! SH2 __gmpn_submul_1 -- Multiply a limb vector with a limb and subtract! the result from a second limb vector.! Copyright 1995, 2000 Free Software Foundation, Inc.! This file is part of the GNU MP Library.! The GNU MP Library is free software; you can redistribute it and/or modify! it under the terms of the GNU Lesser General Public License as published by! the Free Software Foundation; either version 3 of the License, or (at your! option) any later version.! The GNU MP Library is distributed in the hope that it will be useful, but! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY! or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public! License for more details.! You should have received a copy of the GNU Lesser General Public License! along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.! INPUT PARAMETERS! res_ptr	r4! s1_ptr	r5! size		r6! s2_limb	r7	.text	.align 1	.global	___gmpn_submul_1___gmpn_submul_1:	mov	#0,r2		! cy_limb = 0	mov	#0,r0		! Keep r0 = 0 for entire loop	clrtLoop:	mov.l	@r5+,r3	dmulu.l	r3,r7	sts	macl,r1	addc	r2,r1		! lo_prod += old cy_limb	sts	mach,r2		! new cy_limb = hi_prod	mov.l	@r4,r3	addc	r0,r2		! cy_limb += T, T = 0	subc	r3,r1	addc	r0,r2		! cy_limb += T, T = 0	dt	r6	mov.l	r1,@r4	bf.s	Loop	add	#4,r4	rts	mov	r2,r0