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[4/8] Add pass_tree_loop_{init,done} to pass_oacc_kernels

Message ID 54678BAB.5000000@mentor.com
State New
Headers show

Commit Message

Tom de Vries Nov. 15, 2014, 5:21 p.m. UTC 
On 15-11-14 13:14, Tom de Vries wrote:
> Hi,
>
> I'm submitting a patch series with initial support for the oacc kernels directive.
>
> The patch series uses pass_parallelize_loops to implement parallelization of
> loops in the oacc kernels region.
>
> The patch series consists of these 8 patches:
> ...
>      1  Expand oacc kernels after pass_build_ealias
>      2  Add pass_oacc_kernels
>      3  Add pass_ch_oacc_kernels to pass_oacc_kernels
>      4  Add pass_tree_loop_{init,done} to pass_oacc_kernels
>      5  Add pass_loop_im to pass_oacc_kernels
>      6  Add pass_ccp to pass_oacc_kernels
>      7  Add pass_parloops_oacc_kernels to pass_oacc_kernels
>      8  Do simple omp lowering for no address taken var
> ...

This patch adds pass_tree_loop_init and pass_tree_loop_init_done to 
pass_oacc_kernels.

Pass_parallelize_loops is run between these passes in the pass group 
pass_tree_loop, since it requires loop information.  We do the same for 
pass_oacc_kernels.

OK for trunk?

Thanks,
- Tom
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Patch

2014-11-14  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Run pass_tree_loop_init and pass_tree_loop_done in pass
	group pass_oacc_kernels.
	* tree-ssa-loop.c (pass_tree_loop_init::clone)
	(pass_tree_loop_done::clone): New function.
---
 gcc/passes.def      | 2 ++
 gcc/tree-ssa-loop.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/gcc/passes.def b/gcc/passes.def
index 5eefe73..83f437b 100644
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -77,6 +77,8 @@  along with GCC; see the file COPYING3.  If not see
 	  NEXT_PASS (pass_oacc_kernels);
 	  PUSH_INSERT_PASSES_WITHIN (pass_oacc_kernels)
 	      NEXT_PASS (pass_ch_oacc_kernels);
+	      NEXT_PASS (pass_tree_loop_init);
+	      NEXT_PASS (pass_tree_loop_done);
 	  POP_INSERT_PASSES ()
 	  NEXT_PASS (pass_expand_omp_ssa);
 	  NEXT_PASS (pass_fre);
diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c
index c29aa22..c78b013 100644
--- a/gcc/tree-ssa-loop.c
+++ b/gcc/tree-ssa-loop.c
@@ -269,6 +269,7 @@  public:
 
   /* opt_pass methods: */
   virtual unsigned int execute (function *);
+  opt_pass * clone () { return new pass_tree_loop_init (m_ctxt); }
 
 }; // class pass_tree_loop_init
 
@@ -563,6 +564,7 @@  public:
 
   /* opt_pass methods: */
   virtual unsigned int execute (function *) { return tree_ssa_loop_done (); }
+  opt_pass * clone () { return new pass_tree_loop_done (m_ctxt); }
 
 }; // class pass_tree_loop_done
 
-- 
1.9.1