[PATCH] Adjust some patterns wrt :c
Richard Biener
rguenther@suse.de
Mon Oct 26 13:29:00 GMT 2015
This removes the genmatch warnings.
Bootstrapped / tested on x86_64-unknown-linux-gnu, applied.
Richard.
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.
Index: gcc/match.pd
===================================================================
--- gcc/match.pd (revision 229307)
+++ gcc/match.pd (working copy)
@@ -435,7 +435,7 @@ (define_operator_list RINT BUILT_IN_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))
@@ -449,7 +449,7 @@ (define_operator_list RINT BUILT_IN_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))
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