https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110986
--- Comment #24 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Andrew Pinski <pins...@gcc.gnu.org>: https://gcc.gnu.org/g:bcc5054b36626459ddb04c779f0b201fba6001d1 commit r14-4831-gbcc5054b36626459ddb04c779f0b201fba6001d1 Author: Andrew Pinski <pins...@gmail.com> Date: Wed Oct 18 16:39:12 2023 -0700 aarch64: Emit csinv again for `a ? ~b : b` [PR110986] After r14-3110-g7fb65f10285, the canonical form for `a ? ~b : b` changed to be `-(a) ^ b` that means for aarch64 we need to add a few new insn patterns to be able to catch this and change it to be what is the canonical form for the aarch64 backend. A secondary pattern was needed to support a zero_extended form too; this adds a testcase for all 3 cases. Bootstrapped and tested on aarch64-linux-gnu with no regressions. PR target/110986 gcc/ChangeLog: * config/aarch64/aarch64.md (*cmov<mode>_insn_insv): New pattern. (*cmov_uxtw_insn_insv): Likewise. gcc/testsuite/ChangeLog: * gcc.target/aarch64/cond_op-1.c: New test.