[Bug middle-end/71626] [4.9/5/6/7 regression] ICE at -O1 and above on x86_64-linux-gnu (in output_constant_pool_2, at varasm.c:3837)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71626

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jun 28 18:31:42 2016
New Revision: 237826

URL: https://gcc.gnu.org/viewcvs?rev=237826&root=gcc&view=rev
Log:
        PR middle-end/71626
        * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
        a constant, force its SUBREG_REG into memory or register instead
        of whole op1.

        * gcc.c-torture/execute/pr71626-1.c: New test.
        * gcc.c-torture/execute/pr71626-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr71626-1.c
    trunk/gcc/testsuite/gcc.c-torture/execute/pr71626-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog