https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110843
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Roger Sayle <sa...@gcc.gnu.org>: https://gcc.gnu.org/g:129feec0ba4f8ce74edf1fdf7da37b54968d3d37 commit r14-2874-g129feec0ba4f8ce74edf1fdf7da37b54968d3d37 Author: Roger Sayle <ro...@nextmovesoftware.com> Date: Mon Jul 31 08:08:11 2023 +0100 [Committed] PR target/110843: Check TARGET_AVX512VL for V2DI rotates in STV. This patch resolves PR target/110843, an ICE caused by my enhancement to support AVX512 DImode and SImode rotates in the scalar-to-vector (STV) pass. Although the vprotate instructions are available on all TARGET_AVX512F microarchitectures, the V2DI and V4SI variants are only available on the TARGET_AVX512VL subset, leading to problems when command line options enable AVX512 (i.e. AVX512F) but not the required AVX512VL functionality. The simple fix is to update/correct the target checks. 2023-07-31 Roger Sayle <ro...@nextmovesoftware.com> gcc/ChangeLog PR target/110843 * config/i386/i386-features.cc (compute_convert_gain): Check TARGET_AVX512VL (not TARGET_AVX512F) when considering V2DImode and V4SImode rotates in STV. (general_scalar_chain::convert_rotate): Likewise. gcc/testsuite/ChangeLog PR target/110843 * gcc.target/i386/pr110843.c: New test case.
