https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67781
--- Comment #14 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> --- Author: thopre01 Date: Fri Jan 8 09:21:19 2016 New Revision: 232154 URL: https://gcc.gnu.org/viewcvs?rev=232154&root=gcc&view=rev Log: 2016-01-08 Thomas Preud'homme <thomas.preudho...@arm.com> gcc/ PR tree-optimization/67781 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg and cmpnop in two steps: first the ones not accessed in original gimple expression in a endian independent way and then the ones not accessed in the final result in an endian-specific way. gcc/testsuite/ PR tree-optimization/67781 * gcc.c-torture/execute/pr67781.c: New file. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr67781.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-math-opts.c
