obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 43 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/torture/calleesave-sse.c b/gcc/testsuite/gcc.dg/torture/calleesave-sse.c
new file mode 100644
index 000000000..292791c72
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/calleesave-sse.c
@@ -0,0 +1,43 @@
+/* { dg-do run } */
+/* { dg-options "-fno-omit-frame-pointer" } */
+
+#define alloca __builtin_alloca
+extern void abort (void);
+
+__attribute__ ((noinline)) static double
+bar (double a, double b, double c, double d, char *h)
+{
+  *h = 0;
+  return a * b + b + c;
+}
+
+__attribute__ ((noinline)) static int
+boo (double a, double b, double c, double d)
+{
+  return c * b + a + b;
+}
+
+__attribute__ ((noinline)) static double
+foo (double a, double b, double c, double d)
+{
+ int aa = boo (b, c, d, a);
+ return bar (a, b, c, d, (char *) alloca (aa))
+	+ bar (d, c, b, a, (char *) alloca (aa));
+}
+
+int main ()
+{
+  double a = 2.0, b = 3.0, c = 4.0, d = 5.0;
+  double r1, r2;
+  int aa;
+
+  aa = boo (b, c, d, a);
+  r1 = bar (a, b, c, d, (char *) alloca (aa))
+       + bar (d, c, b, a, (char *) alloca (aa));
+  r2 = foo (a, b, c, d);
+
+  if (r1 != r2)
+    abort ();
+  return 0;
+}
+