Skip to content

R
riscv-gcc-1
Commit 1f600fea by Tom de Vries Committed by Tom de Vries
Options

Add param parloops-schedule 

2015-10-13  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/67476
	* doc/invoke.texi (@item parloops-schedule): New item.
	* params.def (PARAM_PARLOOPS_SCHEDULE): New DEFPARAMENUM5.
	* tree-parloops.c: Include params-enum.h.
	(create_parallel_loop): Handle PARAM_PARLOOPS_SCHEDULE.

	* testsuite/libgomp.c/autopar-3.c: New test.
	* testsuite/libgomp.c/autopar-4.c: New test.
	* testsuite/libgomp.c/autopar-5.c: New test.
	* testsuite/libgomp.c/autopar-6.c: New test.
	* testsuite/libgomp.c/autopar-7.c: New test.
	* testsuite/libgomp.c/autopar-8.c: New test.

From-SVN: r228756
parent d78182cc
Showing with 83 additions and 1 deletions
gcc/ChangeLog
2015-10-13 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/67476
* doc/invoke.texi (@item parloops-schedule): New item.
* params.def (PARAM_PARLOOPS_SCHEDULE): New DEFPARAMENUM5.
* tree-parloops.c: Include params-enum.h.
(create_parallel_loop): Handle PARAM_PARLOOPS_SCHEDULE.
2015-10-13 Tom de Vries <tom@codesourcery.com>
* Makefile.in (PARAMS_H, PLUGIN_HEADERS): Add params-enum.h.
* params-enum.h: New file.
* opts.c (handle_param): Handle case that param arg is a string.
gcc/doc/invoke.texi
......@@ -11133,6 +11133,10 @@ automaton. The default is 50.
Chunk size of omp schedule for loops parallelized by parloops. The default
is 0.
@item parloops-schedule
Schedule type of omp schedule for loops parallelized by parloops (static,
dynamic, guided, auto, runtime). The default is static.
@item max-ssa-name-query-depth
Maximum depth of recursion when querying properties of SSA names in things
like fold routines. One level of recursion corresponds to following a
......
gcc/params.def
......@@ -35,6 +35,11 @@ along with GCC; see the file COPYING3. If not see
- The maximum acceptable value for the parameter (if greater than
the minimum).
The DEFPARAMENUM<N> macro is similar, but instead of the minumum and maximum
arguments, it contains a list of <N> allowed strings, corresponding to
integer values 0..<N>-1. Note that the default argument needs to be
specified as one of the allowed strings, rather than an integer value.
Be sure to add an entry to invoke.texi summarizing the parameter. */
/* When branch is predicted to be taken with probability lower than this
......@@ -1153,6 +1158,13 @@ DEFPARAM (PARAM_PARLOOPS_CHUNK_SIZE,
"Chunk size of omp schedule for loops parallelized by parloops",
0, 0, 0)
DEFPARAMENUM5 (PARAM_PARLOOPS_SCHEDULE,
"parloops-schedule",
"Schedule type of omp schedule for loops parallelized by "
"parloops (static, dynamic, guided, auto, runtime)",
static,
static, dynamic, guided, auto, runtime)
DEFPARAM (PARAM_MAX_SSA_NAME_QUERY_DEPTH,
"max-ssa-name-query-depth",
"Maximum recursion depth allowed when querying a property of an"
......
gcc/tree-parloops.c
......@@ -58,6 +58,7 @@ along with GCC; see the file COPYING3. If not see
#include "cgraph.h"
#include "tree-ssa.h"
#include "params.h"
#include "params-enum.h"
/* This pass tries to distribute iterations of loops into several threads.
The implementation is straightforward -- for each loop we test whether its
......@@ -2086,8 +2087,31 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data,
gimple_cond_set_lhs (cond_stmt, cvar_base);
type = TREE_TYPE (cvar);
t = build_omp_clause (loc, OMP_CLAUSE_SCHEDULE);
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_STATIC;
int chunk_size = PARAM_VALUE (PARAM_PARLOOPS_CHUNK_SIZE);
enum PARAM_PARLOOPS_SCHEDULE_KIND schedule_type \
= (enum PARAM_PARLOOPS_SCHEDULE_KIND) PARAM_VALUE (PARAM_PARLOOPS_SCHEDULE);
switch (schedule_type)
{
case PARAM_PARLOOPS_SCHEDULE_KIND_static:
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_STATIC;
break;
case PARAM_PARLOOPS_SCHEDULE_KIND_dynamic:
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_DYNAMIC;
break;
case PARAM_PARLOOPS_SCHEDULE_KIND_guided:
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_GUIDED;
break;
case PARAM_PARLOOPS_SCHEDULE_KIND_auto:
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_AUTO;
chunk_size = 0;
break;
case PARAM_PARLOOPS_SCHEDULE_KIND_runtime:
OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_RUNTIME;
chunk_size = 0;
break;
default:
gcc_unreachable ();
}
if (chunk_size != 0)
OMP_CLAUSE_SCHEDULE_CHUNK_EXPR (t)
= build_int_cst (integer_type_node, chunk_size);
......
libgomp/ChangeLog
2015-10-13 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/67476
* testsuite/libgomp.c/autopar-3.c: New test.
* testsuite/libgomp.c/autopar-4.c: New test.
* testsuite/libgomp.c/autopar-5.c: New test.
* testsuite/libgomp.c/autopar-6.c: New test.
* testsuite/libgomp.c/autopar-7.c: New test.
* testsuite/libgomp.c/autopar-8.c: New test.
2015-10-12 James Norris <jnorris@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/vector-loop.c: Fix loop
......
libgomp/testsuite/libgomp.c/autopar-3.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=dynamic" } */
#include "autopar-1.c"
libgomp/testsuite/libgomp.c/autopar-4.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=dynamic --param parloops-chunk-size=100" } */
#include "autopar-1.c"
libgomp/testsuite/libgomp.c/autopar-5.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=guided" } */
#include "autopar-1.c"
libgomp/testsuite/libgomp.c/autopar-6.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=guided --param parloops-chunk-size=100" } */
#include "autopar-1.c"
libgomp/testsuite/libgomp.c/autopar-7.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=auto" } */
#include "autopar-1.c"
libgomp/testsuite/libgomp.c/autopar-8.c 0 → 100644
/* { dg-do run } */
/* { dg-additional-options "-ftree-parallelize-loops=4 -ffast-math --param parloops-schedule=runtime" } */
#include "autopar-1.c"
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment