-/* vm/jit/i386/emit.c - i386 code emitter functions
+/* src/vm/jit/i386/emit.c - i386 code emitter functions
- Copyright (C) 1996-2005, 2006 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
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- $Id: emit.c 5102 2006-07-10 14:42:16Z twisti $
-
*/
#include "vm/types.h"
-#include "vm/statistics.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/i386/md-abi.h"
-#include "vm/jit/i386/md-emit.h"
#include "vm/jit/i386/codegen.h"
+#include "vm/jit/i386/emit.h"
+#include "vm/jit/i386/md-abi.h"
+
+#include "mm/memory.h"
+#include "threads/lock-common.h"
-/* emit_load_s1 ****************************************************************
+#include "vm/exceptions.h"
+
+#include "vm/jit/abi.h"
+#include "vm/jit/asmpart.h"
+#include "vm/jit/dseg.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/trace.hpp"
+#include "vm/jit/trap.h"
- Emits a possible load of the first source operand.
+#include "vmcore/options.h"
+#include "vmcore/statistics.h"
+
+
+/* emit_load ******************************************************************
+
+ Emits a possible load of an operand.
*******************************************************************************/
-s4 emit_load_s1(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
+inline s4 emit_load(jitdata *jd, instruction *iptr, varinfo *src, s4 tempreg)
{
codegendata *cd;
s4 disp;
cd = jd->cd;
- if (src->flags & INMEMORY) {
+ if (IS_INMEMORY(src->flags)) {
COUNT_SPILLS;
- disp = src->regoff * 4;
-
- if (IS_FLT_DBL_TYPE(src->type)) {
- if (IS_2_WORD_TYPE(src->type))
- M_DLD(tempreg, REG_SP, disp);
- else
- M_FLD(tempreg, REG_SP, disp);
-
- } else {
- if (IS_2_WORD_TYPE(src->type))
- M_LLD(tempreg, REG_SP, disp);
- else
- M_ILD(tempreg, REG_SP, disp);
+ disp = src->vv.regoff;
+
+ switch (src->type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(tempreg, REG_SP, disp);
+ break;
+ case TYPE_LNG:
+ M_LLD(tempreg, REG_SP, disp);
+ break;
+ case TYPE_FLT:
+ M_FLD(tempreg, REG_SP, disp);
+ break;
+ case TYPE_DBL:
+ M_DLD(tempreg, REG_SP, disp);
+ break;
+ default:
+ vm_abort("emit_load: unknown type %d", src->type);
}
reg = tempreg;
- } else
- reg = src->regoff;
+ }
+ else
+ reg = src->vv.regoff;
return reg;
}
-/* emit_load_s2 ****************************************************************
+/* emit_load_low ************************************************************
- Emits a possible load of the second source operand.
+ Emits a possible load of the low 32-bits of an operand.
*******************************************************************************/
-s4 emit_load_s2(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
+inline s4 emit_load_low(jitdata *jd, instruction *iptr, varinfo *src,s4 tempreg)
{
codegendata *cd;
s4 disp;
s4 reg;
+ assert(src->type == TYPE_LNG);
+
/* get required compiler data */
cd = jd->cd;
- if (src->flags & INMEMORY) {
+
+ if (IS_INMEMORY(src->flags)) {
COUNT_SPILLS;
- disp = src->regoff * 4;
+ disp = src->vv.regoff;
- if (IS_FLT_DBL_TYPE(src->type)) {
- if (IS_2_WORD_TYPE(src->type))
- M_DLD(tempreg, REG_SP, disp);
- else
- M_FLD(tempreg, REG_SP, disp);
-
- } else {
- if (IS_2_WORD_TYPE(src->type))
- M_LLD(tempreg, REG_SP, disp);
- else
- M_ILD(tempreg, REG_SP, disp);
- }
+ M_ILD(tempreg, REG_SP, disp);
reg = tempreg;
- } else
- reg = src->regoff;
+ }
+ else
+ reg = GET_LOW_REG(src->vv.regoff);
return reg;
}
-/* emit_load_s3 ****************************************************************
+/* emit_load_high ***********************************************************
- Emits a possible load of the third source operand.
+ Emits a possible load of the high 32-bits of an operand.
*******************************************************************************/
-s4 emit_load_s3(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
+inline s4 emit_load_high(jitdata *jd, instruction *iptr,varinfo *src,s4 tempreg)
{
codegendata *cd;
s4 disp;
/* get required compiler data */
+ assert(src->type == TYPE_LNG);
+
cd = jd->cd;
- if (src->flags & INMEMORY) {
+ if (IS_INMEMORY(src->flags)) {
COUNT_SPILLS;
- disp = src->regoff * 4;
+ disp = src->vv.regoff;
- if (IS_FLT_DBL_TYPE(src->type)) {
- if (IS_2_WORD_TYPE(src->type))
- M_DLD(tempreg, REG_SP, disp);
- else
- M_FLD(tempreg, REG_SP, disp);
-
- } else {
- if (IS_2_WORD_TYPE(src->type))
- M_LLD(tempreg, REG_SP, disp);
- else
- M_ILD(tempreg, REG_SP, disp);
- }
+ M_ILD(tempreg, REG_SP, disp + 4);
reg = tempreg;
- } else
- reg = src->regoff;
+ }
+ else
+ reg = GET_HIGH_REG(src->vv.regoff);
return reg;
}
/* emit_store ******************************************************************
- XXX
+ Emits a possible store of the destination operand.
*******************************************************************************/
-void emit_store(jitdata *jd, instruction *iptr, stackptr dst, s4 d)
+inline void emit_store(jitdata *jd, instruction *iptr, varinfo *dst, s4 d)
{
codegendata *cd;
+ s4 disp;
/* get required compiler data */
cd = jd->cd;
- if (dst->flags & INMEMORY) {
+ if (IS_INMEMORY(dst->flags)) {
COUNT_SPILLS;
- if (IS_FLT_DBL_TYPE(dst->type)) {
- if (IS_2_WORD_TYPE(dst->type))
- M_DST(d, REG_SP, dst->regoff * 4);
- else
- M_FST(d, REG_SP, dst->regoff * 4);
-
- } else {
- if (IS_2_WORD_TYPE(dst->type))
- M_LST(d, REG_SP, dst->regoff * 4);
- else
- M_IST(d, REG_SP, dst->regoff * 4);
+ disp = dst->vv.regoff;
+
+ switch (dst->type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(d, REG_SP, disp);
+ break;
+ case TYPE_LNG:
+ M_LST(d, REG_SP, disp);
+ break;
+ case TYPE_FLT:
+ M_FST(d, REG_SP, disp);
+ break;
+ case TYPE_DBL:
+ M_DST(d, REG_SP, disp);
+ break;
+ default:
+ vm_abort("emit_store: unknown type %d", dst->type);
}
}
}
-/* emit_copy *******************************************************************
+/* emit_store_low **************************************************************
- XXX
+ Emits a possible store of the low 32-bits of the destination
+ operand.
*******************************************************************************/
-void emit_copy(jitdata *jd, instruction *iptr, stackptr src, stackptr dst)
+inline void emit_store_low(jitdata *jd, instruction *iptr, varinfo *dst, s4 d)
{
codegendata *cd;
- registerdata *rd;
- s4 s1, d;
+
+ assert(dst->type == TYPE_LNG);
/* get required compiler data */
cd = jd->cd;
- rd = jd->rd;
- if ((src->regoff != dst->regoff) ||
+ if (IS_INMEMORY(dst->flags)) {
+ COUNT_SPILLS;
+ M_IST(GET_LOW_REG(d), REG_SP, dst->vv.regoff);
+ }
+}
+
+
+/* emit_store_high *************************************************************
+
+ Emits a possible store of the high 32-bits of the destination
+ operand.
+
+*******************************************************************************/
+
+inline void emit_store_high(jitdata *jd, instruction *iptr, varinfo *dst, s4 d)
+{
+ codegendata *cd;
+
+ assert(dst->type == TYPE_LNG);
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ if (IS_INMEMORY(dst->flags)) {
+ COUNT_SPILLS;
+ M_IST(GET_HIGH_REG(d), REG_SP, dst->vv.regoff + 4);
+ }
+}
+
+
+/* emit_copy *******************************************************************
+
+ Generates a register/memory to register/memory copy.
+
+*******************************************************************************/
+
+void emit_copy(jitdata *jd, instruction *iptr)
+{
+ codegendata *cd;
+ varinfo *src;
+ varinfo *dst;
+ s4 s1, d;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ /* get source and destination variables */
+
+ src = VAROP(iptr->s1);
+ dst = VAROP(iptr->dst);
+
+ if ((src->vv.regoff != dst->vv.regoff) ||
((src->flags ^ dst->flags) & INMEMORY)) {
- if (IS_LNG_TYPE(src->type))
- d = codegen_reg_of_var(rd, iptr->opc, dst, PACK_REGS(REG_ITMP1, REG_ITMP2));
- else
- d = codegen_reg_of_var(rd, iptr->opc, dst, REG_ITMP1);
- s1 = emit_load_s1(jd, iptr, src, d);
+ if ((src->type == TYPE_RET) || (dst->type == TYPE_RET)) {
+ /* emit nothing, as the value won't be used anyway */
+ return;
+ }
+
+ /* If one of the variables resides in memory, we can eliminate
+ the register move from/to the temporary register with the
+ order of getting the destination register and the load. */
+
+ if (IS_INMEMORY(src->flags)) {
+ if (IS_LNG_TYPE(src->type))
+ d = codegen_reg_of_var(iptr->opc, dst, REG_ITMP12_PACKED);
+ else
+ d = codegen_reg_of_var(iptr->opc, dst, REG_ITMP1);
+
+ s1 = emit_load(jd, iptr, src, d);
+ }
+ else {
+ if (IS_LNG_TYPE(src->type))
+ s1 = emit_load(jd, iptr, src, REG_ITMP12_PACKED);
+ else
+ s1 = emit_load(jd, iptr, src, REG_ITMP1);
+
+ d = codegen_reg_of_var(iptr->opc, dst, s1);
+ }
if (s1 != d) {
- if (IS_FLT_DBL_TYPE(src->type)) {
+ switch (src->type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_MOV(s1, d);
+ break;
+ case TYPE_LNG:
+ M_LNGMOVE(s1, d);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
/* M_FMOV(s1, d); */
- } else {
- if (IS_2_WORD_TYPE(src->type))
- M_LNGMOVE(s1, d);
- else
- M_MOV(s1, d);
+ break;
+ default:
+ vm_abort("emit_copy: unknown type %d", src->type);
}
}
}
-void i386_emit_ialu(codegendata *cd, s4 alu_op, stackptr src, instruction *iptr)
+/* emit_branch *****************************************************************
+
+ Emits the code for conditional and unconditional branchs.
+
+*******************************************************************************/
+
+void emit_branch(codegendata *cd, s4 disp, s4 condition, s4 reg, u4 options)
{
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->regoff == iptr->dst->regoff) {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
+ s4 branchdisp;
- } else if (src->prev->regoff == iptr->dst->regoff) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
+ /* ATTENTION: a displacement overflow cannot happen */
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+ /* check which branch to generate */
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- if (src->regoff == iptr->dst->regoff) {
- i386_alu_reg_membase(cd, alu_op, src->prev->regoff, REG_SP, iptr->dst->regoff * 4);
+ if (condition == BRANCH_UNCONDITIONAL) {
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_alu_reg_reg(cd, alu_op, src->prev->regoff, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+ /* calculate the different displacements */
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->prev->regoff == iptr->dst->regoff) {
- i386_alu_reg_membase(cd, alu_op, src->regoff, REG_SP, iptr->dst->regoff * 4);
-
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_alu_reg_reg(cd, alu_op, src->regoff, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+ branchdisp = disp - BRANCH_UNCONDITIONAL_SIZE;
- } else {
- i386_mov_reg_membase(cd, src->prev->regoff, REG_SP, iptr->dst->regoff * 4);
- i386_alu_reg_membase(cd, alu_op, src->regoff, REG_SP, iptr->dst->regoff * 4);
+ M_JMP_IMM(branchdisp);
+ }
+ else {
+ /* calculate the different displacements */
+
+ branchdisp = disp - BRANCH_CONDITIONAL_SIZE;
+
+ switch (condition) {
+ case BRANCH_EQ:
+ M_BEQ(branchdisp);
+ break;
+ case BRANCH_NE:
+ M_BNE(branchdisp);
+ break;
+ case BRANCH_LT:
+ M_BLT(branchdisp);
+ break;
+ case BRANCH_GE:
+ M_BGE(branchdisp);
+ break;
+ case BRANCH_GT:
+ M_BGT(branchdisp);
+ break;
+ case BRANCH_LE:
+ M_BLE(branchdisp);
+ break;
+ case BRANCH_ULT:
+ M_BB(branchdisp);
+ break;
+ case BRANCH_ULE:
+ M_BBE(branchdisp);
+ break;
+ case BRANCH_UGE:
+ M_BAE(branchdisp);
+ break;
+ case BRANCH_UGT:
+ M_BA(branchdisp);
+ break;
+ default:
+ vm_abort("emit_branch: unknown condition %d", condition);
}
+ }
+}
- } else {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, iptr->dst->regoff);
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->regoff * 4, iptr->dst->regoff);
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- if (src->prev->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->prev->regoff, iptr->dst->regoff);
+/* emit_arithmetic_check *******************************************************
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->regoff * 4, iptr->dst->regoff);
+ Emit an ArithmeticException check.
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->regoff, iptr->dst->regoff);
+*******************************************************************************/
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->prev->regoff * 4, iptr->dst->regoff);
+void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(reg);
+ M_BNE(6);
+ M_ALD_MEM(reg, TRAP_ArithmeticException);
+ }
+}
- } else {
- if (src->regoff == iptr->dst->regoff) {
- i386_alu_reg_reg(cd, alu_op, src->prev->regoff, iptr->dst->regoff);
- } else {
- if (src->prev->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->prev->regoff, iptr->dst->regoff);
+/* emit_arrayindexoutofbounds_check ********************************************
- i386_alu_reg_reg(cd, alu_op, src->regoff, iptr->dst->regoff);
- }
- }
+ Emit a ArrayIndexOutOfBoundsException check.
+
+*******************************************************************************/
+
+void emit_arrayindexoutofbounds_check(codegendata *cd, instruction *iptr, s4 s1, s4 s2)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_ILD(REG_ITMP3, s1, OFFSET(java_array_t, size));
+ M_CMP(REG_ITMP3, s2);
+ M_BB(6);
+ M_ALD_MEM(s2, TRAP_ArrayIndexOutOfBoundsException);
}
}
-void i386_emit_ialuconst(codegendata *cd, s4 alu_op, stackptr src, instruction *iptr)
+/* emit_arraystore_check *******************************************************
+
+ Emit an ArrayStoreException check.
+
+*******************************************************************************/
+
+void emit_arraystore_check(codegendata *cd, instruction *iptr)
{
- if (iptr->dst->flags & INMEMORY) {
- if (src->flags & INMEMORY) {
- if (src->regoff == iptr->dst->regoff) {
- i386_alu_imm_membase(cd, alu_op, iptr->val.i, REG_SP, iptr->dst->regoff * 4);
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(REG_RESULT);
+ M_BNE(6);
+ M_ALD_MEM(REG_RESULT, TRAP_ArrayStoreException);
+ }
+}
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_alu_imm_reg(cd, alu_op, iptr->val.i, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
- } else {
- i386_mov_reg_membase(cd, src->regoff, REG_SP, iptr->dst->regoff * 4);
- i386_alu_imm_membase(cd, alu_op, iptr->val.i, REG_SP, iptr->dst->regoff * 4);
- }
+/* emit_classcast_check ********************************************************
- } else {
- if (src->flags & INMEMORY) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, iptr->dst->regoff);
- i386_alu_imm_reg(cd, alu_op, iptr->val.i, iptr->dst->regoff);
+ Emit a ClassCastException check.
- } else {
- if (src->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->regoff, iptr->dst->regoff);
+*******************************************************************************/
- /* `inc reg' is slower on p4's (regarding to ia32 optimization */
- /* reference manual and benchmarks) and as fast on athlon's. */
- i386_alu_imm_reg(cd, alu_op, iptr->val.i, iptr->dst->regoff);
+void emit_classcast_check(codegendata *cd, instruction *iptr, s4 condition, s4 reg, s4 s1)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ switch (condition) {
+ case BRANCH_LE:
+ M_BGT(6);
+ break;
+ case BRANCH_EQ:
+ M_BNE(6);
+ break;
+ case BRANCH_ULE:
+ M_BBE(6);
+ break;
+ default:
+ vm_abort("emit_classcast_check: unknown condition %d", condition);
}
+ M_ALD_MEM(s1, TRAP_ClassCastException);
}
}
-void i386_emit_lalu(codegendata *cd, s4 alu_op, stackptr src, instruction *iptr)
+/* emit_nullpointer_check ******************************************************
+
+ Emit a NullPointerException check.
+
+*******************************************************************************/
+
+void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg)
{
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->regoff == iptr->dst->regoff) {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4 + 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4 + 4);
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(reg);
+ M_BNE(6);
+ M_ALD_MEM(reg, TRAP_NullPointerException);
+ }
+}
- } else if (src->prev->regoff == iptr->dst->regoff) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4 + 4, REG_ITMP1);
- i386_alu_reg_membase(cd, alu_op, REG_ITMP1, REG_SP, iptr->dst->regoff * 4 + 4);
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4 + 4, REG_ITMP1);
- i386_alu_membase_reg(cd, alu_op, REG_SP, src->regoff * 4 + 4, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4 + 4);
- }
- }
+/* emit_exception_check ********************************************************
+
+ Emit an Exception check.
+
+*******************************************************************************/
+
+void emit_exception_check(codegendata *cd, instruction *iptr)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(REG_RESULT);
+ M_BNE(6);
+ M_ALD_MEM(REG_RESULT, TRAP_CHECK_EXCEPTION);
}
}
-void i386_emit_laluconst(codegendata *cd, s4 alu_op, stackptr src, instruction *iptr)
+/* emit_trap_compiler **********************************************************
+
+ Emit a trap instruction which calls the JIT compiler.
+
+*******************************************************************************/
+
+void emit_trap_compiler(codegendata *cd)
{
- if (iptr->dst->flags & INMEMORY) {
- if (src->flags & INMEMORY) {
- if (src->regoff == iptr->dst->regoff) {
- i386_alu_imm_membase(cd, alu_op, iptr->val.l, REG_SP, iptr->dst->regoff * 4);
- i386_alu_imm_membase(cd, alu_op, iptr->val.l >> 32, REG_SP, iptr->dst->regoff * 4 + 4);
+ M_ALD_MEM(REG_METHODPTR, TRAP_COMPILER);
+}
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_alu_imm_reg(cd, alu_op, iptr->val.l, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4 + 4, REG_ITMP1);
- i386_alu_imm_reg(cd, alu_op, iptr->val.l >> 32, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4 + 4);
- }
- }
- }
+/* emit_trap_countdown *********************************************************
+
+ Emit a countdown trap.
+
+ counter....absolute address of the counter variable
+
+*******************************************************************************/
+
+void emit_trap_countdown(codegendata *cd, s4 *counter)
+{
+ M_ISUB_IMM_MEMABS(1, (s4) counter);
+ M_BNS(6);
+ M_ALD_MEM(REG_METHODPTR, TRAP_COUNTDOWN);
}
+/* emit_trap *******************************************************************
-void i386_emit_ishift(codegendata *cd, s4 shift_op, stackptr src, instruction *iptr)
+ Emit a trap instruction and return the original machine code.
+
+*******************************************************************************/
+
+uint32_t emit_trap(codegendata *cd)
{
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->prev->regoff == iptr->dst->regoff) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, ECX);
- i386_shift_membase(cd, shift_op, REG_SP, iptr->dst->regoff * 4);
+ uint16_t mcode;
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, ECX);
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_shift_reg(cd, shift_op, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+ /* Get machine code which is patched back in later. The
+ trap is 2 bytes long. */
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, ECX);
- i386_mov_reg_membase(cd, src->prev->regoff, REG_SP, iptr->dst->regoff * 4);
- i386_shift_membase(cd, shift_op, REG_SP, iptr->dst->regoff * 4);
+ mcode = *((uint16_t *) cd->mcodeptr);
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->prev->regoff == iptr->dst->regoff) {
- if (src->regoff != ECX)
- i386_mov_reg_reg(cd, src->regoff, ECX);
+#if 0
+ /* XXX this breaks GDB, so we disable it for now */
+ *(cd->mcodeptr++) = 0xcc;
+ M_INT3;
+#else
+ M_UD2;
+#endif
- i386_shift_membase(cd, shift_op, REG_SP, iptr->dst->regoff * 4);
+ return (uint32_t) mcode;
+}
- } else {
- if (src->regoff != ECX)
- i386_mov_reg_reg(cd, src->regoff, ECX);
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, REG_ITMP1);
- i386_shift_reg(cd, shift_op, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+/* emit_verbosecall_enter ******************************************************
- } else {
- if (src->regoff != ECX)
- i386_mov_reg_reg(cd, src->regoff, ECX);
+ Generates the code for the call trace.
- i386_mov_reg_membase(cd, src->prev->regoff, REG_SP, iptr->dst->regoff * 4);
- i386_shift_membase(cd, shift_op, REG_SP, iptr->dst->regoff * 4);
- }
+*******************************************************************************/
- } else {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, ECX);
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, iptr->dst->regoff);
- i386_shift_reg(cd, shift_op, iptr->dst->regoff);
+#if !defined(NDEBUG)
+void emit_verbosecall_enter(jitdata *jd)
+{
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ registerdata *rd;
+ methoddesc *md;
+ int32_t stackframesize;
+ int i;
+ int align_off; /* offset for alignment compensation */
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, ECX);
+ if (!JITDATA_HAS_FLAG_VERBOSECALL(jd))
+ return;
- if (src->prev->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->prev->regoff, iptr->dst->regoff);
+ /* get required compiler data */
- i386_shift_reg(cd, shift_op, iptr->dst->regoff);
+ m = jd->m;
+ code = jd->code;
+ cd = jd->cd;
+ rd = jd->rd;
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (src->regoff != ECX)
- i386_mov_reg_reg(cd, src->regoff, ECX);
+ md = m->parseddesc;
- i386_mov_membase_reg(cd, REG_SP, src->prev->regoff * 4, iptr->dst->regoff);
- i386_shift_reg(cd, shift_op, iptr->dst->regoff);
+ /* mark trace code */
- } else {
- if (src->regoff != ECX)
- i386_mov_reg_reg(cd, src->regoff, ECX);
+ M_NOP;
- if (src->prev->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->prev->regoff, iptr->dst->regoff);
+ /* keep stack 16-byte aligned */
- i386_shift_reg(cd, shift_op, iptr->dst->regoff);
- }
+ stackframesize = 2 + TMP_CNT;
+ ALIGN_2(stackframesize);
+
+ M_ASUB_IMM(stackframesize * 8, REG_SP);
+
+ /* save temporary registers for leaf methods */
+
+ if (code_is_leafmethod(code)) {
+ for (i = 0; i < INT_TMP_CNT; i++)
+ M_IST(rd->tmpintregs[i], REG_SP, (2 + i) * 8);
}
+
+ /* no argument registers to save */
+
+ align_off = cd->stackframesize ? 4 : 0;
+ M_AST_IMM(m, REG_SP, 0 * 4);
+ M_AST_IMM(0, REG_SP, 1 * 4);
+ M_AST(REG_SP, REG_SP, 2 * 4);
+ M_IADD_IMM_MEMBASE(stackframesize * 8 + cd->stackframesize * 8 + 4 + align_off, REG_SP, 2 * 4);
+ M_MOV_IMM(trace_java_call_enter, REG_ITMP1);
+ M_CALL(REG_ITMP1);
+
+ /* no argument registers to restore */
+
+ /* restore temporary registers for leaf methods */
+
+ if (code_is_leafmethod(code)) {
+ for (i = 0; i < INT_TMP_CNT; i++)
+ M_ILD(rd->tmpintregs[i], REG_SP, (2 + i) * 8);
+ }
+
+ M_AADD_IMM(stackframesize * 8, REG_SP);
+
+ /* mark trace code */
+
+ M_NOP;
}
+#endif /* !defined(NDEBUG) */
+
+
+/* emit_verbosecall_exit *******************************************************
+
+ Generates the code for the call trace.
+*******************************************************************************/
-void i386_emit_ishiftconst(codegendata *cd, s4 shift_op, stackptr src, instruction *iptr)
+#if !defined(NDEBUG)
+void emit_verbosecall_exit(jitdata *jd)
{
- if ((src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- if (src->regoff == iptr->dst->regoff) {
- i386_shift_imm_membase(cd, shift_op, iptr->val.i, REG_SP, iptr->dst->regoff * 4);
+ methodinfo *m;
+ codegendata *cd;
+ registerdata *rd;
+ methoddesc *md;
- } else {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, REG_ITMP1);
- i386_shift_imm_reg(cd, shift_op, iptr->val.i, REG_ITMP1);
- i386_mov_reg_membase(cd, REG_ITMP1, REG_SP, iptr->dst->regoff * 4);
- }
+ if (!JITDATA_HAS_FLAG_VERBOSECALL(jd))
+ return;
- } else if ((src->flags & INMEMORY) && !(iptr->dst->flags & INMEMORY)) {
- i386_mov_membase_reg(cd, REG_SP, src->regoff * 4, iptr->dst->regoff);
- i386_shift_imm_reg(cd, shift_op, iptr->val.i, iptr->dst->regoff);
-
- } else if (!(src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- i386_mov_reg_membase(cd, src->regoff, REG_SP, iptr->dst->regoff * 4);
- i386_shift_imm_membase(cd, shift_op, iptr->val.i, REG_SP, iptr->dst->regoff * 4);
+ /* get required compiler data */
- } else {
- if (src->regoff != iptr->dst->regoff)
- i386_mov_reg_reg(cd, src->regoff, iptr->dst->regoff);
+ m = jd->m;
+ cd = jd->cd;
+ rd = jd->rd;
+
+ md = m->parseddesc;
- i386_shift_imm_reg(cd, shift_op, iptr->val.i, iptr->dst->regoff);
+ /* mark trace code */
+
+ M_NOP;
+
+ /* keep stack 16-byte aligned */
+
+ M_ASUB_IMM(4 + 4 + 8, REG_SP);
+
+ /* save return value */
+
+ switch (md->returntype.type) {
+ case TYPE_ADR:
+ case TYPE_INT:
+ M_IST(REG_RESULT, REG_SP, 2 * 4);
+ break;
+ case TYPE_LNG:
+ M_LST(REG_RESULT_PACKED, REG_SP, 2 * 4);
+ break;
+ case TYPE_FLT:
+ M_FSTNP(REG_NULL, REG_SP, 2 * 4);
+ break;
+ case TYPE_DBL:
+ M_DSTNP(REG_NULL, REG_SP, 2 * 4);
+ break;
}
-}
+ M_AST_IMM(m, REG_SP, 0 * 4);
+ M_AST(REG_SP, REG_SP, 1 * 4);
+ M_IADD_IMM_MEMBASE(2 * 4, REG_SP, 1 * 4);
+ M_MOV_IMM(trace_java_call_exit, REG_ITMP1);
+ M_CALL(REG_ITMP1);
+
+ /* restore return value */
+
+ switch (md->returntype.type) {
+ case TYPE_ADR:
+ case TYPE_INT:
+ M_ILD(REG_RESULT, REG_SP, 2 * 4);
+ break;
+ case TYPE_LNG:
+ M_LLD(REG_RESULT_PACKED, REG_SP, 2 * 4);
+ break;
+ }
-void i386_emit_ifcc_iconst(codegendata *cd, s4 if_op, stackptr src, instruction *iptr)
-{
- if (iptr->dst->flags & INMEMORY) {
- s4 offset = 0;
+ M_AADD_IMM(4 + 4 + 8, REG_SP);
- if (src->flags & INMEMORY) {
- i386_alu_imm_membase(cd, ALU_CMP, 0, REG_SP, src->regoff * 4);
+ /* mark trace code */
+
+ M_NOP;
+}
+#endif /* !defined(NDEBUG) */
- } else {
- i386_test_reg_reg(cd, src->regoff, src->regoff);
- }
- offset += 7;
- CALCOFFSETBYTES(offset, REG_SP, iptr->dst->regoff * 4);
-
- i386_jcc(cd, if_op, offset + (iptr[1].opc == ICMD_ELSE_ICONST) ? 5 + offset : 0);
- i386_mov_imm_membase(cd, iptr->val.i, REG_SP, iptr->dst->regoff * 4);
+/* code generation functions **************************************************/
- if (iptr[1].opc == ICMD_ELSE_ICONST) {
- i386_jmp_imm(cd, offset);
- i386_mov_imm_membase(cd, iptr[1].val.i, REG_SP, iptr->dst->regoff * 4);
+static void emit_membase(codegendata *cd, s4 basereg, s4 disp, s4 dreg)
+{
+ if (basereg == ESP) {
+ if (disp == 0) {
+ emit_address_byte(0, dreg, ESP);
+ emit_address_byte(0, ESP, ESP);
+ }
+ else if (IS_IMM8(disp)) {
+ emit_address_byte(1, dreg, ESP);
+ emit_address_byte(0, ESP, ESP);
+ emit_imm8(disp);
}
+ else {
+ emit_address_byte(2, dreg, ESP);
+ emit_address_byte(0, ESP, ESP);
+ emit_imm32(disp);
+ }
+ }
+ else if ((disp == 0) && (basereg != EBP)) {
+ emit_address_byte(0, dreg, basereg);
+ }
+ else if (IS_IMM8(disp)) {
+ emit_address_byte(1, dreg, basereg);
+ emit_imm8(disp);
+ }
+ else {
+ emit_address_byte(2, dreg, basereg);
+ emit_imm32(disp);
+ }
+}
- } else {
- if (src->flags & INMEMORY) {
- i386_alu_imm_membase(cd, ALU_CMP, 0, REG_SP, src->regoff * 4);
- } else {
- i386_test_reg_reg(cd, src->regoff, src->regoff);
- }
+static void emit_membase32(codegendata *cd, s4 basereg, s4 disp, s4 dreg)
+{
+ if (basereg == ESP) {
+ emit_address_byte(2, dreg, ESP);
+ emit_address_byte(0, ESP, ESP);
+ emit_imm32(disp);
+ }
+ else {
+ emit_address_byte(2, dreg, basereg);
+ emit_imm32(disp);
+ }
+}
- i386_jcc(cd, if_op, (iptr[1].opc == ICMD_ELSE_ICONST) ? 10 : 5);
- i386_mov_imm_reg(cd, iptr->val.i, iptr->dst->regoff);
- if (iptr[1].opc == ICMD_ELSE_ICONST) {
- i386_jmp_imm(cd, 5);
- i386_mov_imm_reg(cd, iptr[1].val.i, iptr->dst->regoff);
- }
+static void emit_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+{
+ if (basereg == -1) {
+ emit_address_byte(0, reg, 4);
+ emit_address_byte(scale, indexreg, 5);
+ emit_imm32(disp);
+ }
+ else if ((disp == 0) && (basereg != EBP)) {
+ emit_address_byte(0, reg, 4);
+ emit_address_byte(scale, indexreg, basereg);
+ }
+ else if (IS_IMM8(disp)) {
+ emit_address_byte(1, reg, 4);
+ emit_address_byte(scale, indexreg, basereg);
+ emit_imm8(disp);
+ }
+ else {
+ emit_address_byte(2, reg, 4);
+ emit_address_byte(scale, indexreg, basereg);
+ emit_imm32(disp);
}
}
+/* low-level code emitter functions *******************************************/
-/*
- * mov ops
- */
-void i386_mov_reg_reg(codegendata *cd, s4 reg, s4 dreg)
+void emit_mov_reg_reg(codegendata *cd, s4 reg, s4 dreg)
{
COUNT(count_mov_reg_reg);
*(cd->mcodeptr++) = 0x89;
- i386_emit_reg((reg),(dreg));
+ emit_reg((reg),(dreg));
}
-void i386_mov_imm_reg(codegendata *cd, s4 imm, s4 reg)
+void emit_mov_imm_reg(codegendata *cd, s4 imm, s4 reg)
{
*(cd->mcodeptr++) = 0xb8 + ((reg) & 0x07);
- i386_emit_imm32((imm));
+ emit_imm32((imm));
}
-void i386_movb_imm_reg(codegendata *cd, s4 imm, s4 reg)
+void emit_movb_imm_reg(codegendata *cd, s4 imm, s4 reg)
{
*(cd->mcodeptr++) = 0xc6;
- i386_emit_reg(0,(reg));
- i386_emit_imm8((imm));
+ emit_reg(0,(reg));
+ emit_imm8((imm));
}
-void i386_mov_membase_reg(codegendata *cd, s4 basereg, s4 disp, s4 reg)
+void emit_mov_membase_reg(codegendata *cd, s4 basereg, s4 disp, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x8b;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
* this one is for INVOKEVIRTUAL/INVOKEINTERFACE to have a
* constant membase immediate length of 32bit
*/
-void i386_mov_membase32_reg(codegendata *cd, s4 basereg, s4 disp, s4 reg)
+void emit_mov_membase32_reg(codegendata *cd, s4 basereg, s4 disp, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x8b;
- i386_emit_membase32((basereg),(disp),(reg));
+ emit_membase32(cd, (basereg),(disp),(reg));
}
-void i386_mov_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
+void emit_mov_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x89;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
-void i386_mov_reg_membase32(codegendata *cd, s4 reg, s4 basereg, s4 disp)
+void emit_mov_reg_membase32(codegendata *cd, s4 reg, s4 basereg, s4 disp)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x89;
- i386_emit_membase32((basereg),(disp),(reg));
+ emit_membase32(cd, (basereg),(disp),(reg));
}
-void i386_mov_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
+void emit_mov_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x8b;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_mov_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_mov_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x89;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_movw_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_movw_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x66;
*(cd->mcodeptr++) = 0x89;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_movb_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_movb_reg_memindex(codegendata *cd, s4 reg, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x88;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_mov_reg_mem(codegendata *cd, s4 reg, s4 mem)
+void emit_mov_reg_mem(codegendata *cd, s4 reg, s4 mem)
{
COUNT(count_mov_reg_mem);
*(cd->mcodeptr++) = 0x89;
- i386_emit_mem((reg),(mem));
+ emit_mem((reg),(mem));
}
-void i386_mov_mem_reg(codegendata *cd, s4 mem, s4 dreg)
+void emit_mov_mem_reg(codegendata *cd, s4 mem, s4 dreg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x8b;
- i386_emit_mem((dreg),(mem));
+ emit_mem((dreg),(mem));
}
-void i386_mov_imm_mem(codegendata *cd, s4 imm, s4 mem)
+void emit_mov_imm_mem(codegendata *cd, s4 imm, s4 mem)
{
*(cd->mcodeptr++) = 0xc7;
- i386_emit_mem(0, mem);
- i386_emit_imm32(imm);
+ emit_mem(0, mem);
+ emit_imm32(imm);
}
-void i386_mov_imm_membase(codegendata *cd, s4 imm, s4 basereg, s4 disp)
+void emit_mov_imm_membase(codegendata *cd, s4 imm, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xc7;
- i386_emit_membase((basereg),(disp),0);
- i386_emit_imm32((imm));
+ emit_membase(cd, (basereg),(disp),0);
+ emit_imm32((imm));
}
-void i386_mov_imm_membase32(codegendata *cd, s4 imm, s4 basereg, s4 disp)
+void emit_mov_imm_membase32(codegendata *cd, s4 imm, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xc7;
- i386_emit_membase32((basereg),(disp),0);
- i386_emit_imm32((imm));
+ emit_membase32(cd, (basereg),(disp),0);
+ emit_imm32((imm));
}
-void i386_movb_imm_membase(codegendata *cd, s4 imm, s4 basereg, s4 disp)
+void emit_movb_imm_membase(codegendata *cd, s4 imm, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xc6;
- i386_emit_membase((basereg),(disp),0);
- i386_emit_imm8((imm));
+ emit_membase(cd, (basereg),(disp),0);
+ emit_imm8((imm));
}
-void i386_movsbl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
+void emit_movsbl_reg_reg(codegendata *cd, s4 a, s4 b)
+{
+ assert(a < 4); /* Can only operate on al, bl, cl, dl. */
+ *(cd->mcodeptr++) = 0x0f;
+ *(cd->mcodeptr++) = 0xbe;
+ emit_reg((b),(a));
+}
+
+
+void emit_movsbl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xbe;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
+}
+
+
+void emit_movswl_reg_reg(codegendata *cd, s4 a, s4 b)
+{
+ *(cd->mcodeptr++) = 0x0f;
+ *(cd->mcodeptr++) = 0xbf;
+ emit_reg((b),(a));
}
-void i386_movswl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
+void emit_movswl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xbf;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_movzwl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
+void emit_movzbl_reg_reg(codegendata *cd, s4 a, s4 b)
+{
+ assert(a < 4); /* Can only operate on al, bl, cl, dl. */
+ *(cd->mcodeptr++) = 0x0f;
+ *(cd->mcodeptr++) = 0xb6;
+ emit_reg((b),(a));
+}
+
+
+void emit_movzwl_reg_reg(codegendata *cd, s4 a, s4 b)
+{
+ *(cd->mcodeptr++) = 0x0f;
+ *(cd->mcodeptr++) = 0xb7;
+ emit_reg((b),(a));
+}
+
+
+void emit_movzwl_memindex_reg(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale, s4 reg)
{
COUNT(count_mov_mem_reg);
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xb7;
- i386_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, (reg),(disp),(basereg),(indexreg),(scale));
}
-void i386_mov_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_mov_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xc7;
- i386_emit_memindex(0,(disp),(basereg),(indexreg),(scale));
- i386_emit_imm32((imm));
+ emit_memindex(cd, 0,(disp),(basereg),(indexreg),(scale));
+ emit_imm32((imm));
}
-void i386_movw_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_movw_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0x66;
*(cd->mcodeptr++) = 0xc7;
- i386_emit_memindex(0,(disp),(basereg),(indexreg),(scale));
- i386_emit_imm16((imm));
+ emit_memindex(cd, 0,(disp),(basereg),(indexreg),(scale));
+ emit_imm16((imm));
}
-void i386_movb_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_movb_imm_memindex(codegendata *cd, s4 imm, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xc6;
- i386_emit_memindex(0,(disp),(basereg),(indexreg),(scale));
- i386_emit_imm8((imm));
+ emit_memindex(cd, 0,(disp),(basereg),(indexreg),(scale));
+ emit_imm8((imm));
}
/*
* alu operations
*/
-void i386_alu_reg_reg(codegendata *cd, s4 opc, s4 reg, s4 dreg)
+void emit_alu_reg_reg(codegendata *cd, s4 opc, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = (((u1) (opc)) << 3) + 1;
- i386_emit_reg((reg),(dreg));
+ emit_reg((reg),(dreg));
}
-void i386_alu_reg_membase(codegendata *cd, s4 opc, s4 reg, s4 basereg, s4 disp)
+void emit_alu_reg_membase(codegendata *cd, s4 opc, s4 reg, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = (((u1) (opc)) << 3) + 1;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
-void i386_alu_membase_reg(codegendata *cd, s4 opc, s4 basereg, s4 disp, s4 reg)
+void emit_alu_membase_reg(codegendata *cd, s4 opc, s4 basereg, s4 disp, s4 reg)
{
*(cd->mcodeptr++) = (((u1) (opc)) << 3) + 3;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
-void i386_alu_imm_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
+void emit_alu_imm_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
{
- if (i386_is_imm8(imm)) {
+ if (IS_IMM8(imm)) {
*(cd->mcodeptr++) = 0x83;
- i386_emit_reg((opc),(dreg));
- i386_emit_imm8((imm));
+ emit_reg((opc),(dreg));
+ emit_imm8((imm));
} else {
*(cd->mcodeptr++) = 0x81;
- i386_emit_reg((opc),(dreg));
- i386_emit_imm32((imm));
+ emit_reg((opc),(dreg));
+ emit_imm32((imm));
}
}
-void i386_alu_imm32_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
+void emit_alu_imm32_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
{
*(cd->mcodeptr++) = 0x81;
- i386_emit_reg((opc),(dreg));
- i386_emit_imm32((imm));
+ emit_reg((opc),(dreg));
+ emit_imm32((imm));
}
-void i386_alu_imm_membase(codegendata *cd, s4 opc, s4 imm, s4 basereg, s4 disp)
+void emit_alu_imm_membase(codegendata *cd, s4 opc, s4 imm, s4 basereg, s4 disp)
{
- if (i386_is_imm8(imm)) {
+ if (IS_IMM8(imm)) {
*(cd->mcodeptr++) = 0x83;
- i386_emit_membase((basereg),(disp),(opc));
- i386_emit_imm8((imm));
+ emit_membase(cd, (basereg),(disp),(opc));
+ emit_imm8((imm));
} else {
*(cd->mcodeptr++) = 0x81;
- i386_emit_membase((basereg),(disp),(opc));
- i386_emit_imm32((imm));
+ emit_membase(cd, (basereg),(disp),(opc));
+ emit_imm32((imm));
}
}
-void i386_test_reg_reg(codegendata *cd, s4 reg, s4 dreg)
+void emit_alu_imm_memabs(codegendata *cd, s4 opc, s4 imm, s4 disp)
+{
+ if (IS_IMM8(imm)) {
+ *(cd->mcodeptr++) = 0x83;
+ emit_mem(opc, disp);
+ emit_imm8((imm));
+ } else {
+ *(cd->mcodeptr++) = 0x81;
+ emit_mem(opc, disp);
+ emit_imm32((imm));
+ }
+}
+
+
+void emit_test_reg_reg(codegendata *cd, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x85;
- i386_emit_reg((reg),(dreg));
+ emit_reg((reg),(dreg));
}
-void i386_test_imm_reg(codegendata *cd, s4 imm, s4 reg)
+void emit_test_imm_reg(codegendata *cd, s4 imm, s4 reg)
{
*(cd->mcodeptr++) = 0xf7;
- i386_emit_reg(0,(reg));
- i386_emit_imm32((imm));
+ emit_reg(0,(reg));
+ emit_imm32((imm));
}
/*
* inc, dec operations
*/
-void i386_dec_mem(codegendata *cd, s4 mem)
+void emit_dec_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xff;
- i386_emit_mem(1,(mem));
+ emit_mem(1,(mem));
}
-void i386_cltd(codegendata *cd)
-{
- *(cd->mcodeptr++) = 0x99;
-}
-
-
-void i386_imul_reg_reg(codegendata *cd, s4 reg, s4 dreg)
+void emit_imul_reg_reg(codegendata *cd, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xaf;
- i386_emit_reg((dreg),(reg));
+ emit_reg((dreg),(reg));
}
-void i386_imul_membase_reg(codegendata *cd, s4 basereg, s4 disp, s4 dreg)
+void emit_imul_membase_reg(codegendata *cd, s4 basereg, s4 disp, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xaf;
- i386_emit_membase((basereg),(disp),(dreg));
+ emit_membase(cd, (basereg),(disp),(dreg));
}
-void i386_imul_imm_reg(codegendata *cd, s4 imm, s4 dreg)
+void emit_imul_imm_reg(codegendata *cd, s4 imm, s4 dreg)
{
- if (i386_is_imm8((imm))) {
+ if (IS_IMM8((imm))) {
*(cd->mcodeptr++) = 0x6b;
- i386_emit_reg(0,(dreg));
- i386_emit_imm8((imm));
+ emit_reg(0,(dreg));
+ emit_imm8((imm));
} else {
*(cd->mcodeptr++) = 0x69;
- i386_emit_reg(0,(dreg));
- i386_emit_imm32((imm));
+ emit_reg(0,(dreg));
+ emit_imm32((imm));
}
}
-void i386_imul_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
+void emit_imul_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
{
- if (i386_is_imm8((imm))) {
+ if (IS_IMM8((imm))) {
*(cd->mcodeptr++) = 0x6b;
- i386_emit_reg((dreg),(reg));
- i386_emit_imm8((imm));
+ emit_reg((dreg),(reg));
+ emit_imm8((imm));
} else {
*(cd->mcodeptr++) = 0x69;
- i386_emit_reg((dreg),(reg));
- i386_emit_imm32((imm));
+ emit_reg((dreg),(reg));
+ emit_imm32((imm));
}
}
-void i386_imul_imm_membase_reg(codegendata *cd, s4 imm, s4 basereg, s4 disp, s4 dreg)
+void emit_imul_imm_membase_reg(codegendata *cd, s4 imm, s4 basereg, s4 disp, s4 dreg)
{
- if (i386_is_imm8((imm))) {
+ if (IS_IMM8((imm))) {
*(cd->mcodeptr++) = 0x6b;
- i386_emit_membase((basereg),(disp),(dreg));
- i386_emit_imm8((imm));
+ emit_membase(cd, (basereg),(disp),(dreg));
+ emit_imm8((imm));
} else {
*(cd->mcodeptr++) = 0x69;
- i386_emit_membase((basereg),(disp),(dreg));
- i386_emit_imm32((imm));
+ emit_membase(cd, (basereg),(disp),(dreg));
+ emit_imm32((imm));
}
}
-void i386_mul_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_mul_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xf7;
- i386_emit_membase((basereg),(disp),4);
+ emit_reg(4, reg);
}
-void i386_idiv_reg(codegendata *cd, s4 reg)
+void emit_mul_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xf7;
- i386_emit_reg(7,(reg));
+ emit_membase(cd, (basereg),(disp),4);
}
-void i386_ret(codegendata *cd)
+void emit_idiv_reg(codegendata *cd, s4 reg)
{
- *(cd->mcodeptr++) = 0xc3;
+ *(cd->mcodeptr++) = 0xf7;
+ emit_reg(7,(reg));
}
/*
* shift ops
*/
-void i386_shift_reg(codegendata *cd, s4 opc, s4 reg)
+void emit_shift_reg(codegendata *cd, s4 opc, s4 reg)
{
*(cd->mcodeptr++) = 0xd3;
- i386_emit_reg((opc),(reg));
+ emit_reg((opc),(reg));
}
-void i386_shift_membase(codegendata *cd, s4 opc, s4 basereg, s4 disp)
-{
- *(cd->mcodeptr++) = 0xd3;
- i386_emit_membase((basereg),(disp),(opc));
-}
-
-
-void i386_shift_imm_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
+void emit_shift_imm_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
{
if ((imm) == 1) {
*(cd->mcodeptr++) = 0xd1;
- i386_emit_reg((opc),(dreg));
+ emit_reg((opc),(dreg));
} else {
*(cd->mcodeptr++) = 0xc1;
- i386_emit_reg((opc),(dreg));
- i386_emit_imm8((imm));
+ emit_reg((opc),(dreg));
+ emit_imm8((imm));
}
}
-void i386_shift_imm_membase(codegendata *cd, s4 opc, s4 imm, s4 basereg, s4 disp)
-{
- if ((imm) == 1) {
- *(cd->mcodeptr++) = 0xd1;
- i386_emit_membase((basereg),(disp),(opc));
- } else {
- *(cd->mcodeptr++) = 0xc1;
- i386_emit_membase((basereg),(disp),(opc));
- i386_emit_imm8((imm));
- }
-}
-
-
-void i386_shld_reg_reg(codegendata *cd, s4 reg, s4 dreg)
+void emit_shld_reg_reg(codegendata *cd, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xa5;
- i386_emit_reg((reg),(dreg));
+ emit_reg((reg),(dreg));
}
-void i386_shld_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
+void emit_shld_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xa4;
- i386_emit_reg((reg),(dreg));
- i386_emit_imm8((imm));
+ emit_reg((reg),(dreg));
+ emit_imm8((imm));
}
-void i386_shld_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
+void emit_shld_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xa5;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
-void i386_shrd_reg_reg(codegendata *cd, s4 reg, s4 dreg)
+void emit_shrd_reg_reg(codegendata *cd, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xad;
- i386_emit_reg((reg),(dreg));
+ emit_reg((reg),(dreg));
}
-void i386_shrd_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
+void emit_shrd_imm_reg_reg(codegendata *cd, s4 imm, s4 reg, s4 dreg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xac;
- i386_emit_reg((reg),(dreg));
- i386_emit_imm8((imm));
+ emit_reg((reg),(dreg));
+ emit_imm8((imm));
}
-void i386_shrd_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
+void emit_shrd_reg_membase(codegendata *cd, s4 reg, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xad;
- i386_emit_membase((basereg),(disp),(reg));
+ emit_membase(cd, (basereg),(disp),(reg));
}
/*
* jump operations
*/
-void i386_jmp_imm(codegendata *cd, s4 imm)
+void emit_jmp_imm(codegendata *cd, s4 imm)
{
*(cd->mcodeptr++) = 0xe9;
- i386_emit_imm32((imm));
+ emit_imm32((imm));
}
-void i386_jmp_reg(codegendata *cd, s4 reg)
+void emit_jmp_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xff;
- i386_emit_reg(4,(reg));
+ emit_reg(4,(reg));
}
-void i386_jcc(codegendata *cd, s4 opc, s4 imm)
+void emit_jcc(codegendata *cd, s4 opc, s4 imm)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0x80 + (u1) (opc);
- i386_emit_imm32((imm));
+ emit_imm32((imm));
}
/*
* conditional set operations
*/
-void i386_setcc_reg(codegendata *cd, s4 opc, s4 reg)
+void emit_setcc_reg(codegendata *cd, s4 opc, s4 reg)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0x90 + (u1) (opc);
- i386_emit_reg(0,(reg));
+ emit_reg(0,(reg));
}
-void i386_setcc_membase(codegendata *cd, s4 opc, s4 basereg, s4 disp)
+void emit_setcc_membase(codegendata *cd, s4 opc, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0x90 + (u1) (opc);
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_xadd_reg_mem(codegendata *cd, s4 reg, s4 mem)
+void emit_xadd_reg_mem(codegendata *cd, s4 reg, s4 mem)
{
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = 0xc1;
- i386_emit_mem((reg),(mem));
-}
-
-
-void i386_neg_reg(codegendata *cd, s4 reg)
-{
- *(cd->mcodeptr++) = 0xf7;
- i386_emit_reg(3,(reg));
+ emit_mem((reg),(mem));
}
-void i386_neg_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_neg_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xf7;
- i386_emit_membase((basereg),(disp),3);
+ emit_reg(3,(reg));
}
-void i386_push_imm(codegendata *cd, s4 imm)
+void emit_push_imm(codegendata *cd, s4 imm)
{
*(cd->mcodeptr++) = 0x68;
- i386_emit_imm32((imm));
+ emit_imm32((imm));
}
-void i386_pop_reg(codegendata *cd, s4 reg)
+void emit_pop_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0x58 + (0x07 & (u1) (reg));
}
-void i386_push_reg(codegendata *cd, s4 reg)
+void emit_push_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0x50 + (0x07 & (u1) (reg));
}
-void i386_nop(codegendata *cd)
-{
- *(cd->mcodeptr++) = 0x90;
-}
-
-
-void i386_lock(codegendata *cd)
+void emit_lock(codegendata *cd)
{
*(cd->mcodeptr++) = 0xf0;
}
/*
* call instructions
*/
-void i386_call_reg(codegendata *cd, s4 reg)
+void emit_call_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xff;
- i386_emit_reg(2,(reg));
+ emit_reg(2,(reg));
}
-void i386_call_imm(codegendata *cd, s4 imm)
+void emit_call_imm(codegendata *cd, s4 imm)
{
*(cd->mcodeptr++) = 0xe8;
- i386_emit_imm32((imm));
+ emit_imm32((imm));
}
/*
* floating point instructions
*/
-void i386_fld1(codegendata *cd)
+void emit_fld1(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xe8;
}
-void i386_fldz(codegendata *cd)
+void emit_fldz(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xee;
}
-void i386_fld_reg(codegendata *cd, s4 reg)
+void emit_fld_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xc0 + (0x07 & (u1) (reg));
}
-void i386_flds_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_flds_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_flds_membase32(codegendata *cd, s4 basereg, s4 disp)
+void emit_flds_membase32(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase32((basereg),(disp),0);
+ emit_membase32(cd, (basereg),(disp),0);
}
-void i386_fldl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fldl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_fldl_membase32(codegendata *cd, s4 basereg, s4 disp)
+void emit_fldl_membase32(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_membase32((basereg),(disp),0);
+ emit_membase32(cd, (basereg),(disp),0);
}
-void i386_fldt_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fldt_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdb;
- i386_emit_membase((basereg),(disp),5);
+ emit_membase(cd, (basereg),(disp),5);
}
-void i386_flds_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_flds_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_memindex(0,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 0,(disp),(basereg),(indexreg),(scale));
}
-void i386_fldl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_fldl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_memindex(0,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 0,(disp),(basereg),(indexreg),(scale));
}
-void i386_flds_mem(codegendata *cd, s4 mem)
+void emit_flds_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_mem(0,(mem));
+ emit_mem(0,(mem));
}
-void i386_fldl_mem(codegendata *cd, s4 mem)
+void emit_fldl_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_mem(0,(mem));
+ emit_mem(0,(mem));
}
-void i386_fildl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fildl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdb;
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_fildll_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fildll_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdf;
- i386_emit_membase((basereg),(disp),5);
+ emit_membase(cd, (basereg),(disp),5);
}
-void i386_fst_reg(codegendata *cd, s4 reg)
+void emit_fst_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xd0 + (0x07 & (u1) (reg));
}
-void i386_fsts_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fsts_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase((basereg),(disp),2);
+ emit_membase(cd, (basereg),(disp),2);
}
-void i386_fstl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_membase((basereg),(disp),2);
+ emit_membase(cd, (basereg),(disp),2);
}
-void i386_fsts_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_fsts_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_memindex(2,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 2,(disp),(basereg),(indexreg),(scale));
}
-void i386_fstl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_fstl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_memindex(2,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 2,(disp),(basereg),(indexreg),(scale));
}
-void i386_fstp_reg(codegendata *cd, s4 reg)
+void emit_fstp_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xd8 + (0x07 & (u1) (reg));
}
-void i386_fstps_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstps_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase((basereg),(disp),3);
+ emit_membase(cd, (basereg),(disp),3);
}
-void i386_fstps_membase32(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstps_membase32(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase32((basereg),(disp),3);
+ emit_membase32(cd, (basereg),(disp),3);
}
-void i386_fstpl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstpl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_membase((basereg),(disp),3);
+ emit_membase(cd, (basereg),(disp),3);
}
-void i386_fstpl_membase32(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstpl_membase32(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_membase32((basereg),(disp),3);
+ emit_membase32(cd, (basereg),(disp),3);
}
-void i386_fstpt_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fstpt_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdb;
- i386_emit_membase((basereg),(disp),7);
+ emit_membase(cd, (basereg),(disp),7);
}
-void i386_fstps_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_fstps_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_memindex(3,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 3,(disp),(basereg),(indexreg),(scale));
}
-void i386_fstpl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
+void emit_fstpl_memindex(codegendata *cd, s4 disp, s4 basereg, s4 indexreg, s4 scale)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_memindex(3,(disp),(basereg),(indexreg),(scale));
+ emit_memindex(cd, 3,(disp),(basereg),(indexreg),(scale));
}
-void i386_fstps_mem(codegendata *cd, s4 mem)
+void emit_fstps_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_mem(3,(mem));
+ emit_mem(3,(mem));
}
-void i386_fstpl_mem(codegendata *cd, s4 mem)
+void emit_fstpl_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xdd;
- i386_emit_mem(3,(mem));
+ emit_mem(3,(mem));
}
-void i386_fistl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fistl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdb;
- i386_emit_membase((basereg),(disp),2);
+ emit_membase(cd, (basereg),(disp),2);
}
-void i386_fistpl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fistpl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdb;
- i386_emit_membase((basereg),(disp),3);
+ emit_membase(cd, (basereg),(disp),3);
}
-void i386_fistpll_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fistpll_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdf;
- i386_emit_membase((basereg),(disp),7);
+ emit_membase(cd, (basereg),(disp),7);
}
-void i386_fchs(codegendata *cd)
+void emit_fchs(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xe0;
}
-void i386_faddp(codegendata *cd)
+void emit_faddp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xc1;
}
-void i386_fadd_reg_st(codegendata *cd, s4 reg)
+void emit_fadd_reg_st(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd8;
*(cd->mcodeptr++) = 0xc0 + (0x0f & (u1) (reg));
}
-void i386_fadd_st_reg(codegendata *cd, s4 reg)
+void emit_fadd_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdc;
*(cd->mcodeptr++) = 0xc0 + (0x0f & (u1) (reg));
}
-void i386_faddp_st_reg(codegendata *cd, s4 reg)
+void emit_faddp_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xc0 + (0x0f & (u1) (reg));
}
-void i386_fadds_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fadds_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd8;
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_faddl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_faddl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdc;
- i386_emit_membase((basereg),(disp),0);
+ emit_membase(cd, (basereg),(disp),0);
}
-void i386_fsub_reg_st(codegendata *cd, s4 reg)
+void emit_fsub_reg_st(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd8;
*(cd->mcodeptr++) = 0xe0 + (0x07 & (u1) (reg));
}
-void i386_fsub_st_reg(codegendata *cd, s4 reg)
+void emit_fsub_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdc;
*(cd->mcodeptr++) = 0xe8 + (0x07 & (u1) (reg));
}
-void i386_fsubp_st_reg(codegendata *cd, s4 reg)
+void emit_fsubp_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xe8 + (0x07 & (u1) (reg));
}
-void i386_fsubp(codegendata *cd)
+void emit_fsubp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xe9;
}
-void i386_fsubs_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fsubs_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd8;
- i386_emit_membase((basereg),(disp),4);
+ emit_membase(cd, (basereg),(disp),4);
}
-void i386_fsubl_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fsubl_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdc;
- i386_emit_membase((basereg),(disp),4);
+ emit_membase(cd, (basereg),(disp),4);
}
-void i386_fmul_reg_st(codegendata *cd, s4 reg)
+void emit_fmul_reg_st(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd8;
*(cd->mcodeptr++) = 0xc8 + (0x07 & (u1) (reg));
}
-void i386_fmul_st_reg(codegendata *cd, s4 reg)
+void emit_fmul_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdc;
*(cd->mcodeptr++) = 0xc8 + (0x07 & (u1) (reg));
}
-void i386_fmulp(codegendata *cd)
+void emit_fmulp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xc9;
}
-void i386_fmulp_st_reg(codegendata *cd, s4 reg)
+void emit_fmulp_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xc8 + (0x07 & (u1) (reg));
}
-void i386_fmuls_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fmuls_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd8;
- i386_emit_membase((basereg),(disp),1);
+ emit_membase(cd, (basereg),(disp),1);
}
-void i386_fmull_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fmull_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xdc;
- i386_emit_membase((basereg),(disp),1);
+ emit_membase(cd, (basereg),(disp),1);
}
-void i386_fdiv_reg_st(codegendata *cd, s4 reg)
+void emit_fdiv_reg_st(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd8;
*(cd->mcodeptr++) = 0xf0 + (0x07 & (u1) (reg));
}
-void i386_fdiv_st_reg(codegendata *cd, s4 reg)
+void emit_fdiv_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdc;
*(cd->mcodeptr++) = 0xf8 + (0x07 & (u1) (reg));
}
-void i386_fdivp(codegendata *cd)
+void emit_fdivp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xf9;
}
-void i386_fdivp_st_reg(codegendata *cd, s4 reg)
+void emit_fdivp_st_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xde;
*(cd->mcodeptr++) = 0xf8 + (0x07 & (u1) (reg));
}
-void i386_fxch(codegendata *cd)
+void emit_fxch(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xc9;
}
-void i386_fxch_reg(codegendata *cd, s4 reg)
+void emit_fxch_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xc8 + (0x07 & (reg));
}
-void i386_fprem(codegendata *cd)
+void emit_fprem(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xf8;
}
-void i386_fprem1(codegendata *cd)
+void emit_fprem1(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xf5;
}
-void i386_fucom(codegendata *cd)
+void emit_fucom(codegendata *cd)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xe1;
}
-void i386_fucom_reg(codegendata *cd, s4 reg)
+void emit_fucom_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xe0 + (0x07 & (u1) (reg));
}
-void i386_fucomp_reg(codegendata *cd, s4 reg)
+void emit_fucomp_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xe8 + (0x07 & (u1) (reg));
}
-void i386_fucompp(codegendata *cd)
+void emit_fucompp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xda;
*(cd->mcodeptr++) = 0xe9;
}
-void i386_fnstsw(codegendata *cd)
+void emit_fnstsw(codegendata *cd)
{
*(cd->mcodeptr++) = 0xdf;
*(cd->mcodeptr++) = 0xe0;
}
-void i386_sahf(codegendata *cd)
+void emit_sahf(codegendata *cd)
{
*(cd->mcodeptr++) = 0x9e;
}
-void i386_finit(codegendata *cd)
+void emit_finit(codegendata *cd)
{
*(cd->mcodeptr++) = 0x9b;
*(cd->mcodeptr++) = 0xdb;
}
-void i386_fldcw_mem(codegendata *cd, s4 mem)
+void emit_fldcw_mem(codegendata *cd, s4 mem)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_mem(5,(mem));
+ emit_mem(5,(mem));
}
-void i386_fldcw_membase(codegendata *cd, s4 basereg, s4 disp)
+void emit_fldcw_membase(codegendata *cd, s4 basereg, s4 disp)
{
*(cd->mcodeptr++) = 0xd9;
- i386_emit_membase((basereg),(disp),5);
+ emit_membase(cd, (basereg),(disp),5);
}
-void i386_wait(codegendata *cd)
+void emit_wait(codegendata *cd)
{
*(cd->mcodeptr++) = 0x9b;
}
-void i386_ffree_reg(codegendata *cd, s4 reg)
+void emit_ffree_reg(codegendata *cd, s4 reg)
{
*(cd->mcodeptr++) = 0xdd;
*(cd->mcodeptr++) = 0xc0 + (0x07 & (u1) (reg));
}
-void i386_fdecstp(codegendata *cd)
+void emit_fdecstp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xf6;
}
-void i386_fincstp(codegendata *cd)
+void emit_fincstp(codegendata *cd)
{
*(cd->mcodeptr++) = 0xd9;
*(cd->mcodeptr++) = 0xf7;
}
+#if defined(ENABLE_ESCAPE_CHECK)
+void emit_escape_check(codegendata *cd, s4 reg) {
+ M_PUSH(reg);
+ M_MOV_IMM(asm_escape_check, REG_ITMP3);
+ M_CALL(REG_ITMP3);
+ M_IADD_IMM(4, REG_SP);
+}
+#endif
/*
* These are local overrides for various environment variables in Emacs.