#------------------------------------------------------------------------------ 
#
# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
#
# 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 ASM_PFX(__clzsi2)

ASM_PFX(__clzsi2):
	@ frame_needed = 1, uses_anonymous_args = 0
	stmfd	sp!, {r7, lr}
	add	r7, sp, #0
	movs	r3, r0, lsr #16
	movne	r3, #16
	moveq	r3, #0
	movne	r9, #0
	moveq	r9, #16
	mov	r3, r0, lsr r3
	tst	r3, #65280
	movne	r0, #8
	moveq	r0, #0
	movne	lr, #0
	moveq	lr, #8
	mov	r3, r3, lsr r0
	tst	r3, #240
	movne	r0, #4
	moveq	r0, #0
	movne	ip, #0
	moveq	ip, #4
	mov	r3, r3, lsr r0
	tst	r3, #12
	movne	r0, #2
	moveq	r0, #0
	movne	r1, #0
	moveq	r1, #2
	mov	r2, r3, lsr r0
	add	r3, lr, r9
	add	r0, r3, ip
	add	r1, r0, r1
	mov	r0, r2, lsr #1
	eor	r0, r0, #1
	ands	r0, r0, #1
	mvnne	r0, #0
	rsb	r3, r2, #2
	and	r0, r0, r3
	add	r0, r1, r0
	ldmfd	sp!, {r7, pc}