[Bug target/57896] [4.7/4.8/4.9 Regression] ICE in expand_expr_real_2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57896

--- Comment #32 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Feb 20 20:40:52 2014
New Revision: 207970

URL: http://gcc.gnu.org/viewcvs?rev=207970&root=gcc&view=rev
Log:
    PR target/57896
    * config/i386/i386.c (expand_vec_perm_interleave2): Don't call
    gen_reg_rtx if d->testing_p.
    (expand_vec_perm_pshufb2, expand_vec_perm_even_odd_1,
    expand_vec_perm_broadcast_1): Return early if d->testing_p and
    we will certainly return true.

Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/i386/i386.c