Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen.c 7293 2007-02-06 08:58:32Z twisti $
-
*/
#include "vm/jit/powerpc/codegen.h"
#include "mm/memory.h"
+
+#include "native/localref.h"
#include "native/native.h"
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
+#include "threads/lock-common.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/stringlocal.h"
#include "vm/vm.h"
+#include "vm/jit/abi.h"
#include "vm/jit/abi-asm.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/codegen-common.h"
#include "vm/jit/md.h"
#include "vm/jit/methodheader.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.h"
#include "vm/jit/reg.h"
#include "vm/jit/replace.h"
#include "vm/jit/stacktrace.h"
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
/* space to save used callee saved registers */
savedregs_num += (INT_SAV_CNT - rd->savintreguse);
- savedregs_num += (FLT_SAV_CNT - rd->savfltreguse) * 2;
+ savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
cd->stackframesize = rd->memuse + savedregs_num;
not be shared with place to save the return register on PPC,
since both values reside in R3. */
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* reserve 2 slots for long/double return values for monitorexit */
-
- if (IS_2_WORD_TYPE(m->parseddesc->returntype.type))
- cd->stackframesize += 3;
- else
- cd->stackframesize += 2;
- }
-
+ if (checksync && (m->flags & ACC_SYNCHRONIZED))
+ cd->stackframesize += 2;
#endif
/* create method header */
/* align stack to 16-bytes */
- if (!jd->isleafmethod || JITDATA_HAS_FLAG_VERBOSECALL(jd))
- cd->stackframesize = (cd->stackframesize + 3) & ~3;
+ if (!code_is_leafmethod(code) || JITDATA_HAS_FLAG_VERBOSECALL(jd))
+ ALIGN_2(cd->stackframesize);
- else if (jd->isleafmethod && (cd->stackframesize == LA_SIZE_IN_POINTERS))
+ else if (code_is_leafmethod(code) && (cd->stackframesize == LA_SIZE_IN_POINTERS))
cd->stackframesize = 0;
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize */
+ (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_add_unique_s4(cd, (rd->memuse + 1) * 4);/* IsSync */
+ (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8);/* IsSync */
else
#endif
(void) dseg_add_unique_s4(cd, 0); /* IsSync */
- (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
+ /* REMOVEME: We still need it for exception handling in assembler. */
+
+ if (code_is_leafmethod(code))
+ (void) dseg_add_unique_s4(cd, 1);
+ else
+ (void) dseg_add_unique_s4(cd, 0);
+
(void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
(void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
/* create stack frame (if necessary) */
- if (!jd->isleafmethod) {
+ if (!code_is_leafmethod(code)) {
M_MFLR(REG_ZERO);
M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
}
if (cd->stackframesize)
- M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 4));
+ M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
/* save return address and used callee saved registers */
p = cd->stackframesize;
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_IST(rd->savintregs[i], REG_SP, p * 4);
+ p--; M_IST(rd->savintregs[i], REG_SP, p * 8);
}
for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
- p -= 2; M_DST(rd->savfltregs[i], REG_SP, p * 4);
+ p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
}
/* take arguments out of register or stack frame */
continue;
var = VAR(varindex);
+ s1 = md->params[p].regoff;
- s1 = md->params[p].regoff;
- if (IS_INT_LNG_TYPE(t)) { /* integer args */
- if (IS_2_WORD_TYPE(t))
- s2 = PACK_REGS(rd->argintregs[GET_LOW_REG(s1)],
- rd->argintregs[GET_HIGH_REG(s1)]);
- else
- s2 = rd->argintregs[s1];
- if (!md->params[p].inmemory) { /* register arguments */
- if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
+ if (IS_INT_LNG_TYPE(t)) {
+ if (!md->params[p].inmemory) {
+ if (!IS_INMEMORY(var->flags)) {
if (IS_2_WORD_TYPE(t))
- M_LNGMOVE(s2, var->vv.regoff);
+ M_LNGMOVE(s1, var->vv.regoff);
else
- M_INTMOVE(s2, var->vv.regoff);
-
- } else { /* reg arg -> spilled */
+ M_INTMOVE(s1, var->vv.regoff);
+ }
+ else {
if (IS_2_WORD_TYPE(t))
- M_LST(s2, REG_SP, var->vv.regoff * 4);
+ M_LST(s1, REG_SP, var->vv.regoff);
else
- M_IST(s2, REG_SP, var->vv.regoff * 4);
+ M_IST(s1, REG_SP, var->vv.regoff);
}
-
- } else { /* stack arguments */
- if (!IS_INMEMORY(var->flags)) { /* stack arg -> register */
+ }
+ else {
+ if (!IS_INMEMORY(var->flags)) {
if (IS_2_WORD_TYPE(t))
- M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
else
- M_ILD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
-
- } else { /* stack arg -> spilled */
+ M_ILD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ }
+ else {
#if 1
- M_ILD(REG_ITMP1, REG_SP, (cd->stackframesize + s1) * 4);
- M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4);
+ M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1);
+ M_IST(REG_ITMP1, REG_SP, var->vv.regoff);
if (IS_2_WORD_TYPE(t)) {
- M_ILD(REG_ITMP1, REG_SP, (cd->stackframesize + s1) * 4 +4);
- M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4 + 4);
+ M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1 + 4);
+ M_IST(REG_ITMP1, REG_SP, var->vv.regoff + 4);
}
#else
/* Reuse Memory Position on Caller Stack */
- var->vv.regoff = cd->stackframesize + s1;
+ var->vv.regoff = cd->stackframesize * 8 + s1;
#endif
}
}
-
- } else { /* floating args */
- if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
- if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->vv.regoff);
-
- } else { /* reg arg -> spilled */
- if (IS_2_WORD_TYPE(t))
- M_DST(s2, REG_SP, var->vv.regoff * 4);
- else
- M_FST(s2, REG_SP, var->vv.regoff * 4);
- }
-
- } else { /* stack arguments */
- if (!IS_INMEMORY(var->flags)) { /* stack-arg -> register */
- if (IS_2_WORD_TYPE(t))
- M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
-
- else
- M_FLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 4);
-
- } else { /* stack-arg -> spilled */
+ }
+ else {
+ if (!md->params[p].inmemory) {
+ if (!IS_INMEMORY(var->flags))
+ M_FLTMOVE(s1, var->vv.regoff);
+ else
+ M_DST(s1, REG_SP, var->vv.regoff);
+ }
+ else {
+ if (!IS_INMEMORY(var->flags))
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ else {
#if 1
- if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, (cd->stackframesize + s1) * 4);
- M_DST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
- var->vv.regoff = cd->stackframesize + s1;
-
- } else {
- M_FLD(REG_FTMP1, REG_SP, (cd->stackframesize + s1) * 4);
- M_FST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
- }
+ M_DLD(REG_FTMP1, REG_SP, cd->stackframesize * 8 + s1);
+ M_DST(REG_FTMP1, REG_SP, var->vv.regoff);
#else
/* Reuse Memory Position on Caller Stack */
- var->vv.regoff = cd->stackframesize + s1;
+ var->vv.regoff = cd->stackframesize * 8 + s1;
#endif
}
}
}
- } /* end for */
+ }
#if defined(ENABLE_THREADS)
/* call monitorenter function */
M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
for (p = 0; p < INT_ARG_CNT; p++)
- M_IST(rd->argintregs[p], REG_SP, LA_SIZE + p * 8);
+ M_IST(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(rd->argfltregs[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
+ M_DST(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
- /* ATTENTION: We multiply here with 2, because we use * 8
- above for simplicity and below * 4! */
-
- s1 += (LA_SIZE_IN_POINTERS + ARG_CNT) * 2;
+ s1 += LA_SIZE_IN_POINTERS + ARG_CNT;
}
# endif
- p = dseg_add_functionptr(cd, LOCK_monitor_enter);
- M_ALD(REG_ITMP3, REG_PV, p);
+ disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
+ M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
/* get or test the lock object */
if (m->flags & ACC_STATIC) {
- p = dseg_add_address(cd, &m->class->object.header);
- M_ALD(REG_A0, REG_PV, p);
+ disp = dseg_add_address(cd, &m->class->object.header);
+ M_ALD(REG_A0, REG_PV, disp);
}
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);
+ M_AST(REG_A0, REG_SP, s1 * 8);
M_JSR;
# if !defined(NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
for (p = 0; p < INT_ARG_CNT; p++)
- M_ILD(rd->argintregs[p], REG_SP, LA_SIZE + p * 8);
+ M_ILD(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(rd->argfltregs[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
+ M_DLD(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
}
disp = dseg_add_unique_address(cd, cr);
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
cr, disp);
}
else
case ICMD_COPY:
case ICMD_MOVE:
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
case ICMD_ASTORE:
if (!(iptr->flags.bits & INS_FLAG_RETADDR))
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
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);
case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- bte = iptr->sx.s23.s3.bte;
- md = bte->md;
+ s1 = emit_load_s1(jd, iptr, REG_A0_A1_PACKED);
+ s2 = emit_load_s2(jd, iptr, REG_A2_A3_PACKED);
- s2 = emit_load_s2(jd, iptr, REG_ITMP12_PACKED);
+ /* XXX TODO: only do this if arithmetic check is really done! */
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);
+ bte = iptr->sx.s23.s3.bte;
disp = dseg_add_functionptr(cd, bte->fp);
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
- s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[1].regoff)],
- rd->argintregs[GET_HIGH_REG(md->params[1].regoff)]);
- M_LNGMOVE(s2, s3);
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
- s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[0].regoff)],
- rd->argintregs[GET_HIGH_REG(md->params[0].regoff)]);
- M_LNGMOVE(s1, s3);
+ M_LNGMOVE(s1, REG_A0_A1_PACKED);
+ M_LNGMOVE(s2, REG_A2_A3_PACKED);
M_JSR;
case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
-
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
emit_store_dst(jd, iptr, d);
break;
- case ICMD_IF_FCMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPEQ:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPNE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
-
- case ICMD_IF_FCMPL_LT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_LT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_LE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_LT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_GT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_LE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_GE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
- break;
-
/* memory operations **************************************************/
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- emit_nullpointer_check(cd, iptr, s1);
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
+ /* implicit null-pointer check */
+ M_ILD(d, s1, OFFSET(java_array_t, size));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_IADD_IMM(s2, OFFSET(java_bytearray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ /* 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]));
+ M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray_t, data[0]));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(s2, OFFSET(java_bytearray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ 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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, 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);
- emit_array_checks(cd, iptr, s1, s2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_A1);
- disp = dseg_add_functionptr(cd, BUILTIN_canstore);
+ /* XXX what if array is NULL */
+ disp = dseg_add_functionptr(cd, BUILTIN_FAST_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_arraystore_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);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STWX(s3, s1, REG_ITMP2);
break;
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = dseg_add_unique_address(cd, uf);
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
+ disp = dseg_add_address(cd, fi->value);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- codegen_addpatchref(cd, PATCHER_initialize_class,
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
fi->class, disp);
}
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = dseg_add_unique_address(cd, uf);
- codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
+ disp = dseg_add_address(cd, fi->value);
if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- codegen_addpatchref(cd, PATCHER_initialize_class,
+ patcher_add_patch_ref(jd, PATCHER_initialize_class,
fi->class, disp);
}
case ICMD_GETFIELD: /* ... ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
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);
- emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
if (INSTRUCTION_IS_UNRESOLVED(iptr))
- codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST(s2, s1, disp);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_class *uc = iptr->sx.s23.s2.uc;
- codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
}
#endif /* ENABLE_VERIFIER */
M_ALD(REG_ITMP2, REG_PV, disp);
M_MTCTR(REG_ITMP2);
- if (jd->isleafmethod)
+ if (code_is_leafmethod(code))
M_MFLR(REG_ITMP3); /* save LR */
M_BL(0); /* get current PC */
M_MFLR(REG_ITMP2_XPC);
- if (jd->isleafmethod)
+ if (code_is_leafmethod(code))
M_MTLR(REG_ITMP3); /* restore LR */
M_RTS; /* jump to CTR */
case ICMD_GOTO: /* ... ==> ... */
case ICMD_RET: /* ... ==> ... */
- M_BR(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
+ emit_br(cd, iptr->dst.block);
ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_BR(0);
- codegen_add_branch_ref(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_add_branch_ref(cd, iptr->dst.block);
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TST(s1);
- M_BNE(0);
- codegen_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(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_add_branch_ref(cd, iptr->dst.block);
+ emit_bge(cd, iptr->dst.block);
+ emit_label(cd, BRANCH_LABEL_1);
break;
case ICMD_IRETURN: /* ..., retvalue ==> ... */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
unresolved_class *uc = iptr->sx.s23.s2.uc;
- codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
+ patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
}
#endif /* ENABLE_VERIFIER */
goto nowperformreturn;
switch (iptr->opc) {
case ICMD_LRETURN:
- M_IST(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
+ M_IST(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
/* fall through */
case ICMD_IRETURN:
case ICMD_ARETURN:
- M_IST(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
+ M_IST(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
break;
case ICMD_FRETURN:
- M_FST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
- break;
case ICMD_DRETURN:
- M_DST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ M_DST(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
break;
}
- M_ALD(REG_A0, REG_SP, rd->memuse * 4);
+ M_ALD(REG_A0, REG_SP, rd->memuse * 8);
M_JSR;
/* and now restore the proper return value */
switch (iptr->opc) {
case ICMD_LRETURN:
- M_ILD(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
+ M_ILD(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
/* fall through */
case ICMD_IRETURN:
case ICMD_ARETURN:
- M_ILD(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
+ M_ILD(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
break;
case ICMD_FRETURN:
- M_FLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
- break;
case ICMD_DRETURN:
- M_DLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
break;
}
}
/* restore return address */
- if (!jd->isleafmethod) {
+ if (!code_is_leafmethod(code)) {
/* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
may have a displacement overflow. */
- M_ALD(REG_ITMP1, REG_SP, p * 4 + LA_LR_OFFSET);
+ M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
M_MTLR(REG_ITMP1);
}
/* restore saved registers */
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_ILD(rd->savintregs[i], REG_SP, p * 4);
+ p--; M_ILD(rd->savintregs[i], REG_SP, p * 8);
}
for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
- p -= 2; M_DLD(rd->savfltregs[i], REG_SP, p * 4);
+ p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
}
/* deallocate stack */
if (cd->stackframesize)
- M_LDA(REG_SP, REG_SP, cd->stackframesize * 4);
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
M_RET;
ALIGNCODENOP;
/* range check */
M_CMPUI(REG_ITMP1, i - 1);
- M_BGT(0);
- codegen_add_branch_ref(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_add_branch_ref(cd, lookup->target.block);
+ emit_beq(cd, lookup->target.block);
lookup++;
}
- M_BR(0);
- codegen_add_branch_ref(cd, iptr->sx.s23.s3.lookupdefault.block);
-
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
ALIGNCODENOP;
break;
}
case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
+
bte = iptr->sx.s23.s3.bte;
md = bte->md;
goto gen_method;
for (s3 = s3 - 1; s3 >= 0; s3--) {
var = VAR(iptr->sx.s23.s2.args[s3]);
+ d = md->params[s3].regoff;
/* Already Preallocated? */
if (var->flags & PREALLOC)
if (IS_INT_LNG_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
if (IS_2_WORD_TYPE(var->type)) {
- s1 = PACK_REGS(
- rd->argintregs[GET_LOW_REG(md->params[s3].regoff)],
- rd->argintregs[GET_HIGH_REG(md->params[s3].regoff)]);
- d = emit_load(jd, iptr, var, s1);
- M_LNGMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_LNGMOVE(s1, d);
}
else {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_INTMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_INTMOVE(s1, d);
}
}
else {
if (IS_2_WORD_TYPE(var->type)) {
- d = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
- M_LST(d, REG_SP, md->params[s3].regoff * 4);
+ s1 = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
+ M_LST(s1, REG_SP, d);
}
else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_IST(d, REG_SP, md->params[s3].regoff * 4);
+ s1 = emit_load(jd, iptr, var, REG_ITMP1);
+ M_IST(s1, REG_SP, d);
}
}
}
else {
if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_FLTMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_FLTMOVE(s1, d);
}
else {
- d = emit_load(jd, iptr, var, REG_FTMP1);
- if (IS_2_WORD_TYPE(var->type))
- M_DST(d, REG_SP, md->params[s3].regoff * 4);
- else
- M_FST(d, REG_SP, md->params[s3].regoff * 4);
+ s1 = emit_load(jd, iptr, var, REG_FTMP1);
+ M_DST(s1, REG_SP, d);
}
}
}
switch (iptr->opc) {
case ICMD_BUILTIN:
- disp = dseg_add_functionptr(cd, bte->fp);
+ if (bte->stub == NULL)
+ disp = dseg_add_functionptr(cd, bte->fp);
+ else
+ disp = dseg_add_functionptr(cd, bte->stub);
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);
+ REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
+ disp = (s4) (cd->mcodeptr - cd->mcodebase);
+ M_MFLR(REG_ITMP1);
+ M_LDA(REG_PV, REG_ITMP1, -disp);
break;
case ICMD_INVOKESPECIAL:
emit_nullpointer_check(cd, iptr, REG_A0);
- M_ILD(REG_ITMP1, REG_A0, 0); /* hardware nullptr */
- /* fall through */
+ /* fall-through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
disp = dseg_add_unique_address(cd, um);
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
um, disp);
}
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:
- emit_nullpointer_check(cd, iptr, REG_A0);
-
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
s1 = 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_object_t, 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:
- emit_nullpointer_check(cd, iptr, REG_A0);
-
if (lm == NULL) {
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
+ patcher_add_patch_ref(jd, 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_object_t, vftbl));
M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
M_ALD(REG_PV, REG_METHODPTR, s2);
- break;
- }
- /* generate the actual call */
+ /* 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);
-
- /* actually only used for ICMD_BUILTIN */
-
- 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 */
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->diffvall));
- */
if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
/* object type cast-check */
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_shownops ? 1 : 0);
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
- /* calculate class checkcast code size */
-
- s3 = 8 + (s1 == REG_ITMP1);
- if (super == NULL)
- s3 += (opt_shownops ? 1 : 0);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TST(s1);
- M_BEQ(3 + (opt_shownops ? 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_add_patch_ref(jd,
PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref,
disp);
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_add_patch_ref(jd,
+ PATCHER_checkcast_interface,
iptr->sx.s23.s3.c.ref,
0);
}
else {
M_TST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
M_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,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
}
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));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_ALD(REG_ITMP2, REG_PV, disp);
if (s1 != REG_ITMP1) {
M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
M_ISUB(REG_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);
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
}
M_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 {
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref,
disp);
}
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);
break;
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;
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
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE))
+ CODEGEN_CRITICAL_SECTION_NEW;
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (s1 == d) {
M_MOV(s1, REG_ITMP1);
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 8;
- if (super == NULL)
- s2 += (opt_shownops ? 1 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 10;
- if (super == NULL)
- s3 += (opt_shownops ? 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_shownops ? 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,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, disp);
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_add_patch_ref(jd,
+ PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
}
else {
M_TST(s1);
- M_BEQ(s2);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
M_BLE(4);
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,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
}
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_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ITMP2, REG_PV, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_START;
+
M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ CODEGEN_CRITICAL_SECTION_END;
+
M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
M_CMPU(REG_ITMP1, REG_ITMP2);
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;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref, disp);
}
else
/* 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);
dseg_createlinenumbertable(cd);
- /* generate stubs */
-
- emit_exception_stubs(jd);
- emit_patcher_stubs(jd);
- REPLACEMENT_EMIT_STUBS(jd);
+ /* generate traps */
- codegen_finish(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
}
-/* createcompilerstub **********************************************************
-
- Creates a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-#define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
-#define COMPILERSTUB_CODESIZE 4 * 4
-
-#define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
-
-
-u1 *createcompilerstub(methodinfo *m)
-{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
- codegendata *cd;
- s4 dumpsize;
+/* codegen_emit_stub_native ****************************************************
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
-
- /* mark start of dump memory area */
-
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* 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) &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_MTCTR(REG_PV);
- M_RTS;
-
- md_cacheflush((u1 *) d, COMPILERSTUB_SIZE);
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
-}
-
-
-/* createnativestub ************************************************************
-
- Creates a stub routine which calls a native method.
+ Emits a stub routine which calls a native method.
*******************************************************************************/
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2, disp;
- s4 funcdisp;
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ methoddesc *md;
+ s4 i, j; /* count variables */
+ s4 t;
+ s4 s1, s2;
+ int disp;
/* get required compiler data */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
/* set some variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stackframe size */
cd->stackframesize =
sizeof(stackframeinfo) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
- 4 + /* 4 stackframeinfo arguments (darwin)*/
- nmd->paramcount * 2 + /* assume all arguments are doubles */
+ 4 + /* 4 stackframeinfo arguments (darwin) */
+ nmd->paramcount +
nmd->memuse;
/* keep stack 16-byte aligned */
- cd->stackframesize = (cd->stackframesize + 3) & ~3;
+ ALIGN_2(cd->stackframesize);
/* create method header */
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize */
+ (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 */
M_MFLR(REG_ZERO);
M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
- M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 4));
+ M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
- /* get function address (this must happen before the stackframeinfo) */
+#if defined(ENABLE_GC_CACAO)
+ /* Save callee saved integer registers in stackframeinfo (GC may
+ need to recover them during a collection). */
- funcdisp = dseg_add_functionptr(cd, f);
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo) +
+ OFFSET(stackframeinfo, intregs);
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- codegen_addpatchref(cd, PATCHER_resolve_native_function, m, funcdisp);
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
#endif
- /* emit trace code */
-
- emit_verbosecall_enter(jd);
-
/* save integer and float argument registers */
- j = 0;
-
for (i = 0; i < md->paramcount; i++) {
- t = md->paramtypes[i].type;
-
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- if (IS_2_WORD_TYPE(t)) {
- M_IST(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- j++;
- M_IST(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- } else {
- M_IST(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- }
- j++;
- }
- }
- }
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
- for (i = 0; i < md->paramcount; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
+ case TYPE_LNG:
+ M_LST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
}
}
}
/* create native stack info */
- M_AADD_IMM(REG_SP, cd->stackframesize * 4, REG_A0);
+ M_MOV(REG_SP, REG_A0);
M_MOV(REG_PV, REG_A1);
- M_AADD_IMM(REG_SP, cd->stackframesize * 4, REG_A2);
- M_ALD(REG_A3, REG_SP, cd->stackframesize * 4 + LA_LR_OFFSET);
disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
M_JSR;
- /* restore integer and float argument registers */
+ /* remember class argument */
- j = 0;
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP3);
- for (i = 0; i < md->paramcount; i++) {
- t = md->paramtypes[i].type;
+ /* restore integer and float argument registers */
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
+ for (i = 0; i < md->paramcount; i++) {
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- j++;
- M_ILD(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- } else {
- M_ILD(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- }
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
+ case TYPE_LNG:
+ M_LLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
+ break;
}
}
}
- for (i = 0; i < md->paramcount; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
- j++;
- }
- }
- }
-
/* copy or spill arguments to new locations */
- for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
+ for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
t = md->paramtypes[i].type;
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
- if (IS_2_WORD_TYPE(t))
- s1 = PACK_REGS(
- rd->argintregs[GET_LOW_REG(md->params[i].regoff)],
- rd->argintregs[GET_HIGH_REG(md->params[i].regoff)]);
- else
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
if (!nmd->params[j].inmemory) {
- if (IS_2_WORD_TYPE(t)) {
- s2 = PACK_REGS(
- rd->argintregs[GET_LOW_REG(nmd->params[j].regoff)],
- rd->argintregs[GET_HIGH_REG(nmd->params[j].regoff)]);
+ if (IS_2_WORD_TYPE(t))
M_LNGMOVE(s1, s2);
- } else {
- s2 = rd->argintregs[nmd->params[j].regoff];
+ else
M_INTMOVE(s1, s2);
- }
-
- } else {
- s2 = nmd->params[j].regoff;
+ }
+ else {
if (IS_2_WORD_TYPE(t))
- M_LST(s1, REG_SP, s2 * 4);
+ M_LST(s1, REG_SP, s2);
else
- M_IST(s1, REG_SP, s2 * 4);
+ M_IST(s1, REG_SP, s2);
}
-
- } else {
- s1 = md->params[i].regoff + cd->stackframesize;
+ }
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- M_ILD(REG_ITMP1, REG_SP, s1 * 4);
+ M_ILD(REG_ITMP1, REG_SP, s1);
if (IS_2_WORD_TYPE(t))
- M_ILD(REG_ITMP2, REG_SP, s1 * 4 + 4);
+ M_ILD(REG_ITMP2, REG_SP, s1 + 4);
- M_IST(REG_ITMP1, REG_SP, s2 * 4);
+ M_IST(REG_ITMP1, REG_SP, s2);
if (IS_2_WORD_TYPE(t))
- M_IST(REG_ITMP2, REG_SP, s2 * 4 + 4);
+ M_IST(REG_ITMP2, REG_SP, s2 + 4);
}
-
- } else {
+ }
+ else {
/* We only copy spilled float arguments, as the float
argument registers keep unchanged. */
if (md->params[i].inmemory) {
- s1 = md->params[i].regoff + cd->stackframesize;
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, s1 * 4);
- M_DST(REG_FTMP1, REG_SP, s2 * 4);
+ M_DLD(REG_FTMP1, REG_SP, s1);
- } else {
- M_FLD(REG_FTMP1, REG_SP, s1 * 4);
- M_FST(REG_FTMP1, REG_SP, s2 * 4);
- }
+ if (IS_2_WORD_TYPE(t))
+ M_DST(REG_FTMP1, REG_SP, s2);
+ else
+ M_FST(REG_FTMP1, REG_SP, s2);
}
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, m->class);
- M_ALD(REG_A1, REG_PV, disp);
- }
+ if (m->flags & ACC_NATIVE) {
+ /* put class into second argument register */
+
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_ITMP3, REG_A1);
- /* put env into first argument register */
+ /* put env into first argument register */
- disp = dseg_add_address(cd, _Jv_env);
- M_ALD(REG_A0, REG_PV, disp);
+ disp = dseg_add_address(cd, _Jv_env);
+ M_ALD(REG_A0, REG_PV, disp);
+ }
- /* generate the actual native call */
+ /* Call the native function. */
- M_ALD(REG_ITMP3, REG_PV, funcdisp);
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_JSR;
- /* print call trace */
-
- emit_verbosecall_exit(jd);
-
/* save return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type)) {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_IST(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);
- M_IST(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
- }
- else {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
- else
- M_FST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
- }
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_LNG:
+ M_LST(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_VOID:
+ break;
}
/* remove native stackframe info */
- M_AADD_IMM(REG_SP, cd->stackframesize * 4, REG_A0);
+ M_MOV(REG_SP, REG_A0);
+ M_MOV(REG_PV, REG_A1);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
/* restore return value */
- if (md->returntype.type != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(md->returntype.type)) {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);
- M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
- }
- else {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
- else
- M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
- }
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_LNG:
+ M_LLD(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
+ break;
+ case TYPE_VOID:
+ break;
}
- M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 4 + LA_LR_OFFSET);
+#if defined(ENABLE_GC_CACAO)
+ /* Restore callee saved integer registers from stackframeinfo (GC
+ might have modified them during a collection). */
+
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo) +
+ OFFSET(stackframeinfo, intregs);
+
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
+#endif
+
+ M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
M_MTLR(REG_ITMP2_XPC);
- M_LDA(REG_SP, REG_SP, cd->stackframesize * 4); /* remove stackframe */
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* remove stackframe */
/* check for exception */
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_RTS;
-
- /* generate patcher stubs */
-
- emit_patcher_stubs(jd);
-
- codegen_finish(jd);
-
- return code->entrypoint;
}
projects / cacao.git / blobdiff