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, 13 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/bmi-4.c b/gcc/testsuite/gcc.target/i386/bmi-4.c
new file mode 100644
index 000000000..e0a116162
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/bmi-4.c
@@ -0,0 +1,13 @@
+/* { dg-do link } */
+/* { dg-options "-O2 -mbmi" } */
+
+#include <x86intrin.h>
+
+/* Test that a constant operand 0 to tzcnt gets folded.  */
+extern void link_error(void);
+int main()
+{
+  if (__tzcnt_u32(0) != 32)
+    link_error();
+  return 0;
+}