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| author | Richard Biener <rguenther@suse.de> | 2015-10-26 13:27:59 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2015-10-26 13:27:59 +0000 |
| commit | a9658b115b061ddb02bc809d5923cb14b0678256 (patch) | |
| tree | 95adc7b03c0c7e89d85b943b91bc9127c3ae28ec /gcc | |
| parent | 48bb06a77e71672e09f409b719b76c3388cc3b99 (diff) | |
| download | gcc-a9658b115b061ddb02bc809d5923cb14b0678256.zip gcc-a9658b115b061ddb02bc809d5923cb14b0678256.tar.gz gcc-a9658b115b061ddb02bc809d5923cb14b0678256.tar.bz2 | |
match.pd ((A & ~B) - (A & B) -> (A ^ B) - B): Add missing :c.
2015-10-26 Richard Biener <rguenther@suse.de>
* match.pd ((A & ~B) - (A & B) -> (A ^ B) - B): Add missing :c.
( (X & ~Y) | (~X & Y) -> X ^ Y): Remove redundant :c.
From-SVN: r229360
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/match.pd | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2438005..237299e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-10-26 Richard Biener <rguenther@suse.de> + + * match.pd ((A & ~B) - (A & B) -> (A ^ B) - B): Add missing :c. + ( (X & ~Y) | (~X & Y) -> X ^ Y): Remove redundant :c. + 2015-10-26 Alan Hayward <alan.hayward@arm.com> * tree-vect-loop.c (vect_create_epilog_for_reduction): Fix diff --git a/gcc/match.pd b/gcc/match.pd index 00c6e7c..fa927b0 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -462,7 +462,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) /* Fold (A & ~B) - (A & B) into (A ^ B) - B. */ (simplify - (minus (bit_and:cs @0 (bit_not @1)) (bit_and:s @0 @1)) + (minus (bit_and:cs @0 (bit_not @1)) (bit_and:cs @0 @1)) (minus (bit_xor @0 @1) @1)) (simplify (minus (bit_and:s @0 INTEGER_CST@2) (bit_and:s @0 INTEGER_CST@1)) @@ -476,7 +476,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) /* Simplify (X & ~Y) | (~X & Y) -> X ^ Y. */ (simplify - (bit_ior:c (bit_and:c @0 (bit_not @1)) (bit_and:c (bit_not @0) @1)) + (bit_ior (bit_and:c @0 (bit_not @1)) (bit_and:c (bit_not @0) @1)) (bit_xor @0 @1)) (simplify (bit_ior:c (bit_and @0 INTEGER_CST@2) (bit_and (bit_not @0) INTEGER_CST@1)) |