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Fix intrval reconstruction after operand swapping

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This commit is contained in:
Dmitry Stogov 2022-04-25 21:00:01 +03:00
parent 99e2b4c3fd
commit 648d7084bc
1 changed files with 4 additions and 4 deletions
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8
ir_ra.c
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@ -614,7 +614,7 @@ static void ir_swap_operands(ir_ctx *ctx, ir_ref i, ir_insn *insn)
insn->op1 = insn->op2;
insn->op2 = tmp;
ival = ctx->live_intervals[ctx->vregs[insn->op2]];
ival = ctx->live_intervals[ctx->vregs[insn->op1]];
p = ival->use_pos;
while (p) {
if (p->pos == pos) {
@ -628,15 +628,15 @@ static void ir_swap_operands(ir_ctx *ctx, ir_ref i, ir_insn *insn)
ival = ctx->live_intervals[ctx->vregs[i]];
p = ival->use_pos;
while (p) {
if (p->pos == pos) {
if (p->pos == load_pos) {
p->hint_ref = insn->op1;
break;
}
p = p->next;
}
if (insn->op1 > 0 && ctx->vregs[insn->op1]) {
ival = ctx->live_intervals[ctx->vregs[i]];
if (insn->op2 > 0 && ctx->vregs[insn->op2]) {
ival = ctx->live_intervals[ctx->vregs[insn->op2]];
r = &ival->range;
while (r) {
if (r->end == load_pos) {