https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110762
--- Comment #24 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>: https://gcc.gnu.org/g:831017d5e72173f2c58e5475b7fcd35ee07a601f commit r14-3032-g831017d5e72173f2c58e5475b7fcd35ee07a601f Author: liuhongt <hongtao....@intel.com> Date: Fri Aug 4 15:35:54 2023 +0800 i386: Clear upper bits of XMM register for V4HFmode/V2HFmode operations [PR110762] Similar like r14-2786-gade30fad6669e5, the patch is for V4HF/V2HFmode. gcc/ChangeLog: PR target/110762 * config/i386/mmx.md (<insn><mode>3): Changed from define_insn to define_expand and break into .. (<insn>v4hf3): .. this. (divv4hf3): .. this. (<insn>v2hf3): .. this. (divv2hf3): .. this. (movd_v2hf_to_sse): New define_expand. (movq_<mode>_to_sse): Extend to V4HFmode. (mmxdoublevecmode): Ditto. (V2FI_V4HF): New mode iterator. * config/i386/sse.md (*vec_concatv4sf): Extend to hanlde V8HF by using mode iterator V4SF_V8HF, renamed to .. (*vec_concat<mode>): .. this. (*vec_concatv4sf_0): Extend to handle V8HF by using mode iterator V4SF_V8HF, renamed to .. (*vec_concat<mode>_0): .. this. (*vec_concatv8hf_movss): New define_insn. (V4SF_V8HF): New mode iterator. gcc/testsuite/ChangeLog: * gcc.target/i386/pr110762-v4hf.c: New test.
