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

[ienkovich at gcc dot gnu.org]

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

--- Comment #3 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Tue May 10 16:08:42 2016
New Revision: 236090

URL: https://gcc.gnu.org/viewcvs?rev=236090&root=gcc&view=rev
Log:
gcc/

        PR target/70799
        * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
        integer constants.
        (dimode_scalar_chain::vector_const_cost): New.
        (dimode_scalar_chain::compute_convert_gain): Handle constants.
        (dimode_scalar_chain::convert_op): Likewise.
        (dimode_scalar_chain::convert_insn): Likewise.

gcc/testsuite/

        PR target/70799
        * gcc.target/i386/pr70799-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr70799-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog