/* src/vm/jit/x86_64/emit.c - x86_64 code emitter functions
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
J. Wenninger, Institut f. Computersprachen - TU Wien
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- Changes:
-
- $Id: emit.c 5052 2006-06-28 17:05:46Z twisti $
-
*/
+#include "config.h"
+
+#include <assert.h>
#include "vm/types.h"
#include "md-abi.h"
-#include "vm/jit/codegen-common.h"
-#include "vm/jit/emit.h"
-#include "vm/jit/jit.h"
#include "vm/jit/x86_64/codegen.h"
-#include "vm/jit/x86_64/md-emit.h"
-
-
-/* code generation functions **************************************************/
-
-/* emit_load_s1 ****************************************************************
-
- Emits a possible load of the first source operand.
-
-*******************************************************************************/
-
-s4 emit_load_s1(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
-{
- codegendata *cd;
- s4 disp;
- s4 reg;
-
- /* get required compiler data */
-
- cd = jd->cd;
-
- if (src->flags & INMEMORY) {
- COUNT_SPILLS;
-
- disp = src->regoff * 8;
-
- 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_INT_TYPE(src->type))
- M_ILD(tempreg, REG_SP, disp);
- else
- M_LLD(tempreg, REG_SP, disp);
- }
-
- reg = tempreg;
- } else
- reg = src->regoff;
-
- return reg;
-}
-
-
-/* emit_load_s2 ****************************************************************
+#include "vm/jit/x86_64/emit.h"
- Emits a possible load of the second source operand.
+#include "mm/memory.h"
-*******************************************************************************/
-
-s4 emit_load_s2(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
-{
- codegendata *cd;
- s4 disp;
- s4 reg;
+#include "threads/lock-common.h"
- /* get required compiler data */
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
- cd = jd->cd;
-
- if (src->flags & INMEMORY) {
- COUNT_SPILLS;
-
- disp = src->regoff * 8;
+#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/replace.h"
- 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);
+#include "vmcore/options.h"
- } else {
- if (IS_INT_TYPE(src->type))
- M_ILD(tempreg, REG_SP, disp);
- else
- M_LLD(tempreg, REG_SP, disp);
- }
- reg = tempreg;
- } else
- reg = src->regoff;
-
- return reg;
-}
+/* emit_load *******************************************************************
-
-/* emit_load_s3 ****************************************************************
-
- Emits a possible load of the third source operand.
+ Emits a possible load of an operand.
*******************************************************************************/
-s4 emit_load_s3(jitdata *jd, instruction *iptr, stackptr src, s4 tempreg)
+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 * 8;
-
- 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_INT_TYPE(src->type))
- M_ILD(tempreg, REG_SP, disp);
- else
- M_LLD(tempreg, REG_SP, disp);
+ disp = src->vv.regoff;
+
+ switch (src->type) {
+ case TYPE_INT:
+ M_ILD(tempreg, REG_SP, disp);
+ break;
+ case TYPE_LNG:
+ case TYPE_ADR:
+ 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;
}
*******************************************************************************/
-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;
- registerdata *rd;
s4 disp;
#if 0
s4 s;
/* get required compiler data */
cd = jd->cd;
- rd = jd->rd;
#if 0
/* do we have to generate a conditional move? */
}
#endif
- if (dst->flags & INMEMORY) {
+ if (IS_INMEMORY(dst->flags)) {
COUNT_SPILLS;
- disp = dst->regoff * 8;
-
- if (IS_FLT_DBL_TYPE(dst->type)) {
- if (IS_2_WORD_TYPE(dst->type))
- M_DST(d, REG_SP, disp);
- else
- M_FST(d, REG_SP, disp);
+ disp = dst->vv.regoff;
- } else
+ switch (dst->type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
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 *******************************************************************
- XXX
+ Generates a register/memory to register/memory copy.
*******************************************************************************/
-void emit_copy(jitdata *jd, instruction *iptr, stackptr src, stackptr dst)
+void emit_copy(jitdata *jd, instruction *iptr)
{
- codegendata *cd;
- registerdata *rd;
- s4 s1, d;
+ codegendata *cd;
+ varinfo *src;
+ varinfo *dst;
+ s4 s1, d;
/* get required compiler data */
cd = jd->cd;
- rd = jd->rd;
- if ((src->regoff != dst->regoff) ||
+ /* 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)) {
- d = codegen_reg_of_var(rd, iptr->opc, dst, REG_IFTMP);
- 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)) {
+ d = codegen_reg_of_var(iptr->opc, dst, REG_IFTMP);
+ s1 = emit_load(jd, iptr, src, d);
+ }
+ else {
+ s1 = emit_load(jd, iptr, src, REG_IFTMP);
+ d = codegen_reg_of_var(iptr->opc, dst, s1);
+ }
if (s1 != d) {
- if (IS_FLT_DBL_TYPE(src->type))
- M_FMOV(s1, d);
- else
+ switch (src->type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
M_MOV(s1, d);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_FMOV(s1, d);
+ break;
+ default:
+ vm_abort("emit_copy: unknown type %d", src->type);
+ }
}
emit_store(jd, iptr, dst, d);
}
+/* emit_branch *****************************************************************
+
+ Emits the code for conditional and unconditional branchs.
+
+*******************************************************************************/
+
+void emit_branch(codegendata *cd, s4 disp, s4 condition, s4 reg, u4 options)
+{
+ s4 branchdisp;
+
+ /* NOTE: A displacement overflow cannot happen. */
+
+ /* check which branch to generate */
+
+ if (condition == BRANCH_UNCONDITIONAL) {
+
+ /* calculate the different displacements */
+
+ branchdisp = disp - BRANCH_UNCONDITIONAL_SIZE;
+
+ 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_BULT(branchdisp);
+ break;
+ case BRANCH_ULE:
+ M_BULE(branchdisp);
+ break;
+ case BRANCH_UGE:
+ M_BUGE(branchdisp);
+ break;
+ case BRANCH_UGT:
+ M_BUGT(branchdisp);
+ break;
+ default:
+ vm_abort("emit_branch: unknown condition %d", condition);
+ }
+ }
+}
+
+
+/* emit_arithmetic_check *******************************************************
+
+ Emit an ArithmeticException check.
+
+*******************************************************************************/
+
+void emit_arithmetic_check(codegendata *cd, instruction *iptr, s4 reg)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(reg);
+ M_BNE(8);
+ M_ALD_MEM(reg, EXCEPTION_HARDWARE_ARITHMETIC);
+ }
+}
+
+
+/* emit_arrayindexoutofbounds_check ********************************************
+
+ 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_ICMP(REG_ITMP3, s2);
+ M_BULT(8);
+ M_ALD_MEM(s2, EXCEPTION_HARDWARE_ARRAYINDEXOUTOFBOUNDS);
+ }
+}
+
+
+/* emit_classcast_check ********************************************************
+
+ Emit a ClassCastException check.
+
+*******************************************************************************/
+
+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(8);
+ break;
+ case BRANCH_EQ:
+ M_BNE(8);
+ break;
+ case BRANCH_UGT:
+ M_BULE(8);
+ break;
+ default:
+ vm_abort("emit_classcast_check: unknown condition %d", condition);
+ }
+ M_ALD_MEM(s1, EXCEPTION_HARDWARE_CLASSCAST);
+ }
+}
+
+
+/* emit_nullpointer_check ******************************************************
+
+ Emit a NullPointerException check.
+
+*******************************************************************************/
+
+void emit_nullpointer_check(codegendata *cd, instruction *iptr, s4 reg)
+{
+ if (INSTRUCTION_MUST_CHECK(iptr)) {
+ M_TEST(reg);
+ M_BNE(8);
+ M_ALD_MEM(reg, EXCEPTION_HARDWARE_NULLPOINTER);
+ }
+}
+
+
+/* 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(8);
+ M_ALD_MEM(REG_RESULT, EXCEPTION_HARDWARE_EXCEPTION);
+ }
+}
+
+
+/* emit_patcher_stubs **********************************************************
+
+ Generates the code for the patcher stubs.
+
+*******************************************************************************/
+
+void emit_patcher_stubs(jitdata *jd)
+{
+ codegendata *cd;
+ patchref *pref;
+ u8 mcode;
+ u1 *savedmcodeptr;
+ u1 *tmpmcodeptr;
+ s4 targetdisp;
+ s4 disp;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ /* generate code patching stub call code */
+
+ targetdisp = 0;
+
+ for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
+ /* check size of code segment */
+
+ MCODECHECK(512);
+
+ /* Get machine code which is patched back in later. A
+ `call rel32' is 5 bytes long (but read 8 bytes). */
+
+ savedmcodeptr = cd->mcodebase + pref->branchpos;
+ mcode = *((u8 *) savedmcodeptr);
+
+ /* patch in `call rel32' to call the following code */
+
+ tmpmcodeptr = cd->mcodeptr; /* save current mcodeptr */
+ cd->mcodeptr = savedmcodeptr; /* set mcodeptr to patch position */
+
+ M_CALL_IMM(tmpmcodeptr - (savedmcodeptr + PATCHER_CALL_SIZE));
+
+ cd->mcodeptr = tmpmcodeptr; /* restore the current mcodeptr */
+
+ /* move pointer to java_objectheader onto stack */
+
+#if defined(ENABLE_THREADS)
+ /* create a virtual java_objectheader */
+
+ (void) dseg_add_unique_address(cd, NULL); /* flcword */
+ (void) dseg_add_unique_address(cd, lock_get_initial_lock_word());
+ disp = dseg_add_unique_address(cd, NULL); /* vftbl */
+
+ emit_lea_membase_reg(cd, RIP, -((cd->mcodeptr + 7) - cd->mcodebase) + disp, REG_ITMP3);
+ M_PUSH(REG_ITMP3);
+#else
+ M_PUSH_IMM(0);
+#endif
+
+ /* move machine code bytes and classinfo pointer into registers */
+
+ M_MOV_IMM(mcode, REG_ITMP3);
+ M_PUSH(REG_ITMP3);
+
+ M_MOV_IMM(pref->ref, REG_ITMP3);
+ M_PUSH(REG_ITMP3);
+
+ M_MOV_IMM(pref->disp, REG_ITMP3);
+ M_PUSH(REG_ITMP3);
+
+ M_MOV_IMM(pref->patcher, REG_ITMP3);
+ M_PUSH(REG_ITMP3);
+
+ if (targetdisp == 0) {
+ targetdisp = cd->mcodeptr - cd->mcodebase;
+
+ M_MOV_IMM(asm_patcher_wrapper, REG_ITMP3);
+ M_JMP(REG_ITMP3);
+ }
+ else {
+ M_JMP_IMM((cd->mcodebase + targetdisp) -
+ (cd->mcodeptr + PATCHER_CALL_SIZE));
+ }
+ }
+}
+
+
+/* emit_trap *******************************************************************
+
+ Emit a trap instruction and return the original machine code.
+
+*******************************************************************************/
+
+uint32_t emit_trap(codegendata *cd)
+{
+ uint32_t mcode;
+
+ /* Get machine code which is patched back in later. The
+ trap is 1 instruction word long. */
+
+ mcode = *((uint32_t *) cd->mcodeptr);
+
+ M_NOP;
+
+ return mcode;
+}
+
+
+/* emit_verbosecall_enter ******************************************************
+
+ Generates the code for the call trace.
+
+*******************************************************************************/
+
+#if !defined(NDEBUG)
+void emit_verbosecall_enter(jitdata *jd)
+{
+ methodinfo *m;
+ codegendata *cd;
+ registerdata *rd;
+ methoddesc *md;
+ s4 i, j, k;
+
+ /* get required compiler data */
+
+ m = jd->m;
+ cd = jd->cd;
+ rd = jd->rd;
+
+ md = m->parseddesc;
+
+ /* mark trace code */
+
+ M_NOP;
+
+ /* additional +1 is for 16-byte stack alignment */
+
+ M_LSUB_IMM((ARG_CNT + TMP_CNT + 1 + 1) * 8, REG_SP);
+
+ /* save argument registers */
+
+ for (i = 0; i < INT_ARG_CNT; i++)
+ M_LST(abi_registers_integer_argument[i], REG_SP, (1 + i) * 8);
+
+ for (i = 0; i < FLT_ARG_CNT; i++)
+ M_DST(abi_registers_float_argument[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
+
+ /* save temporary registers for leaf methods */
+
+ if (jd->isleafmethod) {
+ for (i = 0; i < INT_TMP_CNT; i++)
+ M_LST(rd->tmpintregs[i], REG_SP, (1 + ARG_CNT + i) * 8);
+
+ for (i = 0; i < FLT_TMP_CNT; i++)
+ M_DST(rd->tmpfltregs[i], REG_SP, (1 + ARG_CNT + INT_TMP_CNT + i) * 8);
+ }
+
+ /* show integer hex code for float arguments */
+
+ for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
+ /* If the paramtype is a float, we have to right shift all
+ following integer registers. */
+
+ if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
+ for (k = INT_ARG_CNT - 2; k >= i; k--)
+ M_MOV(abi_registers_integer_argument[k],
+ abi_registers_integer_argument[k + 1]);
+
+ emit_movd_freg_reg(cd, abi_registers_float_argument[j],
+ abi_registers_integer_argument[i]);
+ j++;
+ }
+ }
+
+ M_MOV_IMM(m, REG_ITMP2);
+ M_AST(REG_ITMP2, REG_SP, 0 * 8);
+ M_MOV_IMM(builtin_verbosecall_enter, REG_ITMP1);
+ M_CALL(REG_ITMP1);
+
+ /* restore argument registers */
+
+ for (i = 0; i < INT_ARG_CNT; i++)
+ M_LLD(abi_registers_integer_argument[i], REG_SP, (1 + i) * 8);
+
+ for (i = 0; i < FLT_ARG_CNT; i++)
+ M_DLD(abi_registers_float_argument[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
+
+ /* restore temporary registers for leaf methods */
+
+ if (jd->isleafmethod) {
+ for (i = 0; i < INT_TMP_CNT; i++)
+ M_LLD(rd->tmpintregs[i], REG_SP, (1 + ARG_CNT + i) * 8);
+
+ for (i = 0; i < FLT_TMP_CNT; i++)
+ M_DLD(rd->tmpfltregs[i], REG_SP, (1 + ARG_CNT + INT_TMP_CNT + i) * 8);
+ }
+
+ M_LADD_IMM((ARG_CNT + TMP_CNT + 1 + 1) * 8, REG_SP);
+
+ /* mark trace code */
+
+ M_NOP;
+}
+#endif /* !defined(NDEBUG) */
+
+
+/* emit_verbosecall_exit *******************************************************
+
+ Generates the code for the call trace.
+
+*******************************************************************************/
+
+#if !defined(NDEBUG)
+void emit_verbosecall_exit(jitdata *jd)
+{
+ methodinfo *m;
+ codegendata *cd;
+ registerdata *rd;
+
+ /* 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);
+
+ M_LST(REG_RESULT, REG_SP, 0 * 8);
+ M_DST(REG_FRESULT, REG_SP, 1 * 8);
+
+ M_INTMOVE(REG_RESULT, REG_A0);
+ M_FLTMOVE(REG_FRESULT, REG_FA0);
+ M_FLTMOVE(REG_FRESULT, REG_FA1);
+ M_MOV_IMM(m, REG_A1);
+
+ M_MOV_IMM(builtin_verbosecall_exit, REG_ITMP1);
+ M_CALL(REG_ITMP1);
+
+ M_LLD(REG_RESULT, REG_SP, 0 * 8);
+ M_DLD(REG_FRESULT, REG_SP, 1 * 8);
+
+ M_AADD_IMM(2 * 8, REG_SP);
+
+ /* mark trace code */
+
+ M_NOP;
+}
+#endif /* !defined(NDEBUG) */
+
+
/* code generation functions **************************************************/
static void emit_membase(codegendata *cd, s4 basereg, s4 disp, s4 dreg)
}
-void emit_ishift(codegendata *cd, s4 shift_op, stackptr src, instruction *iptr)
+void emit_ishift(jitdata *jd, s4 shift_op, instruction *iptr)
{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
- s4 d_old;
+ s4 s1, s2, d, d_old;
+ varinfo *v_s1,*v_s2,*v_dst;
+ codegendata *cd;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ v_s1 = VAROP(iptr->s1);
+ v_s2 = VAROP(iptr->sx.s23.s2);
+ v_dst = VAROP(iptr->dst);
+
+ s1 = v_s1->vv.regoff;
+ s2 = v_s2->vv.regoff;
+ d = v_dst->vv.regoff;
M_INTMOVE(RCX, REG_ITMP1); /* save RCX */
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ if (IS_INMEMORY(v_dst->flags)) {
+ if (IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
if (s1 == d) {
- M_ILD(RCX, REG_SP, s2 * 8);
- emit_shiftl_membase(cd, shift_op, REG_SP, d * 8);
+ M_ILD(RCX, REG_SP, s2);
+ emit_shiftl_membase(cd, shift_op, REG_SP, d);
} else {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_ILD(REG_ITMP2, REG_SP, s1 * 8);
+ M_ILD(RCX, REG_SP, s2);
+ M_ILD(REG_ITMP2, REG_SP, s1);
emit_shiftl_reg(cd, shift_op, REG_ITMP2);
- M_IST(REG_ITMP2, REG_SP, d * 8);
+ M_IST(REG_ITMP2, REG_SP, d);
}
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
+ } else if (IS_INMEMORY(v_s2->flags) && !IS_INMEMORY(v_s1->flags)) {
/* s1 may be equal to RCX */
if (s1 == RCX) {
if (s2 == d) {
- M_ILD(REG_ITMP1, REG_SP, s2 * 8);
- M_IST(s1, REG_SP, d * 8);
+ M_ILD(REG_ITMP1, REG_SP, s2);
+ M_IST(s1, REG_SP, d);
M_INTMOVE(REG_ITMP1, RCX);
} else {
- M_IST(s1, REG_SP, d * 8);
- M_ILD(RCX, REG_SP, s2 * 8);
+ M_IST(s1, REG_SP, d);
+ M_ILD(RCX, REG_SP, s2);
}
} else {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_IST(s1, REG_SP, d * 8);
+ M_ILD(RCX, REG_SP, s2);
+ M_IST(s1, REG_SP, d);
}
- emit_shiftl_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shiftl_membase(cd, shift_op, REG_SP, d);
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ } else if (!IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
if (s1 == d) {
M_INTMOVE(s2, RCX);
- emit_shiftl_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shiftl_membase(cd, shift_op, REG_SP, d);
} else {
M_INTMOVE(s2, RCX);
- M_ILD(REG_ITMP2, REG_SP, s1 * 8);
+ M_ILD(REG_ITMP2, REG_SP, s1);
emit_shiftl_reg(cd, shift_op, REG_ITMP2);
- M_IST(REG_ITMP2, REG_SP, d * 8);
+ M_IST(REG_ITMP2, REG_SP, d);
}
} else {
/* s1 may be equal to RCX */
- M_IST(s1, REG_SP, d * 8);
+ M_IST(s1, REG_SP, d);
M_INTMOVE(s2, RCX);
- emit_shiftl_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shiftl_membase(cd, shift_op, REG_SP, d);
}
M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
d = REG_ITMP3;
}
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_ILD(d, REG_SP, s1 * 8);
+ if (IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
+ M_ILD(RCX, REG_SP, s2);
+ M_ILD(d, REG_SP, s1);
emit_shiftl_reg(cd, shift_op, d);
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
+ } else if (IS_INMEMORY(v_s2->flags) && !IS_INMEMORY(v_s1->flags)) {
/* s1 may be equal to RCX */
M_INTMOVE(s1, d);
- M_ILD(RCX, REG_SP, s2 * 8);
+ M_ILD(RCX, REG_SP, s2);
emit_shiftl_reg(cd, shift_op, d);
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ } else if (!IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
M_INTMOVE(s2, RCX);
- M_ILD(d, REG_SP, s1 * 8);
+ M_ILD(d, REG_SP, s1);
emit_shiftl_reg(cd, shift_op, d);
} else {
}
-void emit_lshift(codegendata *cd, s4 shift_op, stackptr src, instruction *iptr)
+void emit_lshift(jitdata *jd, s4 shift_op, instruction *iptr)
{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
- s4 d_old;
+ s4 s1, s2, d, d_old;
+ varinfo *v_s1,*v_s2,*v_dst;
+ codegendata *cd;
+
+ /* get required compiler data */
+
+ cd = jd->cd;
+
+ v_s1 = VAROP(iptr->s1);
+ v_s2 = VAROP(iptr->sx.s23.s2);
+ v_dst = VAROP(iptr->dst);
+
+ s1 = v_s1->vv.regoff;
+ s2 = v_s2->vv.regoff;
+ d = v_dst->vv.regoff;
M_INTMOVE(RCX, REG_ITMP1); /* save RCX */
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ if (IS_INMEMORY(v_dst->flags)) {
+ if (IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
if (s1 == d) {
- M_ILD(RCX, REG_SP, s2 * 8);
- emit_shift_membase(cd, shift_op, REG_SP, d * 8);
+ M_ILD(RCX, REG_SP, s2);
+ emit_shift_membase(cd, shift_op, REG_SP, d);
} else {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_LLD(REG_ITMP2, REG_SP, s1 * 8);
+ M_ILD(RCX, REG_SP, s2);
+ M_LLD(REG_ITMP2, REG_SP, s1);
emit_shift_reg(cd, shift_op, REG_ITMP2);
- M_LST(REG_ITMP2, REG_SP, d * 8);
+ M_LST(REG_ITMP2, REG_SP, d);
}
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
+ } else if (IS_INMEMORY(v_s2->flags) && !IS_INMEMORY(v_s1->flags)) {
/* s1 may be equal to RCX */
if (s1 == RCX) {
if (s2 == d) {
- M_ILD(REG_ITMP1, REG_SP, s2 * 8);
- M_LST(s1, REG_SP, d * 8);
+ M_ILD(REG_ITMP1, REG_SP, s2);
+ M_LST(s1, REG_SP, d);
M_INTMOVE(REG_ITMP1, RCX);
} else {
- M_LST(s1, REG_SP, d * 8);
- M_ILD(RCX, REG_SP, s2 * 8);
+ M_LST(s1, REG_SP, d);
+ M_ILD(RCX, REG_SP, s2);
}
} else {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_LST(s1, REG_SP, d * 8);
+ M_ILD(RCX, REG_SP, s2);
+ M_LST(s1, REG_SP, d);
}
- emit_shift_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shift_membase(cd, shift_op, REG_SP, d);
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ } else if (!IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
if (s1 == d) {
M_INTMOVE(s2, RCX);
- emit_shift_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shift_membase(cd, shift_op, REG_SP, d);
} else {
M_INTMOVE(s2, RCX);
- M_LLD(REG_ITMP2, REG_SP, s1 * 8);
+ M_LLD(REG_ITMP2, REG_SP, s1);
emit_shift_reg(cd, shift_op, REG_ITMP2);
- M_LST(REG_ITMP2, REG_SP, d * 8);
+ M_LST(REG_ITMP2, REG_SP, d);
}
} else {
/* s1 may be equal to RCX */
- M_LST(s1, REG_SP, d * 8);
+ M_LST(s1, REG_SP, d);
M_INTMOVE(s2, RCX);
- emit_shift_membase(cd, shift_op, REG_SP, d * 8);
+ emit_shift_membase(cd, shift_op, REG_SP, d);
}
M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
d = REG_ITMP3;
}
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_ILD(RCX, REG_SP, s2 * 8);
- M_LLD(d, REG_SP, s1 * 8);
+ if (IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
+ M_ILD(RCX, REG_SP, s2);
+ M_LLD(d, REG_SP, s1);
emit_shift_reg(cd, shift_op, d);
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
+ } else if (IS_INMEMORY(v_s2->flags) && !IS_INMEMORY(v_s1->flags)) {
/* s1 may be equal to RCX */
M_INTMOVE(s1, d);
- M_ILD(RCX, REG_SP, s2 * 8);
+ M_ILD(RCX, REG_SP, s2);
emit_shift_reg(cd, shift_op, d);
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
+ } else if (!IS_INMEMORY(v_s2->flags) && IS_INMEMORY(v_s1->flags)) {
M_INTMOVE(s2, RCX);
- M_LLD(d, REG_SP, s1 * 8);
+ M_LLD(d, REG_SP, s1);
emit_shift_reg(cd, shift_op, d);
} else {
}
+void emit_mov_mem_reg(codegendata *cd, s4 disp, s4 dreg)
+{
+ emit_rex(1, dreg, 0, 0);
+ *(cd->mcodeptr++) = 0x8b;
+ emit_address_byte(0, dreg, 4);
+ emit_mem(4, disp);
+}
+
+
/*
* alu operations
*/
}
-void emit_alu_imm32_reg(codegendata *cd, s8 opc, s8 imm, s8 dreg) {
+void emit_alu_imm32_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
+{
emit_rex(1,0,0,(dreg));
*(cd->mcodeptr++) = 0x81;
emit_reg((opc),(dreg));
}
+void emit_alul_imm32_reg(codegendata *cd, s4 opc, s4 imm, s4 dreg)
+{
+ emit_rex(0,0,0,(dreg));
+ *(cd->mcodeptr++) = 0x81;
+ emit_reg((opc),(dreg));
+ emit_imm32((imm));
+}
+
+
void emit_alul_imm_reg(codegendata *cd, s8 opc, s8 imm, s8 dreg) {
if (IS_IMM8(imm)) {
emit_rex(0,0,0,(dreg));
*/
/* we need the rex byte to get all low bytes */
-void emit_setcc_reg(codegendata *cd, s8 opc, s8 reg) {
+void emit_setcc_reg(codegendata *cd, s4 opc, s4 reg)
+{
*(cd->mcodeptr++) = (0x40 | (((reg) >> 3) & 0x01));
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = (0x90 + (opc));
/* we need the rex byte to get all low bytes */
-void emit_setcc_membase(codegendata *cd, s8 opc, s8 basereg, s8 disp) {
+void emit_setcc_membase(codegendata *cd, s4 opc, s4 basereg, s4 disp)
+{
*(cd->mcodeptr++) = (0x40 | (((basereg) >> 3) & 0x01));
*(cd->mcodeptr++) = 0x0f;
*(cd->mcodeptr++) = (0x90 + (opc));
}
-void emit_cmovcc_reg_reg(codegendata *cd, s8 opc, s8 reg, s8 dreg)
+void emit_cmovcc_reg_reg(codegendata *cd, s4 opc, s4 reg, s4 dreg)
{
emit_rex(1,(dreg),0,(reg));
*(cd->mcodeptr++) = 0x0f;
}
-void emit_cmovccl_reg_reg(codegendata *cd, s8 opc, s8 reg, s8 dreg)
+void emit_cmovccl_reg_reg(codegendata *cd, s4 opc, s4 reg, s4 dreg)
{
emit_rex(0,(dreg),0,(reg));
*(cd->mcodeptr++) = 0x0f;
}
-
void emit_neg_reg(codegendata *cd, s8 reg)
{
emit_rex(1,0,0,(reg));
/*
* call instructions
*/
-void emit_call_reg(codegendata *cd, s8 reg) {
- emit_rex(1,0,0,(reg));
+void emit_call_reg(codegendata *cd, s8 reg)
+{
+ emit_rex(0,0,0,(reg));
*(cd->mcodeptr++) = 0xff;
emit_reg(2,(reg));
}
-void emit_call_imm(codegendata *cd, s8 imm) {
+void emit_call_imm(codegendata *cd, s8 imm)
+{
*(cd->mcodeptr++) = 0xe8;
emit_imm32((imm));
}
projects / cacao.git / blobdiff