From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 19 Sep 2013 16:56:40 +0000 (+0200)
Subject: re PR tree-optimization/58472 (gomp4: ICE in in vectorizable_store, at tree-vect... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8928eff3b22eb391c3123714e3a15ec856c24f9c;p=gcc.git

re PR tree-optimization/58472 (gomp4: ICE in in vectorizable_store, at tree-vect-stmts.c:4192)

	PR tree-optimization/58472
	* tree-vect-stmts.c (vectorizable_store, vectorizable_load): For
	simd_lane_access set inv_p = false.
	* omp-low.c (lower_rec_input_clauses): Set TREE_NO_WARNING on
	the simduid magic VAR_DECL.

	* c-c++-common/gomp/pr58472.c: New test.

From-SVN: r202748
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index acf941874b9..1a12eda9188 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2013-09-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/58472
+	* tree-vect-stmts.c (vectorizable_store, vectorizable_load): For
+	simd_lane_access set inv_p = false.
+	* omp-low.c (lower_rec_input_clauses): Set TREE_NO_WARNING on
+	the simduid magic VAR_DECL.
+
 2013-09-19  Jan Hubicka  <jh@suse.cz>
 
 	* i386.c (generic_memcpy, generic_memset): Fix 32bit template.
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 304ea363600..fa9aca49a3a 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -2775,6 +2775,9 @@ lower_rec_input_clauses (tree clauses, gimple_seq *ilist, gimple_seq *dlist,
   if (lane)
     {
       tree uid = create_tmp_var (ptr_type_node, "simduid");
+      /* Don't want uninit warnings on simduid, it is always uninitialized,
+	 but we use it not for the value, but for the DECL_UID only.  */
+      TREE_NO_WARNING (uid) = 1;
       gimple g
 	= gimple_build_call_internal (IFN_GOMP_SIMD_LANE, 1, uid);
       gimple_call_set_lhs (g, lane);
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 135eb300ef1..fcea4d0654b 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -4182,6 +4182,7 @@ vectorizable_store (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
 	      dataref_ptr = unshare_expr (DR_BASE_ADDRESS (first_dr));
 	      dataref_offset = build_int_cst (reference_alias_ptr_type
 					      (DR_REF (first_dr)), 0);
+	      inv_p = false;
 	    }
 	  else
 	    dataref_ptr
@@ -5077,6 +5078,7 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
 	      dataref_ptr = unshare_expr (DR_BASE_ADDRESS (first_dr));
 	      dataref_offset = build_int_cst (reference_alias_ptr_type
 					      (DR_REF (first_dr)), 0);
+	      inv_p = false;
 	    }
 	  else
 	    dataref_ptr