(jd, iptr, RAX);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, RAX);
- if (IS_INMEMORY(var1->flags))
- M_LLD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_LLD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
+ M_INTMOVE(s1, RAX);
+ M_INTMOVE(s2, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
- if (checknull) {
- M_TEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
/* check as described in jvm spec */
- disp = dseg_adds8(cd, 0x8000000000000000LL);
+ disp = dseg_add_s8(cd, 0x8000000000000000LL);
M_LCMP_MEMBASE(RIP, -((cd->mcodeptr + 7) - cd->mcodebase) + disp, RAX);
M_BNE(4 + 6);
- M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
- M_BEQ(3 + 2 + 3); /* 6 bytes */
-
- M_MOV(RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
- emit_cqto(cd);
- emit_idiv_reg(cd, REG_ITMP3);
-
- if (IS_INMEMORY(dst->flags)) {
- M_LST(RAX, REG_SP, dst->vv.regoff * 8);
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
+ M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
+ M_BEQ(2 + 3); /* 6 bytes */
- } else {
- M_INTMOVE(RAX, dst->vv.regoff);
+ emit_cqto(cd); /* 2 bytes */
+ emit_idiv_reg(cd, REG_ITMP3); /* 3 bytes */
- if (dst->vv.regoff != RDX) {
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
- }
- }
+ M_INTMOVE(RAX, d);
+ emit_store_dst(jd, iptr, d);
+ dst = VAROP(iptr->dst);
+ if (IS_INMEMORY(dst->flags) || (dst->vv.regoff != RDX))
+ M_MOV(REG_ITMP2, RDX); /* restore RDX */
break;
case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- var1 = jd->var + iptr->s1.varindex;
- var2 = jd->var + iptr->sx.s23.s2.varindex;
- dst = jd->var + iptr->dst.varindex;
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
-
- if (IS_INMEMORY(var1->flags))
- M_LLD(REG_ITMP1, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, REG_ITMP1);
-
- if (IS_INMEMORY(var2->flags))
- M_LLD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
- /*
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, RAX);
s2 = emit_load_s2(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, RDX);
+
+ M_INTMOVE(s1, RAX);
M_INTMOVE(s2, REG_ITMP3);
- */
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
- M_MOV(RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
+ M_MOV(RDX, REG_ITMP2); /* save RDX (it's an argument register) */
/* check as described in jvm spec */
- disp = dseg_adds8(cd, 0x8000000000000000LL);
+ disp = dseg_add_s8(cd, 0x8000000000000000LL);
M_LCMP_MEMBASE(RIP, -((cd->mcodeptr + 7) - cd->mcodebase) + disp, REG_ITMP1);
M_BNE(3 + 4 + 6);
-
-#if 0
- emit_alul_reg_reg(cd, ALU_XOR, RDX, RDX); /* 2 bytes */
-#endif
M_LXOR(RDX, RDX); /* 3 bytes */
- M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
+ M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
M_BEQ(2 + 3); /* 6 bytes */
- emit_cqto(cd);
- emit_idiv_reg(cd, REG_ITMP3);
-
- if (IS_INMEMORY(dst->flags)) {
- M_LST(RDX, REG_SP, dst->vv.regoff * 8);
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
-
- } else {
- M_INTMOVE(RDX, dst->vv.regoff);
+ emit_cqto(cd); /* 2 bytes */
+ emit_idiv_reg(cd, REG_ITMP3); /* 3 bytes */
- if (dst->vv.regoff != RDX) {
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
- }
- }
+ M_INTMOVE(RDX, d);
+ emit_store_dst(jd, iptr, d);
+ dst = VAROP(iptr->dst);
+ if (IS_INMEMORY(dst->flags) || (dst->vv.regoff != RDX))
+ M_MOV(REG_ITMP2, RDX); /* restore RDX */
break;
case ICMD_LDIVPOW2: /* ..., value ==> ..., value >> constant */
break;
- case ICMD_IINC: /* ..., value ==> ..., value + constant */
- /* s1.localindex = variable, sx.val.i = constant */
-
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- /* Using inc and dec is not faster than add (tested with
- sieve). */
-
- M_INTMOVE(s1, d);
- M_IADD_IMM(iptr->sx.val.i, d);
-
- emit_store_dst(jd, iptr, d);
- break;
-
-
/* floating operations ************************************************/
case ICMD_FNEG: /* ..., value ==> ..., - value */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_adds4(cd, 0x80000000);
+ disp = dseg_add_s4(cd, 0x80000000);
M_FLTMOVE(s1, d);
emit_movss_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, REG_FTMP2);
emit_xorps_reg_reg(cd, REG_FTMP2, d);
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_adds8(cd, 0x8000000000000000);
+ disp = dseg_add_s8(cd, 0x8000000000000000);
M_FLTMOVE(s1, d);
emit_movd_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, REG_FTMP2);
emit_xorpd_reg_reg(cd, REG_FTMP2, d);
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
emit_store_dst(jd, iptr, d);
break;
M_MOV_IMM(1, REG_ITMP1);
M_MOV_IMM(-1, REG_ITMP2);
emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
+ M_CMOVULT(REG_ITMP1, d);
+ M_CMOVUGT(REG_ITMP2, d);
M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- gen_nullptr_check(s1);
+ /* implicit null-pointer check */
M_ILD(d, s1, OFFSET(java_arrayheader, 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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movsbq_memindex_reg(cd, OFFSET(java_bytearray, data[0]), s1, s2, 0, d);
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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movzwq_memindex_reg(cd, OFFSET(java_chararray, data[0]), s1, s2, 1, d);
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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movswq_memindex_reg(cd, OFFSET(java_shortarray, data[0]), s1, s2, 1, d);
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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movl_memindex_reg(cd, OFFSET(java_intarray, data[0]), s1, s2, 2, d);
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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]), s1, s2, 3, d);
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_FTMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movss_memindex_reg(cd, OFFSET(java_floatarray, data[0]), s1, s2, 2, d);
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_FTMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_movsd_memindex_reg(cd, OFFSET(java_doublearray, data[0]), s1, s2, 3, d);
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_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
emit_mov_memindex_reg(cd, OFFSET(java_objectarray, data[0]), s1, s2, 3, d);
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);
emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray, data[0]), s1, s2, 0);
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);
emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray, data[0]), s1, s2, 1);
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);
emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray, data[0]), s1, s2, 1);
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);
emit_movl_reg_memindex(cd, s3, OFFSET(java_intarray, data[0]), s1, s2, 2);
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);
emit_mov_reg_memindex(cd, s3, OFFSET(java_longarray, data[0]), s1, s2, 3);
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_FTMP3);
emit_movss_reg_memindex(cd, s3, OFFSET(java_floatarray, data[0]), s1, s2, 2);
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_FTMP3);
emit_movsd_reg_memindex(cd, s3, OFFSET(java_doublearray, data[0]), s1, s2, 3);
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);
M_MOV(s1, REG_A0);
M_MOV(s3, REG_A1);
M_MOV_IMM(BUILTIN_canstore, REG_ITMP1);
M_CALL(REG_ITMP1);
- M_TEST(REG_RESULT);
- M_BEQ(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);
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);
emit_movb_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_bytearray, data[0]), s1, s2, 0);
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);
emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_chararray, data[0]), s1, s2, 1);
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);
emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_shortarray, data[0]), s1, s2, 1);
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);
emit_movl_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_intarray, data[0]), s1, s2, 2);
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);
if (IS_IMM32(iptr->sx.s23.s3.constval)) {
emit_mov_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
- } else {
+ }
+ else {
emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval >> 32), OFFSET(java_longarray, data[0]) + 4, s1, s2, 3);
}
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);
emit_mov_imm_memindex(cd, 0, OFFSET(java_objectarray, data[0]), s1, s2, 3);
break;
case ICMD_GETSTATIC: /* ... ==> ..., 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_addaddress(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_unique_address(cd, NULL);
+ disp = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
- /* must be calculated before codegen_addpatchref */
+ /* must be calculated before codegen_add_patch_ref */
- if (opt_showdisassemble)
+ if (opt_shownops)
disp -= PATCHER_CALL_SIZE;
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
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 = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
PROFILE_CYCLE_STOP;
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
PROFILE_CYCLE_START;
- }
- disp = dseg_addaddress(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ if (opt_shownops)
+ disp -= PATCHER_CALL_SIZE;
+ }
}
/* This approach is much faster than moving the field
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_addaddress(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_unique_address(cd, NULL);
+ disp = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
- /* must be calculated before codegen_addpatchref */
+ /* must be calculated before codegen_add_patch_ref */
- if (opt_showdisassemble)
+ if (opt_shownops)
disp -= PATCHER_CALL_SIZE;
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
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 = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
PROFILE_CYCLE_STOP;
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- disp -= PATCHER_CALL_SIZE;
- }
+ codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
PROFILE_CYCLE_START;
- }
- disp = dseg_addaddress(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ if (opt_shownops)
+ disp -= PATCHER_CALL_SIZE;
+ }
}
/* This approach is much faster than moving the field
/* 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_addaddress(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_unique_address(cd, NULL);
+ disp = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
- /* must be calculated before codegen_addpatchref */
+ /* must be calculated before codegen_add_patch_ref */
- if (opt_showdisassemble)
+ if (opt_shownops)
disp -= PATCHER_CALL_SIZE;
-
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
/* PROFILE_CYCLE_START; */
}
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 = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
PROFILE_CYCLE_STOP;
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
PROFILE_CYCLE_START;
- }
- disp = dseg_addaddress(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ if (opt_shownops)
+ disp -= PATCHER_CALL_SIZE;
+ }
}
/* This approach is much faster than moving the field
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;
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
/* PROFILE_CYCLE_START; */
-
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = 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:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
-
- s2 = emit_load_s2(jd, iptr, REG_IFTMP);
+ s2 = emit_load_s2(jd, iptr, REG_IFTMP); /* REG_IFTMP == REG_ITMP2 */
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;
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
/* PROFILE_CYCLE_START; */
-
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = 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_IST32(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;
/* PROFILE_CYCLE_STOP; */
- codegen_addpatchref(cd, PATCHER_putfieldconst, uf, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_putfieldconst, uf, 0);
/* PROFILE_CYCLE_START; */
-
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = 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:
case TYPE_FLT:
#ifdef ENABLE_VERIFIER
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
- iptr->sx.s23.s2.uc, 0);
+ uc = iptr->sx.s23.s2.uc;
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
}
#endif /* ENABLE_VERIFIER */
break;
case ICMD_GOTO: /* ... ==> ... */
+ case ICMD_RET:
- M_JMP_IMM(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_br(cd, iptr->dst.block);
+ ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_CALL_IMM(0);
- codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
+ emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
+ ALIGNCODENOP;
break;
- case ICMD_RET: /* ... ==> ... */
- /* s1.localindex = local variable */
-
- M_JMP_IMM(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
case ICMD_IFNULL: /* ..., value ==> ... */
+ case ICMD_IFNONNULL:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_TEST(s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
break;
case ICMD_IFEQ: /* ..., value ==> ... */
+ case ICMD_IFLT:
+ case ICMD_IFLE:
+ case ICMD_IFNE:
+ case ICMD_IFGT:
+ case ICMD_IFGE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFLT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFLE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFGT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFGE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
break;
case ICMD_IF_LEQ: /* ..., value ==> ... */
+ case ICMD_IF_LNE:
+ case ICMD_IF_LLT:
+ case ICMD_IF_LGE:
+ case ICMD_IF_LGT:
+ case ICMD_IF_LLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
if (IS_IMM32(iptr->sx.val.l))
M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
M_LCMP(REG_ITMP2, s1);
}
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LLT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LLE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LNE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LGT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LGE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_LEQ, BRANCH_OPT_NONE);
break;
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ICMPNE:
+ case ICMD_IF_ICMPLT:
+ case ICMD_IF_ICMPGE:
+ case ICMD_IF_ICMPGT:
+ case ICMD_IF_ICMPLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_ICMP(s2, s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
break;
- case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
+ case ICMD_IF_ACMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ACMPNE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_LCMP(s2, s1);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
break;
- case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPNE:
+ case ICMD_IF_LCMPLT:
+ case ICMD_IF_LCMPGE:
+ case ICMD_IF_LCMPGT:
+ case ICMD_IF_LCMPLE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_LCMP(s2, s1);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_LCMPEQ, BRANCH_OPT_NONE);
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);
#ifdef ENABLE_VERIFIER
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uc = iptr->sx.s23.s2.uc;
+
PROFILE_CYCLE_STOP;
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
- iptr->sx.s23.s2.uc, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
PROFILE_CYCLE_START;
}
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;
i = i - l + 1;
/* range check */
- M_ICMP_IMM(i - 1, REG_ITMP1);
- M_BA(0);
- codegen_addreference(cd, table[0].block); /* default target */
+ M_ICMP_IMM(i - 1, REG_ITMP1);
+ emit_bugt(cd, table[0].block);
/* build jump table top down and use address of lowest entry */
table += i;
while (--i >= 0) {
- dseg_addtarget(cd, table->block);
+ dseg_add_target(cd, table->block);
--table;
}
- /* length of dataseg after last dseg_addtarget is used
+ /* length of dataseg after last dseg_add_target is used
by load */
M_MOV_IMM(0, REG_ITMP2);
while (--i >= 0) {
M_ICMP_IMM(lookup->value, s1);
- M_BEQ(0);
- codegen_addreference(cd, lookup->target.block);
+ emit_beq(cd, lookup->target.block);
lookup++;
}
- M_JMP_IMM(0);
-
- codegen_addreference(cd, iptr->sx.s23.s3.lookupdefault.block);
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
+ ALIGNCODENOP;
}
break;
case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
case ICMD_INVOKEINTERFACE:
+ REPLACEMENT_POINT_INVOKE(cd, iptr);
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
lm = NULL;
um = iptr->sx.s23.s3.um;
/* copy arguments to registers or stack location */
for (s3 = s3 - 1; s3 >= 0; s3--) {
- s1 = iptr->sx.s23.s2.args[s3];
- var1 = jd->var + s1;
+ var = VAR(iptr->sx.s23.s2.args[s3]);
/* Already Preallocated (ARGVAR) ? */
- if (var1->flags & PREALLOC)
+ if (var->flags & PREALLOC)
continue;
- if (IS_INT_LNG_TYPE(var1->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, var1, s1);
+ d = emit_load(jd, iptr, var, s1);
M_INTMOVE(d, s1);
}
else {
- d = emit_load(jd, iptr, var1, REG_ITMP1);
+ d = emit_load(jd, iptr, var, REG_ITMP1);
M_LST(d, REG_SP, md->params[s3].regoff * 8);
}
}
else {
if (!md->params[s3].inmemory) {
s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var1, s1);
+ d = emit_load(jd, iptr, var, s1);
M_FLTMOVE(d, s1);
}
else {
- d = emit_load(jd, iptr, var1, REG_FTMP1);
+ d = emit_load(jd, iptr, var, REG_FTMP1);
- if (IS_2_WORD_TYPE(var1->type))
+ if (IS_2_WORD_TYPE(var->type))
M_DST(d, REG_SP, md->params[s3].regoff * 8);
else
M_FST(d, REG_SP, md->params[s3].regoff * 8);
M_MOV_IMM(bte->fp, REG_ITMP1);
M_CALL(REG_ITMP1);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
- }
+ emit_exception_check(cd, iptr);
break;
case ICMD_INVOKESPECIAL:
- M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
-
+ emit_nullpointer_check(cd, iptr, REG_A0);
/* fall through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
- disp = dseg_addaddress(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_unique_address(cd, NULL);
+ disp = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
- /* must be calculated before codegen_addpatchref */
+ /* must be calculated before codegen_add_patch_ref */
- if (opt_showdisassemble)
+ if (opt_shownops)
disp -= PATCHER_CALL_SIZE;
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
- um, disp);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_invokestatic_special,
+ um, disp);
/* a = 0; */
}
else {
- disp = dseg_addaddress(cd, lm->stubroutine);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ disp = dseg_add_functionptr(cd, lm->stubroutine);
+ disp = disp + -((cd->mcodeptr + 7) - cd->mcodebase);
/* a = (ptrint) lm->stubroutine; */
}
break;
case ICMD_INVOKEVIRTUAL:
- gen_nullptr_check(REG_A0);
-
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_invokevirtual, um, 0);
s1 = 0;
}
- else
+ else {
s1 = OFFSET(vftbl_t, table[0]) +
sizeof(methodptr) * lm->vftblindex;
+ }
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
M_ALD32(REG_ITMP3, REG_METHODPTR, s1);
M_CALL(REG_ITMP3);
break;
case ICMD_INVOKEINTERFACE:
- gen_nullptr_check(REG_A0);
-
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_invokeinterface, um, 0);
s1 = 0;
s2 = 0;
s2 = sizeof(methodptr) * (lm - lm->class->methods);
}
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
M_ALD32(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD32(REG_ITMP3, REG_METHODPTR, s2);
M_CALL(REG_ITMP3);
PROFILE_CYCLE_START;
- /* store return value */
+ /* store size of call code in replacement point */
- d = md->returntype.type;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- if (d != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(d)) {
- s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
- M_INTMOVE(REG_RESULT, s1);
- }
- else {
- s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
- M_FLTMOVE(REG_FRESULT, s1);
- }
+ /* store return value */
+
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
+ M_INTMOVE(REG_RESULT, s1);
+ emit_store_dst(jd, iptr, s1);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
+ M_FLTMOVE(REG_FRESULT, s1);
emit_store_dst(jd, iptr, s1);
+ break;
+ default:
+ /* TYPE_VOID */
+ break;
}
break;
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 */
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
supervftbl = NULL;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
supervftbl = super->vftbl;
}
#endif
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- /* calculate interface checkcast code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
-
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 6 /* jcc */;
-
- if (super == NULL)
- s2 += (opt_showdisassemble ? 5 : 0);
-
- /* calculate class checkcast code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10 /* mov_imm_reg */ + 3 + 4 /* movl_membase32_reg */;
-
-#if 0
- if (s1 != REG_ITMP1) {
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, baseval));
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, diffval));
- a += 3; /* sub */
-
- } else
-#endif
- {
- s3 += 3 + 4 /* movl_membase32_reg */ + 3 /* sub */ +
- 10 /* mov_imm_reg */ + 3 /* movl_membase_reg */;
- CALCOFFSETBYTES(s3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- }
-
- s3 += 3 /* cmp */ + 6 /* jcc */;
-
- if (super == NULL)
- s3 += (opt_showdisassemble ? 5 : 0);
-
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TEST(s1);
- M_BEQ(6 + (opt_showdisassemble ? 5 : 0) + 7 + 6 + s2 + 5 + s3);
-
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
- iptr->sx.s23.s3.c.ref, 0);
+ emit_label_beq(cd, BRANCH_LABEL_1);
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
+ iptr->sx.s23.s3.c.ref, 0);
M_IMOV_IMM(0, REG_ITMP2); /* super->flags */
M_IAND_IMM(ACC_INTERFACE, REG_ITMP2);
- M_BEQ(s2 + 5);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super != NULL) {
M_TEST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref,
- 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_checkcast_interface,
+ iptr->sx.s23.s3.c.ref,
+ 0);
}
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- /* XXX TWISTI: should this be int arithmetic? */
- M_LSUB_IMM32(superindex, REG_ITMP3);
- M_TEST(REG_ITMP3);
- M_BLE(0);
- codegen_add_classcastexception_ref(cd, s1);
- emit_mov_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP3);
+ M_ILD32(REG_ITMP3,
+ REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
+ M_ICMP_IMM32(superindex, REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
+
+ M_ALD32(REG_ITMP3, REG_ITMP2,
+ OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*));
M_TEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
if (super == NULL)
- M_JMP_IMM(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) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+ }
+ else {
M_TEST(s1);
- M_BEQ(s3);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
if (super == NULL) {
- codegen_addpatchref(cd, PATCHER_checkcast_class,
- iptr->sx.s23.s3.c.ref,
- 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_checkcast_class,
+ iptr->sx.s23.s3.c.ref,
+ 0);
}
M_MOV_IMM(supervftbl, REG_ITMP3);
#if defined(ENABLE_THREADS)
codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
#endif
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
+ M_ILD32(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+
/* if (s1 != REG_ITMP1) { */
/* emit_movl_membase_reg(cd, REG_ITMP3, */
/* OFFSET(vftbl_t, baseval), */
/* emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP1, REG_ITMP2); */
/* } else { */
- emit_movl_membase32_reg(cd, REG_ITMP3,
- OFFSET(vftbl_t, baseval),
- REG_ITMP3);
- M_LSUB(REG_ITMP3, REG_ITMP2);
+
+ M_ILD32(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
+ M_ISUB(REG_ITMP3, REG_ITMP2);
M_MOV_IMM(supervftbl, REG_ITMP3);
M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
/* } */
#if defined(ENABLE_THREADS)
codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
#endif
- M_LCMP(REG_ITMP3, REG_ITMP2);
- M_BA(0); /* (u) REG_ITMP1 > (u) REG_ITMP2 -> jump */
- codegen_add_classcastexception_ref(cd, s1);
+ M_ICMP(REG_ITMP3, REG_ITMP2);
+ emit_classcast_check(cd, iptr, BRANCH_UGT, 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, REG_ITMP3);
M_INTMOVE(s1, REG_A0);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
- iptr->sx.s23.s3.c.ref, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_builtin_arraycheckcast,
+ iptr->sx.s23.s3.c.ref, 0);
}
M_MOV_IMM(iptr->sx.s23.s3.c.cls, REG_A1);
/* s1 may have been destroyed over the function call */
s1 = emit_load_s1(jd, iptr, REG_ITMP2);
M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
}
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;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
supervftbl = NULL;
} else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
supervftbl = super->vftbl;
}
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
if (s1 == d) {
M_INTMOVE(s1, REG_ITMP1);
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub_imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 4 /* setcc */;
-
- if (!super)
- s2 += (opt_showdisassemble ? 5 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10; /* mov_imm_reg */
- s3 += 2; /* movl_membase_reg - only if REG_ITMP1 == RAX */
- CALCOFFSETBYTES(s3, REG_ITMP1, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, diffval));
- s3 += 3 /* sub */ + 3 /* xor */ + 3 /* cmp */ + 4 /* setcc */;
-
- if (!super)
- s3 += (opt_showdisassemble ? 5 : 0);
-
- emit_alu_reg_reg(cd, ALU_XOR, d, d);
+ M_CLR(d);
/* if class is not resolved, check which code to call */
- if (!super) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, (6 + (opt_showdisassemble ? 5 : 0) +
- 7 + 6 + s2 + 5 + s3));
-
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
- iptr->sx.s23.s3.c.ref, 0);
+ if (super == NULL) {
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_1);
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
+ iptr->sx.s23.s3.c.ref, 0);
- emit_movl_imm_reg(cd, 0, REG_ITMP3); /* super->flags */
- emit_alul_imm_reg(cd, ALU_AND, ACC_INTERFACE, REG_ITMP3);
- emit_jcc(cd, CC_Z, s2 + 5);
+ M_IMOV_IMM(0, REG_ITMP3); /* super->flags */
+ M_IAND_IMM(ACC_INTERFACE, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface instanceof code */
- if (!super || (super->flags & ACC_INTERFACE)) {
- if (super) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, s2);
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super != NULL) {
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
- if (!super) {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
- iptr->sx.s23.s3.c.ref, 0);
+ M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ if (super == NULL) {
+ codegen_add_patch_ref(cd, PATCHER_instanceof_interface,
+ iptr->sx.s23.s3.c.ref, 0);
}
- emit_movl_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- emit_alu_imm32_reg(cd, ALU_SUB, superindex, REG_ITMP3);
- emit_test_reg_reg(cd, REG_ITMP3, REG_ITMP3);
+ M_ILD32(REG_ITMP3,
+ REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
+ M_ICMP_IMM32(superindex, REG_ITMP3);
a = 3 + 4 /* mov_membase32_reg */ + 3 /* test */ + 4 /* setcc */;
- emit_jcc(cd, CC_LE, a);
- emit_mov_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP1);
- emit_test_reg_reg(cd, REG_ITMP1, REG_ITMP1);
- emit_setcc_reg(cd, CC_NE, d);
+ M_BLE(a);
+ M_ALD32(REG_ITMP1, REG_ITMP1,
+ OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*));
+ M_TEST(REG_ITMP1);
+ M_SETNE(d);
- if (!super)
- emit_jmp_imm(cd, s3);
+ if (super == NULL)
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
}
/* class instanceof code */
- if (!super || !(super->flags & ACC_INTERFACE)) {
- if (super) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_E, s3);
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+ }
+ else {
+ M_TEST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
-
- if (!super) {
- codegen_addpatchref(cd, PATCHER_instanceof_class,
- iptr->sx.s23.s3.c.ref, 0);
+ M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ if (super == NULL) {
+ codegen_add_patch_ref(cd, PATCHER_instanceof_class,
+ iptr->sx.s23.s3.c.ref, 0);
}
- emit_mov_imm_reg(cd, (ptrint) supervftbl, REG_ITMP2);
+ M_MOV_IMM(supervftbl, REG_ITMP2);
+
#if defined(ENABLE_THREADS)
codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
#endif
- emit_movl_membase_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, baseval),
- REG_ITMP1);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, diffval),
- REG_ITMP3);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
+
+ M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, diffval));
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+
#if defined(ENABLE_THREADS)
codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
#endif
- emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP2, REG_ITMP1);
- emit_alu_reg_reg(cd, ALU_XOR, d, d); /* may be REG_ITMP2 */
- emit_alu_reg_reg(cd, ALU_CMP, REG_ITMP3, REG_ITMP1);
- emit_setcc_reg(cd, CC_BE, d);
+
+ M_ISUB(REG_ITMP2, REG_ITMP1);
+ M_CLR(d); /* may be REG_ITMP2 */
+ M_ICMP(REG_ITMP3, REG_ITMP1);
+ M_SETULE(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;
for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
/* copy SAVEDVAR sizes to stack */
- s3 = iptr->sx.s23.s2.args[s1];
- var1 = jd->var + s3;
+ var = VAR(iptr->sx.s23.s2.args[s1]);
- /* Already Preallocated (ARGVAR) ? */
- if (!(var1->flags & PREALLOC)) {
- s2 = emit_load(jd, iptr, var1, REG_ITMP1);
+ /* Already Preallocated? */
+ if (!(var->flags & PREALLOC)) {
+ s2 = emit_load(jd, iptr, var, REG_ITMP1);
M_LST(s2, REG_SP, s1 * 8);
}
}
/* is a patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
- iptr->sx.s23.s3.c.ref, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
+ codegen_add_patch_ref(cd, PATCHER_builtin_multianewarray,
+ iptr->sx.s23.s3.c.ref, 0);
}
/* a0 = dimension count */
/* check for exception before result assignment */
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ emit_exception_check(cd, iptr);
s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, s1);
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 */
-
- len = bptr->outdepth;
- MCODECHECK(512);
+ MCODECHECK(512); /* XXX require a lower number? */
/* At the end of a basic block we may have to append some nops,
because the patcher stub calling code might be longer than the
/* generate stubs */
- emit_exception_stubs(jd);
emit_patcher_stubs(jd);
-#if 0
- emit_replacement_stubs(jd);
-#endif
-
- codegen_finish(jd);
+ REPLACEMENT_EMIT_STUBS(jd);
/* everything's ok */
{
u1 *s; /* memory to hold the stub */
ptrint *d;
- codeinfo *code;
codegendata *cd;
s4 dumpsize;
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);
+ /* The codeinfo pointer is actually a pointer to the
+ methodinfo. This fakes a codeinfo structure. */
d[0] = (ptrint) asm_call_jit_compiler;
d[1] = (ptrint) m;
- d[2] = (ptrint) code;
+ d[2] = (ptrint) &d[1]; /* fake code->m */
/* code for the stub */
/* create method header */
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, cd->stackframesize * 8); /* FrameSize */
- (void) dseg_adds4(cd, 0); /* IsSync */
- (void) dseg_adds4(cd, 0); /* IsLeaf */
- (void) dseg_adds4(cd, 0); /* IntSave */
- (void) dseg_adds4(cd, 0); /* FltSave */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, 0); /* IntSave */
+ (void) dseg_add_unique_s4(cd, 0); /* FltSave */
(void) dseg_addlinenumbertablesize(cd);
- (void) dseg_adds4(cd, 0); /* ExTableSize */
+ (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
+#if defined(ENABLE_PROFILING)
/* generate native method profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
M_MOV_IMM(code, REG_ITMP3);
M_IINC_MEMBASE(REG_ITMP3, OFFSET(codeinfo, frequency));
}
+#endif
/* generate stub code */
/* get function address (this must happen before the stackframeinfo) */
#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL) {
- codegen_addpatchref(cd, PATCHER_resolve_native, m, 0);
-
- if (opt_showdisassemble) {
- M_NOP; M_NOP; M_NOP; M_NOP; M_NOP;
- }
- }
+ if (f == NULL)
+ codegen_add_patch_ref(cd, PATCHER_resolve_native, m, 0);
#endif
M_MOV_IMM(f, REG_ITMP3);