[Bug target/52933] SH Target: Use div0s for integer sign comparisons

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52933

--- Comment #8 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Author: olegendo
Date: Fri May  6 09:52:35 2016
New Revision: 235952

URL: https://gcc.gnu.org/viewcvs?rev=235952&root=gcc&view=rev
Log:
gcc/
        PR target/52933
        * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
        * config/sh/sh.c (sh_rtx_costs): Add another div0s case.

gcc/testsuite/
        PR target/52933
        * gcc.target/sh/pr52933-1.c (test_31, test_32, test_33, test_34,
        test_35, test_36, test_37, test_38, test_39, test_40): New sub-tests.
        Adjust expected instruction counts.
        * gcc.target/sh/pr52933-2.c: Adjust expected instruction counts.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/sh.c
    trunk/gcc/config/sh/sh.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/sh/pr52933-1.c
    trunk/gcc/testsuite/gcc.target/sh/pr52933-2.c