From: Marek Polacek <polacek@redhat.com>
Date: Thu, 15 Oct 2015 13:22:47 +0000 (+0000)
Subject: tree-ssa-reassoc.c (attempt_builtin_copysign): Call gimple_call_builtin instead of... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=261e8f066b95ebc02530df8b78be14f911c73406;p=gcc.git

tree-ssa-reassoc.c (attempt_builtin_copysign): Call gimple_call_builtin instead of is_gimple_call.

	* tree-ssa-reassoc.c (attempt_builtin_copysign): Call
	gimple_call_builtin instead of is_gimple_call.

	* gcc.dg/tree-ssa/reassoc-42.c: New test.

From-SVN: r228843
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 380f1eed379..50c7f57e40f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-10-15  Marek Polacek  <polacek@redhat.com>
+
+	* tree-ssa-reassoc.c (attempt_builtin_copysign): Call
+	gimple_call_builtin instead of is_gimple_call.
+
 2015-10-15  Richard Biener  <rguenther@suse.de>
 
 	* tree-vect-stmts.c (vect_init_vector): Remove unused vars.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 631d8a7b613..181e5e482e0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-10-15  Marek Polacek  <polacek@redhat.com>
+
+	* gcc.dg/tree-ssa/reassoc-42.c: New test.
+
 2015-10-15  Marek Polacek  <polacek@redhat.com>
 
 	PR tree-optimization/67953
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-42.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-42.c
new file mode 100644
index 00000000000..9c8eb396e4d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-42.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-Ofast" } */
+
+double
+foo (double f(void))
+{
+  return 2. * f ();
+}
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 62438dd7027..45b8d467d48 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -4643,7 +4643,7 @@ attempt_builtin_copysign (vec<operand_entry *> *ops)
 	  && has_single_use (oe->op))
 	{
 	  gimple *def_stmt = SSA_NAME_DEF_STMT (oe->op);
-	  if (is_gimple_call (def_stmt))
+	  if (gimple_call_builtin_p (def_stmt, BUILT_IN_NORMAL))
 	    {
 	      tree fndecl = gimple_call_fndecl (def_stmt);
 	      tree arg0, arg1;