Add some missing 64-bit math functions for gcc

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9715 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S

@@ -0,0 +1,39 @@
+#------------------------------------------------------------------------------ 
+#
+# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+#
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#------------------------------------------------------------------------------
+
+	.text
+	.align 2
+	.globl ___ucmpdi2
+___ucmpdi2:
+	@ args = 0, pretend = 0, frame = 0
+	@ frame_needed = 0, uses_anonymous_args = 0
+	stmfd	sp!, {r4, r5, r8, lr}
+	cmp	r1, r3
+	mov	r8, r0
+	mov	r4, r2
+	mov	r5, r3
+	bcc	L2
+	bhi	L4
+	cmp	r0, r2
+	bcc	L2
+	movls	r0, #1
+	bls	L8
+	b	L4
+L2:
+	mov	r0, #0
+	b	L8
+L4:
+	mov	r0, #2
+L8:
+	ldmfd	sp!, {r4, r5, r8, pc}