[Bug rtl-optimization/80425] Extra inter-unit register move with zero-extension

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80425

--- Comment #7 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Nov  7 18:51:22 2017
New Revision: 254505

URL: https://gcc.gnu.org/viewcvs?rev=254505&root=gcc&view=rev
Log:
        PR target/80425
        * config/i386.i386.md (*zero_extendsidi2): Change (?r,*Yj), (?*Yi,r)
        and (*x,m) to ($r,Yj), ($Yi,r) and ($x,m).
        (zero-extendsidi peephole2): Remove peephole.

testsuite/ChangeLog:

        PR target/80425
        * gcc.target/i386/pr80425-3.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr80425-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog