[Bug target/99133] Power10 xxspltiw, xxspltidp, xxsplti32dx instructions need to be marked as prefixed

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99133

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pat Haugen <pthaugen@gcc.gnu.org>:

https://gcc.gnu.org/g:ea9a39e63eba1ba72aa3608317d1c40ae6bcef55

commit r11-7939-gea9a39e63eba1ba72aa3608317d1c40ae6bcef55
Author: Pat Haugen <pthaugen@linux.ibm.com>
Date:   Wed Mar 31 14:37:24 2021 -0500

    Update prefixed attribute for Power10.

    This patch creates a new attribute, "maybe_prefixed", which is used to mark
    those instructions that may have a prefixed form. The existing "prefixed"
    attribute is now used to mark all instructions that are prefixed form.

    2021-03-31  Pat Haugen  <pthaugen@linux.ibm.com>

    gcc/
            PR target/99133
            * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
            xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
            xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
            * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
            mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
            mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
            Likewise.
            * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
            * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
            (define_attr "prefixed"): Update initializer.