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-rw-r--r--sysdeps/mips/mips64/addmul_1.S107
1 files changed, 0 insertions, 107 deletions
diff --git a/sysdeps/mips/mips64/addmul_1.S b/sysdeps/mips/mips64/addmul_1.S
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--- a/sysdeps/mips/mips64/addmul_1.S
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-/* MIPS3 __mpn_addmul_1 -- Multiply a limb vector with a single limb and
- * add the product to a second limb vector.
- *
- * Copyright (C) 1992, 1994, 1995, 2002, 2003 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.
- */
-
-#include <sysdep.h>
-#include <sys/asm.h>
-
-/* INPUT PARAMETERS
- * res_ptr $4
- * s1_ptr $5
- * size $6
- * s2_limb $7
- */
-
-#ifdef PIC
- .option pic2
-#endif
- .text
- .align 4
- .globl __mpn_addmul_1
- .ent __mpn_addmul_1
-__mpn_addmul_1:
-#ifdef PIC
- SETUP_GP /* ??? unused */
-#endif
- .set noreorder
- .set nomacro
-
- # warm up phase 0
- ld $8,0($5)
-
- # warm up phase 1
- daddiu $5,$5,8
- dmultu $8,$7
-
- daddiu $6,$6,-1
- beq $6,$0,L(LC0)
- move $2,$0 # zero cy2
-
- daddiu $6,$6,-1
- beq $6,$0,L(LC1)
- ld $8,0($5) # load new s1 limb as early as possible
-
-L(Loop): ld $10,0($4)
- mflo $3
- mfhi $9
- daddiu $5,$5,8
- daddu $3,$3,$2 # add old carry limb to low product limb
- dmultu $8,$7
- ld $8,0($5) # load new s1 limb as early as possible
- daddiu $6,$6,-1 # decrement loop counter
- sltu $2,$3,$2 # carry from previous addition -> $2
- daddu $3,$10,$3
- sltu $10,$3,$10
- daddu $2,$2,$10
- sd $3,0($4)
- daddiu $4,$4,8
- bne $6,$0,L(Loop)
- daddu $2,$9,$2 # add high product limb and carry from addition
-
- # cool down phase 1
-L(LC1): ld $10,0($4)
- mflo $3
- mfhi $9
- daddu $3,$3,$2
- sltu $2,$3,$2
- dmultu $8,$7
- daddu $3,$10,$3
- sltu $10,$3,$10
- daddu $2,$2,$10
- sd $3,0($4)
- daddiu $4,$4,8
- daddu $2,$9,$2 # add high product limb and carry from addition
-
- # cool down phase 0
-L(LC0): ld $10,0($4)
- mflo $3
- mfhi $9
- daddu $3,$3,$2
- sltu $2,$3,$2
- daddu $3,$10,$3
- sltu $10,$3,$10
- daddu $2,$2,$10
- sd $3,0($4)
- j $31
- daddu $2,$9,$2 # add high product limb and carry from addition
-
- .end __mpn_addmul_1