Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: codegen.c 7766 2007-04-19 13:24:48Z michi $
+ $Id: codegen.c 7891 2007-05-09 16:37:20Z tbfg $
*/
#include "native/native.h"
+#include "threads/lock-common.h"
+
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
# include "vm/jit/allocator/lsra.h"
#endif
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
-
/* codegen_emit ****************************************************************
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 = 9;
-#if defined(SOFTEX)
- s2 += CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd) ? 2 : 0;
-#endif
- if (super == NULL)
- s2 += (opt_shownops ? 1 : 0);
-
- /* calculate class checkcast code size */
+
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
+ CODEGEN_CRITICAL_SECTION_NEW;
+ }
- s3 = 10 + (s1 == REG_ITMP1);
-#if defined(SOFTEX)
- s3 += CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd) ? 1 : 0;
-#endif
- 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,
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 */
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_TST(REG_ITMP3);
emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
- if (!super)
- M_BR(s3);
+ if (super == NULL) {
+ 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_checkcast_class,
iptr->sx.s23.s3.c.ref,
} 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));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
+ 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_SUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
M_EXTSW(REG_ITMP3, REG_ITMP3);
} else {
M_EXTSW(REG_ITMP3, 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);
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);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
super = NULL;
superindex = 0;
- supervftbl = NULL;
}
else {
super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+ 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) {
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 8;
- if (!super)
- s2 += (opt_shownops ? 1 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 11;
- 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_checkcast_instanceof_flags,
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 || (super->flags & ACC_INTERFACE)) {
- if (super) {
- M_TST(s1);
- M_BEQ(s2);
-
- } else {
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
codegen_addpatchref(cd,
PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
+
+ } else {
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
M_BEQ(1);
M_IADD_IMM(REG_ZERO, 1, d);
- if (super == NULL)
- M_BR(s3);
+ if (super == NULL) {
+ 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) {
- disp = dseg_add_address(cd, supervftbl);
- M_TST(s1);
- M_BEQ(s3);
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
- } else {
disp = dseg_add_unique_address(cd, NULL);
codegen_addpatchref(cd, PATCHER_instanceof_class,
iptr->sx.s23.s3.c.ref,
disp);
+
+ } else {
+ disp = dseg_add_address(cd, super->vftbl);
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, 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_SUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
M_EXTSW(REG_ITMP1, 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;
projects / cacao.git / blobdiff