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Fix param offset calculation

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This commit is contained in:
Dmitry Stogov 2022-05-18 14:36:49 +03:00
parent 96fc0fb520
commit 438c7801cf
1 changed files with 17 additions and 22 deletions
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39
ir_x86.dasc
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@ -4037,37 +4037,32 @@ static void ir_emit_load_params(ir_ctx *ctx)
use = *p;
insn = &ctx->ir_base[use];
if (insn->op == IR_PARAM) {
if (ctx->vregs[use]) {
if (IR_IS_TYPE_INT(insn->type)) {
if (int_param_num < int_reg_params_count) {
src_reg = int_reg_params[int_param_num];
} else {
src_reg = IR_REG_NONE;
stack_offset += sizeof(void*);
}
int_param_num++;
if (IR_IS_TYPE_INT(insn->type)) {
if (int_param_num < int_reg_params_count) {
src_reg = int_reg_params[int_param_num];
} else {
if (fp_param_num < fp_reg_params_count) {
src_reg = fp_reg_params[fp_param_num];
} else {
src_reg = IR_REG_NONE;
stack_offset += sizeof(void*);
}
fp_param_num++;
src_reg = IR_REG_NONE;
stack_offset += sizeof(void*);
}
int_param_num++;
} else {
if (fp_param_num < fp_reg_params_count) {
src_reg = fp_reg_params[fp_param_num];
} else {
src_reg = IR_REG_NONE;
stack_offset += sizeof(void*);
}
fp_param_num++;
}
if (ctx->vregs[use]) {
dst_reg = IR_REG_NUM(ctx->regs[use][0]);
IR_ASSERT(src_reg != IR_REG_NONE || dst_reg != IR_REG_NONE);
if (src_reg != dst_reg) {
ir_emit_param_move(ctx, insn->type, src_reg, dst_reg, use, stack_offset);
}
if (dst_reg != IR_REG_NONE && (ctx->regs[use][0] & IR_REG_SPILL_STORE)) {
ir_emit_store(ctx, insn->type, use, dst_reg);
}
} else {
if (IR_IS_TYPE_INT(insn->type)) {
int_param_num++;
} else {
fp_param_num++;
}
}
}
}