https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113510
--- Comment #8 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Earnshaw <rearn...@gcc.gnu.org>: https://gcc.gnu.org/g:067a012bde15bfb62d9af309d9d524ebfe91b705 commit r14-9322-g067a012bde15bfb62d9af309d9d524ebfe91b705 Author: Richard Earnshaw <rearn...@arm.com> Date: Tue Mar 5 17:21:43 2024 +0000 arm: check for low register before applying peephole [PR113510] For thumb1, when using a peephole to fuse mov reg, #const add reg, reg, SP into add reg, SP, #const we must first check that reg is a low register, otherwise we will ICE when trying to recognize the resulting insn. gcc/ChangeLog: PR target/113510 * config/arm/thumb1.md (peephole2 to fuse mov imm/add SP): Use low_register_operand.
