/* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
- 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
- Stefan Ring
-
- Changes: Christian Thalinger
- Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 5656 2006-10-03 20:57:15Z edwin $
+ $Id: codegen.c 7564 2007-03-23 23:36:17Z twisti $
*/
#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-asm.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/codegen-common.h"
#include "vm/jit/dseg.h"
#include "vm/jit/emit-common.h"
#include "vm/jit/jit.h"
+#include "vm/jit/md.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"
+
/* codegen *********************************************************************
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
registerdata *rd;
s4 len, s1, s2, s3, d, disp;
ptrint a;
- s4 fieldtype;
- varinfo *var, *var1, *var2;
+ 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;
- lm = NULL;
- bte = NULL;
+ d = 0;
+ fieldtype = 0;
+ lm = NULL;
+ um = NULL;
+ uf = 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.any);
}
-
+
+#if defined(ENABLE_PROFILING)
/* generate method profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
/* PROFILE_CYCLE_START; */
}
+#endif
/* create stack frame (if necessary) */
}
else {
M_TST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ M_BNE(1);
+ M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
}
M_AST(REG_A0, REG_SP, s1 * 4);
/* call trace function */
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
+ emit_verbosecall_enter(jd);
}
/* end of header generation */
- replacementpoint = code->rplpoints;
+ /* create replacement points */
+
+ REPLACEMENT_POINTS_INIT(cd, jd);
/* walk through all basic blocks */
bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
if (bptr->flags >= BBREACHED) {
-
/* 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);
-#if 0
/* handle replacement points */
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
- }
-#endif
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
+
+#if defined(ENABLE_PROFILING)
/* generate basicblock profiling code */
if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
/* if (bptr->type == BBTYPE_EXH) */
/* PROFILE_CYCLE_START; */
}
+#endif
/* copy interface registers to their destination */
MCODECHECK(64); /* an instruction usually needs < 64 words */
- switch (iptr->opc) {
- case ICMD_NOP: /* ... ==> ... */
- case ICMD_INLINE_START:
- case ICMD_INLINE_END:
- break;
+ switch (iptr->opc) {
+ case ICMD_NOP: /* ... ==> ... */
+ case ICMD_POP: /* ..., value ==> ... */
+ case ICMD_POP2: /* ..., value, value ==> ... */
+ break;
+
+ case ICMD_INLINE_START:
+
+ REPLACEMENT_POINT_INLINE_START(cd, iptr);
+ 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);
- M_TST(s1);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ emit_nullpointer_check(cd, iptr, s1);
break;
/* constant operations ************************************************/
codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
cr, disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else
disp = dseg_add_address(cd, iptr->sx.val.anyptr);
case ICMD_FLOAD:
case ICMD_DLOAD:
case ICMD_ISTORE: /* ..., value ==> ... */
- case ICMD_ASTORE: /* dst = local variable */
case ICMD_LSTORE:
case ICMD_FSTORE:
case ICMD_DSTORE:
emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
break;
+
+ case ICMD_ASTORE:
-
- /* pop operations *****************************************************/
-
- /* attention: double and longs are only one entry in CACAO ICMDs */
-
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
-
+ if (!(iptr->flags.bits & INS_FLAG_RETADDR))
+ emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
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_ITMP1);
- M_TST(s2);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
M_CMP(REG_ITMP3, s1);
M_BNE(3 + (s1 != 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);
- M_TST(s2);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
M_CMP(REG_ITMP3, s1);
M_BNE(4);
s2 = emit_load_s2(jd, iptr, REG_ITMP12_PACKED);
M_OR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
+ /* XXX could be optimized */
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_ITMP3, REG_PV, disp);
break;
case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
- /*******************************************************************
- TODO: CHANGE THIS TO A VERSION THAT WORKS !!!
- *******************************************************************/
+
s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- {
- int tempreg = false;
- int dreg;
- u1 *br1;
-
- var1 = VAROP(iptr->s1);
- var2 = VAROP(iptr->sx.s23.s2);
-
- if (IS_INMEMORY(var1->flags)) {
- tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
- } else {
- tempreg = tempreg || (d == GET_HIGH_REG(var1->vv.regoff))
- || (d == GET_LOW_REG(var1->vv.regoff));
- }
- if (IS_INMEMORY(var2->flags)) {
- tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
- } else {
- tempreg = tempreg || (d == GET_HIGH_REG(var2->vv.regoff))
- || (d == GET_LOW_REG(var2->vv.regoff));
- }
-
- dreg = tempreg ? REG_ITMP1 : d;
- M_IADD_IMM(REG_ZERO, 1, dreg);
- M_CMP(s1, s2);
- M_BGT(0);
- br1 = cd->mcodeptr;
- M_BLT(0);
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
- s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_CMPU(s1, s2);
- M_BGT(3);
- M_BEQ(1);
- M_IADD_IMM(dreg, -1, dreg);
- M_IADD_IMM(dreg, -1, dreg);
- gen_resolvebranch(br1, br1, cd->mcodeptr);
- gen_resolvebranch(br1 + 1 * 4, br1 + 1 * 4, cd->mcodeptr - 2 * 4);
- M_INTMOVE(dreg, d);
- }
+ vm_abort("codegen: implement ICMD_LCMP!");
emit_store_dst(jd, iptr, d);
break;
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
M_BNAN(1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beq(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnan(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnan(cd, iptr->dst.block);
+ emit_blt(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
M_BNAN(1);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bgt(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnan(cd, iptr->dst.block);
+ emit_ble(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
M_BNAN(1);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bge(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
M_BNAN(1);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_blt(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnan(cd, iptr->dst.block);
+ emit_bgt(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
M_BNAN(1);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_ble(cd, iptr->dst.block);
break;
case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bnan(cd, iptr->dst.block);
+ emit_bge(cd, iptr->dst.block);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- 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_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_IADD_IMM(s2, OFFSET(java_chararray, data[0]), REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LBZX(d, s1, REG_ITMP2);
M_BSEXT(d, 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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 1, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LHZX(d, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 1, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LHAX(d, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LWZX(d, s1, REG_ITMP2);
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_ITMP12_PACKED);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 3, REG_ITMP2);
M_IADD(s1, REG_ITMP2, REG_ITMP2);
M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LFSX(d, s1, REG_ITMP2);
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_FTMP1);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 3, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LFDX(d, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LWZX(d, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STBX(s3, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 1, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STHX(s3, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 1, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STHX(s3, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STWX(s3, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 3, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STWX(s3, s1, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
s3 = emit_load_s3_low(jd, iptr, REG_ITMP3);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STFSX(s3, s1, REG_ITMP2);
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_SLL_IMM(s2, 3, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STFDX(s3, s1, REG_ITMP2);
break;
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;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_A1);
+ /* XXX what if array is NULL */
disp = dseg_add_functionptr(cd, BUILTIN_canstore);
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_INTMOVE(s3, REG_A1);
M_JSR;
- M_TST(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);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 2, REG_ITMP2);
M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STWX(s3, s1, REG_ITMP2);
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_add_unique_address(cd, uf);
+ disp = dseg_add_unique_address(cd, uf);
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
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)) {
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
codegen_addpatchref(cd, PATCHER_initialize_class,
fi->class, disp);
-
- if (opt_showdisassemble)
- M_NOP;
- }
}
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);
+ disp = dseg_add_unique_address(cd, uf);
codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
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)) {
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
codegen_addpatchref(cd, PATCHER_initialize_class,
fi->class, disp);
-
- if (opt_showdisassemble)
- M_NOP;
- }
}
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;
codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- 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;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
case ICMD_PUTFIELD: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
- if (!IS_FLT_DBL_TYPE(fieldtype)) {
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
+ }
+
+ if (IS_INT_LNG_TYPE(fieldtype)) {
if (IS_2_WORD_TYPE(fieldtype))
s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
else
else
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
- fieldtype = uf->fieldref->parseddesc.fd->type;
-
+ if (INSTRUCTION_IS_UNRESOLVED(iptr))
codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
- }
- else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = fi->offset;
- }
-
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST(s2, s1, disp);
unresolved_class *uc = iptr->sx.s23.s2.uc;
codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
}
#endif /* ENABLE_VERIFIER */
case ICMD_GOTO: /* ... ==> ... */
case ICMD_RET: /* ... ==> ... */
- M_BR(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_br(cd, iptr->dst.block);
ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_BR(0);
- codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
+ 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_TST(s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TST(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_IFLT:
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMP(s1, REG_ITMP2);
}
- switch (iptr->opc) {
- case ICMD_IFLT:
- M_BLT(0);
- break;
- case ICMD_IFLE:
- M_BLE(0);
- break;
- case ICMD_IFNE:
- M_BNE(0);
- break;
- case ICMD_IFGT:
- M_BGT(0);
- break;
- case ICMD_IFGE:
- M_BGE(0);
- break;
- case ICMD_IFEQ:
- M_BEQ(0);
- break;
- }
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
break;
M_XOR(s2, REG_ITMP3, REG_ITMP2);
M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beq(cd, iptr->dst.block);
break;
case ICMD_IF_LLT: /* ..., value ==> ... */
+
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
if (iptr->sx.val.l == 0) {
/* if high word is less than zero, the whole long is too */
M_CMPI(s2, 0);
+ emit_blt(cd, iptr->dst.block);
}
else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_CMPI(s2, 0);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(2);
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
M_CMPUI(s1, iptr->sx.val.l & 0xffff);
+ emit_blt(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_CMP(s2, REG_ITMP3);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(3);
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_CMPU(s1, REG_ITMP3);
+ emit_blt(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
}
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
break;
case ICMD_IF_LLE: /* ..., value ==> ... */
/* } else */
if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_CMPI(s2, 0);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(2);
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
M_CMPUI(s1, iptr->sx.val.l & 0xffff);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_CMP(s2, REG_ITMP3);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(3);
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_CMPU(s1, REG_ITMP3);
}
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_ble(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LNE: /* ..., value ==> ... */
M_XOR(s2, REG_ITMP3, REG_ITMP2);
M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
break;
case ICMD_IF_LGT: /* ..., value ==> ... */
/* } else */
if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_CMPI(s2, 0);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(2);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
M_CMPUI(s1, iptr->sx.val.l & 0xffff);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_CMP(s2, REG_ITMP3);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(3);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_CMPU(s1, REG_ITMP3);
}
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LGE: /* ..., value ==> ... */
if (iptr->sx.val.l == 0) {
/* if high word is greater equal zero, the whole long is too */
M_CMPI(s2, 0);
+ emit_bge(cd, iptr->dst.block);
}
else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_CMPI(s2, 0);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(2);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
M_CMPUI(s1, iptr->sx.val.l & 0xffff);
+ emit_bge(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_CMP(s2, REG_ITMP3);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(3);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_CMPU(s1, REG_ITMP3);
+ emit_bge(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
}
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
break;
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ICMPNE:
+ case ICMD_IF_ICMPLT:
+ case ICMD_IF_ICMPGT:
+ case ICMD_IF_ICMPLE:
+ case ICMD_IF_ICMPGE:
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ M_CMP(s1, s2);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
+ break;
+
case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
+ case ICMD_IF_ACMPNE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BEQ(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_LCMPEQ: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- /* load low-bits before the branch, so we know the distance */
+ emit_label_bne(cd, BRANCH_LABEL_1);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_BNE(2);
M_CMP(s1, s2);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPNE: /* ..., 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_CMP(s1, s2);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beq(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- 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_CMP(s1, s2);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
break;
case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- /* load low-bits before the branch, so we know the distance */
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_BGT(2);
M_CMPU(s1, s2);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_CMP(s1, s2);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_blt(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- /* load low-bits before the branch, so we know the distance */
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_BLT(2);
M_CMPU(s1, s2);
- 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_CMP(s1, s2);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bgt(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- /* load low-bits before the branch, so we know the distance */
+ emit_blt(cd, iptr->dst.block);
+ emit_label_bgt(cd, BRANCH_LABEL_1);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_BGT(2);
M_CMPU(s1, s2);
- 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_CMP(s1, s2);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_ble(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- /* load low-bits before the branch, so we know the distance */
+ emit_bgt(cd, iptr->dst.block);
+ emit_label_blt(cd, BRANCH_LABEL_1);
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
- M_BLT(2);
M_CMPU(s1, s2);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bge(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IRETURN: /* ..., retvalue ==> ... */
+ 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);
unresolved_class *uc = iptr->sx.s23.s2.uc;
codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
}
#endif /* ENABLE_VERIFIER */
goto nowperformreturn;
case ICMD_LRETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
M_LNGMOVE(s1, REG_RESULT_PACKED);
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;
/* call trace function */
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
+ emit_verbosecall_exit(jd);
#if defined(ENABLE_THREADS)
if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
/* range check */
M_CMPUI(REG_ITMP1, i - 1);
- M_BGT(0);
- codegen_addreference(cd, table[0].block);
+ emit_bgt(cd, table[0].block);
/* build jump table top down and use address of lowest entry */
M_ILD(REG_ITMP2, REG_PV, disp);
M_CMP(s1, REG_ITMP2);
}
- M_BEQ(0);
- codegen_addreference(cd, lookup->target.block);
+ emit_beq(cd, lookup->target.block);
lookup++;
}
- M_BR(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;
disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
+
+ /* generate the actual call */
+
+ M_MTCTR(REG_PV);
+ M_JSR;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_MFLR(REG_ITMP1);
+ M_LDA(REG_PV, REG_ITMP1, -disp);
+
+ emit_exception_check(cd, iptr);
break;
case ICMD_INVOKESPECIAL:
- gen_nullptr_check(REG_A0);
- M_ILD(REG_ITMP1, REG_A0, 0); /* hardware nullptr */
- /* fall through */
+ emit_nullpointer_check(cd, iptr, REG_A0);
+ /* fall-through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
codegen_addpatchref(cd, PATCHER_invokestatic_special,
um, disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else
disp = dseg_add_address(cd, lm->stubroutine);
M_ALD(REG_PV, REG_PV, disp);
+
+ /* generate the actual call */
+
+ M_MTCTR(REG_PV);
+ M_JSR;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_MFLR(REG_ITMP1);
+ M_LDA(REG_PV, REG_ITMP1, -disp);
break;
case ICMD_INVOKEVIRTUAL:
- gen_nullptr_check(REG_A0);
-
if (lm == NULL) {
codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
- if (opt_showdisassemble)
- M_NOP;
-
s1 = 0;
}
else {
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_ALD(REG_PV, REG_METHODPTR, s1);
+
+ /* generate the actual call */
+
+ M_MTCTR(REG_PV);
+ M_JSR;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_MFLR(REG_ITMP1);
+ M_LDA(REG_PV, REG_ITMP1, -disp);
break;
case ICMD_INVOKEINTERFACE:
- gen_nullptr_check(REG_A0);
-
if (lm == NULL) {
codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
- if (opt_showdisassemble)
- M_NOP;
-
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_ALD(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD(REG_PV, REG_METHODPTR, s2);
- break;
- }
- /* generate the actual call */
-
- M_MTCTR(REG_PV);
- M_JSR;
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_MFLR(REG_ITMP1);
- M_LDA(REG_PV, REG_ITMP1, -disp);
-
- /* actually only used for ICMD_BUILTIN */
+ /* generate the actual call */
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_CMPI(REG_RESULT, 0);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ M_MTCTR(REG_PV);
+ M_JSR;
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_MFLR(REG_ITMP1);
+ M_LDA(REG_PV, REG_ITMP1, -disp);
+ break;
}
/* store return value */
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
}
-
+
#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 = 7;
- if (super == NULL)
- s2 += (opt_showdisassemble ? 1 : 0);
-
- /* calculate class checkcast code size */
-
- s3 = 8 + (s1 == REG_ITMP1);
- if (super == NULL)
- s3 += (opt_showdisassemble ? 1 : 0);
-
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TST(s1);
- M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
+ emit_label_beq(cd, BRANCH_LABEL_1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
iptr->sx.s23.s3.c.ref,
disp);
- if (opt_showdisassemble)
- M_NOP;
-
M_ILD(REG_ITMP2, REG_PV, disp);
M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
- M_BEQ(s2 + 1);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface checkcast code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super == NULL) {
codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
+ PATCHER_checkcast_interface,
iptr->sx.s23.s3.c.ref,
0);
-
- if (opt_showdisassemble)
- M_NOP;
}
else {
M_TST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
- M_BLE(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
+
M_ALD(REG_ITMP3, REG_ITMP2,
OFFSET(vftbl_t, interfacetable[0]) -
superindex * sizeof(methodptr*));
M_TST(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_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) {
+ emit_label(cd, BRANCH_LABEL_2);
+
disp = dseg_add_unique_address(cd, NULL);
codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else {
disp = dseg_add_address(cd, super->vftbl);
M_TST(s1);
- M_BEQ(s3);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
#endif
M_ISUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
- } else {
+ }
+ else {
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
M_ALD(REG_ITMP2, REG_PV, disp);
#endif
}
M_CMPU(REG_ITMP3, REG_ITMP2);
- M_BGT(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_GT, 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 {
codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else
disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
M_MTCTR(REG_ITMP2);
M_JSR;
M_TST(REG_RESULT);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, s1);
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
}
#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
+ codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
#endif
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 = 8;
- if (super == NULL)
- s2 += (opt_showdisassemble ? 1 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 10;
- if (super == NULL)
- s3 += (opt_showdisassemble ? 1 : 0);
-
M_CLR(d);
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TST(s1);
- M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
+ emit_label_beq(cd, BRANCH_LABEL_1);
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;
-
M_ILD(REG_ITMP3, REG_PV, disp);
M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
- M_BEQ(s2 + 1);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface instanceof code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super == NULL) {
codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
+ PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
-
- if (opt_showdisassemble)
- M_NOP;
}
else {
M_TST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
M_IADD_IMM(REG_ZERO, 1, d);
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) {
+ emit_label(cd, BRANCH_LABEL_2);
+
disp = dseg_add_unique_address(cd, NULL);
codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else {
disp = dseg_add_address(cd, super->vftbl);
M_TST(s1);
- M_BEQ(s3);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
M_CLR(d);
M_BGT(1);
M_IADD_IMM(REG_ZERO, 1, 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;
codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref, disp);
-
- if (opt_showdisassemble)
- M_NOP;
}
else
disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
/* check for exception before result assignment */
- M_CMPI(REG_RESULT, 0);
- M_BEQ(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 during code generation",
- iptr->opc);
+ exceptions_throw_internalerror("Unknown ICMD %d during code generation",
+ iptr->opc);
return false;
} /* switch */
/* generate stubs */
- emit_exception_stubs(jd);
emit_patcher_stubs(jd);
- emit_replacement_stubs(jd);
-
- 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 */
M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);
M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);
M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 4));
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
-
/* get function address (this must happen before the stackframeinfo) */
funcdisp = dseg_add_functionptr(cd, f);
#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL) {
+ if (f == NULL)
codegen_addpatchref(cd, PATCHER_resolve_native_function, m, funcdisp);
-
- if (opt_showdisassemble)
- M_NOP;
- }
#endif
+ /* emit trace code */
+
+ emit_verbosecall_enter(jd);
+
/* save integer and float argument registers */
j = 0;
/* print call trace */
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
+ emit_verbosecall_exit(jd);
/* save return value */