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| author | Jan Hubicka <jh@suse.cz> | 2020-11-21 21:34:02 +0100 |
|---|---|---|
| committer | Jan Hubicka <jh@suse.cz> | 2020-11-21 21:34:02 +0100 |
| commit | ddaad23e2f49a91ab59f87f31b01e57439a3d6df (patch) | |
| tree | 25d3276f54637f30638cc8c40bbbaf02e50817d1 /gcc/tree-ssa-alias.c | |
| parent | caf17f3afa83623c0f538f6c91c7699c4fdd5674 (diff) | |
| download | gcc-ddaad23e2f49a91ab59f87f31b01e57439a3d6df.zip gcc-ddaad23e2f49a91ab59f87f31b01e57439a3d6df.tar.gz gcc-ddaad23e2f49a91ab59f87f31b01e57439a3d6df.tar.bz2 | |
Use OEP_MATCH_SIDE_EFFECTS in compare_ao_refs
* tree-ssa-alias.c (ao_compare::compare_ao_refs,
ao_compare::hash_ao_ref): Use OEP_MATCH_SIDE_EFFECTS.
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 5ebbb08..311ce66 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -3985,11 +3985,12 @@ ao_compare::compare_ao_refs (ao_ref *ref1, ao_ref *ref2, return SEMANTICS; /* Now we can compare the address of actual memory access. */ - if (!operand_equal_p (r1, r2, OEP_ADDRESS_OF)) + if (!operand_equal_p (r1, r2, OEP_ADDRESS_OF | OEP_MATCH_SIDE_EFFECTS)) return SEMANTICS; } /* For constant accesses we get more matches by comparing offset only. */ - else if (!operand_equal_p (base1, base2, OEP_ADDRESS_OF)) + else if (!operand_equal_p (base1, base2, + OEP_ADDRESS_OF | OEP_MATCH_SIDE_EFFECTS)) return SEMANTICS; /* We can't simply use get_object_alignment_1 on the full @@ -4197,11 +4198,11 @@ ao_compare::hash_ao_ref (ao_ref *ref, bool lto_streaming_safe, bool tbaa, r = TREE_OPERAND (r, 0); } hash_operand (TYPE_SIZE (TREE_TYPE (ref->ref)), hstate, 0); - hash_operand (r, hstate, OEP_ADDRESS_OF); + hash_operand (r, hstate, OEP_ADDRESS_OF | OEP_MATCH_SIDE_EFFECTS); } else { - hash_operand (tbase, hstate, OEP_ADDRESS_OF); + hash_operand (tbase, hstate, OEP_ADDRESS_OF | OEP_MATCH_SIDE_EFFECTS); hstate.add_poly_int (ref->offset); hstate.add_poly_int (ref->size); hstate.add_poly_int (ref->max_size); |