re PR tree-optimization/50587 (ICE init_range_entry, at tree-ssa-reassoc.c:1698 cause...

	PR tree-optimization/50587
	* tree-ssa-reassoc.c (init_range_entry): Stop iterating when
	arg0 is not a SSA_NAME.

From-SVN: r179447

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 70c18ba..c39a1a7 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-03  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/50587
+       * tree-ssa-reassoc.c (init_range_entry): Stop iterating when
+       arg0 is not a SSA_NAME.
+
 2011-10-03  Richard Sandiford  <rdsandiford@googlemail.com>
 
        * ipa-inline-analysis.c (MAX_TIME): Update comment.

diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index f7c21e7..554ba3a 100644 (file)
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -1648,6 +1648,8 @@ init_range_entry (struct range_entry *r, tree exp)
 
       code = gimple_assign_rhs_code (stmt);
       arg0 = gimple_assign_rhs1 (stmt);
+      if (TREE_CODE (arg0) != SSA_NAME)
+       break;
       arg1 = gimple_assign_rhs2 (stmt);
       exp_type = TREE_TYPE (exp);
       loc = gimple_location (stmt);