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-rw-r--r--sysdeps/alpha/addmul_1.s92
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diff --git a/sysdeps/alpha/addmul_1.s b/sysdeps/alpha/addmul_1.s
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- # Alpha 21064 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
- # the result to a second limb vector.
-
- # Copyright (C) 1992, 1994, 1995 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 2.1 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; see the file COPYING.LIB.  If not, write to
- # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- # MA 02111-1307, USA.
-
-
- # INPUT PARAMETERS
- # res_ptr	r16
- # s1_ptr	r17
- # size		r18
- # s2_limb	r19
-
- # This code runs at 42 cycles/limb on EV4 and 18 cycles/limb on EV5.
-
-	.set	noreorder
-	.set	noat
-.text
-	.align	3
-	.globl	__mpn_addmul_1
-	.ent	__mpn_addmul_1 2
-__mpn_addmul_1:
-	.frame	$30,0,$26
-
-	ldq	$2,0($17)	# $2 = s1_limb
-	addq	$17,8,$17	# s1_ptr++
-	subq	$18,1,$18	# size--
-	mulq	$2,$19,$3	# $3 = prod_low
-	ldq	$5,0($16)	# $5 = *res_ptr
-	umulh	$2,$19,$0	# $0 = prod_high
-	beq	$18,.Lend1	# jump if size was == 1
-	ldq	$2,0($17)	# $2 = s1_limb
-	addq	$17,8,$17	# s1_ptr++
-	subq	$18,1,$18	# size--
-	addq	$5,$3,$3
-	cmpult	$3,$5,$4
-	stq	$3,0($16)
-	addq	$16,8,$16	# res_ptr++
-	beq	$18,.Lend2	# jump if size was == 2
-
-	.align	3
-.Loop:	mulq	$2,$19,$3	# $3 = prod_low
-	ldq	$5,0($16)	# $5 = *res_ptr
-	addq	$4,$0,$0	# cy_limb = cy_limb + 'cy'
-	subq	$18,1,$18	# size--
-	umulh	$2,$19,$4	# $4 = cy_limb
-	ldq	$2,0($17)	# $2 = s1_limb
-	addq	$17,8,$17	# s1_ptr++
-	addq	$3,$0,$3	# $3 = cy_limb + prod_low
-	cmpult	$3,$0,$0	# $0 = carry from (cy_limb + prod_low)
-	addq	$5,$3,$3
-	cmpult	$3,$5,$5
-	stq	$3,0($16)
-	addq	$16,8,$16	# res_ptr++
-	addq	$5,$0,$0	# combine carries
-	bne	$18,.Loop
-
-.Lend2:	mulq	$2,$19,$3	# $3 = prod_low
-	ldq	$5,0($16)	# $5 = *res_ptr
-	addq	$4,$0,$0	# cy_limb = cy_limb + 'cy'
-	umulh	$2,$19,$4	# $4 = cy_limb
-	addq	$3,$0,$3	# $3 = cy_limb + prod_low
-	cmpult	$3,$0,$0	# $0 = carry from (cy_limb + prod_low)
-	addq	$5,$3,$3
-	cmpult	$3,$5,$5
-	stq	$3,0($16)
-	addq	$5,$0,$0	# combine carries
-	addq	$4,$0,$0	# cy_limb = prod_high + cy
-	ret	$31,($26),1
-.Lend1:	addq	$5,$3,$3
-	cmpult	$3,$5,$5
-	stq	$3,0($16)
-	addq	$0,$5,$0
-	ret	$31,($26),1
-
-	.end	__mpn_addmul_1