add comparison functions for ARM
llvm-svn: 81597
diff --git a/compiler-rt/lib/arm/gesf2vfp.S b/compiler-rt/lib/arm/gesf2vfp.S
new file mode 100644
index 0000000..205c365
--- /dev/null
+++ b/compiler-rt/lib/arm/gesf2vfp.S
@@ -0,0 +1,27 @@
+//===-- gesf2vfp.S - Implement gesf2vfp -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+//
+// extern int __gesf2vfp(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
+//
+ .globl ___gesf2vfp
+___gesf2vfp:
+ fmsr s14, r0 // move from GPR 0 to float register
+ fmsr s15, r1 // move from GPR 1 to float register
+ fcmps s14, s15
+ fmstat
+ movge r0, #1 // set result register to 1 if greater than or equal
+ movlt r0, #0
+ bx lr
+