https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100182
--- Comment #34 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Uros Bizjak <u...@gcc.gnu.org>: https://gcc.gnu.org/g:ff3a8cd277752fd6167c39c00391662e47f1d1c0 commit r10-9992-gff3a8cd277752fd6167c39c00391662e47f1d1c0 Author: Uros Bizjak <ubiz...@gmail.com> Date: Tue Jul 20 06:36:02 2021 +0200 i386: Remove atomic_storedi_fpu and atomic_loaddi_fpu peepholes [PR100182] These patterns result in non-atomic sequence. 2021-07-21 Uroš Bizjak <ubiz...@gmail.com> gcc/ PR target/100182 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu): Remove. (define_peephole2 atomic_loaddi_fpu): Ditto. gcc/testsuite/ PR target/100182 * gcc.target/i386/pr71245-1.c: Remove. * gcc.target/i386/pr71245-2.c: Ditto.