Reorganisation of the source tree

[ghc-hetmet.git] / rts / gmp / mpn / a29k / mul_1.s

diff --git a/rts/gmp/mpn/a29k/mul_1.s b/rts/gmp/mpn/a29k/mul_1.s
new file mode 100644 (file)
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+++ b/rts/gmp/mpn/a29k/mul_1.s
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+; 29000 __gmpn_mul_1 -- Multiply a limb vector with a single limb and
+; store the product in a second limb vector.
+
+; Copyright (C) 1992, 1994, 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      lr2
+; s1_ptr       lr3
+; size         lr4
+; s2_limb      lr5
+
+       .cputype 29050
+       .sect .lit,lit
+       .text
+       .align  4
+       .global ___gmpn_mul_1
+       .word   0x60000
+___gmpn_mul_1:
+       sub     lr4,lr4,8
+       jmpt    lr4,Ltail
+        const  gr120,0                 ; init cylimb reg
+
+       srl     gr117,lr4,3             ; divide by 8
+       sub     gr117,gr117,1           ; count for jmpfdec
+
+Loop:  mtsrim  cr,(8-1)
+       loadm   0,0,gr96,lr3
+       add     lr3,lr3,32
+
+       multiplu gr104,gr96,lr5
+       multmu   gr96,gr96,lr5
+       multiplu gr105,gr97,lr5
+       multmu   gr97,gr97,lr5
+       multiplu gr106,gr98,lr5
+       multmu   gr98,gr98,lr5
+       multiplu gr107,gr99,lr5
+       multmu   gr99,gr99,lr5
+       multiplu gr108,gr100,lr5
+       multmu   gr100,gr100,lr5
+       multiplu gr109,gr101,lr5
+       multmu   gr101,gr101,lr5
+       multiplu gr110,gr102,lr5
+       multmu   gr102,gr102,lr5
+       multiplu gr111,gr103,lr5
+       multmu   gr103,gr103,lr5
+
+       add     gr104,gr104,gr120
+       addc    gr105,gr105,gr96
+       addc    gr106,gr106,gr97
+       addc    gr107,gr107,gr98
+       addc    gr108,gr108,gr99
+       addc    gr109,gr109,gr100
+       addc    gr110,gr110,gr101
+       addc    gr111,gr111,gr102
+       addc    gr120,gr103,0
+
+       mtsrim  cr,(8-1)
+       storem  0,0,gr104,lr2
+       jmpfdec gr117,Loop
+        add    lr2,lr2,32
+
+Ltail: and     lr4,lr4,(8-1)
+       sub     gr118,lr4,1             ; count for CR
+       jmpt    gr118,Lend
+        sub    lr4,lr4,2
+       sub     lr2,lr2,4               ; offset res_ptr by one limb
+
+Loop2: load    0,0,gr116,lr3
+       add     lr3,lr3,4
+       multiplu gr117,gr116,lr5
+       multmu  gr118,gr116,lr5
+       add     lr2,lr2,4
+       add     gr117,gr117,gr120
+       store   0,0,gr117,lr2
+       jmpfdec lr4,Loop2
+        addc   gr120,gr118,0
+
+Lend:  jmpi    lr0
+        or     gr96,gr120,0            ; copy