https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117927
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
So
--- gcc/match.pd.jj 2024-12-05 18:29:46.246399098 +0100
+++ gcc/match.pd 2024-12-06 09:38:35.670473040 +0100
@@ -4981,7 +4981,8 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
orotate (rrotate lrotate)
(simplify
(rotate @0 (minus INTEGER_CST@1 @2))
- (if (element_precision (TREE_TYPE (@0)) == wi::to_wide (@1))
+ (if (element_precision (TREE_TYPE (@0)) == wi::to_wide (@1)
+ && tree_expr_nonzero_p (@2))
(orotate @0 @2))))
/* Turn (a OP c1) OP c2 into a OP (c1+c2). */
plus adjust the testcase?
And I think we want to extend the r15-5635, r15-5657, r15-5731 changes to
rotates as well.
