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Diffstat (limited to 'gcc/tree-predcom.c')
| -rw-r--r-- | gcc/tree-predcom.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c index a4011bf..f7a57a4 100644 --- a/gcc/tree-predcom.c +++ b/gcc/tree-predcom.c @@ -1069,7 +1069,9 @@ add_ref_to_chain (chain_p chain, dref ref) chain->has_max_use_after = false; } - if (ref->distance == chain->length + /* Don't set the flag for store-store chain since there is no use. */ + if (chain->type != CT_STORE_STORE + && ref->distance == chain->length && ref->pos > root->pos) chain->has_max_use_after = true; |