Change ARM vfp assembly functions to use unified syntax.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@138332 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/arm/ltdf2vfp.S b/lib/arm/ltdf2vfp.S
index 87144a8..a09e67a 100644
--- a/lib/arm/ltdf2vfp.S
+++ b/lib/arm/ltdf2vfp.S
@@ -16,12 +16,13 @@
 // Uses Darwin calling convention where double precision arguments are passsed 
 // like in GPR pairs.
 //
+	.syntax unified
 	.align 2
 DEFINE_COMPILERRT_FUNCTION(__ltdf2vfp)
-	fmdrr	d6, r0, r1	// load r0/r1 pair in double register
-	fmdrr	d7, r2, r3	// load r2/r3 pair in double register
-	fcmpd	d6, d7		
-	fmstat
+	vmov 	d6, r0, r1	// load r0/r1 pair in double register
+	vmov 	d7, r2, r3	// load r2/r3 pair in double register
+	vcmp.f64 d6, d7
+	vmrs	apsr_nzcv, fpscr
 	movmi	r0, #1		// set result register to 1 if equal
 	movpl	r0, #0
 	bx	lr