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Cleanup dessa code

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This commit is contained in:
Dmitry Stogov 2022-04-19 01:28:55 +03:00
parent 6444a1141a
commit efe9a96bd2
1 changed files with 11 additions and 17 deletions
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26
ir_x86.dasc
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@ -3020,7 +3020,7 @@ static int ir_emit_dessa_move(ir_ctx *ctx, uint8_t type, int from, int to)
ir_backend_data *data = ctx->data;
dasm_State **Dst = &data->dasm_state;
ir_insn *from_insn;
int8_t to_reg, from_reg, dst_reg;
int8_t to_reg, from_reg;
from_insn =&ctx->ir_base[from];
if (IR_IS_TYPE_INT(type)) {
@ -3062,23 +3062,17 @@ static int ir_emit_dessa_move(ir_ctx *ctx, uint8_t type, int from, int to)
} else {
to_reg = to ? ir_vreg_reg(ctx, to) : IR_REG_XMM0; // %xmm0 is a temporary register
from_reg = from ? ir_vreg_reg(ctx, from) : IR_REG_XMM0; // %xmm0 is a temporary register
dst_reg = to_reg;
if (to_reg < 0 && from_reg < 0) {
to_reg = IR_REG_XMM0; // TODO: temporary register 2
}
if (IR_IS_CONST_REF(from) && to_reg >= 0) {
ir_emit_fp_load(ctx, from_insn->type, from, to_reg);
if (from_reg < 0) {
from_reg = (to_reg >= 0) ? to_reg : IR_REG_XMM0; // TODO: temporary register 2
if (IR_IS_CONST_REF(from)) {
ir_emit_fp_load(ctx, from_insn->type, from, from_reg);
} else {
if (to_reg >= 0 && from_reg >= 0) {
| ASM_FP_REG_REG_OP movaps, movapd, vmovaps, vmovapd, type, to_reg, from_reg
} else if (from_reg >= 0) {
| ASM_FP_REG_VREG_MOV type, from_reg, from
}
}
if (from_reg != to_reg) {
| ASM_FP_VREG_REG_MOV type, to, from_reg
} else if (to_reg >= 0) {
| ASM_FP_REG_VREG_MOV type, to_reg, from
}
}
if (to_reg != dst_reg) {
| ASM_FP_VREG_REG_MOV type, to, to_reg
}
}
return 1;