[Bug target/91385] Zero-extended negation (*negsi2_1_zext) is not generated

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91385

--- Comment #2 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed Aug  7 18:34:11 2019
New Revision: 274183

URL: https://gcc.gnu.org/viewcvs?rev=274183&root=gcc&view=rev
Log:
        PR target/91385
        * config/i386/sse.md (*negsi2_1_zext): Simplify insn pattern.
        (*negsi2_cmpz_zext): Ditto.

testsuite/ChangeLog:

        PR target/91385
        * gcc.target/i386/pr91385.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr91385.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog