[Bug target/69551] [4.9/5/6 Regression] Wrong code with single element vector insert

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69551

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jan 29 14:14:56 2016
New Revision: 232982

URL: https://gcc.gnu.org/viewcvs?rev=232982&root=gcc&view=rev
Log:
        PR target/69551
        * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
        SSE1, copy target into the temporary reg first before recursing
        on it.

        * gcc.target/i386/pr69551.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr69551.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog