[Bug tree-optimization/87657] [9 Regression] SLP ICE in libgfortran matmul_i2_vanilla

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87657

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 19 14:27:57 2018
New Revision: 265316

URL: https://gcc.gnu.org/viewcvs?rev=265316&root=gcc&view=rev
Log:
2018-10-19  Richard Biener  <rguent...@suse.de>

        PR target/87657
        * config/i386/i386.c (ix86_builtin_vectorization_cost): Use
        TYPE_VECTOR_SUBPARTS and avoid relying on vector mode.

        * gcc.target/i386/pr87657.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr87657.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog