**diff options**

author | Warner Losh <imp@FreeBSD.org> | 1999-03-01 06:27:31 +0000 |
---|---|---|

committer | Warner Losh <imp@FreeBSD.org> | 1999-03-01 06:27:31 +0000 |

commit | 755610de29b5e6c6c72cacea607820c364d22873 (patch) | |

tree | 7416fec1b45002adff46133f13305dbd48bfd06a | |

parent | f2b7551c390f41a5b645b2426bb098674042a057 (diff) | |

download | src-755610de29b5e6c6c72cacea607820c364d22873.tar.gz src-755610de29b5e6c6c72cacea607820c364d22873.zip |

Import mips2 and mips3 files from the 2.0.2 gmp distribution.

Approved by: markm

Notes

Notes:
svn path=/vendor/libgmp/dist/; revision=44365

-rw-r--r-- | contrib/libgmp/mpn/mips2/add_n.s | 120 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/addmul_1.s | 97 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/lshift.s | 95 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/mul_1.s | 85 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/rshift.s | 92 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/sub_n.s | 120 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips2/submul_1.s | 97 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/README | 23 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/add_n.s | 120 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/addmul_1.s | 97 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/gmp-mparam.h | 27 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/lshift.s | 95 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/mul_1.s | 85 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/rshift.s | 92 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/sub_n.s | 120 | ||||

-rw-r--r-- | contrib/libgmp/mpn/mips3/submul_1.s | 97 |

16 files changed, 1462 insertions, 0 deletions

diff --git a/contrib/libgmp/mpn/mips2/add_n.s b/contrib/libgmp/mpn/mips2/add_n.s new file mode 100644 index 000000000000..f5525cec46bc --- /dev/null +++ b/contrib/libgmp/mpn/mips2/add_n.s @@ -0,0 +1,120 @@ + # MIPS2 __mpn_add_n -- Add two limb vectors of the same length > 0 and + # store sum in a third 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # s2_ptr $6 + # size $7 + + .text + .align 2 + .globl __mpn_add_n + .ent __mpn_add_n +__mpn_add_n: + .set noreorder + .set nomacro + + lw $10,0($5) + lw $11,0($6) + + addiu $7,$7,-1 + and $9,$7,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + move $2,$0 + + subu $7,$7,$9 + +.Loop0: addiu $9,$9,-1 + lw $12,4($5) + addu $11,$11,$2 + lw $13,4($6) + sltu $8,$11,$2 + addu $11,$10,$11 + sltu $2,$11,$10 + sw $11,0($4) + or $2,$2,$8 + + addiu $5,$5,4 + addiu $6,$6,4 + move $10,$12 + move $11,$13 + bne $9,$0,.Loop0 + addiu $4,$4,4 + +.L0: beq $7,$0,.Lend + nop + +.Loop: addiu $7,$7,-4 + + lw $12,4($5) + addu $11,$11,$2 + lw $13,4($6) + sltu $8,$11,$2 + addu $11,$10,$11 + sltu $2,$11,$10 + sw $11,0($4) + or $2,$2,$8 + + lw $10,8($5) + addu $13,$13,$2 + lw $11,8($6) + sltu $8,$13,$2 + addu $13,$12,$13 + sltu $2,$13,$12 + sw $13,4($4) + or $2,$2,$8 + + lw $12,12($5) + addu $11,$11,$2 + lw $13,12($6) + sltu $8,$11,$2 + addu $11,$10,$11 + sltu $2,$11,$10 + sw $11,8($4) + or $2,$2,$8 + + lw $10,16($5) + addu $13,$13,$2 + lw $11,16($6) + sltu $8,$13,$2 + addu $13,$12,$13 + sltu $2,$13,$12 + sw $13,12($4) + or $2,$2,$8 + + addiu $5,$5,16 + addiu $6,$6,16 + + bne $7,$0,.Loop + addiu $4,$4,16 + +.Lend: addu $11,$11,$2 + sltu $8,$11,$2 + addu $11,$10,$11 + sltu $2,$11,$10 + sw $11,0($4) + j $31 + or $2,$2,$8 + + .end __mpn_add_n diff --git a/contrib/libgmp/mpn/mips2/addmul_1.s b/contrib/libgmp/mpn/mips2/addmul_1.s new file mode 100644 index 000000000000..6145771e396f --- /dev/null +++ b/contrib/libgmp/mpn/mips2/addmul_1.s @@ -0,0 +1,97 @@ + # MIPS __mpn_addmul_1 -- Multiply a limb vector with a single limb and + # add the product to a second limb vector. + + # Copyright (C) 1992, 1994, 1996 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_addmul_1 + .ent __mpn_addmul_1 +__mpn_addmul_1: + .set noreorder + .set nomacro + + # warm up phase 0 + lw $8,0($5) + + # warm up phase 1 + addiu $5,$5,4 + multu $8,$7 + + addiu $6,$6,-1 + beq $6,$0,$LC0 + move $2,$0 # zero cy2 + + addiu $6,$6,-1 + beq $6,$0,$LC1 + lw $8,0($5) # load new s1 limb as early as possible + +Loop: lw $10,0($4) + mflo $3 + mfhi $9 + addiu $5,$5,4 + addu $3,$3,$2 # add old carry limb to low product limb + multu $8,$7 + lw $8,0($5) # load new s1 limb as early as possible + addiu $6,$6,-1 # decrement loop counter + sltu $2,$3,$2 # carry from previous addition -> $2 + addu $3,$10,$3 + sltu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + addiu $4,$4,4 + bne $6,$0,Loop + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$LC1: lw $10,0($4) + mflo $3 + mfhi $9 + addu $3,$3,$2 + sltu $2,$3,$2 + multu $8,$7 + addu $3,$10,$3 + sltu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + addiu $4,$4,4 + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 0 +$LC0: lw $10,0($4) + mflo $3 + mfhi $9 + addu $3,$3,$2 + sltu $2,$3,$2 + addu $3,$10,$3 + sltu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + j $31 + addu $2,$9,$2 # add high product limb and carry from addition + + .end __mpn_addmul_1 diff --git a/contrib/libgmp/mpn/mips2/lshift.s b/contrib/libgmp/mpn/mips2/lshift.s new file mode 100644 index 000000000000..ee92d7916fd7 --- /dev/null +++ b/contrib/libgmp/mpn/mips2/lshift.s @@ -0,0 +1,95 @@ + # MIPS2 __mpn_lshift -- + + # 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # src_ptr $5 + # size $6 + # cnt $7 + + .text + .align 2 + .globl __mpn_lshift + .ent __mpn_lshift +__mpn_lshift: + .set noreorder + .set nomacro + + sll $2,$6,2 + addu $5,$5,$2 # make r5 point at end of src + lw $10,-4($5) # load first limb + subu $13,$0,$7 + addu $4,$4,$2 # make r4 point at end of res + addiu $6,$6,-1 + and $9,$6,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + srl $2,$10,$13 # compute function result + + subu $6,$6,$9 + +.Loop0: lw $3,-8($5) + addiu $4,$4,-4 + addiu $5,$5,-4 + addiu $9,$9,-1 + sll $11,$10,$7 + srl $12,$3,$13 + move $10,$3 + or $8,$11,$12 + bne $9,$0,.Loop0 + sw $8,0($4) + +.L0: beq $6,$0,.Lend + nop + +.Loop: lw $3,-8($5) + addiu $4,$4,-16 + addiu $6,$6,-4 + sll $11,$10,$7 + srl $12,$3,$13 + + lw $10,-12($5) + sll $14,$3,$7 + or $8,$11,$12 + sw $8,12($4) + srl $9,$10,$13 + + lw $3,-16($5) + sll $11,$10,$7 + or $8,$14,$9 + sw $8,8($4) + srl $12,$3,$13 + + lw $10,-20($5) + sll $14,$3,$7 + or $8,$11,$12 + sw $8,4($4) + srl $9,$10,$13 + + addiu $5,$5,-16 + or $8,$14,$9 + bgtz $6,.Loop + sw $8,0($4) + +.Lend: sll $8,$10,$7 + j $31 + sw $8,-4($4) + .end __mpn_lshift diff --git a/contrib/libgmp/mpn/mips2/mul_1.s b/contrib/libgmp/mpn/mips2/mul_1.s new file mode 100644 index 000000000000..d006fa12219d --- /dev/null +++ b/contrib/libgmp/mpn/mips2/mul_1.s @@ -0,0 +1,85 @@ + # MIPS __mpn_mul_1 -- Multiply a limb vector with a single limb and + # store the product in a second limb vector. + + # Copyright (C) 1992, 1994, 1996 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_mul_1 + .ent __mpn_mul_1 +__mpn_mul_1: + .set noreorder + .set nomacro + + # warm up phase 0 + lw $8,0($5) + + # warm up phase 1 + addiu $5,$5,4 + multu $8,$7 + + addiu $6,$6,-1 + beq $6,$0,$LC0 + move $2,$0 # zero cy2 + + addiu $6,$6,-1 + beq $6,$0,$LC1 + lw $8,0($5) # load new s1 limb as early as possible + +Loop: mflo $10 + mfhi $9 + addiu $5,$5,4 + addu $10,$10,$2 # add old carry limb to low product limb + multu $8,$7 + lw $8,0($5) # load new s1 limb as early as possible + addiu $6,$6,-1 # decrement loop counter + sltu $2,$10,$2 # carry from previous addition -> $2 + sw $10,0($4) + addiu $4,$4,4 + bne $6,$0,Loop + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$LC1: mflo $10 + mfhi $9 + addu $10,$10,$2 + sltu $2,$10,$2 + multu $8,$7 + sw $10,0($4) + addiu $4,$4,4 + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 0 +$LC0: mflo $10 + mfhi $9 + addu $10,$10,$2 + sltu $2,$10,$2 + sw $10,0($4) + j $31 + addu $2,$9,$2 # add high product limb and carry from addition + + .end __mpn_mul_1 diff --git a/contrib/libgmp/mpn/mips2/rshift.s b/contrib/libgmp/mpn/mips2/rshift.s new file mode 100644 index 000000000000..a8beb4057713 --- /dev/null +++ b/contrib/libgmp/mpn/mips2/rshift.s @@ -0,0 +1,92 @@ + # MIPS2 __mpn_rshift -- + + # 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # src_ptr $5 + # size $6 + # cnt $7 + + .text + .align 2 + .globl __mpn_rshift + .ent __mpn_rshift +__mpn_rshift: + .set noreorder + .set nomacro + + lw $10,0($5) # load first limb + subu $13,$0,$7 + addiu $6,$6,-1 + and $9,$6,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + sll $2,$10,$13 # compute function result + + subu $6,$6,$9 + +.Loop0: lw $3,4($5) + addiu $4,$4,4 + addiu $5,$5,4 + addiu $9,$9,-1 + srl $11,$10,$7 + sll $12,$3,$13 + move $10,$3 + or $8,$11,$12 + bne $9,$0,.Loop0 + sw $8,-4($4) + +.L0: beq $6,$0,.Lend + nop + +.Loop: lw $3,4($5) + addiu $4,$4,16 + addiu $6,$6,-4 + srl $11,$10,$7 + sll $12,$3,$13 + + lw $10,8($5) + srl $14,$3,$7 + or $8,$11,$12 + sw $8,-16($4) + sll $9,$10,$13 + + lw $3,12($5) + srl $11,$10,$7 + or $8,$14,$9 + sw $8,-12($4) + sll $12,$3,$13 + + lw $10,16($5) + srl $14,$3,$7 + or $8,$11,$12 + sw $8,-8($4) + sll $9,$10,$13 + + addiu $5,$5,16 + or $8,$14,$9 + bgtz $6,.Loop + sw $8,-4($4) + +.Lend: srl $8,$10,$7 + j $31 + sw $8,0($4) + .end __mpn_rshift diff --git a/contrib/libgmp/mpn/mips2/sub_n.s b/contrib/libgmp/mpn/mips2/sub_n.s new file mode 100644 index 000000000000..3368ef29d665 --- /dev/null +++ b/contrib/libgmp/mpn/mips2/sub_n.s @@ -0,0 +1,120 @@ + # MIPS2 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and + # store difference in a third 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # s2_ptr $6 + # size $7 + + .text + .align 2 + .globl __mpn_sub_n + .ent __mpn_sub_n +__mpn_sub_n: + .set noreorder + .set nomacro + + lw $10,0($5) + lw $11,0($6) + + addiu $7,$7,-1 + and $9,$7,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + move $2,$0 + + subu $7,$7,$9 + +.Loop0: addiu $9,$9,-1 + lw $12,4($5) + addu $11,$11,$2 + lw $13,4($6) + sltu $8,$11,$2 + subu $11,$10,$11 + sltu $2,$10,$11 + sw $11,0($4) + or $2,$2,$8 + + addiu $5,$5,4 + addiu $6,$6,4 + move $10,$12 + move $11,$13 + bne $9,$0,.Loop0 + addiu $4,$4,4 + +.L0: beq $7,$0,.Lend + nop + +.Loop: addiu $7,$7,-4 + + lw $12,4($5) + addu $11,$11,$2 + lw $13,4($6) + sltu $8,$11,$2 + subu $11,$10,$11 + sltu $2,$10,$11 + sw $11,0($4) + or $2,$2,$8 + + lw $10,8($5) + addu $13,$13,$2 + lw $11,8($6) + sltu $8,$13,$2 + subu $13,$12,$13 + sltu $2,$12,$13 + sw $13,4($4) + or $2,$2,$8 + + lw $12,12($5) + addu $11,$11,$2 + lw $13,12($6) + sltu $8,$11,$2 + subu $11,$10,$11 + sltu $2,$10,$11 + sw $11,8($4) + or $2,$2,$8 + + lw $10,16($5) + addu $13,$13,$2 + lw $11,16($6) + sltu $8,$13,$2 + subu $13,$12,$13 + sltu $2,$12,$13 + sw $13,12($4) + or $2,$2,$8 + + addiu $5,$5,16 + addiu $6,$6,16 + + bne $7,$0,.Loop + addiu $4,$4,16 + +.Lend: addu $11,$11,$2 + sltu $8,$11,$2 + subu $11,$10,$11 + sltu $2,$10,$11 + sw $11,0($4) + j $31 + or $2,$2,$8 + + .end __mpn_sub_n diff --git a/contrib/libgmp/mpn/mips2/submul_1.s b/contrib/libgmp/mpn/mips2/submul_1.s new file mode 100644 index 000000000000..1324b6609048 --- /dev/null +++ b/contrib/libgmp/mpn/mips2/submul_1.s @@ -0,0 +1,97 @@ + # MIPS __mpn_submul_1 -- Multiply a limb vector with a single limb and + # subtract the product from a second limb vector. + + # Copyright (C) 1992, 1994, 1996 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_submul_1 + .ent __mpn_submul_1 +__mpn_submul_1: + .set noreorder + .set nomacro + + # warm up phase 0 + lw $8,0($5) + + # warm up phase 1 + addiu $5,$5,4 + multu $8,$7 + + addiu $6,$6,-1 + beq $6,$0,$LC0 + move $2,$0 # zero cy2 + + addiu $6,$6,-1 + beq $6,$0,$LC1 + lw $8,0($5) # load new s1 limb as early as possible + +Loop: lw $10,0($4) + mflo $3 + mfhi $9 + addiu $5,$5,4 + addu $3,$3,$2 # add old carry limb to low product limb + multu $8,$7 + lw $8,0($5) # load new s1 limb as early as possible + addiu $6,$6,-1 # decrement loop counter + sltu $2,$3,$2 # carry from previous addition -> $2 + subu $3,$10,$3 + sgtu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + addiu $4,$4,4 + bne $6,$0,Loop + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$LC1: lw $10,0($4) + mflo $3 + mfhi $9 + addu $3,$3,$2 + sltu $2,$3,$2 + multu $8,$7 + subu $3,$10,$3 + sgtu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + addiu $4,$4,4 + addu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 0 +$LC0: lw $10,0($4) + mflo $3 + mfhi $9 + addu $3,$3,$2 + sltu $2,$3,$2 + subu $3,$10,$3 + sgtu $10,$3,$10 + addu $2,$2,$10 + sw $3,0($4) + j $31 + addu $2,$9,$2 # add high product limb and carry from addition + + .end __mpn_submul_1 diff --git a/contrib/libgmp/mpn/mips3/README b/contrib/libgmp/mpn/mips3/README new file mode 100644 index 000000000000..e94b2c746078 --- /dev/null +++ b/contrib/libgmp/mpn/mips3/README @@ -0,0 +1,23 @@ +This directory contains mpn functions optimized for MIPS3. Example of +processors that implement MIPS3 are R4000, R4400, R4600, R4700, and R8000. + +RELEVANT OPTIMIZATION ISSUES + +1. On the R4000 and R4400, branches, both the plain and the "likely" ones, + take 3 cycles to execute. (The fastest possible loop will take 4 cycles, + because of the delay insn.) + + On the R4600, branches takes a single cycle + + On the R8000, branches often take no noticable cycles, as they are + executed in a separate function unit.. + +2. The R4000 and R4400 have a load latency of 4 cycles. + +3. On the R4000 and R4400, multiplies take a data-dependent number of + cycles, contrary to the SGI documentation. There seem to be 3 or 4 + possible latencies. + +STATUS + +Good... diff --git a/contrib/libgmp/mpn/mips3/add_n.s b/contrib/libgmp/mpn/mips3/add_n.s new file mode 100644 index 000000000000..996a449ebdb9 --- /dev/null +++ b/contrib/libgmp/mpn/mips3/add_n.s @@ -0,0 +1,120 @@ + # MIPS3 __mpn_add_n -- Add two limb vectors of the same length > 0 and + # store sum in a third 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # s2_ptr $6 + # size $7 + + .text + .align 2 + .globl __mpn_add_n + .ent __mpn_add_n +__mpn_add_n: + .set noreorder + .set nomacro + + ld $10,0($5) + ld $11,0($6) + + daddiu $7,$7,-1 + and $9,$7,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + move $2,$0 + + dsubu $7,$7,$9 + +.Loop0: daddiu $9,$9,-1 + ld $12,8($5) + daddu $11,$11,$2 + ld $13,8($6) + sltu $8,$11,$2 + daddu $11,$10,$11 + sltu $2,$11,$10 + sd $11,0($4) + or $2,$2,$8 + + daddiu $5,$5,8 + daddiu $6,$6,8 + move $10,$12 + move $11,$13 + bne $9,$0,.Loop0 + daddiu $4,$4,8 + +.L0: beq $7,$0,.Lend + nop + +.Loop: daddiu $7,$7,-4 + + ld $12,8($5) + daddu $11,$11,$2 + ld $13,8($6) + sltu $8,$11,$2 + daddu $11,$10,$11 + sltu $2,$11,$10 + sd $11,0($4) + or $2,$2,$8 + + ld $10,16($5) + daddu $13,$13,$2 + ld $11,16($6) + sltu $8,$13,$2 + daddu $13,$12,$13 + sltu $2,$13,$12 + sd $13,8($4) + or $2,$2,$8 + + ld $12,24($5) + daddu $11,$11,$2 + ld $13,24($6) + sltu $8,$11,$2 + daddu $11,$10,$11 + sltu $2,$11,$10 + sd $11,16($4) + or $2,$2,$8 + + ld $10,32($5) + daddu $13,$13,$2 + ld $11,32($6) + sltu $8,$13,$2 + daddu $13,$12,$13 + sltu $2,$13,$12 + sd $13,24($4) + or $2,$2,$8 + + daddiu $5,$5,32 + daddiu $6,$6,32 + + bne $7,$0,.Loop + daddiu $4,$4,32 + +.Lend: daddu $11,$11,$2 + sltu $8,$11,$2 + daddu $11,$10,$11 + sltu $2,$11,$10 + sd $11,0($4) + j $31 + or $2,$2,$8 + + .end __mpn_add_n diff --git a/contrib/libgmp/mpn/mips3/addmul_1.s b/contrib/libgmp/mpn/mips3/addmul_1.s new file mode 100644 index 000000000000..cd75c180133f --- /dev/null +++ b/contrib/libgmp/mpn/mips3/addmul_1.s @@ -0,0 +1,97 @@ + # 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 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_addmul_1 + .ent __mpn_addmul_1 +__mpn_addmul_1: + .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,$0,$LC0 + move $2,$0 # zero cy2 + + daddiu $6,$6,-1 + beq $6,$0,$LC1 + ld $8,0($5) # load new s1 limb as early as possible + +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,Loop + daddu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$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,$2 # add high product limb and carry from addition + + # cool down phase 0 +$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 diff --git a/contrib/libgmp/mpn/mips3/gmp-mparam.h b/contrib/libgmp/mpn/mips3/gmp-mparam.h new file mode 100644 index 000000000000..f3df7ff6e0ed --- /dev/null +++ b/contrib/libgmp/mpn/mips3/gmp-mparam.h @@ -0,0 +1,27 @@ +/* gmp-mparam.h -- Compiler/machine parameter header file. + +Copyright (C) 1991, 1993, 1994 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. */ + +#define BITS_PER_MP_LIMB 64 +#define BYTES_PER_MP_LIMB 8 +#define BITS_PER_LONGINT 32 +#define BITS_PER_INT 32 +#define BITS_PER_SHORTINT 16 +#define BITS_PER_CHAR 8 diff --git a/contrib/libgmp/mpn/mips3/lshift.s b/contrib/libgmp/mpn/mips3/lshift.s new file mode 100644 index 000000000000..324a6020c8fd --- /dev/null +++ b/contrib/libgmp/mpn/mips3/lshift.s @@ -0,0 +1,95 @@ + # MIPS3 __mpn_lshift -- + + # 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # src_ptr $5 + # size $6 + # cnt $7 + + .text + .align 2 + .globl __mpn_lshift + .ent __mpn_lshift +__mpn_lshift: + .set noreorder + .set nomacro + + dsll $2,$6,3 + daddu $5,$5,$2 # make r5 point at end of src + ld $10,-8($5) # load first limb + dsubu $13,$0,$7 + daddu $4,$4,$2 # make r4 point at end of res + daddiu $6,$6,-1 + and $9,$6,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + dsrl $2,$10,$13 # compute function result + + dsubu $6,$6,$9 + +.Loop0: ld $3,-16($5) + daddiu $4,$4,-8 + daddiu $5,$5,-8 + daddiu $9,$9,-1 + dsll $11,$10,$7 + dsrl $12,$3,$13 + move $10,$3 + or $8,$11,$12 + bne $9,$0,.Loop0 + sd $8,0($4) + +.L0: beq $6,$0,.Lend + nop + +.Loop: ld $3,-16($5) + daddiu $4,$4,-32 + daddiu $6,$6,-4 + dsll $11,$10,$7 + dsrl $12,$3,$13 + + ld $10,-24($5) + dsll $14,$3,$7 + or $8,$11,$12 + sd $8,24($4) + dsrl $9,$10,$13 + + ld $3,-32($5) + dsll $11,$10,$7 + or $8,$14,$9 + sd $8,16($4) + dsrl $12,$3,$13 + + ld $10,-40($5) + dsll $14,$3,$7 + or $8,$11,$12 + sd $8,8($4) + dsrl $9,$10,$13 + + daddiu $5,$5,-32 + or $8,$14,$9 + bgtz $6,.Loop + sd $8,0($4) + +.Lend: dsll $8,$10,$7 + j $31 + sd $8,-8($4) + .end __mpn_lshift diff --git a/contrib/libgmp/mpn/mips3/mul_1.s b/contrib/libgmp/mpn/mips3/mul_1.s new file mode 100644 index 000000000000..281d0574aa8c --- /dev/null +++ b/contrib/libgmp/mpn/mips3/mul_1.s @@ -0,0 +1,85 @@ + # MIPS3 __mpn_mul_1 -- Multiply a limb vector with a single limb and + # store the product in a second limb vector. + + # Copyright (C) 1992, 1994, 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_mul_1 + .ent __mpn_mul_1 +__mpn_mul_1: + .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,$0,$LC0 + move $2,$0 # zero cy2 + + daddiu $6,$6,-1 + beq $6,$0,$LC1 + ld $8,0($5) # load new s1 limb as early as possible + +Loop: mflo $10 + mfhi $9 + daddiu $5,$5,8 + daddu $10,$10,$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,$10,$2 # carry from previous addition -> $2 + sd $10,0($4) + daddiu $4,$4,8 + bne $6,$0,Loop + daddu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$LC1: mflo $10 + mfhi $9 + daddu $10,$10,$2 + sltu $2,$10,$2 + dmultu $8,$7 + sd $10,0($4) + daddiu $4,$4,8 + daddu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 0 +$LC0: mflo $10 + mfhi $9 + daddu $10,$10,$2 + sltu $2,$10,$2 + sd $10,0($4) + j $31 + daddu $2,$9,$2 # add high product limb and carry from addition + + .end __mpn_mul_1 diff --git a/contrib/libgmp/mpn/mips3/rshift.s b/contrib/libgmp/mpn/mips3/rshift.s new file mode 100644 index 000000000000..9920e1a9e3a9 --- /dev/null +++ b/contrib/libgmp/mpn/mips3/rshift.s @@ -0,0 +1,92 @@ + # MIPS3 __mpn_rshift -- + + # 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # src_ptr $5 + # size $6 + # cnt $7 + + .text + .align 2 + .globl __mpn_rshift + .ent __mpn_rshift +__mpn_rshift: + .set noreorder + .set nomacro + + ld $10,0($5) # load first limb + dsubu $13,$0,$7 + daddiu $6,$6,-1 + and $9,$6,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + dsll $2,$10,$13 # compute function result + + dsubu $6,$6,$9 + +.Loop0: ld $3,8($5) + daddiu $4,$4,8 + daddiu $5,$5,8 + daddiu $9,$9,-1 + dsrl $11,$10,$7 + dsll $12,$3,$13 + move $10,$3 + or $8,$11,$12 + bne $9,$0,.Loop0 + sd $8,-8($4) + +.L0: beq $6,$0,.Lend + nop + +.Loop: ld $3,8($5) + daddiu $4,$4,32 + daddiu $6,$6,-4 + dsrl $11,$10,$7 + dsll $12,$3,$13 + + ld $10,16($5) + dsrl $14,$3,$7 + or $8,$11,$12 + sd $8,-32($4) + dsll $9,$10,$13 + + ld $3,24($5) + dsrl $11,$10,$7 + or $8,$14,$9 + sd $8,-24($4) + dsll $12,$3,$13 + + ld $10,32($5) + dsrl $14,$3,$7 + or $8,$11,$12 + sd $8,-16($4) + dsll $9,$10,$13 + + daddiu $5,$5,32 + or $8,$14,$9 + bgtz $6,.Loop + sd $8,-8($4) + +.Lend: dsrl $8,$10,$7 + j $31 + sd $8,0($4) + .end __mpn_rshift diff --git a/contrib/libgmp/mpn/mips3/sub_n.s b/contrib/libgmp/mpn/mips3/sub_n.s new file mode 100644 index 000000000000..56c77d8bc4e7 --- /dev/null +++ b/contrib/libgmp/mpn/mips3/sub_n.s @@ -0,0 +1,120 @@ + # MIPS3 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and + # store difference in a third 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # s2_ptr $6 + # size $7 + + .text + .align 2 + .globl __mpn_sub_n + .ent __mpn_sub_n +__mpn_sub_n: + .set noreorder + .set nomacro + + ld $10,0($5) + ld $11,0($6) + + daddiu $7,$7,-1 + and $9,$7,4-1 # number of limbs in first loop + beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop + move $2,$0 + + dsubu $7,$7,$9 + +.Loop0: daddiu $9,$9,-1 + ld $12,8($5) + daddu $11,$11,$2 + ld $13,8($6) + sltu $8,$11,$2 + dsubu $11,$10,$11 + sltu $2,$10,$11 + sd $11,0($4) + or $2,$2,$8 + + daddiu $5,$5,8 + daddiu $6,$6,8 + move $10,$12 + move $11,$13 + bne $9,$0,.Loop0 + daddiu $4,$4,8 + +.L0: beq $7,$0,.Lend + nop + +.Loop: daddiu $7,$7,-4 + + ld $12,8($5) + daddu $11,$11,$2 + ld $13,8($6) + sltu $8,$11,$2 + dsubu $11,$10,$11 + sltu $2,$10,$11 + sd $11,0($4) + or $2,$2,$8 + + ld $10,16($5) + daddu $13,$13,$2 + ld $11,16($6) + sltu $8,$13,$2 + dsubu $13,$12,$13 + sltu $2,$12,$13 + sd $13,8($4) + or $2,$2,$8 + + ld $12,24($5) + daddu $11,$11,$2 + ld $13,24($6) + sltu $8,$11,$2 + dsubu $11,$10,$11 + sltu $2,$10,$11 + sd $11,16($4) + or $2,$2,$8 + + ld $10,32($5) + daddu $13,$13,$2 + ld $11,32($6) + sltu $8,$13,$2 + dsubu $13,$12,$13 + sltu $2,$12,$13 + sd $13,24($4) + or $2,$2,$8 + + daddiu $5,$5,32 + daddiu $6,$6,32 + + bne $7,$0,.Loop + daddiu $4,$4,32 + +.Lend: daddu $11,$11,$2 + sltu $8,$11,$2 + dsubu $11,$10,$11 + sltu $2,$10,$11 + sd $11,0($4) + j $31 + or $2,$2,$8 + + .end __mpn_sub_n diff --git a/contrib/libgmp/mpn/mips3/submul_1.s b/contrib/libgmp/mpn/mips3/submul_1.s new file mode 100644 index 000000000000..a9c9fa25149d --- /dev/null +++ b/contrib/libgmp/mpn/mips3/submul_1.s @@ -0,0 +1,97 @@ + # MIPS3 __mpn_submul_1 -- Multiply a limb vector with a single limb and + # subtract the product from a second limb vector. + + # Copyright (C) 1992, 1994, 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. + + + # INPUT PARAMETERS + # res_ptr $4 + # s1_ptr $5 + # size $6 + # s2_limb $7 + + .text + .align 4 + .globl __mpn_submul_1 + .ent __mpn_submul_1 +__mpn_submul_1: + .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,$0,$LC0 + move $2,$0 # zero cy2 + + daddiu $6,$6,-1 + beq $6,$0,$LC1 + ld $8,0($5) # load new s1 limb as early as possible + +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 + dsubu $3,$10,$3 + sgtu $10,$3,$10 + daddu $2,$2,$10 + sd $3,0($4) + daddiu $4,$4,8 + bne $6,$0,Loop + daddu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 1 +$LC1: ld $10,0($4) + mflo $3 + mfhi $9 + daddu $3,$3,$2 + sltu $2,$3,$2 + dmultu $8,$7 + dsubu $3,$10,$3 + sgtu $10,$3,$10 + daddu $2,$2,$10 + sd $3,0($4) + daddiu $4,$4,8 + daddu $2,$9,$2 # add high product limb and carry from addition + + # cool down phase 0 +$LC0: ld $10,0($4) + mflo $3 + mfhi $9 + daddu $3,$3,$2 + sltu $2,$3,$2 + dsubu $3,$10,$3 + sgtu $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_submul_1 |