https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108589
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Philipp Tomsich <ptoms...@gcc.gnu.org>: https://gcc.gnu.org/g:a39c6ec97906766ad65d15d4856fd41121ee7a45 commit r13-5581-ga39c6ec97906766ad65d15d4856fd41121ee7a45 Author: Philipp Tomsich <philipp.toms...@vrull.eu> Date: Mon Jan 30 23:40:26 2023 +0100 PR target/108589 - Check REG_P for AARCH64_FUSE_ADDSUB_2REG_CONST1 This adds a check for REG_P on SET_DEST for the new idiom recognizer for AARCH64_FUSE_ADDSUB_2REG_CONST1. The reported ICE is only observable with checking=rtl. Bootstrapped/regtested aarch64-linux, committed. PR target/108589 gcc/ChangeLog: * config/aarch64/aarch64.cc (aarch_macro_fusion_pair_p): Check REG_P on SET_DEST. gcc/testsuite/ChangeLog: * gcc.target/aarch64/pr108589.c: New test.