From: Sebastian Pop <sebastian.pop@amd.com>
Date: Tue, 25 Jan 2011 06:48:20 +0000 (+0000)
Subject: Move rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
X-Git-Tag: releases/gcc-4.6.0~996
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ac53c0698a1eea50ce05c00d9e7d088c7e43f916;p=thirdparty%2Fgcc.git

Move rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Move
	rewrite_commutative_reductions_out_of_ssa before
	find_scop_parameters.

From-SVN: r169217
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4891065bdb24..755cb45f9d30 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-sese-to-poly.c (build_poly_scop): Move
+	rewrite_commutative_reductions_out_of_ssa before
+	find_scop_parameters.
+
 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 3b81049b05ef..c61136894ce4 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,3 +1,9 @@
+2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-sese-to-poly.c (build_poly_scop): Move
+	rewrite_commutative_reductions_out_of_ssa before
+	find_scop_parameters.
+
 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR tree-optimization/46970
diff --git a/gcc/graphite-sese-to-poly.c b/gcc/graphite-sese-to-poly.c
index 35a231655f12..3f419c8bc5f7 100644
--- a/gcc/graphite-sese-to-poly.c
+++ b/gcc/graphite-sese-to-poly.c
@@ -3159,6 +3159,9 @@ build_poly_scop (scop_p scop)
   if (!scop_ivs_can_be_represented (scop))
     return;
 
+  if (flag_associative_math)
+    rewrite_commutative_reductions_out_of_ssa (scop);
+
   build_sese_loop_nests (region);
   build_sese_conditions (region);
   find_scop_parameters (scop);
@@ -3175,8 +3178,6 @@ build_poly_scop (scop_p scop)
      representation to the polyhedral representation to avoid scev
      analysis failures.  That means that these functions will insert
      new data references that they create in the right place.  */
-  if (flag_associative_math)
-    rewrite_commutative_reductions_out_of_ssa (scop);
   rewrite_reductions_out_of_ssa (scop);
   rewrite_cross_bb_scalar_deps_out_of_ssa (scop);