[Bug target/70799] STV pass does not convert DImode shifts

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70799

--- Comment #10 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Apr 25 17:45:22 2017
New Revision: 247263

URL: https://gcc.gnu.org/viewcvs?rev=247263&root=gcc&view=rev
Log:
        PR target/70799
        * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
        Handle ASHIFTRT.
        (dimode_scalar_chain::compute_convert_gain): Ditto.
        (dimode_scalar_chain::make_vector_copies): Ditto.
        (dimode_scalar_chain::convert_reg): Ditto.
        (dimode_scalar_chain::convert_insn): Ditto.
        * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
        (VI248_AVX512BW_1): New mode iterator.
        (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
        <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
        mode iterator.

testsuite/ChangeLog:

        PR target/70799
        * gcc.target/i386/pr70799-5.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr70799-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog