diff options
Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpn/mips32/rshift.asm')
-rw-r--r-- | Build/source/libs/gmp/gmp-6.0.0/mpn/mips32/rshift.asm | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/mips32/rshift.asm b/Build/source/libs/gmp/gmp-6.0.0/mpn/mips32/rshift.asm new file mode 100644 index 00000000000..4b54510408f --- /dev/null +++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/mips32/rshift.asm @@ -0,0 +1,96 @@ +dnl MIPS32 mpn_rshift -- Right shift. + +dnl Copyright 1995, 2000, 2002 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. +dnl +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of either: +dnl +dnl * the GNU Lesser General Public License as published by the Free +dnl Software Foundation; either version 3 of the License, or (at your +dnl option) any later version. +dnl +dnl or +dnl +dnl * the GNU General Public License as published by the Free Software +dnl Foundation; either version 2 of the License, or (at your option) any +dnl later version. +dnl +dnl or both in parallel, as here. +dnl +dnl The GNU MP Library is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +dnl for more details. +dnl +dnl You should have received copies of the GNU General Public License and the +dnl GNU Lesser General Public License along with the GNU MP Library. If not, +dnl see https://www.gnu.org/licenses/. + +include(`../config.m4') + +C INPUT PARAMETERS +C res_ptr $4 +C src_ptr $5 +C size $6 +C cnt $7 + +ASM_START() +PROLOGUE(mpn_rshift) + lw $10,0($5) C load first limb + subu $13,$0,$7 + addiu $6,$6,-1 + and $9,$6,4-1 C number of limbs in first loop + beq $9,$0,.L0 C if multiple of 4 limbs, skip first loop + sll $2,$10,$13 C 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) +EPILOGUE(mpn_rshift) |