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, 30 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr43280.c b/gcc/testsuite/gcc.dg/pr43280.c
new file mode 100644
index 000000000..dfb369b5d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr43280.c
@@ -0,0 +1,30 @@
+/* { dg-do run } */
+/* { dg-require-effective-target stdint_types } */
+/* { dg-options "-O2" } */
+
+#include <stdint.h>
+
+extern void abort (void);
+
+uint64_t __attribute__((noinline))
+byteswap64(uint64_t x)
+{
+  uint32_t a = x >> 32;
+  uint32_t b = (uint32_t) x;
+  return ((uint64_t) ((((((b)) >> (8)) | (((b)) << (32 - (8)))) & 0xff00ff00L)
+		      | (((((b)) << (8)) | (((b)) >> (32 - (8)))) & 0x00ff00ffL)) << 32)
+          | (uint64_t) ((((((a)) >> (8)) | (((a)) << (32 - (8)))) & 0xff00ff00L)
+			| (((((a)) << (8)) | (((a)) >> (32 - (8)))) & 0x00ff00ffL));
+}
+
+int
+main ()
+{
+  uint64_t in = (uint64_t)0x01020304 << 32 | 0x05060708;
+  uint64_t cmp = (uint64_t)0x08070605 << 32 | 0x04030201;
+
+  if (cmp != byteswap64 (in))
+    abort ();
+
+  return 0;
+}