https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105414
--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by HaoChen Gui <guih...@gcc.gnu.org>: https://gcc.gnu.org/g:344e425340e3c8e4539b43bf8f661e02c5a5b9a0 commit r13-280-g344e425340e3c8e4539b43bf8f661e02c5a5b9a0 Author: Haochen Gui <guih...@gcc.gnu.org> Date: Mon May 9 17:34:23 2022 +0800 This patch skips constant folding for fmin/max when either argument is sNaN. According to C standard, fmin(sNaN, sNaNï¼= qNaN, fmin(sNaN, NaN) = qNaN. gcc/ PR target/105414 * match.pd (minmax): Skip constant folding for fmin/fmax when both arguments are sNaN or one is sNaN and another is NaN. gcc/testsuite/ PR target/105414 * gcc.dg/pr105414.c: New.
