Renamed from `.s'/`.S'.

1 files changed, 58 insertions, 0 deletions

diff --git a/mpn/sparc32/v8/submul_1.asm b/mpn/sparc32/v8/submul_1.asm
new file mode 100644
index 000000000..467589d5c
--- /dev/null
+++ b/mpn/sparc32/v8/submul_1.asm
@@ -0,0 +1,58 @@
+! SPARC v8 __mpn_submul_1 -- Multiply a limb vector with a limb and
+! subtract the result from a second limb vector.
+
+! Copyright (C) 1992, 1993, 1994 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 Library General Public License as published by
+! the Free Software Foundation; either version 2 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 Library General Public
+! License for more details.
+
+! You should have received a copy of the GNU Library 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	o0
+! s1_ptr	o1
+! size		o2
+! s2_limb	o3
+
+include(`../config.m4')
+
+ASM_START()
+PROLOGUE(mpn_submul_1)
+	sub	%g0,%o2,%o2		! negate ...
+	sll	%o2,2,%o2		! ... and scale size
+	sub	%o1,%o2,%o1		! o1 is offset s1_ptr
+	sub	%o0,%o2,%g1		! g1 is offset res_ptr
+
+	mov	0,%o0			! clear cy_limb
+
+L(loop):
+	ld	[%o1+%o2],%o4
+	ld	[%g1+%o2],%g2
+	umul	%o4,%o3,%o5
+	rd	%y,%g3
+	addcc	%o5,%o0,%o5
+	addx	%g3,0,%o0
+	subcc	%g2,%o5,%g2
+	addx	%o0,0,%o0
+	st	%g2,[%g1+%o2]
+
+	addcc	%o2,4,%o2
+	bne	L(loop)
+	 nop
+
+	retl
+	 nop
+EPILOGUE(mpn_submul_1)