[Bug target/63910] [5 Regression] ICE: simplify_immed_subreg, at simplify-rtx.c:5519 with -mstringop-strategy=vector_loop -mavx512f

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63910

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Nov 21 09:23:26 2014
New Revision: 217908

URL: https://gcc.gnu.org/viewcvs?rev=217908&root=gcc&view=rev
Log:
    PR target/63910
    * simplify-rtx.c (simplify_immed_subreg): Return NULL for integer
    modes wider than MAX_BITSIZE_MODE_ANY_INT.  If not using
    CONST_WIDE_INT, make sure r fits into CONST_DOUBLE.

    * gcc.target/i386/pr63910.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr63910.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog