X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2Fgmp%2Fmpn%2Fpyr%2Fmul_1.s;fp=ghc%2Frts%2Fgmp%2Fmpn%2Fpyr%2Fmul_1.s;h=e6b97910f9db3056f4642efad4e7dbe219d9617c;hb=7bf2d1c3eb931af6192c2e95ac1881d7a9d6ff2c;hp=0000000000000000000000000000000000000000;hpb=8a53169e2204eb4a9988d602e608ddee846d4007;p=ghc-hetmet.git

diff --git a/ghc/rts/gmp/mpn/pyr/mul_1.s b/ghc/rts/gmp/mpn/pyr/mul_1.s
new file mode 100644
index 0000000..e6b9791
--- /dev/null
+++ b/ghc/rts/gmp/mpn/pyr/mul_1.s
@@ -0,0 +1,42 @@
+# Pyramid __mpn_mul_1 -- Multiply a limb vector with a limb and store
+# the result in a second limb vector.
+
+# Copyright (C) 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 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.
+
+.text
+	.align	2
+.globl	___mpn_mul_1
+___mpn_mul_1:
+	mova	(pr0)[pr2*4],pr0
+	mova	(pr1)[pr2*4],pr1
+	mnegw	pr2,pr2
+	movw	$0,tr3
+
+Loop:	movw	(pr1)[pr2*4],tr1
+	uemul	pr3,tr0
+	addw	tr3,tr1
+	movw	$0,tr3
+	addwc	tr0,tr3
+	movw	tr1,(pr0)[pr2*4]
+	addw	$1,pr2
+	bne	Loop
+
+	movw	tr3,pr0
+	ret