https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>: https://gcc.gnu.org/g:d4175a5d9bb8fe0a62baeff748a18efe884c97c6 commit r11-8637-gd4175a5d9bb8fe0a62baeff748a18efe884c97c6 Author: liuhongt <hongtao....@intel.com> Date: Wed Apr 28 14:52:59 2021 +0800 Fix ICE for vpexpand*. gcc/ChangeLog PR target/100310 * config/i386/i386-expand.c (ix86_expand_special_args_builtin): Keep constm1_operand only if it satisfies insn's operand predicate. gcc/testsuite/ChangeLog PR target/100310 * gcc.target/i386/pr100310.c: New test.