https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77309
--- Comment #5 from Bernd Schmidt <bernds at gcc dot gnu.org> --- Author: bernds Date: Mon Dec 12 13:00:53 2016 New Revision: 243549 URL: https://gcc.gnu.org/viewcvs?rev=243549&root=gcc&view=rev Log: Backport from mainline 2016-11-07 Bernd Schmidt <bschm...@redhat.com> PR rtl-optimization/77309 * combine.c (make_compound_operation): Allow EQ for IN_CODE, and don't assume an equality comparison for plain COMPARE. (simplify_comparison): Pass a more accurate code to make_compound_operation. PR rtl-optimization/77309 * gcc.dg/torture/pr77309.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr77309.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/combine.c branches/gcc-6-branch/gcc/testsuite/ChangeLog
