From dc4c8dd9dbe70740ec7a684b0f35620249fb036a Mon Sep 17 00:00:00 2001
From: segher <segher@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 30 Aug 2019 13:53:11 +0000
Subject: [PATCH] 	Backport from trunk 	2019-08-23  Segher Boessenkool
  <segher@kernel.crashing.org>

gcc/testsuite/
	PR target/91481
	* gcc.target/powerpc/darn-3.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@275176 138bc75d-0d04-0410-961f-82ee72b054a4

Upstream-Status: Backport
CVE: CVE-2019-15847 p3
Affects <= 9.2.0
Dropped Changelog changes
Signed-off-by: Armin Kuster <akuster@mvista.com>

---
 gcc/testsuite/ChangeLog                   |  6 ++++++
 gcc/testsuite/gcc.target/powerpc/darn-3.c | 16 ++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/powerpc/darn-3.c

Index: gcc-9.2.0/gcc/testsuite/gcc.target/powerpc/darn-3.c
===================================================================
--- /dev/null
+++ gcc-9.2.0/gcc/testsuite/gcc.target/powerpc/darn-3.c
@@ -0,0 +1,16 @@
+/* { dg-do compile { target { powerpc*-*-* } } } */
+/* { dg-skip-if "" { powerpc*-*-aix* } } */
+/* { dg-options "-O2 -mdejagnu-cpu=power9" } */
+
+static int darn32(void) { return __builtin_darn_32(); }
+
+int four(void)
+{
+	int sum = 0;
+	int i;
+	for (i = 0; i < 4; i++)
+		sum += darn32();
+	return sum;
+}
+
+/* { dg-final { scan-assembler-times {(?n)\mdarn .*,0\M} 4 } } */
Index: gcc-9.2.0/gcc/testsuite/ChangeLog
===================================================================
--- gcc-9.2.0.orig/gcc/testsuite/ChangeLog
+++ gcc-9.2.0/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2019-08-30  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	Backport from trunk
+	2019-08-23  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/91481
+	* gcc.target/powerpc/darn-3.c: New testcase.
+
 2019-08-12  Release Manager
 
 	* GCC 9.2.0 released.