From: Richard Biener <rguenther@suse.de>
Date: Tue, 25 Jun 2019 07:30:44 +0000 (+0000)
Subject: re PR tree-optimization/90930 (Excessive memory consumption)
X-Git-Tag: releases/gcc-9.2.0~207
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e4024c1f12011d9d7262576f30f8b8562f746d6;p=thirdparty%2Fgcc.git

re PR tree-optimization/90930 (Excessive memory consumption)

2019-06-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90930
	* tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
	flag on new stmts to avoid re-processing them.

From-SVN: r272636
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 284b85f99d15..b2534affc4b5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-21  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/90930
+	* tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
+	flag on new stmts to avoid re-processing them.
+
 2019-06-24  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/90930
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 32bff9794166..7161c4c36c38 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -4812,6 +4812,7 @@ rewrite_expr_tree_parallel (gassign *stmt, int width,
       else
 	{
 	  stmts[i] = build_and_add_sum (TREE_TYPE (last_rhs1), op1, op2, opcode);
+	  gimple_set_visited (stmts[i], true);
 	}
       if (dump_file && (dump_flags & TDF_DETAILS))
 	{