From: Janis Johnson <janis187@us.ibm.com>
Date: Fri, 1 Feb 2002 19:01:55 +0000 (+0000)
Subject: re PR target/5469 ([IA64] ia64 arc profiling can use the wrong global pointer)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=91f5782d977b00942816b1401794c17b3bffaffe;p=gcc.git

re PR target/5469 ([IA64] ia64 arc profiling can use the wrong global pointer)

	PR target/5469
	* gcc.dg/20020201-1.c: New test.

From-SVN: r49402
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8a435e28a4a..3be0340d052 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-01  Janis Johnson  <janis187@us.ibm.com>
+
+	PR target/5469
+	* gcc.dg/20020201-1.c: New test.
+
 2002-02-01  David.Billinghurst <David.Billinghurst@riotinto.com>
 
 	PR fortran/3743
diff --git a/gcc/testsuite/gcc.dg/20020201-1.c b/gcc/testsuite/gcc.dg/20020201-1.c
new file mode 100644
index 00000000000..11326378a0a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20020201-1.c
@@ -0,0 +1,37 @@
+/* Check that arc profiling instrumentation code does not cause problems for
+   a program that calls functions that are likely to be in a shared library.
+   This was added to check the fix for PR target/5469, which prevents arc
+   profiling code from being inserted between a call and the restore of the
+   call-clobbered global pointer.  */
+
+/* { dg-options "-fprofile-arcs" } */
+/* { dg-do run { target native } } */
+
+int rand (void);
+void srand (unsigned int seed);
+
+int globvar;
+
+void
+leave (int i)
+{
+  if (i != 0)
+    abort ();
+  exit (0);
+}
+
+void
+doit ()
+{
+  srand (12);
+  globvar = rand ();
+  if (rand () > 0)
+    globvar = 0;
+  leave (globvar);
+}
+
+int
+main ()
+{
+  doit ();
+}