[Bug target/25112] [m68k] Suboptimal equality comparisons with small integers

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25112

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Nov 18 21:52:32 2016
New Revision: 242605

URL: https://gcc.gnu.org/viewcvs?rev=242605&root=gcc&view=rev
Log:
        PR target/25112
        * config/m68k/m68k.c (moveq feeding equality comparison): New
        peepholes.
        * config/m68k/predicates.md (addq_subq_operand): New predicate.
        (equality_comparison_operator): Likewise.

        PR target/25112
        * gcc.target/m68k/pr25112: New test.

Added:
    trunk/gcc/testsuite/gcc.target/m68k/pr25112.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/m68k/m68k.md
    trunk/gcc/config/m68k/predicates.md
    trunk/gcc/testsuite/ChangeLog