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Diffstat (limited to 'plugins/MirOTR/libgcrypt-1.4.6/mpi/power/mpih-mul1.S')
| -rw-r--r-- | plugins/MirOTR/libgcrypt-1.4.6/mpi/power/mpih-mul1.S | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/plugins/MirOTR/libgcrypt-1.4.6/mpi/power/mpih-mul1.S b/plugins/MirOTR/libgcrypt-1.4.6/mpi/power/mpih-mul1.S deleted file mode 100644 index 35034fa408..0000000000 --- a/plugins/MirOTR/libgcrypt-1.4.6/mpi/power/mpih-mul1.S +++ /dev/null @@ -1,115 +0,0 @@ -/* IBM POWER mul_1 -- Multiply a limb vector with a limb and store - * the result in a second limb vector. - * - * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. - * - * This file is part of Libgcrypt. - * - * Libgcrypt 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. - * - * Libgcrypt 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include "sysdep.h" -#include "asm-syntax.h" - -/* -# INPUT PARAMETERS -# res_ptr r3 -# s1_ptr r4 -# size r5 -# s2_limb r6 - -# The RS/6000 has no unsigned 32x32->64 bit multiplication instruction. To -# obtain that operation, we have to use the 32x32->64 signed multiplication -# instruction, and add the appropriate compensation to the high limb of the -# result. We add the multiplicand if the multiplier has its most significant -# bit set, and we add the multiplier if the multiplicand has its most -# significant bit set. We need to preserve the carry flag between each -# iteration, so we have to compute the compensation carefully (the natural, -# srai+and doesn't work). Since the POWER architecture has a branch unit -# we can branch in zero cycles, so that's how we perform the additions. - */ - - .toc - .csect ._gcry_mpih_mul_1[PR] - .align 2 - .globl _gcry_mpih_mul_1 - .globl ._gcry_mpih_mul_1 - .csect _gcry_mpih_mul_1[DS] -_gcry_mpih_mul_1: - .long ._gcry_mpih_mul_1[PR], TOC[tc0], 0 - .csect ._gcry_mpih_mul_1[PR] -._gcry_mpih_mul_1: - - cal 3,-4(3) - l 0,0(4) - cmpi 0,6,0 - mtctr 5 - mul 9,0,6 - srai 7,0,31 - and 7,7,6 - mfmq 8 - ai 0,0,0 # reset carry - cax 9,9,7 - blt Lneg -Lpos: bdz Lend -Lploop: lu 0,4(4) - stu 8,4(3) - cmpi 0,0,0 - mul 10,0,6 - mfmq 0 - ae 8,0,9 - bge Lp0 - cax 10,10,6 # adjust high limb for negative limb from s1 -Lp0: bdz Lend0 - lu 0,4(4) - stu 8,4(3) - cmpi 0,0,0 - mul 9,0,6 - mfmq 0 - ae 8,0,10 - bge Lp1 - cax 9,9,6 # adjust high limb for negative limb from s1 -Lp1: bdn Lploop - b Lend - -Lneg: cax 9,9,0 - bdz Lend -Lnloop: lu 0,4(4) - stu 8,4(3) - cmpi 0,0,0 - mul 10,0,6 - cax 10,10,0 # adjust high limb for negative s2_limb - mfmq 0 - ae 8,0,9 - bge Ln0 - cax 10,10,6 # adjust high limb for negative limb from s1 -Ln0: bdz Lend0 - lu 0,4(4) - stu 8,4(3) - cmpi 0,0,0 - mul 9,0,6 - cax 9,9,0 # adjust high limb for negative s2_limb - mfmq 0 - ae 8,0,10 - bge Ln1 - cax 9,9,6 # adjust high limb for negative limb from s1 -Ln1: bdn Lnloop - b Lend - -Lend0: cal 9,0(10) -Lend: st 8,4(3) - aze 3,9 - br - |