| Index: gcc/gmp/mpn/a29k/sub_n.s
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| diff --git a/gcc/gmp/mpn/a29k/sub_n.s b/gcc/gmp/mpn/a29k/sub_n.s
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| deleted file mode 100644
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| index 42072a494db734a7d28213dde2b92d0eac689451..0000000000000000000000000000000000000000
|
| --- a/gcc/gmp/mpn/a29k/sub_n.s
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| +++ /dev/null
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| @@ -1,118 +0,0 @@
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| -; 29000 mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
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| -; store difference in a third limb vector.
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| -
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| -; Copyright 1992, 1994, 2000 Free Software Foundation, Inc.
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| -
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| -; This file is part of the GNU MP Library.
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| -
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| -; The GNU MP Library is free software; you can redistribute it and/or modify
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| -; it under the terms of the GNU Lesser General Public License as published by
|
| -; the Free Software Foundation; either version 3 of the License, or (at your
|
| -; option) any later version.
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| -
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| -; 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
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| -; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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| -; License for more details.
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| -
|
| -; You should have received a copy of the GNU Lesser General Public License
|
| -; along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
|
| -
|
| -
|
| -; INPUT PARAMETERS
|
| -; res_ptr lr2
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| -; s1_ptr lr3
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| -; s2_ptr lr4
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| -; size lr5
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| -
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| -; We use the loadm/storem instructions and operate on chunks of 8
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| -; limbs/per iteration, until less than 8 limbs remain.
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| -
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| -; The 29k has no addition or subtraction instructions that doesn't
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| -; affect carry, so we need to save and restore that as soon as we
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| -; adjust the pointers. gr116 is used for this purpose. Note that
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| -; gr116==0 means that carry should be set.
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| -
|
| - .sect .lit,lit
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| - .text
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| - .align 4
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| - .global ___gmpn_sub_n
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| - .word 0x60000
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| -___gmpn_sub_n:
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| - srl gr117,lr5,3
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| - sub gr118,gr117,1
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| - jmpt gr118,Ltail
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| - constn gr116,-1 ; init cy reg
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| - sub gr117,gr117,2 ; count for jmpfdec
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| -
|
| -; Main loop working 8 limbs/iteration.
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| -Loop: mtsrim cr,(8-1)
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| - loadm 0,0,gr96,lr3
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| - add lr3,lr3,32
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| - mtsrim cr,(8-1)
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| - loadm 0,0,gr104,lr4
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| - add lr4,lr4,32
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| -
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| - subr gr116,gr116,0 ; restore carry
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| - subc gr96,gr96,gr104
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| - subc gr97,gr97,gr105
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| - subc gr98,gr98,gr106
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| - subc gr99,gr99,gr107
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| - subc gr100,gr100,gr108
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| - subc gr101,gr101,gr109
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| - subc gr102,gr102,gr110
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| - subc gr103,gr103,gr111
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| - subc gr116,gr116,gr116 ; gr116 = not(cy)
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| -
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| - mtsrim cr,(8-1)
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| - storem 0,0,gr96,lr2
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| - jmpfdec gr117,Loop
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| - add lr2,lr2,32
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| -
|
| -; Code for the last up-to-7 limbs.
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| -; This code might look very strange, but it's hard to write it
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| -; differently without major slowdown.
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| -
|
| - and lr5,lr5,(8-1)
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| -Ltail: sub gr118,lr5,1 ; count for CR
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| - jmpt gr118,Lend
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| - sub gr117,lr5,2 ; count for jmpfdec
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| -
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| - mtsr cr,gr118
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| - loadm 0,0,gr96,lr3
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| - mtsr cr,gr118
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| - loadm 0,0,gr104,lr4
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| -
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| - subr gr116,gr116,0 ; restore carry
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| -
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| - jmpfdec gr117,L1
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| - subc gr96,gr96,gr104
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L1: jmpfdec gr117,L2
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| - subc gr97,gr97,gr105
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L2: jmpfdec gr117,L3
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| - subc gr98,gr98,gr106
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L3: jmpfdec gr117,L4
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| - subc gr99,gr99,gr107
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L4: jmpfdec gr117,L5
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| - subc gr100,gr100,gr108
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L5: jmpfdec gr117,L6
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| - subc gr101,gr101,gr109
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| - jmp Lstore
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| - mtsr cr,gr118
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| -L6: subc gr102,gr102,gr110
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| -
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| -Lstore: storem 0,0,gr96,lr2
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| - subc gr116,gr116,gr116 ; gr116 = not(cy)
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| -
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| -Lend: jmpi lr0
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| - add gr96,gr116,1
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|
|