[Bug target/88425] suboptimal code for a<imm?-1:0

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88425

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Dec 11 14:50:22 2018
New Revision: 267023

URL: https://gcc.gnu.org/viewcvs?rev=267023&root=gcc&view=rev
Log:
        PR target/88425
        * config/i386/i386.md (*x86_mov<SWI48:mode>cc_0_m1_neg_leu<SWI:mode>):
        New define_insn_and_split.

        * gcc.target/i386/pr88425.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr88425.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog