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, 31 insertions, 0 deletions

diff --git a/gcc-4.4.3/gcc/testsuite/gcc.dg/torture/mversn1.c b/gcc-4.4.3/gcc/testsuite/gcc.dg/torture/mversn1.c
new file mode 100644
index 000000000..bd024065c
--- /dev/null
+++ b/gcc-4.4.3/gcc/testsuite/gcc.dg/torture/mversn1.c
@@ -0,0 +1,31 @@
+/* Check that __builtin_dispatch gets converted and the executable runs fine. 
+   Since featureTest () returns 1, foo should be called and return 0.  Cloning
+   and Hoisting is not even turned on here. */
+/* { dg-do run } */
+
+int __attribute__ ((version_selector))
+featureTest ()
+{
+  return 1;
+}
+
+int __attribute__ ((cold))
+foo ()
+{
+  return 0;
+}
+
+int __attribute__ ((cold))
+bar ()
+{
+  return 1;
+}
+
+int __attribute__ ((cold))
+main ()
+{
+  int a, b;
+  a = __builtin_dispatch (featureTest, (void *)foo, (void *) bar);
+  b = __builtin_dispatch (featureTest, (void *)bar, (void *) foo);
+  return a * b;
+}