X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gmp%2Fmpn%2Falpha%2Fadd_n.asm;fp=gmp%2Fmpn%2Falpha%2Fadd_n.asm;h=77d4cad2ef8485939077687e5ce7996a4319b696;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/gmp/mpn/alpha/add_n.asm b/gmp/mpn/alpha/add_n.asm
new file mode 100644
index 00000000..77d4cad2
--- /dev/null
+++ b/gmp/mpn/alpha/add_n.asm
@@ -0,0 +1,117 @@
+dnl  Alpha mpn_add_n -- Add two limb vectors of the same length > 0 and
+dnl  store sum in a third limb vector.
+
+dnl  Copyright 1995, 2000, 2002, 2005 Free Software Foundation, Inc.
+
+dnl  This file is part of the GNU MP Library.
+
+dnl  The GNU MP Library is free software; you can redistribute it and/or modify
+dnl  it under the terms of the GNU Lesser General Public License as published
+dnl  by the Free Software Foundation; either version 3 of the License, or (at
+dnl  your option) any later version.
+
+dnl  The GNU MP Library is distributed in the hope that it will be useful, but
+dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+dnl  License for more details.
+
+dnl  You should have received a copy of the GNU Lesser General Public License
+dnl  along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C      cycles/limb
+C EV4:     7.75
+C EV5:     5.75
+C EV6:     4
+
+C  INPUT PARAMETERS
+C  rp	r16
+C  up	r17
+C  vp	r18
+C  n	r19
+
+ASM_START()
+PROLOGUE(mpn_add_n)
+	ldq	r3,0(r17)
+	ldq	r4,0(r18)
+
+	subq	r19,1,r19
+	and	r19,4-1,r2	C number of limbs in first loop
+	bis	r31,r31,r0
+	beq	r2,$L0		C if multiple of 4 limbs, skip first loop
+
+	subq	r19,r2,r19
+
+$Loop0:	subq	r2,1,r2
+	ldq	r5,8(r17)
+	addq	r4,r0,r4
+	ldq	r6,8(r18)
+	cmpult	r4,r0,r1
+	addq	r3,r4,r4
+	cmpult	r4,r3,r0
+	stq	r4,0(r16)
+	bis	r0,r1,r0
+
+	addq	r17,8,r17
+	addq	r18,8,r18
+	bis	r5,r5,r3
+	bis	r6,r6,r4
+	addq	r16,8,r16
+	bne	r2,$Loop0
+
+$L0:	beq	r19,$Lend
+
+	ALIGN(8)
+$Loop:	subq	r19,4,r19
+
+	ldq	r5,8(r17)
+	addq	r4,r0,r4
+	ldq	r6,8(r18)
+	cmpult	r4,r0,r1
+	addq	r3,r4,r4
+	cmpult	r4,r3,r0
+	stq	r4,0(r16)
+	bis	r0,r1,r0
+
+	ldq	r3,16(r17)
+	addq	r6,r0,r6
+	ldq	r4,16(r18)
+	cmpult	r6,r0,r1
+	addq	r5,r6,r6
+	cmpult	r6,r5,r0
+	stq	r6,8(r16)
+	bis	r0,r1,r0
+
+	ldq	r5,24(r17)
+	addq	r4,r0,r4
+	ldq	r6,24(r18)
+	cmpult	r4,r0,r1
+	addq	r3,r4,r4
+	cmpult	r4,r3,r0
+	stq	r4,16(r16)
+	bis	r0,r1,r0
+
+	ldq	r3,32(r17)
+	addq	r6,r0,r6
+	ldq	r4,32(r18)
+	cmpult	r6,r0,r1
+	addq	r5,r6,r6
+	cmpult	r6,r5,r0
+	stq	r6,24(r16)
+	bis	r0,r1,r0
+
+	addq	r17,32,r17
+	addq	r18,32,r18
+	addq	r16,32,r16
+	bne	r19,$Loop
+
+$Lend:	addq	r4,r0,r4
+	cmpult	r4,r0,r1
+	addq	r3,r4,r4
+	cmpult	r4,r3,r0
+	stq	r4,0(r16)
+	bis	r0,r1,r0
+	ret	r31,(r26),1
+EPILOGUE(mpn_add_n)
+ASM_END()