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nv50: fix find_dom_frontier

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This commit is contained in:
Christoph Bumiller 2010-09-02 18:28:39 +02:00
parent a79da61a4b
commit 9f9ae4eee1
1 changed files with 5 additions and 4 deletions
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9
src/gallium/drivers/nv50/nv50_pc.c
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@ -631,6 +631,7 @@ nvbb_reachable_by(struct nv_basic_block *bf, struct nv_basic_block *bp,
static struct nv_basic_block *
nvbb_find_dom_frontier(struct nv_basic_block *b, struct nv_basic_block *df)
{
struct nv_basic_block *out;
int i;
if (!nvbb_dominated_by(df, b)) {
@ -641,11 +642,11 @@ nvbb_find_dom_frontier(struct nv_basic_block *b, struct nv_basic_block *df)
return df;
}
}
for (i = 0; i < 2 && b->out[i]; ++i) {
if (b->out_kind[i] == CFG_EDGE_BACK)
for (i = 0; i < 2 && df->out[i]; ++i) {
if (df->out_kind[i] == CFG_EDGE_BACK)
continue;
if ((df = nvbb_find_dom_frontier(b, b->out[i])))
return df;
if ((out = nvbb_find_dom_frontier(b, df->out[i])))
return out;
}
return NULL;
}