Import libcompiler_rt into HEAD and add Makefiles.

Obtained from:	user/ed/compiler-rt

1 files changed, 28 insertions, 0 deletions

diff --git a/contrib/compiler-rt/lib/arm/lesf2vfp.S b/contrib/compiler-rt/lib/arm/lesf2vfp.S
new file mode 100644
index 0000000..b7e05da
--- /dev/null
+++ b/contrib/compiler-rt/lib/arm/lesf2vfp.S
@@ -0,0 +1,28 @@
+//===-- lesf2vfp.S - Implement lesf2vfp -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../assembly.h"
+
+//
+// extern int __lesf2vfp(float a, float b);
+//
+// Returns one iff a <= b and neither is NaN.
+// Uses Darwin calling convention where single precision arguments are passsed 
+// like 32-bit ints
+//
+	.align 2
+DEFINE_COMPILERRT_FUNCTION(__lesf2vfp)
+	fmsr	s14, r0     // move from GPR 0 to float register
+	fmsr	s15, r1     // move from GPR 1 to float register
+	fcmps	s14, s15
+	fmstat
+	movls	r0, #1      // set result register to 1 if equal
+	movhi	r0, #0
+	bx	lr
+