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, 45 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/20020206-1.c b/gcc/testsuite/gcc.dg/20020206-1.c
new file mode 100644
index 000000000..837718b6c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20020206-1.c
@@ -0,0 +1,45 @@
+/* This code is from the beginning of combine_reloads in reload.c in
+   GCC 3.1-20020117, with simplifications.  It compiled incorrectly
+   for -O2 -fprefetch-loop-arrays for ix86 targets.  */
+
+/* { dg-do run } */
+/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
+/* { dg-options "-O2 -fprefetch-loop-arrays -mtune=pentium3 -w" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+
+struct reload
+{
+  int first_member;
+  int out;
+  int final_member;
+};
+
+int n_reloads;
+struct reload rld[10];
+
+static int
+combine_reloads ()
+{
+  int i;
+  int output_reload = -1;
+  int secondary_out = -1;
+
+  for (i = 0; i < n_reloads; i++)
+    if (rld[i].out != 0)
+      {
+	if (output_reload >= 0)
+	  return output_reload;
+	output_reload = i;
+      }
+  return output_reload;
+}
+
+int
+main ()
+{
+  n_reloads = 4;
+  rld[2].out = 2;
+  if (combine_reloads () != 2)
+    abort ();
+  exit (0);
+}