-/* code generation functions */
-
-void x86_64_emit_ialu(s4 alu_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s2 == d) {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alul_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
-
- } else if (s1 == d) {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alul_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alul_membase_reg(alu_op, REG_SP, s2 * 8, REG_ITMP1);
- x86_64_movl_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- if (s2 == d) {
- x86_64_alul_reg_membase(alu_op, s1, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alul_reg_reg(alu_op, s1, REG_ITMP1);
- x86_64_movl_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_alul_reg_membase(alu_op, s2, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alul_reg_reg(alu_op, s2, REG_ITMP1);
- x86_64_movl_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else {
- x86_64_movl_reg_membase(s1, REG_SP, d * 8);
- x86_64_alul_reg_membase(alu_op, s2, REG_SP, d * 8);
- }
-
- } else {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, d);
- x86_64_alul_membase_reg(alu_op, REG_SP, s2 * 8, d);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- M_INTMOVE(s1, d);
- x86_64_alul_membase_reg(alu_op, REG_SP, s2 * 8, d);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_INTMOVE(s2, d);
- x86_64_alul_membase_reg(alu_op, REG_SP, s1 * 8, d);
-
- } else {
- if (s2 == d) {
- x86_64_alul_reg_reg(alu_op, s1, d);
-
- } else {
- M_INTMOVE(s1, d);
- x86_64_alul_reg_reg(alu_op, s2, d);
- }
- }
- }
-}
-
-
-
-void x86_64_emit_lalu(s4 alu_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s2 == d) {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alu_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
-
- } else if (s1 == d) {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alu_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alu_membase_reg(alu_op, REG_SP, s2 * 8, REG_ITMP1);
- x86_64_mov_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- if (s2 == d) {
- x86_64_alu_reg_membase(alu_op, s1, REG_SP, d * 8);
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alu_reg_reg(alu_op, s1, REG_ITMP1);
- x86_64_mov_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_alu_reg_membase(alu_op, s2, REG_SP, d * 8);
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alu_reg_reg(alu_op, s2, REG_ITMP1);
- x86_64_mov_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else {
- x86_64_mov_reg_membase(s1, REG_SP, d * 8);
- x86_64_alu_reg_membase(alu_op, s2, REG_SP, d * 8);
- }
-
- } else {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, d);
- x86_64_alu_membase_reg(alu_op, REG_SP, s2 * 8, d);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- M_INTMOVE(s1, d);
- x86_64_alu_membase_reg(alu_op, REG_SP, s2 * 8, d);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_INTMOVE(s2, d);
- x86_64_alu_membase_reg(alu_op, REG_SP, s1 * 8, d);
-
- } else {
- if (s2 == d) {
- x86_64_alu_reg_reg(alu_op, s1, d);
-
- } else {
- M_INTMOVE(s1, d);
- x86_64_alu_reg_reg(alu_op, s2, d);
- }
- }
- }
-}
-
-
-
-void x86_64_emit_ialuconst(s4 alu_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if (iptr->dst->flags & INMEMORY) {
- if (src->flags & INMEMORY) {
- if (s1 == d) {
- x86_64_alul_imm_membase(alu_op, iptr->val.i, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_alul_imm_reg(alu_op, iptr->val.i, REG_ITMP1);
- x86_64_movl_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else {
- x86_64_movl_reg_membase(s1, REG_SP, d * 8);
- x86_64_alul_imm_membase(alu_op, iptr->val.i, REG_SP, d * 8);
- }
-
- } else {
- if (src->flags & INMEMORY) {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, d);
- x86_64_alul_imm_reg(alu_op, iptr->val.i, d);
-
- } else {
- M_INTMOVE(s1, d);
- x86_64_alul_imm_reg(alu_op, iptr->val.i, d);
- }
- }
-}
-
-
-
-void x86_64_emit_laluconst(s4 alu_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if (iptr->dst->flags & INMEMORY) {
- if (src->flags & INMEMORY) {
- if (s1 == d) {
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_membase(alu_op, iptr->val.l, REG_SP, d * 8);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP1);
- x86_64_alu_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
- }
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
-
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_reg(alu_op, iptr->val.l, REG_ITMP1);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP2);
- x86_64_alu_reg_reg(alu_op, REG_ITMP2, REG_ITMP1);
- }
- x86_64_mov_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else {
- x86_64_mov_reg_membase(s1, REG_SP, d * 8);
-
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_membase(alu_op, iptr->val.l, REG_SP, d * 8);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP1);
- x86_64_alu_reg_membase(alu_op, REG_ITMP1, REG_SP, d * 8);
- }
- }
-
- } else {
- if (src->flags & INMEMORY) {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, d);
-
- } else {
- M_INTMOVE(s1, d);
- }
-
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_reg(alu_op, iptr->val.l, d);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP1);
- x86_64_alu_reg_reg(alu_op, REG_ITMP1, d);
- }
- }
-}
-
-
-
-void x86_64_emit_ishift(s4 shift_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- M_INTMOVE(RCX, REG_ITMP1); /* save RCX */
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_shiftl_membase(shift_op, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP2);
- x86_64_shiftl_reg(shift_op, REG_ITMP2);
- x86_64_movl_reg_membase(REG_ITMP2, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_movl_reg_membase(s1, REG_SP, d * 8);
- x86_64_shiftl_membase(shift_op, REG_SP, d * 8);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- M_INTMOVE(s2, RCX);
- x86_64_shiftl_membase(shift_op, REG_SP, d * 8);
-
- } else {
- M_INTMOVE(s2, RCX);
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP2);
- x86_64_shiftl_reg(shift_op, REG_ITMP2);
- x86_64_movl_reg_membase(REG_ITMP2, REG_SP, d * 8);
- }
-
- } else {
- M_INTMOVE(s2, RCX);
- x86_64_movl_reg_membase(s1, REG_SP, d * 8);
- x86_64_shiftl_membase(shift_op, REG_SP, d * 8);
- }
- M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
-
- } else {
- if (d == RCX) {
- d = REG_ITMP3;
- }
-
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_movl_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shiftl_reg(shift_op, d);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- M_INTMOVE(s1, d); /* maybe src is RCX */
- x86_64_movl_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_shiftl_reg(shift_op, d);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_INTMOVE(s2, RCX);
- x86_64_movl_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shiftl_reg(shift_op, d);
-
- } else {
- if (s1 == RCX) {
- M_INTMOVE(s1, d);
- M_INTMOVE(s2, RCX);
-
- } else {
- M_INTMOVE(s2, RCX);
- M_INTMOVE(s1, d);
- }
- x86_64_shiftl_reg(shift_op, d);
- }
-
- if (d == RCX) {
- M_INTMOVE(REG_ITMP3, RCX);
-
- } else {
- M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
- }
- }
-}
-
-
-
-void x86_64_emit_lshift(s4 shift_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- M_INTMOVE(RCX, REG_ITMP1); /* save RCX */
- if (iptr->dst->flags & INMEMORY) {
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_shift_membase(shift_op, REG_SP, d * 8);
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP2);
- x86_64_shift_reg(shift_op, REG_ITMP2);
- x86_64_mov_reg_membase(REG_ITMP2, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_mov_reg_membase(s1, REG_SP, d * 8);
- x86_64_shift_membase(shift_op, REG_SP, d * 8);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- if (s1 == d) {
- M_INTMOVE(s2, RCX);
- x86_64_shift_membase(shift_op, REG_SP, d * 8);
-
- } else {
- M_INTMOVE(s2, RCX);
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP2);
- x86_64_shift_reg(shift_op, REG_ITMP2);
- x86_64_mov_reg_membase(REG_ITMP2, REG_SP, d * 8);
- }
-
- } else {
- M_INTMOVE(s2, RCX);
- x86_64_mov_reg_membase(s1, REG_SP, d * 8);
- x86_64_shift_membase(shift_op, REG_SP, d * 8);
- }
- M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
-
- } else {
- if (d == RCX) {
- d = REG_ITMP3;
- }
-
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_mov_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shift_reg(shift_op, d);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- M_INTMOVE(s1, d); /* maybe src is RCX */
- x86_64_mov_membase_reg(REG_SP, s2 * 8, RCX);
- x86_64_shift_reg(shift_op, d);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- M_INTMOVE(s2, RCX);
- x86_64_mov_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shift_reg(shift_op, d);
-
- } else {
- if (s1 == RCX) {
- M_INTMOVE(s1, d);
- M_INTMOVE(s2, RCX);
- } else {
- M_INTMOVE(s2, RCX);
- M_INTMOVE(s1, d);
- }
- x86_64_shift_reg(shift_op, d);
- }
-
- if (d == RCX) {
- M_INTMOVE(REG_ITMP3, RCX);
-
- } else {
- M_INTMOVE(REG_ITMP1, RCX); /* restore RCX */
- }
- }
-}
-
-
-
-void x86_64_emit_ishiftconst(s4 shift_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if ((src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_shiftl_imm_membase(shift_op, iptr->val.i, REG_SP, d * 8);
-
- } else {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_shiftl_imm_reg(shift_op, iptr->val.i, REG_ITMP1);
- x86_64_movl_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(iptr->dst->flags & INMEMORY)) {
- x86_64_movl_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shiftl_imm_reg(shift_op, iptr->val.i, d);
-
- } else if (!(src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- x86_64_movl_reg_membase(s1, REG_SP, d * 8);
- x86_64_shiftl_imm_membase(shift_op, iptr->val.i, REG_SP, d * 8);
-
- } else {
- M_INTMOVE(s1, d);
- x86_64_shiftl_imm_reg(shift_op, iptr->val.i, d);
- }
-}
-
-
-
-void x86_64_emit_lshiftconst(s4 shift_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->regoff;
- s4 d = iptr->dst->regoff;
-
- if ((src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- if (s1 == d) {
- x86_64_shift_imm_membase(shift_op, iptr->val.i, REG_SP, d * 8);
-
- } else {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, REG_ITMP1);
- x86_64_shift_imm_reg(shift_op, iptr->val.i, REG_ITMP1);
- x86_64_mov_reg_membase(REG_ITMP1, REG_SP, d * 8);
- }
-
- } else if ((src->flags & INMEMORY) && !(iptr->dst->flags & INMEMORY)) {
- x86_64_mov_membase_reg(REG_SP, s1 * 8, d);
- x86_64_shift_imm_reg(shift_op, iptr->val.i, d);
-
- } else if (!(src->flags & INMEMORY) && (iptr->dst->flags & INMEMORY)) {
- x86_64_mov_reg_membase(s1, REG_SP, d * 8);
- x86_64_shift_imm_membase(shift_op, iptr->val.i, REG_SP, d * 8);
-
- } else {
- M_INTMOVE(s1, d);
- x86_64_shift_imm_reg(shift_op, iptr->val.i, d);
- }
-}
-
-
-
-void x86_64_emit_ifcc(s4 if_op, stackptr src, instruction *iptr)
-{
- if (src->flags & INMEMORY) {
- x86_64_alul_imm_membase(X86_64_CMP, iptr->val.i, REG_SP, src->regoff * 8);
-
- } else {
- x86_64_alul_imm_reg(X86_64_CMP, iptr->val.i, src->regoff);
- }
- x86_64_jcc(if_op, 0);
- codegen_addreference(BlockPtrOfPC(iptr->op1), mcodeptr);
-}
-
-
-
-void x86_64_emit_if_lcc(s4 if_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->regoff;
-
- if (src->flags & INMEMORY) {
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_membase(X86_64_CMP, iptr->val.l, REG_SP, s1 * 8);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP1);
- x86_64_alu_reg_membase(X86_64_CMP, REG_ITMP1, REG_SP, s1 * 8);
- }
-
- } else {
- if (x86_64_is_imm32(iptr->val.l)) {
- x86_64_alu_imm_reg(X86_64_CMP, iptr->val.l, s1);
-
- } else {
- x86_64_mov_imm_reg(iptr->val.l, REG_ITMP1);
- x86_64_alu_reg_reg(X86_64_CMP, REG_ITMP1, s1);
- }
- }
- x86_64_jcc(if_op, 0);
- codegen_addreference(BlockPtrOfPC(iptr->op1), mcodeptr);
-}
-
-
-
-void x86_64_emit_if_icmpcc(s4 if_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
-
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_movl_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alul_reg_membase(X86_64_CMP, REG_ITMP1, REG_SP, s1 * 8);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- x86_64_alul_membase_reg(X86_64_CMP, REG_SP, s2 * 8, s1);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_alul_reg_membase(X86_64_CMP, s2, REG_SP, s1 * 8);
-
- } else {
- x86_64_alul_reg_reg(X86_64_CMP, s2, s1);
- }
- x86_64_jcc(if_op, 0);
- codegen_addreference(BlockPtrOfPC(iptr->op1), mcodeptr);
-}
-
-
-
-void x86_64_emit_if_lcmpcc(s4 if_op, stackptr src, instruction *iptr)
-{
- s4 s1 = src->prev->regoff;
- s4 s2 = src->regoff;
-
- if ((src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_mov_membase_reg(REG_SP, s2 * 8, REG_ITMP1);
- x86_64_alu_reg_membase(X86_64_CMP, REG_ITMP1, REG_SP, s1 * 8);
-
- } else if ((src->flags & INMEMORY) && !(src->prev->flags & INMEMORY)) {
- x86_64_alu_membase_reg(X86_64_CMP, REG_SP, s2 * 8, s1);
-
- } else if (!(src->flags & INMEMORY) && (src->prev->flags & INMEMORY)) {
- x86_64_alu_reg_membase(X86_64_CMP, s2, REG_SP, s1 * 8);
-
- } else {
- x86_64_alu_reg_reg(X86_64_CMP, s2, s1);
- }
- x86_64_jcc(if_op, 0);
- codegen_addreference(BlockPtrOfPC(iptr->op1), mcodeptr);
-}
-
-
-
-#if 1
-
-/*
- * mov ops
- */
-void x86_64_mov_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(reg),0,(dreg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_mov_imm_reg(s8 imm, s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xb8 + ((reg) & 0x07);
- x86_64_emit_imm64((imm));
-}
-
-
-void x86_64_movl_imm_reg(s8 imm, s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xb8 + ((reg) & 0x07);
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_mov_membase_reg(s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = 0x8b;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movl_membase_reg(s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x8b;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-/*
- * this one is for INVOKEVIRTUAL/INVOKEINTERFACE to have a
- * constant membase immediate length of 32bit
- */
-void x86_64_mov_membase32_reg(s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = 0x8b;
- x86_64_address_byte(2, (reg), (basereg));
- x86_64_emit_imm32((disp));
-}
-
-
-void x86_64_mov_reg_membase(s8 reg, s8 basereg, s8 disp) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movl_reg_membase(s8 reg, s8 basereg, s8 disp) {
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_mov_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 reg) {
- x86_64_emit_rex(1,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x8b;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movl_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 reg) {
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x8b;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_mov_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- x86_64_emit_rex(1,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movl_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movw_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x89;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movb_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x88;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_mov_imm_membase(s8 imm, s8 basereg, s8 disp) {
- x86_64_emit_rex(1,0,0,(basereg));
- *(mcodeptr++) = 0xc7;
- x86_64_emit_membase((basereg),(disp),0);
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_movl_imm_membase(s8 imm, s8 basereg, s8 disp) {
- x86_64_emit_rex(0,0,0,(basereg));
- *(mcodeptr++) = 0xc7;
- x86_64_emit_membase((basereg),(disp),0);
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_movsbq_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbe;
- /* XXX: why do reg and dreg have to be exchanged */
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movsbq_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbe;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movswq_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbf;
- /* XXX: why do reg and dreg have to be exchanged */
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movswq_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbf;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movslq_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x63;
- /* XXX: why do reg and dreg have to be exchanged */
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movslq_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x63;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movzwq_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xb7;
- /* XXX: why do reg and dreg have to be exchanged */
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movzwq_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xb7;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movswq_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 reg) {
- x86_64_emit_rex(1,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbf;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movsbq_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 reg) {
- x86_64_emit_rex(1,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xbe;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movzwq_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 reg) {
- x86_64_emit_rex(1,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xb7;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-
-/*
- * alu operations
- */
-void x86_64_alu_reg_reg(s8 opc, s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(reg),0,(dreg));
- *(mcodeptr++) = (((opc)) << 3) + 1;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_alul_reg_reg(s8 opc, s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(reg),0,(dreg));
- *(mcodeptr++) = (((opc)) << 3) + 1;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_alu_reg_membase(s8 opc, s8 reg, s8 basereg, s8 disp) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = (((opc)) << 3) + 1;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_alul_reg_membase(s8 opc, s8 reg, s8 basereg, s8 disp) {
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = (((opc)) << 3) + 1;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_alu_membase_reg(s8 opc, s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = (((opc)) << 3) + 3;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_alul_membase_reg(s8 opc, s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = (((opc)) << 3) + 3;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_alu_imm_reg(s8 opc, s8 imm, s8 dreg) {
- if (x86_64_is_imm8(imm)) {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0x83;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0x81;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_alul_imm_reg(s8 opc, s8 imm, s8 dreg) {
- if (x86_64_is_imm8(imm)) {
- x86_64_emit_rex(0,0,0,(dreg));
- *(mcodeptr++) = 0x83;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(0,0,0,(dreg));
- *(mcodeptr++) = 0x81;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_alu_imm_membase(s8 opc, s8 imm, s8 basereg, s8 disp) {
- if (x86_64_is_imm8(imm)) {
- x86_64_emit_rex(1,(basereg),0,0);
- *(mcodeptr++) = 0x83;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(1,(basereg),0,0);
- *(mcodeptr++) = 0x81;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_alul_imm_membase(s8 opc, s8 imm, s8 basereg, s8 disp) {
- if (x86_64_is_imm8(imm)) {
- x86_64_emit_rex(0,(basereg),0,0);
- *(mcodeptr++) = 0x83;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(0,(basereg),0,0);
- *(mcodeptr++) = 0x81;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_test_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(reg),0,(dreg));
- *(mcodeptr++) = 0x85;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_testl_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(reg),0,(dreg));
- *(mcodeptr++) = 0x85;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_test_imm_reg(s8 imm, s8 reg) {
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(0,(reg));
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_testw_imm_reg(s8 imm, s8 reg) {
- *(mcodeptr++) = 0x66;
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(0,(reg));
- x86_64_emit_imm16((imm));
-}
-
-
-void x86_64_testb_imm_reg(s8 imm, s8 reg) {
- *(mcodeptr++) = 0xf6;
- x86_64_emit_reg(0,(reg));
- x86_64_emit_imm8((imm));
-}
-
-
-void x86_64_lea_membase_reg(s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(1,(reg),0,(basereg));
- *(mcodeptr++) = 0x8d;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_leal_membase_reg(s8 basereg, s8 disp, s8 reg) {
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x8d;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-
-/*
- * inc, dec operations
- */
-void x86_64_inc_reg(s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(0,(reg));
-}
-
-
-void x86_64_incl_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(0,(reg));
-}
-
-
-void x86_64_inc_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(1,(basereg),0,0);
- *(mcodeptr++) = 0xff;
- x86_64_emit_membase((basereg),(disp),0);
-}
-
-
-void x86_64_incl_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(0,(basereg),0,0);
- *(mcodeptr++) = 0xff;
- x86_64_emit_membase((basereg),(disp),0);
-}
-
-
-void x86_64_dec_reg(s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(1,(reg));
-}
-
-
-void x86_64_decl_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(1,(reg));
-}
-
-
-void x86_64_dec_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(1,(basereg),0,0);
- *(mcodeptr++) = 0xff;
- x86_64_emit_membase((basereg),(disp),1);
-}
-
-
-void x86_64_decl_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(0,(basereg),0,0);
- *(mcodeptr++) = 0xff;
- x86_64_emit_membase((basereg),(disp),1);
-}
-
-
-
-
-void x86_64_cltd() {
- *(mcodeptr++) = 0x99;
-}
-
-
-void x86_64_cqto() {
- x86_64_emit_rex(1,0,0,0);
- *(mcodeptr++) = 0x99;
-}
-
-
-
-void x86_64_imul_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xaf;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_imull_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xaf;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_imul_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xaf;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_imull_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xaf;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_imul_imm_reg(s8 imm, s8 dreg) {
- if (x86_64_is_imm8((imm))) {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0x6b;
- x86_64_emit_reg(0,(dreg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0x69;
- x86_64_emit_reg(0,(dreg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_imul_imm_reg_reg(s8 imm, s8 reg, s8 dreg) {
- if (x86_64_is_imm8((imm))) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x6b;
- x86_64_emit_reg((dreg),(reg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x69;
- x86_64_emit_reg((dreg),(reg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_imull_imm_reg_reg(s8 imm, s8 reg, s8 dreg) {
- if (x86_64_is_imm8((imm))) {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x6b;
- x86_64_emit_reg((dreg),(reg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x69;
- x86_64_emit_reg((dreg),(reg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_imul_imm_membase_reg(s8 imm, s8 basereg, s8 disp, s8 dreg) {
- if (x86_64_is_imm8((imm))) {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x6b;
- x86_64_emit_membase((basereg),(disp),(dreg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x69;
- x86_64_emit_membase((basereg),(disp),(dreg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_imull_imm_membase_reg(s8 imm, s8 basereg, s8 disp, s8 dreg) {
- if (x86_64_is_imm8((imm))) {
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x6b;
- x86_64_emit_membase((basereg),(disp),(dreg));
- x86_64_emit_imm8((imm));
- } else {
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x69;
- x86_64_emit_membase((basereg),(disp),(dreg));
- x86_64_emit_imm32((imm));
- }
-}
-
-
-void x86_64_idiv_reg(s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(7,(reg));
-}
-
-
-void x86_64_idivl_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(7,(reg));
-}
-
-
-
-void x86_64_ret() {
- *(mcodeptr++) = 0xc3;
-}
-
-
-
-/*
- * shift ops
- */
-void x86_64_shift_reg(s8 opc, s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xd3;
- x86_64_emit_reg((opc),(reg));
-}
-
-
-void x86_64_shiftl_reg(s8 opc, s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xd3;
- x86_64_emit_reg((opc),(reg));
-}
-
-
-void x86_64_shift_membase(s8 opc, s8 basereg, s8 disp) {
- x86_64_emit_rex(1,0,0,(basereg));
- *(mcodeptr++) = 0xd3;
- x86_64_emit_membase((basereg),(disp),(opc));
-}
-
-
-void x86_64_shiftl_membase(s8 opc, s8 basereg, s8 disp) {
- x86_64_emit_rex(0,0,0,(basereg));
- *(mcodeptr++) = 0xd3;
- x86_64_emit_membase((basereg),(disp),(opc));
-}
-
-
-void x86_64_shift_imm_reg(s8 opc, s8 imm, s8 dreg) {
- if ((imm) == 1) {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0xd1;
- x86_64_emit_reg((opc),(dreg));
- } else {
- x86_64_emit_rex(1,0,0,(dreg));
- *(mcodeptr++) = 0xc1;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm8((imm));
- }
-}
-
-
-void x86_64_shiftl_imm_reg(s8 opc, s8 imm, s8 dreg) {
- if ((imm) == 1) {
- x86_64_emit_rex(0,0,0,(dreg));
- *(mcodeptr++) = 0xd1;
- x86_64_emit_reg((opc),(dreg));
- } else {
- x86_64_emit_rex(0,0,0,(dreg));
- *(mcodeptr++) = 0xc1;
- x86_64_emit_reg((opc),(dreg));
- x86_64_emit_imm8((imm));
- }
-}
-
-
-void x86_64_shift_imm_membase(s8 opc, s8 imm, s8 basereg, s8 disp) {
- if ((imm) == 1) {
- x86_64_emit_rex(1,0,0,(basereg));
- *(mcodeptr++) = 0xd1;
- x86_64_emit_membase((basereg),(disp),(opc));
- } else {
- x86_64_emit_rex(1,0,0,(basereg));
- *(mcodeptr++) = 0xc1;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm8((imm));
- }
-}
-
-
-void x86_64_shiftl_imm_membase(s8 opc, s8 imm, s8 basereg, s8 disp) {
- if ((imm) == 1) {
- x86_64_emit_rex(0,0,0,(basereg));
- *(mcodeptr++) = 0xd1;
- x86_64_emit_membase((basereg),(disp),(opc));
- } else {
- x86_64_emit_rex(0,0,0,(basereg));
- *(mcodeptr++) = 0xc1;
- x86_64_emit_membase((basereg),(disp),(opc));
- x86_64_emit_imm8((imm));
- }
-}
-
-
-
-/*
- * jump operations
- */
-void x86_64_jmp_imm(s8 imm) {
- *(mcodeptr++) = 0xe9;
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_jmp_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(4,(reg));
-}
-
-
-void x86_64_jcc(s8 opc, s8 imm) {
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = (0x80 + (opc));
- x86_64_emit_imm32((imm));
-}
-
-
-
-/*
- * conditional set and move operations
- */
-
-/* we need the rex byte to get all low bytes */
-void x86_64_setcc_reg(s8 opc, s8 reg) {
- *(mcodeptr++) = (0x40 | (((reg) >> 3) & 0x01));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = (0x90 + (opc));
- x86_64_emit_reg(0,(reg));
-}
-
-
-/* we need the rex byte to get all low bytes */
-void x86_64_setcc_membase(s8 opc, s8 basereg, s8 disp) {
- *(mcodeptr++) = (0x40 | (((basereg) >> 3) & 0x01));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = (0x90 + (opc));
- x86_64_emit_membase((basereg),(disp),0);
-}
-
-
-void x86_64_cmovcc_reg_reg(s8 opc, s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = (0x40 + (opc));
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cmovccl_reg_reg(s8 opc, s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = (0x40 + (opc));
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-
-void x86_64_neg_reg(s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(3,(reg));
-}
-
-
-void x86_64_negl_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_reg(3,(reg));
-}
-
-
-void x86_64_neg_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(1,0,0,(basereg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_membase((basereg),(disp),3);
-}
-
-
-void x86_64_negl_membase(s8 basereg, s8 disp) {
- x86_64_emit_rex(0,0,0,(basereg));
- *(mcodeptr++) = 0xf7;
- x86_64_emit_membase((basereg),(disp),3);
-}
-
-
-
-void x86_64_push_imm(s8 imm) {
- *(mcodeptr++) = 0x68;
- x86_64_emit_imm32((imm));
-}
-
-
-void x86_64_pop_reg(s8 reg) {
- x86_64_emit_rex(0,0,0,(reg));
- *(mcodeptr++) = 0x58 + (0x07 & (reg));
-}
-
-
-void x86_64_xchg_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(1,(reg),0,(dreg));
- *(mcodeptr++) = 0x87;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_nop() {
- *(mcodeptr++) = 0x90;
-}
-
-
-
-/*
- * call instructions
- */
-void x86_64_call_reg(s8 reg) {
- x86_64_emit_rex(1,0,0,(reg));
- *(mcodeptr++) = 0xff;
- x86_64_emit_reg(2,(reg));
-}
-
-
-void x86_64_call_imm(s8 imm) {
- *(mcodeptr++) = 0xe8;
- x86_64_emit_imm32((imm));
-}
-
-
-
-/*
- * floating point instructions (SSE2)
- */
-void x86_64_addsd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x58;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_addss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x58;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtsi2ssq_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtsi2ss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtsi2sdq_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtsi2sd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtss2sd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvtsd2ss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5a;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvttss2siq_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvttss2si_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvttsd2siq_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(1,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_cvttsd2si_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_divss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5e;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_divsd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5e;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movd_reg_freg(s8 reg, s8 freg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(1,(freg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x6e;
- x86_64_emit_reg((freg),(reg));
-}
-
-
-void x86_64_movd_freg_reg(s8 freg, s8 reg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(1,(freg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x7e;
- x86_64_emit_reg((freg),(reg));
-}
-
-
-void x86_64_movd_reg_membase(s8 reg, s8 basereg, s8 disp) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x7e;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movd_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x7e;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movd_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(1,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x6e;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movdl_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x6e;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movd_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x6e;
- x86_64_emit_memindex((dreg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movq_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x7e;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_movq_reg_membase(s8 reg, s8 basereg, s8 disp) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0xd6;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movq_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x7e;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(reg),0,(dreg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_movsd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(reg),0,(dreg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_reg((reg),(dreg));
-}
-
-
-void x86_64_movss_reg_membase(s8 reg, s8 basereg, s8 disp) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x11;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movsd_reg_membase(s8 reg, s8 basereg, s8 disp) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(reg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x11;
- x86_64_emit_membase((basereg),(disp),(reg));
-}
-
-
-void x86_64_movss_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movlps_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x12;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movsd_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movlpd_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x12;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_movss_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x11;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movsd_reg_memindex(s8 reg, s8 disp, s8 basereg, s8 indexreg, s8 scale) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(reg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x11;
- x86_64_emit_memindex((reg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movss_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_memindex((dreg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_movsd_memindex_reg(s8 disp, s8 basereg, s8 indexreg, s8 scale, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),(indexreg),(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x10;
- x86_64_emit_memindex((dreg),(disp),(basereg),(indexreg),(scale));
-}
-
-
-void x86_64_mulss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x59;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_mulsd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x59;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_subss_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf3;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_subsd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0xf2;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x5c;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_ucomiss_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2e;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_ucomisd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x2e;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_xorps_reg_reg(s8 reg, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x57;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_xorps_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x57;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-
-void x86_64_xorpd_reg_reg(s8 reg, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),0,(reg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x57;
- x86_64_emit_reg((dreg),(reg));
-}
-
-
-void x86_64_xorpd_membase_reg(s8 basereg, s8 disp, s8 dreg) {
- *(mcodeptr++) = 0x66;
- x86_64_emit_rex(0,(dreg),0,(basereg));
- *(mcodeptr++) = 0x0f;
- *(mcodeptr++) = 0x57;
- x86_64_emit_membase((basereg),(disp),(dreg));
-}
-
-#endif
-