r209724 - in /branches/google/gcc-4_8/gcc: conf...

[wmi@gcc.gnu.org]

Author: wmi
Date: Wed Apr 23 21:14:09 2014
New Revision: 209724

URL: http://gcc.gnu.org/viewcvs?rev=209724&root=gcc&view=rev
Log:
This patch is to merge movsd/movhpd pair written in intrinsics to movupd.
It is done in peephole, so it can only merge such pair when movsd/movhpd
are consecutive.

gcc/ChangeLog:

2014-04-23  Wei Mi  <wmi@google.com>

        * config/i386/i386.c (get_memref_parts): New function.
        (adjacent_mem_locations): Ditto.
        * config/i386/i386-protos.h: Add decl for adjacent_mem_locations.
        * config/i386/sse.md: Add define_peephole rule.

gcc/testsuite/ChangeLog:

2014-04-23  Wei Mi  <wmi@google.com>

        * gcc.target/i386/sse2-unaligned-mov.c: New test.

Added:
    branches/google/gcc-4_8/gcc/testsuite/gcc.target/i386/sse2-unaligned-mov.c
Modified:
    branches/google/gcc-4_8/gcc/config/i386/i386-protos.h
    branches/google/gcc-4_8/gcc/config/i386/i386.c
    branches/google/gcc-4_8/gcc/config/i386/sse.md