Upgrade gcc-4.4.3 for Android toolchain.

- Backport upstream patches to support arm hardfp.
- Backport gcc-4.5 patches to support -march=atom. Now it is
able to build atom toolchain with glibc from this branch
- Develop a bunch of optimizations
- Fix a few arm dejagnu failures

To-do list:
- Support Android/atom
- Fix ia32 bootstrap failure

Change-Id: I5e10dcd21620d4d8ca984d1d1707a76067e61691

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc-4.4.3/gcc/testsuite/gcc.dg/mversn4.c b/gcc-4.4.3/gcc/testsuite/gcc.dg/mversn4.c
new file mode 100644
index 000000000..cd916c981
--- /dev/null
+++ b/gcc-4.4.3/gcc/testsuite/gcc.dg/mversn4.c
@@ -0,0 +1,29 @@
+/* Check that static feature test functions are correctly handled. This
+   test case also needs mversn4a.c.  extern_func calls foo and returns 0.*/
+   
+/* { dg-do run } */
+/* { dg-additional-sources "mversn4a.c" } */
+/* { dg-options "-O2" } */
+
+#include "mversn4.h"
+
+extern int extern_func ();
+
+int foo ()
+{
+  return 0;
+}
+
+int bar ()
+{
+  return 1;
+}
+
+int __attribute__ ((cold))
+main ()
+{
+  int a = 1, b = 1;
+  a  = extern_func ();
+  b  = __builtin_dispatch (featureTest, (void *)bar, (void *) foo);
+  return a * b;
+}