[Bug target/104188] [11/12 Regression] gcc omitting AVX-512 broadcast instruction

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104188

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by H.J. Lu <h...@gcc.gnu.org>:

https://gcc.gnu.org/g:520147ba19db8034b1f911326beee104da606daa

commit r11-9489-g520147ba19db8034b1f911326beee104da606daa
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Sat Jan 22 12:04:30 2022 -0800

    x86: Also check mode of memory broadcast in bcst_mem_operand

    Return false for invalid mode on memory broadcast in bcst_mem_operand:

    (vec_duplicate:V16SF (mem/j:V4SF (reg/v/f:DI 109 [ b ])))

    gcc/

            PR target/104188
            * config/i386/predicates.md (bcst_mem_operand): Also check mode
            of memory broadcast.

    gcc/testsuite/

            PR target/104188
            * gcc.target/i386/pr104188.c: New test.

    (cherry picked from commit 4d2321314a656dd3e30117e2a5266cbacb1e60eb)