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[Bug middle-end/54219] [4.8 Regression] __builtin_shuffle mask reversed
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Aug 2012 13:35:40 +0000
- Subject: [Bug middle-end/54219] [4.8 Regression] __builtin_shuffle mask reversed
- Auto-submitted: auto-generated
- References: <bug-54219-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54219
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-08-10 13:35:40 UTC ---
Author: rguenth
Date: Fri Aug 10 13:35:34 2012
New Revision: 190297
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190297
Log:
2012-08-10 Richard Guenther <rguenther@suse.de>
PR middle-end/54219
* fold-const.c (fold_ternary_loc): Do not reverse the mask
when canonicalizing it when folding VEC_PERM_EXPR.
* gcc.dg/torture/vector-shuffle1.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/vector-shuffle1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog