https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117141
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Pan Li <pa...@gcc.gnu.org>: https://gcc.gnu.org/g:97f98855d4157a2511a713129ec77740fe6f88dc commit r15-4354-g97f98855d4157a2511a713129ec77740fe6f88dc Author: Pan Li <pan2...@intel.com> Date: Tue Oct 15 07:30:13 2024 +0800 Match: Remove dup match pattern for signed_integer_sat_sub [PR117141] This patch would like to fix the warning as below: /home/slyfox/dev/git/gcc/gcc/match.pd:3424:3 warning: duplicate pattern (cond^ (ne (imagpart (IFN_SUB_OVERFLOW:c@2 @0 @1)) integer_zerop) ^ /home/slyfox/dev/git/gcc/gcc/match.pd:3397:3 warning: previous pattern defined here (cond^ (ne (imagpart (IFN_SUB_OVERFLOW@2 @0 @1)) integer_zerop) The second has a optional nop_convert which allows for the first one, thus remove the dup one. The below test suites are passed for this patch. * The rv64gcv fully regression test. * The x86 bootstrap test. * The x86 fully regression test. PR middle-end/117141 gcc/ChangeLog: * match.pd: Remove the dup pattern for signed SAT_SUB. Signed-off-by: Pan Li <pan2...@intel.com>
