Reorganisation of the source tree

[ghc-hetmet.git] / rts / gmp / mpn / m88k / mc88110 / mul_1.s

diff --git a/rts/gmp/mpn/m88k/mc88110/mul_1.s b/rts/gmp/mpn/m88k/mc88110/mul_1.s
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+; mc88110 __gmpn_mul_1 -- Multiply a limb vector with a single limb and
+; store the product in a second limb vector.
+
+; Copyright (C) 1992, 1994, 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 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      r2
+; s1_ptr       r3
+; size         r4
+; s2_limb      r5
+
+       text
+       align   16
+       global  ___gmpn_mul_1
+___gmpn_mul_1:
+       ; Make S1_PTR and RES_PTR point at the end of their blocks
+       ; and negate SIZE.
+       lda      r3,r3[r4]
+       lda      r8,r2[r4]              ; RES_PTR in r8 since r2 is retval
+       subu     r4,r0,r4
+
+       addu.co  r2,r0,r0               ; r2 = cy = 0
+
+       ld       r6,r3[r4]
+       addu     r4,r4,1
+       mulu.d   r10,r6,r5
+       bcnd.n   eq0,r4,Lend
+        subu    r8,r8,8
+
+Loop:  ld       r6,r3[r4]
+       addu.cio r9,r11,r2
+       or       r2,r10,r0              ; could be avoided if unrolled
+       addu     r4,r4,1
+       mulu.d   r10,r6,r5
+       bcnd.n   ne0,r4,Loop
+        st      r9,r8[r4]
+
+Lend:  addu.cio r9,r11,r2
+       st       r9,r8,4
+       jmp.n    r1
+        addu.ci r2,r10,r0