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Fix spill load

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This commit is contained in:
Dmitry Stogov 2023-02-16 01:46:16 +03:00
parent c7e2cca534
commit ec8489bf6f
1 changed files with 7 additions and 2 deletions
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9
ir_x86.dasc
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@ -2014,8 +2014,13 @@ static int32_t ir_fuse_load(ir_ctx *ctx, ir_ref ref, ir_reg *preg)
if (!IR_IS_CONST_REF(load_insn->op2) if (!IR_IS_CONST_REF(load_insn->op2)
&& ir_rule(ctx, load_insn->op2) != IR_SKIP_MEM) { && ir_rule(ctx, load_insn->op2) != IR_SKIP_MEM) {
/* just fuse the LOAD itself */ /* just fuse the LOAD itself */
if (*preg != IR_REG_NONE && *preg != ctx->regs[load_insn->op2][0]) { if (*preg != IR_REG_NONE) {
IR_ASSERT(!((*preg) & IR_REG_SPILL_LOAD)); ir_reg reg = *preg;
if (reg & IR_REG_SPILL_LOAD) {
reg &= ~IR_REG_SPILL_LOAD;
ir_emit_load(ctx, IR_ADDR, reg, load_insn->op2);
*preg = reg;
}
} else { } else {
ir_reg reg = ctx->regs[load_insn->op2][0]; ir_reg reg = ctx->regs[load_insn->op2][0];
IR_ASSERT(reg != IR_REG_NONE); IR_ASSERT(reg != IR_REG_NONE);