[Bug target/93089] Force mprefer-vector-width=512 in 'e' simd clones

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93089

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jan  3 10:12:31 2020
New Revision: 279856

URL: https://gcc.gnu.org/viewcvs?rev=279856&root=gcc&view=rev
Log:
        PR target/93089
        * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
        entry.
        (mprefer-vector-width=): Add Save.
        * config/i386/i386-options.c (ix86_target_string): Add PVW argument,
print
        -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
        (ix86_debug_options, ix86_function_specific_print): Adjust
        ix86_target_string callers.
        (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
        (ix86_valid_target_attribute_tree): Likewise.
        * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
        * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
        ix86_target_string caller.

        * gcc.target/i386/pr93089-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr93089-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-expand.c
    trunk/gcc/config/i386/i386-options.c
    trunk/gcc/config/i386/i386-options.h
    trunk/gcc/config/i386/i386.opt
    trunk/gcc/testsuite/ChangeLog