[Bug tree-optimization/65468] Optimize static schedule with chunk_size one

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65468

--- Comment #3 from vries at gcc dot gnu.org ---
Author: vries
Date: Mon Aug 24 13:14:17 2015
New Revision: 227124

URL: https://gcc.gnu.org/viewcvs?rev=227124&root=gcc&view=rev
Log:
Optimize expand_omp_for_static_chunk for chunk_size one

2015-08-24  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65468
        * omp-low.c (expand_omp_for_static_chunk): Remove inner loop if
        chunk_size is one.

        * gcc.dg/gomp/static-chunk-size-one.c: New test.

        * testsuite/libgomp.c/static-chunk-size-one.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/gomp/static-chunk-size-one.c
    trunk/libgomp/testsuite/libgomp.c/static-chunk-size-one.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/omp-low.c
    trunk/gcc/testsuite/ChangeLog
    trunk/libgomp/ChangeLog