From: Kugan Vivekanandarajah <kuganv@linaro.org>
Date: Tue, 24 May 2016 22:29:27 +0000 (+0000)
Subject: tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb when there is... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2bc145afaa6db175fa6d6e7556432ad27f13289b;p=gcc.git

tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb when there is stmt_to_insert.

gcc/ChangeLog:

2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
	when there is stmt_to_insert.


gcc/testsuite/ChangeLog:

2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* gcc.dg/tree-ssa/reassoc-44.c: New test.

From-SVN: r236673
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b07aa808891..238cd07178d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	* tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
+	when there is stmt_to_insert.
+
 2016-05-24  Martin Sebor  <msebor@redhat.com>
 
 	PR c++/71147
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a2821a7c9c7..d81eedda023 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	* gcc.dg/tree-ssa/reassoc-44.c: New test.
+
 2016-05-24  Pat Haugen  <pthaugen@us.ibm.com>
 
 	PR target/71050
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-44.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-44.c
new file mode 100644
index 00000000000..1d946f6b604
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-44.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+unsigned int a;
+int b, c;
+void fn1 ()
+{
+  b = a + c + c;
+}
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 3b0266767a3..c9ed6795679 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -519,6 +519,8 @@ sort_by_operand_rank (const void *pa, const void *pb)
 	 See PR60418.  */
       if (!SSA_NAME_IS_DEFAULT_DEF (oea->op)
 	  && !SSA_NAME_IS_DEFAULT_DEF (oeb->op)
+	  && !oea->stmt_to_insert
+	  && !oeb->stmt_to_insert
 	  && SSA_NAME_VERSION (oeb->op) != SSA_NAME_VERSION (oea->op))
 	{
 	  gimple *stmta = SSA_NAME_DEF_STMT (oea->op);