/* src/vm/jit/s390/emit.c - s390 code emitter functions
- 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
+ Copyright (C) 1996-2005, 2006, 2007, 2008, 2010
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
#include <assert.h>
#include <stdint.h>
-#include "mm/memory.h"
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
-#include "vm/builtin.h"
-#include "vm/exceptions.h"
-#include "vm/global.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/emit-common.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/patcher-common.h"
-#include "vm/jit/replace.h"
#include "vm/jit/s390/codegen.h"
#include "vm/jit/s390/emit.h"
#include "vm/jit/s390/md-abi.h"
+
+#include "mm/memory.hpp"
+
+#include "threads/lock.hpp"
+
+#include "vm/jit/builtin.hpp"
+#include "vm/global.h"
#include "vm/types.h"
-#include "vmcore/options.h"
+#include "vm/options.h"
+
+#include "vm/jit/abi.h"
+#include "vm/jit/abi-asm.h"
+#include "vm/jit/asmpart.h"
+#include "vm/jit/codegen-common.hpp"
+#include "vm/jit/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/patcher-common.hpp"
+#include "vm/jit/replace.hpp"
+#include "vm/jit/trace.hpp"
+#include "vm/jit/trap.hpp"
+
/* emit_load *******************************************************************
}
}
+
+/**
+ * Emits code updating the condition register by comparing one integer
+ * register to an immediate integer value.
+ */
+void emit_icmp_imm(codegendata* cd, int reg, int32_t value)
+{
+ int32_t disp;
+
+ if (N_VALID_IMM(value)) {
+ M_ICMP_IMM(reg, value);
+ } else {
+ disp = dseg_add_s4(cd, value);
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_C(reg, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ assert(reg != REG_ITMP2);
+ ICONST(REG_ITMP2, disp);
+ N_C(reg, -N_PV_OFFSET, REG_ITMP2, REG_PV);
+ }
+ }
+}
+
+
/* emit_trap *******************************************************************
Emit a trap instruction and return the original machine code.
mcode = *((u2 *) cd->mcodeptr);
- M_ILL(EXCEPTION_HARDWARE_PATCHER);
+ M_ILL(TRAP_PATCHER);
return mcode;
}
-/* emit_verbosecall_enter ******************************************************
-
- Generates the code for the call trace.
+/**
+ * Generates synchronization code to enter a monitor.
+ */
+#if defined(ENABLE_THREADS)
+void emit_monitor_enter(jitdata* jd, int32_t syncslot_offset)
+{
+ int32_t p;
+ int32_t disp;
-*******************************************************************************/
+ // Get required compiler data.
+ methodinfo* m = jd->m;
+ codegendata* cd = jd->cd;
#if !defined(NDEBUG)
-#include "vm/jit/trace.h"
-void emit_verbosecall_enter(jitdata *jd)
-{
-#if 1
- methodinfo *m;
- codegendata *cd;
- s4 stackframesize;
- s4 i, off, disp;
+ if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ M_ASUB_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
- m = jd->m;
- cd = jd->cd;
+ for (p = 0; p < INT_ARG_CNT; p++)
+ M_IST(abi_registers_integer_argument[p], REG_SP, p * 8);
- /* mark trace code */
+ for (p = 0; p < FLT_ARG_CNT; p++)
+ M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
- M_NOP;
+ syncslot_offset += (INT_ARG_CNT + FLT_ARG_CNT) * 8;
+ }
+#endif
- /* allocate stack frame */
+ /* decide which monitor enter function to call */
- stackframesize = 96 + (ARG_CNT * 8) + (TMP_CNT * 8);
- M_ASUB_IMM(stackframesize, REG_SP);
+ if (m->flags & ACC_STATIC) {
+ disp = dseg_add_address(cd, &m->clazz->object.header);
+ M_ALD_DSEG(REG_A0, disp);
+ }
+ else {
+ M_TEST(REG_A0);
+ M_BNE(SZ_BRC + SZ_ILL);
+ M_ILL(TRAP_NullPointerException);
+ }
- /* store argument registers in array */
+ disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
+ M_ALD_DSEG(REG_ITMP2, disp);
- off = 96;
+ M_AST(REG_A0, REG_SP, syncslot_offset);
- for (i = 0; i < INT_ARG_CNT; ++i, off += 8) {
- M_IST(abi_registers_integer_argument[i], REG_SP, off + 4);
- /* high bytes are sign extension */
- M_SRA_IMM(31, abi_registers_integer_argument[i]);
- M_IST(abi_registers_integer_argument[i], REG_SP, off);
- }
+ M_ASUB_IMM(96, REG_SP);
+ M_CALL(REG_ITMP2);
+ M_AADD_IMM(96, REG_SP);
- for (i = 0; i < FLT_ARG_CNT; ++i, off += 8) {
- M_DST(abi_registers_float_argument[i], REG_SP, off);
- }
-
- /* save temporary registers for leaf methods */
+#if !defined(NDEBUG)
+ if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ for (p = 0; p < INT_ARG_CNT; p++)
+ M_ILD(abi_registers_integer_argument[p], REG_SP, p * 8);
- if (jd->isleafmethod) {
- for (i = 0; i < INT_TMP_CNT; ++i, off += 8) {
- M_IST(abi_registers_integer_temporary[i], REG_SP, off);
- }
+ for (p = 0; p < FLT_ARG_CNT; p++)
+ M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
- for (i = 0; i < FLT_TMP_CNT; ++i, off += 8) {
- M_DST(abi_registers_float_temporary[i], REG_SP, off);
- }
+ M_AADD_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
}
+#endif
+}
+#endif
- /* load arguments for trace_java_call_enter */
- /* methodinfo */
- disp = dseg_add_address(cd, m);
- M_ALD_DSEG(REG_A0, disp);
- /* pointer to argument registers array */
- M_LDA(REG_A1, REG_SP, 96);
- /* pointer to on stack arguments */
- M_LDA(REG_A2, REG_SP, stackframesize + (cd->stackframesize * 8));
+/**
+ * Generates synchronization code to leave a monitor.
+ */
+#if defined(ENABLE_THREADS)
+void emit_monitor_exit(jitdata* jd, int32_t syncslot_offset)
+{
+ int32_t disp;
+
+ // Get required compiler data.
+ methodinfo* m = jd->m;
+ codegendata* cd = jd->cd;
+
+ /* we need to save the proper return value */
+
+ methoddesc* md = m->parseddesc;
+
+ switch (md->returntype.type) {
+ case TYPE_LNG:
+ M_IST(REG_RESULT2, REG_SP, syncslot_offset + 8 + 4);
+ /* fall through */
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(REG_RESULT , REG_SP, syncslot_offset + 8);
+ break;
+ case TYPE_FLT:
+ M_FST(REG_FRESULT, REG_SP, syncslot_offset + 8);
+ break;
+ case TYPE_DBL:
+ M_DST(REG_FRESULT, REG_SP, syncslot_offset + 8);
+ break;
+ }
- /* call trace_java_call_enter */
+ M_ALD(REG_A0, REG_SP, syncslot_offset);
- disp = dseg_add_functionptr(cd, trace_java_call_enter);
+ disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
M_ALD_DSEG(REG_ITMP2, disp);
+
+ M_ASUB_IMM(96, REG_SP);
M_CALL(REG_ITMP2);
+ M_AADD_IMM(96, REG_SP);
- /* restore argument registers */
+ /* and now restore the proper return value */
+
+ switch (md->returntype.type) {
+ case TYPE_LNG:
+ M_ILD(REG_RESULT2, REG_SP, syncslot_offset + 8 + 4);
+ /* fall through */
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_RESULT , REG_SP, syncslot_offset + 8);
+ break;
+ case TYPE_FLT:
+ M_FLD(REG_FRESULT, REG_SP, syncslot_offset + 8);
+ break;
+ case TYPE_DBL:
+ M_DLD(REG_FRESULT, REG_SP, syncslot_offset + 8);
+ break;
+ }
+}
+#endif
- off = 96;
- for (i = 0; i < INT_ARG_CNT; ++i, off += 8) {
- M_ILD(abi_registers_integer_argument[i], REG_SP, off + 4);
- }
+/**
+ * Emit profiling code for method frequency counting.
+ */
+#if defined(ENABLE_PROFILING)
+void emit_profile_method(codegendata* cd, codeinfo* code)
+{
+ M_ALD_DSEG(REG_ITMP1, CodeinfoPointer);
+ ICONST(REG_ITMP2, 1);
+ N_AL(REG_ITMP2, OFFSET(codeinfo, frequency), RN, REG_ITMP1);
+ M_IST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
+}
+#endif
- for (i = 0; i < FLT_ARG_CNT; ++i, off += 8) {
- M_DLD(abi_registers_float_argument[i], REG_SP, off);
- }
- /* restore temporary registers for leaf methods */
+/**
+ * Emit profiling code for basicblock frequency counting.
+ */
+#if defined(ENABLE_PROFILING)
+void emit_profile_basicblock(codegendata* cd, codeinfo* code, basicblock* bptr)
+{
+ M_ALD_DSEG(REG_ITMP1, CodeinfoPointer);
+ M_ALD(REG_ITMP1, REG_ITMP1, OFFSET(codeinfo, bbfrequency));
+ ICONST(REG_ITMP2, 1);
+ N_AL(REG_ITMP2, bptr->nr * 4, RN, REG_ITMP1);
+ M_IST(REG_ITMP2, REG_ITMP1, bptr->nr * 4);
+}
+#endif
- if (jd->isleafmethod) {
- for (i = 0; i < INT_TMP_CNT; ++i, off += 8) {
- M_ILD(abi_registers_integer_temporary[i], REG_SP, off);
- }
- for (i = 0; i < FLT_TMP_CNT; ++i, off += 8) {
- M_DLD(abi_registers_float_temporary[i], REG_SP, off);
- }
- }
+/**
+ * Emit profiling code to start CPU cycle counting.
+ */
+#if defined(ENABLE_PROFILING)
+void emit_profile_cycle_start(codegendata* cd, codeinfo* code)
+{
+ // XXX Not implemented yet!
+}
+#endif
- /* remove stack frame */
- M_AADD_IMM(stackframesize, REG_SP);
+/**
+ * Emit profiling code to stop CPU cycle counting.
+ */
+#if defined(ENABLE_PROFILING)
+void emit_profile_cycle_stop(codegendata* cd, codeinfo* code)
+{
+ // XXX Not implemented yet!
+}
+#endif
- /* mark trace code */
- M_NOP;
+/* emit_verbosecall_enter ******************************************************
-#else
+ Generates the code for the call trace.
+
+*******************************************************************************/
+
+#if !defined(NDEBUG)
+void emit_verbosecall_enter(jitdata *jd)
+{
methodinfo *m;
+ codeinfo *code;
codegendata *cd;
methoddesc *md;
- s4 i, j, k;
- s4 stackframesize, off, foff, aoff, doff, t, iargctr, fargctr, disp;
+ s4 stackframesize;
+ s4 i, off, disp, s;
- /* get required compiler data */
+ m = jd->m;
+ code = jd->code;
+ cd = jd->cd;
- m = jd->m;
- cd = jd->cd;
-
- md = m->parseddesc;
+ md = m->parseddesc;
/* mark trace code */
M_NOP;
- stackframesize =
- (6 * 8) + /* s8 on stack parameters x 6 */
- (1 * 4) + /* methodinfo on stack parameter */
- (ARG_CNT * 8) +
- (TMP_CNT * 8)
- ;
+ /* allocate stack frame */
- M_ASUB_IMM(stackframesize, REG_SP); /* allocate stackframe */
+ stackframesize = 96 + (md->paramcount * 8);
- /* save argument registers */
+ /* for leaf methods we need to store unused argument and temporary registers */
- off = (6 * 8) + (1 * 4);
+ if (code_is_leafmethod(code)) {
+ stackframesize += (ARG_CNT + TMP_CNT) * 8;
+ }
- for (i = 0; i < INT_ARG_CNT; i++, off += 8)
- M_IST(abi_registers_integer_argument[i], REG_SP, off);
+ /* allocate stack frame */
- for (i = 0; i < FLT_ARG_CNT; i++, off += 8)
- M_DST(abi_registers_float_argument[i], REG_SP, off);
+ M_ASUB_IMM(stackframesize, REG_SP);
- /* save temporary registers for leaf methods */
+ /* store argument registers in array */
- if (jd->isleafmethod) {
- for (i = 0; i < INT_TMP_CNT; i++, off += 8)
- M_LST(abi_registers_integer_temporary[i], REG_SP, off);
+ off = 96;
- for (i = 0; i < FLT_TMP_CNT; i++, off += 8)
- M_DST(abi_registers_float_temporary[i], REG_SP, off);
+ for (i = 0; i < md->paramcount; i++) {
+ if (! md->params[i].inmemory) {
+ s = md->params[i].regoff;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(s, REG_SP, off);
+ break;
+ case TYPE_LNG:
+ M_LST(s, REG_SP, off);
+ break;
+ case TYPE_FLT:
+ M_FST(s, REG_SP, off);
+ break;
+ case TYPE_DBL:
+ M_DST(s, REG_SP, off);
+ break;
+ }
+ }
+ off += 8;
}
- /* Load arguments to new locations */
+ /* save unused (currently all) argument registers for leaf methods */
+ /* save temporary registers for leaf methods */
- /* First move all arguments to stack
- *
- * (s8) a7
- * (s8) a2
- * ...
- * (s8) a1 \ Auxilliary stack frame
- * (s8) a0 /
- * ------- <---- SP
- */
+ if (code_is_leafmethod(code)) {
- M_ASUB_IMM(2 * 8, REG_SP);
-
- /* offset to where first integer arg is saved on stack */
- off = (2 * 8) + (6 * 8) + (1 * 4);
- /* offset to where first float arg is saved on stack */
- foff = off + (INT_ARG_CNT * 8);
- /* offset to where first argument is passed on stack */
- aoff = (2 * 8) + stackframesize + (cd->stackframesize * 8);
- /* offset to destination on stack */
- doff = 0;
-
- iargctr = fargctr = 0;
-
- ICONST(REG_ITMP1, 0);
-
- for (i = 0; i < md->paramcount && i < 8; i++) {
- t = md->paramtypes[i].type;
-
- M_IST(REG_ITMP1, REG_SP, doff);
- M_IST(REG_ITMP1, REG_SP, doff + 4);
-
- if (IS_FLT_DBL_TYPE(t)) {
- if (fargctr < 2) { /* passed in register */
- N_STD(abi_registers_float_argument[fargctr], doff, RN, REG_SP);
- fargctr += 1;
- } else { /* passed on stack */
- /*
- if (IS_2_WORD_TYPE(t)) {
- N_MVC(doff, 8, REG_SP, aoff, REG_SP);
- } else {
- N_MVC(doff + 4, 4, REG_SP, aoff, REG_SP);
- }
- */
- N_MVC(doff, 8, REG_SP, aoff, REG_SP);
- aoff += 8;
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- if (iargctr < 4) { /* passed in 2 registers */
- N_STM(REG_A0 + iargctr, REG_A0 + iargctr + 1, doff, REG_SP);
- iargctr += 2;
- } else { /* passed on stack */
- N_MVC(doff, 8, REG_SP, aoff, REG_SP);
- aoff += 8;
- }
- } else {
- if (iargctr < 5) { /* passed in register */
- N_ST(REG_A0 + iargctr, doff + 4, RN, REG_SP);
- iargctr += 1;
- } else { /* passed on stack */
- N_MVC(doff + 4, 4, REG_SP, aoff, REG_SP);
- aoff += 8;
- }
- }
+ for (i = 0; i < INT_ARG_CNT; ++i, off += 8) {
+ M_IST(abi_registers_integer_argument[i], REG_SP, off);
}
- doff += 8;
- }
+ for (i = 0; i < FLT_ARG_CNT; ++i, off += 8) {
+ M_DST(abi_registers_float_argument[i], REG_SP, off);
+ }
- /* Now move a0 and a1 to registers
- *
- * (s8) a7
- * ...
- * (s8) a2
- * ------- <- SP
- * (s8) a0 ==> a0, a1
- * (s8) a1 ==> a2, a3
- */
+ for (i = 0; i < INT_TMP_CNT; ++i, off += 8) {
+ M_IST(abi_registers_integer_temporary[i], REG_SP, off);
+ }
- N_LM(REG_A0, REG_A1, 0, REG_SP);
- N_LM(REG_A2, REG_A3, 8, REG_SP);
+ for (i = 0; i < FLT_TMP_CNT; ++i, off += 8) {
+ M_DST(abi_registers_float_temporary[i], REG_SP, off);
+ }
+ }
- M_AADD_IMM(2 * 8, REG_SP);
+ /* load arguments for trace_java_call_enter */
- /* Finally load methodinfo argument */
+ /* methodinfo */
disp = dseg_add_address(cd, m);
- M_ALD_DSEG(REG_ITMP2, disp);
- M_AST(REG_ITMP2, REG_SP, 6 * 8);
+ M_ALD_DSEG(REG_A0, disp);
+ /* pointer to argument registers array */
+ M_LDA(REG_A1, REG_SP, 96);
+ /* pointer to on stack arguments */
+ M_LDA(REG_A2, REG_SP, stackframesize + (cd->stackframesize * 8));
- /* Call builtin_verbosecall_enter */
+ /* call trace_java_call_enter */
- disp = dseg_add_address(cd, builtin_verbosecall_enter);
+ disp = dseg_add_functionptr(cd, trace_java_call_enter);
M_ALD_DSEG(REG_ITMP2, disp);
- M_ASUB_IMM(96, REG_SP);
M_CALL(REG_ITMP2);
- M_AADD_IMM(96, REG_SP);
-
- /* restore argument registers */
- off = (6 * 8) + (1 * 4);
+ /* restore used argument registers */
+ /* for leaf methods restore all argument and temporary registers */
- for (i = 0; i < INT_ARG_CNT; i++, off += 8)
- M_ILD(abi_registers_integer_argument[i], REG_SP, off);
+ if (code_is_leafmethod(code)) {
+ off = 96 + (8 * md->paramcount);
- for (i = 0; i < FLT_ARG_CNT; i++, off += 8)
- M_DLD(abi_registers_float_argument[i], REG_SP, off);
+ for (i = 0; i < INT_ARG_CNT; ++i, off += 8) {
+ M_ILD(abi_registers_integer_argument[i], REG_SP, off);
+ }
- /* restore temporary registers for leaf methods */
+ for (i = 0; i < FLT_ARG_CNT; ++i, off += 8) {
+ M_DLD(abi_registers_float_argument[i], REG_SP, off);
+ }
- if (jd->isleafmethod) {
- for (i = 0; i < INT_TMP_CNT; i++, off += 8)
+ for (i = 0; i < INT_TMP_CNT; ++i, off += 8) {
M_ILD(abi_registers_integer_temporary[i], REG_SP, off);
+ }
- for (i = 0; i < FLT_TMP_CNT; i++, off += 8)
+ for (i = 0; i < FLT_TMP_CNT; ++i, off += 8) {
M_DLD(abi_registers_float_temporary[i], REG_SP, off);
+ }
+ } else {
+ off = 96;
+
+ for (i = 0; i < md->paramcount; i++) {
+ if (! md->params[i].inmemory) {
+ s = md->params[i].regoff;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(s, REG_SP, off);
+ break;
+ case TYPE_LNG:
+ M_LLD(s, REG_SP, off);
+ break;
+ case TYPE_FLT:
+ M_FLD(s, REG_SP, off);
+ break;
+ case TYPE_DBL:
+ M_DLD(s, REG_SP, off);
+ break;
+ }
+ }
+ off += 8;
+ }
}
- /* remove stackframe */
+ /* remove stack frame */
M_AADD_IMM(stackframesize, REG_SP);
/* mark trace code */
M_NOP;
-#endif
+
}
#endif /* !defined(NDEBUG) */
#if !defined(NDEBUG)
void emit_verbosecall_exit(jitdata *jd)
{
-#if 1
methodinfo *m;
codegendata *cd;
s4 disp;
s4 stackframesize;
+ s4 off;
+ s4 t;
m = jd->m;
cd = jd->cd;
+ t = m->parseddesc->returntype.type;
/* mark trace code */
/* allocate stackframe */
- stackframesize = 96 + (3 * 8);
+ stackframesize = 96 + (1 * 8);
M_ASUB_IMM(stackframesize, REG_SP);
- /* store return values in array and sign extend them */
-
- M_IST(REG_RESULT, REG_SP, 96 + (0 * 8) + 4);
- M_SRA_IMM(31, REG_RESULT);
- M_IST(REG_RESULT, REG_SP, 96 + (0 * 8));
+ off = 96;
- M_IST(REG_RESULT2, REG_SP, 96 + (1 * 8) + 4);
- M_SRA_IMM(31, REG_RESULT2);
- M_IST(REG_RESULT2, REG_SP, 96 + (1 * 8));
+ /* store return values in array */
- M_DST(REG_FRESULT, REG_SP, 96 + (2 * 8));
+ if (IS_INT_LNG_TYPE(t)) {
+ if (IS_2_WORD_TYPE(t)) {
+ M_LST(REG_RESULT_PACKED, REG_SP, off);
+ } else {
+ M_IST(REG_RESULT, REG_SP, off);
+ }
+ } else {
+ M_DST(REG_FRESULT, REG_SP, off);
+ }
/* call trace_java_call_exit */
disp = dseg_add_address(cd, m);
M_ALD_DSEG(REG_A0, disp);
- M_LDA(REG_A1, REG_SP, 96);
+ M_LDA(REG_A1, REG_SP, off);
disp = dseg_add_functionptr(cd, trace_java_call_exit);
M_ALD_DSEG(REG_ITMP2, disp);
M_CALL(REG_ITMP2);
- /* restore return values */
-
- M_ILD(REG_RESULT, REG_SP, 96 + (0 * 8) + 4);
- M_ILD(REG_RESULT2, REG_SP, 96 + (1 * 8) + 4);
- M_DLD(REG_FRESULT, REG_SP, 96 + (2 * 8));
-
- /* remove stackframe */
-
- M_AADD_IMM(stackframesize, REG_SP);
-
- /* mark trace code */
-
- M_NOP;
-
-#else
+ /* restore return value */
- methodinfo *m;
- codegendata *cd;
- registerdata *rd;
- s4 disp;
-
- /* get required compiler data */
-
- m = jd->m;
- cd = jd->cd;
- rd = jd->rd;
-
- /* mark trace code */
-
- M_NOP;
-
- M_ASUB_IMM(2 * 8, REG_SP);
-
- N_STM(REG_RESULT, REG_RESULT2, 0 * 8, REG_SP);
- M_DST(REG_FRESULT, REG_SP, 1 * 8);
-
- if (IS_2_WORD_TYPE(m->parseddesc->returntype.type)) {
- /* (REG_A0, REG_A1) == (REG_RESULT, REG_RESULT2), se no need to move */
+ if (IS_INT_LNG_TYPE(t)) {
+ if (IS_2_WORD_TYPE(t)) {
+ M_LLD(REG_RESULT_PACKED, REG_SP, off);
+ } else {
+ M_ILD(REG_RESULT, REG_SP, off);
+ }
} else {
- M_INTMOVE(REG_RESULT, REG_A1);
- ICONST(REG_A0, 0);
+ M_DLD(REG_FRESULT, REG_SP, off);
}
- disp = dseg_add_address(cd, m);
- M_ALD_DSEG(REG_A2, disp);
-
- /* REG_FRESULT is REG_FA0, so no need to move */
- M_FLTMOVE(REG_FRESULT, REG_FA1);
-
- disp = dseg_add_address(cd, builtin_verbosecall_exit);
- M_ALD_DSEG(REG_ITMP1, disp);
- M_ASUB_IMM(96, REG_SP);
- M_CALL(REG_ITMP1);
- M_AADD_IMM(96, REG_SP);
-
- N_LM(REG_RESULT, REG_RESULT2, 0 * 8, REG_SP);
- M_DLD(REG_FRESULT, REG_SP, 1 * 8);
+ /* remove stackframe */
- M_AADD_IMM(2 * 8, REG_SP);
+ M_AADD_IMM(stackframesize, REG_SP);
/* mark trace code */
M_NOP;
-#endif
}
#endif /* !defined(NDEBUG) */
/* Patch back the displacement */
- if (ref != NULL) {
- *(u4 *)ref |= (u4)((cd->mcodeptr - ref) / 2);
- }
+ N_BRC_BACK_PATCH(ref);
}
}
-void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg) {
+void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg)
+{
if (INSTRUCTION_MUST_CHECK(iptr)) {
M_TEST(reg);
M_BNE(SZ_BRC + SZ_ILL);
- M_ILL(EXCEPTION_HARDWARE_ARITHMETIC);
+ M_ILL(TRAP_ArithmeticException);
}
}
*/
N_CL(s2, OFFSET(java_array_t, size), RN, s1);
M_BLT(SZ_BRC + SZ_ILL);
- M_ILL2(s2, EXCEPTION_HARDWARE_ARRAYINDEXOUTOFBOUNDS);
+ M_ILL2(s2, TRAP_ArrayIndexOutOfBoundsException);
}
}
if (INSTRUCTION_MUST_CHECK(iptr)) {
M_TEST(REG_RESULT);
M_BNE(SZ_BRC + SZ_ILL);
- M_ILL(EXCEPTION_HARDWARE_ARRAYSTORE);
+ M_ILL(TRAP_ArrayStoreException);
}
}
default:
vm_abort("emit_classcast_check: unknown condition %d", condition);
}
- M_ILL2(s1, EXCEPTION_HARDWARE_CLASSCAST);
+ M_ILL2(s1, TRAP_ClassCastException);
}
}
-void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg) {
+void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg)
+{
if (INSTRUCTION_MUST_CHECK(iptr)) {
M_TEST(reg);
M_BNE(SZ_BRC + SZ_ILL);
- M_ILL(EXCEPTION_HARDWARE_NULLPOINTER);
+ M_ILL(TRAP_NullPointerException);
}
}
-void emit_exception_check(codegendata *cd, instruction *iptr) {
+void emit_exception_check(codegendata *cd, instruction *iptr)
+{
if (INSTRUCTION_MUST_CHECK(iptr)) {
M_TEST(REG_RESULT);
M_BNE(SZ_BRC + SZ_ILL);
- M_ILL(EXCEPTION_HARDWARE_EXCEPTION);
+ M_ILL(TRAP_CHECK_EXCEPTION);
}
}
-void emit_restore_pv(codegendata *cd) {
+void emit_recompute_pv(codegendata *cd) {
s4 offset, offset_imm;
/*
}
}
+/* emit_trap_compiler **********************************************************
+
+ Emit a trap instruction which calls the JIT compiler.
+
+*******************************************************************************/
+
+void emit_trap_compiler(codegendata *cd)
+{
+ M_ILL2(REG_METHODPTR, TRAP_COMPILER);
+}
+
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where
projects / cacao.git / blobdiff