[Bug target/88465] AVX512: optimize loading of constant values to kN registers

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Dec 12 16:31:00 GMT 2018


Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
                 CC|                            |hjl.tools at gmail dot com,
                   |                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I can't find any instruction that would set a mask register directly to an
immediate, besides the 0 and -1 cases you've mentioned (which could be used
also for 255, 65535 and 0xffffffff constants).

More information about the Gcc-bugs mailing list