[398] | 1 | /**
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| 2 | * \file bn_mul.h
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| 3 | *
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| 4 | * \brief Multi-precision integer library
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| 5 | */
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| 6 | /*
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| 7 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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| 8 | * SPDX-License-Identifier: Apache-2.0
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| 9 | *
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| 10 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
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| 11 | * not use this file except in compliance with the License.
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| 12 | * You may obtain a copy of the License at
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| 13 | *
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| 14 | * http://www.apache.org/licenses/LICENSE-2.0
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| 15 | *
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| 16 | * Unless required by applicable law or agreed to in writing, software
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| 17 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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| 18 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 19 | * See the License for the specific language governing permissions and
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| 20 | * limitations under the License.
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| 21 | *
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| 22 | * This file is part of mbed TLS (https://tls.mbed.org)
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| 23 | */
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| 24 | /*
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| 25 | * Multiply source vector [s] with b, add result
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| 26 | * to destination vector [d] and set carry c.
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| 27 | *
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| 28 | * Currently supports:
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| 29 | *
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| 30 | * . IA-32 (386+) . AMD64 / EM64T
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| 31 | * . IA-32 (SSE2) . Motorola 68000
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| 32 | * . PowerPC, 32-bit . MicroBlaze
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| 33 | * . PowerPC, 64-bit . TriCore
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| 34 | * . SPARC v8 . ARM v3+
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| 35 | * . Alpha . MIPS32
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| 36 | * . C, longlong . C, generic
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| 37 | */
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| 38 | #ifndef MBEDTLS_BN_MUL_H
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| 39 | #define MBEDTLS_BN_MUL_H
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| 40 |
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| 41 | #if !defined(MBEDTLS_CONFIG_FILE)
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| 42 | #include "config.h"
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| 43 | #else
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| 44 | #include MBEDTLS_CONFIG_FILE
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| 45 | #endif
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| 46 |
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| 47 | #include "bignum.h"
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| 48 |
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| 49 | #if defined(MBEDTLS_HAVE_ASM)
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| 50 |
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| 51 | #ifndef asm
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| 52 | #define asm __asm
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| 53 | #endif
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| 54 |
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| 55 | /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
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| 56 | #if defined(__GNUC__) && \
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| 57 | ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
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| 58 |
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| 59 | /*
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| 60 | * Disable use of the i386 assembly code below if option -O0, to disable all
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| 61 | * compiler optimisations, is passed, detected with __OPTIMIZE__
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| 62 | * This is done as the number of registers used in the assembly code doesn't
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| 63 | * work with the -O0 option.
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| 64 | */
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| 65 | #if defined(__i386__) && defined(__OPTIMIZE__)
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| 66 |
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| 67 | #define MULADDC_INIT \
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| 68 | asm( \
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| 69 | "movl %%ebx, %0 \n\t" \
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| 70 | "movl %5, %%esi \n\t" \
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| 71 | "movl %6, %%edi \n\t" \
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| 72 | "movl %7, %%ecx \n\t" \
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| 73 | "movl %8, %%ebx \n\t"
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| 74 |
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| 75 | #define MULADDC_CORE \
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| 76 | "lodsl \n\t" \
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| 77 | "mull %%ebx \n\t" \
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| 78 | "addl %%ecx, %%eax \n\t" \
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| 79 | "adcl $0, %%edx \n\t" \
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| 80 | "addl (%%edi), %%eax \n\t" \
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| 81 | "adcl $0, %%edx \n\t" \
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| 82 | "movl %%edx, %%ecx \n\t" \
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| 83 | "stosl \n\t"
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| 84 |
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| 85 | #if defined(MBEDTLS_HAVE_SSE2)
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| 86 |
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| 87 | #define MULADDC_HUIT \
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| 88 | "movd %%ecx, %%mm1 \n\t" \
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| 89 | "movd %%ebx, %%mm0 \n\t" \
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| 90 | "movd (%%edi), %%mm3 \n\t" \
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| 91 | "paddq %%mm3, %%mm1 \n\t" \
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| 92 | "movd (%%esi), %%mm2 \n\t" \
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| 93 | "pmuludq %%mm0, %%mm2 \n\t" \
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| 94 | "movd 4(%%esi), %%mm4 \n\t" \
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| 95 | "pmuludq %%mm0, %%mm4 \n\t" \
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| 96 | "movd 8(%%esi), %%mm6 \n\t" \
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| 97 | "pmuludq %%mm0, %%mm6 \n\t" \
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| 98 | "movd 12(%%esi), %%mm7 \n\t" \
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| 99 | "pmuludq %%mm0, %%mm7 \n\t" \
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| 100 | "paddq %%mm2, %%mm1 \n\t" \
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| 101 | "movd 4(%%edi), %%mm3 \n\t" \
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| 102 | "paddq %%mm4, %%mm3 \n\t" \
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| 103 | "movd 8(%%edi), %%mm5 \n\t" \
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| 104 | "paddq %%mm6, %%mm5 \n\t" \
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| 105 | "movd 12(%%edi), %%mm4 \n\t" \
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| 106 | "paddq %%mm4, %%mm7 \n\t" \
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| 107 | "movd %%mm1, (%%edi) \n\t" \
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| 108 | "movd 16(%%esi), %%mm2 \n\t" \
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| 109 | "pmuludq %%mm0, %%mm2 \n\t" \
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| 110 | "psrlq $32, %%mm1 \n\t" \
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| 111 | "movd 20(%%esi), %%mm4 \n\t" \
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| 112 | "pmuludq %%mm0, %%mm4 \n\t" \
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| 113 | "paddq %%mm3, %%mm1 \n\t" \
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| 114 | "movd 24(%%esi), %%mm6 \n\t" \
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| 115 | "pmuludq %%mm0, %%mm6 \n\t" \
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| 116 | "movd %%mm1, 4(%%edi) \n\t" \
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| 117 | "psrlq $32, %%mm1 \n\t" \
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| 118 | "movd 28(%%esi), %%mm3 \n\t" \
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| 119 | "pmuludq %%mm0, %%mm3 \n\t" \
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| 120 | "paddq %%mm5, %%mm1 \n\t" \
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| 121 | "movd 16(%%edi), %%mm5 \n\t" \
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| 122 | "paddq %%mm5, %%mm2 \n\t" \
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| 123 | "movd %%mm1, 8(%%edi) \n\t" \
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| 124 | "psrlq $32, %%mm1 \n\t" \
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| 125 | "paddq %%mm7, %%mm1 \n\t" \
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| 126 | "movd 20(%%edi), %%mm5 \n\t" \
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| 127 | "paddq %%mm5, %%mm4 \n\t" \
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| 128 | "movd %%mm1, 12(%%edi) \n\t" \
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| 129 | "psrlq $32, %%mm1 \n\t" \
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| 130 | "paddq %%mm2, %%mm1 \n\t" \
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| 131 | "movd 24(%%edi), %%mm5 \n\t" \
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| 132 | "paddq %%mm5, %%mm6 \n\t" \
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| 133 | "movd %%mm1, 16(%%edi) \n\t" \
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| 134 | "psrlq $32, %%mm1 \n\t" \
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| 135 | "paddq %%mm4, %%mm1 \n\t" \
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| 136 | "movd 28(%%edi), %%mm5 \n\t" \
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| 137 | "paddq %%mm5, %%mm3 \n\t" \
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| 138 | "movd %%mm1, 20(%%edi) \n\t" \
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| 139 | "psrlq $32, %%mm1 \n\t" \
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| 140 | "paddq %%mm6, %%mm1 \n\t" \
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| 141 | "movd %%mm1, 24(%%edi) \n\t" \
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| 142 | "psrlq $32, %%mm1 \n\t" \
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| 143 | "paddq %%mm3, %%mm1 \n\t" \
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| 144 | "movd %%mm1, 28(%%edi) \n\t" \
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| 145 | "addl $32, %%edi \n\t" \
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| 146 | "addl $32, %%esi \n\t" \
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| 147 | "psrlq $32, %%mm1 \n\t" \
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| 148 | "movd %%mm1, %%ecx \n\t"
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| 149 |
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| 150 | #define MULADDC_STOP \
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| 151 | "emms \n\t" \
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| 152 | "movl %4, %%ebx \n\t" \
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| 153 | "movl %%ecx, %1 \n\t" \
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| 154 | "movl %%edi, %2 \n\t" \
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| 155 | "movl %%esi, %3 \n\t" \
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| 156 | : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
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| 157 | : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
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| 158 | : "eax", "ebx", "ecx", "edx", "esi", "edi" \
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| 159 | );
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| 160 |
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| 161 | #else
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| 162 |
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| 163 | #define MULADDC_STOP \
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| 164 | "movl %4, %%ebx \n\t" \
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| 165 | "movl %%ecx, %1 \n\t" \
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| 166 | "movl %%edi, %2 \n\t" \
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| 167 | "movl %%esi, %3 \n\t" \
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| 168 | : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
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| 169 | : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
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| 170 | : "eax", "ebx", "ecx", "edx", "esi", "edi" \
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| 171 | );
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| 172 | #endif /* SSE2 */
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| 173 | #endif /* i386 */
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| 174 |
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| 175 | #if defined(__amd64__) || defined (__x86_64__)
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| 176 |
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| 177 | #define MULADDC_INIT \
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| 178 | asm( \
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| 179 | "xorq %%r8, %%r8\n"
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| 180 |
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| 181 | #define MULADDC_CORE \
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| 182 | "movq (%%rsi), %%rax\n" \
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| 183 | "mulq %%rbx\n" \
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| 184 | "addq $8, %%rsi\n" \
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| 185 | "addq %%rcx, %%rax\n" \
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| 186 | "movq %%r8, %%rcx\n" \
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| 187 | "adcq $0, %%rdx\n" \
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| 188 | "nop \n" \
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| 189 | "addq %%rax, (%%rdi)\n" \
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| 190 | "adcq %%rdx, %%rcx\n" \
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| 191 | "addq $8, %%rdi\n"
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| 192 |
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| 193 | #define MULADDC_STOP \
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| 194 | : "+c" (c), "+D" (d), "+S" (s) \
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| 195 | : "b" (b) \
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| 196 | : "rax", "rdx", "r8" \
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| 197 | );
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| 198 |
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| 199 | #endif /* AMD64 */
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| 200 |
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| 201 | #if defined(__mc68020__) || defined(__mcpu32__)
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| 202 |
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| 203 | #define MULADDC_INIT \
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| 204 | asm( \
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| 205 | "movl %3, %%a2 \n\t" \
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| 206 | "movl %4, %%a3 \n\t" \
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| 207 | "movl %5, %%d3 \n\t" \
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| 208 | "movl %6, %%d2 \n\t" \
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| 209 | "moveq #0, %%d0 \n\t"
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| 210 |
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| 211 | #define MULADDC_CORE \
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| 212 | "movel %%a2@+, %%d1 \n\t" \
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| 213 | "mulul %%d2, %%d4:%%d1 \n\t" \
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| 214 | "addl %%d3, %%d1 \n\t" \
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| 215 | "addxl %%d0, %%d4 \n\t" \
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| 216 | "moveq #0, %%d3 \n\t" \
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| 217 | "addl %%d1, %%a3@+ \n\t" \
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| 218 | "addxl %%d4, %%d3 \n\t"
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| 219 |
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| 220 | #define MULADDC_STOP \
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| 221 | "movl %%d3, %0 \n\t" \
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| 222 | "movl %%a3, %1 \n\t" \
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| 223 | "movl %%a2, %2 \n\t" \
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| 224 | : "=m" (c), "=m" (d), "=m" (s) \
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| 225 | : "m" (s), "m" (d), "m" (c), "m" (b) \
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| 226 | : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
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| 227 | );
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| 228 |
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| 229 | #define MULADDC_HUIT \
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| 230 | "movel %%a2@+, %%d1 \n\t" \
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| 231 | "mulul %%d2, %%d4:%%d1 \n\t" \
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| 232 | "addxl %%d3, %%d1 \n\t" \
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| 233 | "addxl %%d0, %%d4 \n\t" \
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| 234 | "addl %%d1, %%a3@+ \n\t" \
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| 235 | "movel %%a2@+, %%d1 \n\t" \
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| 236 | "mulul %%d2, %%d3:%%d1 \n\t" \
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| 237 | "addxl %%d4, %%d1 \n\t" \
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| 238 | "addxl %%d0, %%d3 \n\t" \
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| 239 | "addl %%d1, %%a3@+ \n\t" \
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| 240 | "movel %%a2@+, %%d1 \n\t" \
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| 241 | "mulul %%d2, %%d4:%%d1 \n\t" \
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| 242 | "addxl %%d3, %%d1 \n\t" \
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| 243 | "addxl %%d0, %%d4 \n\t" \
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| 244 | "addl %%d1, %%a3@+ \n\t" \
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| 245 | "movel %%a2@+, %%d1 \n\t" \
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| 246 | "mulul %%d2, %%d3:%%d1 \n\t" \
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| 247 | "addxl %%d4, %%d1 \n\t" \
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| 248 | "addxl %%d0, %%d3 \n\t" \
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| 249 | "addl %%d1, %%a3@+ \n\t" \
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| 250 | "movel %%a2@+, %%d1 \n\t" \
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| 251 | "mulul %%d2, %%d4:%%d1 \n\t" \
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| 252 | "addxl %%d3, %%d1 \n\t" \
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| 253 | "addxl %%d0, %%d4 \n\t" \
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| 254 | "addl %%d1, %%a3@+ \n\t" \
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| 255 | "movel %%a2@+, %%d1 \n\t" \
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| 256 | "mulul %%d2, %%d3:%%d1 \n\t" \
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| 257 | "addxl %%d4, %%d1 \n\t" \
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| 258 | "addxl %%d0, %%d3 \n\t" \
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| 259 | "addl %%d1, %%a3@+ \n\t" \
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| 260 | "movel %%a2@+, %%d1 \n\t" \
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| 261 | "mulul %%d2, %%d4:%%d1 \n\t" \
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| 262 | "addxl %%d3, %%d1 \n\t" \
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| 263 | "addxl %%d0, %%d4 \n\t" \
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| 264 | "addl %%d1, %%a3@+ \n\t" \
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| 265 | "movel %%a2@+, %%d1 \n\t" \
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| 266 | "mulul %%d2, %%d3:%%d1 \n\t" \
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| 267 | "addxl %%d4, %%d1 \n\t" \
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| 268 | "addxl %%d0, %%d3 \n\t" \
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| 269 | "addl %%d1, %%a3@+ \n\t" \
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| 270 | "addxl %%d0, %%d3 \n\t"
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| 271 |
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| 272 | #endif /* MC68000 */
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| 273 |
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| 274 | #if defined(__powerpc64__) || defined(__ppc64__)
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| 275 |
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| 276 | #if defined(__MACH__) && defined(__APPLE__)
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| 277 |
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| 278 | #define MULADDC_INIT \
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| 279 | asm( \
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| 280 | "ld r3, %3 \n\t" \
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| 281 | "ld r4, %4 \n\t" \
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| 282 | "ld r5, %5 \n\t" \
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| 283 | "ld r6, %6 \n\t" \
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| 284 | "addi r3, r3, -8 \n\t" \
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| 285 | "addi r4, r4, -8 \n\t" \
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| 286 | "addic r5, r5, 0 \n\t"
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| 287 |
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| 288 | #define MULADDC_CORE \
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| 289 | "ldu r7, 8(r3) \n\t" \
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| 290 | "mulld r8, r7, r6 \n\t" \
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| 291 | "mulhdu r9, r7, r6 \n\t" \
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| 292 | "adde r8, r8, r5 \n\t" \
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| 293 | "ld r7, 8(r4) \n\t" \
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| 294 | "addze r5, r9 \n\t" \
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| 295 | "addc r8, r8, r7 \n\t" \
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| 296 | "stdu r8, 8(r4) \n\t"
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| 297 |
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| 298 | #define MULADDC_STOP \
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| 299 | "addze r5, r5 \n\t" \
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| 300 | "addi r4, r4, 8 \n\t" \
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| 301 | "addi r3, r3, 8 \n\t" \
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| 302 | "std r5, %0 \n\t" \
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| 303 | "std r4, %1 \n\t" \
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| 304 | "std r3, %2 \n\t" \
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| 305 | : "=m" (c), "=m" (d), "=m" (s) \
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| 306 | : "m" (s), "m" (d), "m" (c), "m" (b) \
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| 307 | : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
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| 308 | );
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| 309 |
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| 310 |
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| 311 | #else /* __MACH__ && __APPLE__ */
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| 312 |
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| 313 | #define MULADDC_INIT \
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| 314 | asm( \
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| 315 | "ld %%r3, %3 \n\t" \
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| 316 | "ld %%r4, %4 \n\t" \
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| 317 | "ld %%r5, %5 \n\t" \
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| 318 | "ld %%r6, %6 \n\t" \
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| 319 | "addi %%r3, %%r3, -8 \n\t" \
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| 320 | "addi %%r4, %%r4, -8 \n\t" \
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| 321 | "addic %%r5, %%r5, 0 \n\t"
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| 322 |
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| 323 | #define MULADDC_CORE \
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| 324 | "ldu %%r7, 8(%%r3) \n\t" \
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| 325 | "mulld %%r8, %%r7, %%r6 \n\t" \
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| 326 | "mulhdu %%r9, %%r7, %%r6 \n\t" \
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| 327 | "adde %%r8, %%r8, %%r5 \n\t" \
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| 328 | "ld %%r7, 8(%%r4) \n\t" \
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| 329 | "addze %%r5, %%r9 \n\t" \
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| 330 | "addc %%r8, %%r8, %%r7 \n\t" \
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| 331 | "stdu %%r8, 8(%%r4) \n\t"
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| 332 |
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| 333 | #define MULADDC_STOP \
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| 334 | "addze %%r5, %%r5 \n\t" \
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| 335 | "addi %%r4, %%r4, 8 \n\t" \
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| 336 | "addi %%r3, %%r3, 8 \n\t" \
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| 337 | "std %%r5, %0 \n\t" \
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| 338 | "std %%r4, %1 \n\t" \
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| 339 | "std %%r3, %2 \n\t" \
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| 340 | : "=m" (c), "=m" (d), "=m" (s) \
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| 341 | : "m" (s), "m" (d), "m" (c), "m" (b) \
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| 342 | : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
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| 343 | );
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| 344 |
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| 345 | #endif /* __MACH__ && __APPLE__ */
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| 346 |
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| 347 | #elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
|
---|
| 348 |
|
---|
| 349 | #if defined(__MACH__) && defined(__APPLE__)
|
---|
| 350 |
|
---|
| 351 | #define MULADDC_INIT \
|
---|
| 352 | asm( \
|
---|
| 353 | "lwz r3, %3 \n\t" \
|
---|
| 354 | "lwz r4, %4 \n\t" \
|
---|
| 355 | "lwz r5, %5 \n\t" \
|
---|
| 356 | "lwz r6, %6 \n\t" \
|
---|
| 357 | "addi r3, r3, -4 \n\t" \
|
---|
| 358 | "addi r4, r4, -4 \n\t" \
|
---|
| 359 | "addic r5, r5, 0 \n\t"
|
---|
| 360 |
|
---|
| 361 | #define MULADDC_CORE \
|
---|
| 362 | "lwzu r7, 4(r3) \n\t" \
|
---|
| 363 | "mullw r8, r7, r6 \n\t" \
|
---|
| 364 | "mulhwu r9, r7, r6 \n\t" \
|
---|
| 365 | "adde r8, r8, r5 \n\t" \
|
---|
| 366 | "lwz r7, 4(r4) \n\t" \
|
---|
| 367 | "addze r5, r9 \n\t" \
|
---|
| 368 | "addc r8, r8, r7 \n\t" \
|
---|
| 369 | "stwu r8, 4(r4) \n\t"
|
---|
| 370 |
|
---|
| 371 | #define MULADDC_STOP \
|
---|
| 372 | "addze r5, r5 \n\t" \
|
---|
| 373 | "addi r4, r4, 4 \n\t" \
|
---|
| 374 | "addi r3, r3, 4 \n\t" \
|
---|
| 375 | "stw r5, %0 \n\t" \
|
---|
| 376 | "stw r4, %1 \n\t" \
|
---|
| 377 | "stw r3, %2 \n\t" \
|
---|
| 378 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 379 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 380 | : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
|
---|
| 381 | );
|
---|
| 382 |
|
---|
| 383 | #else /* __MACH__ && __APPLE__ */
|
---|
| 384 |
|
---|
| 385 | #define MULADDC_INIT \
|
---|
| 386 | asm( \
|
---|
| 387 | "lwz %%r3, %3 \n\t" \
|
---|
| 388 | "lwz %%r4, %4 \n\t" \
|
---|
| 389 | "lwz %%r5, %5 \n\t" \
|
---|
| 390 | "lwz %%r6, %6 \n\t" \
|
---|
| 391 | "addi %%r3, %%r3, -4 \n\t" \
|
---|
| 392 | "addi %%r4, %%r4, -4 \n\t" \
|
---|
| 393 | "addic %%r5, %%r5, 0 \n\t"
|
---|
| 394 |
|
---|
| 395 | #define MULADDC_CORE \
|
---|
| 396 | "lwzu %%r7, 4(%%r3) \n\t" \
|
---|
| 397 | "mullw %%r8, %%r7, %%r6 \n\t" \
|
---|
| 398 | "mulhwu %%r9, %%r7, %%r6 \n\t" \
|
---|
| 399 | "adde %%r8, %%r8, %%r5 \n\t" \
|
---|
| 400 | "lwz %%r7, 4(%%r4) \n\t" \
|
---|
| 401 | "addze %%r5, %%r9 \n\t" \
|
---|
| 402 | "addc %%r8, %%r8, %%r7 \n\t" \
|
---|
| 403 | "stwu %%r8, 4(%%r4) \n\t"
|
---|
| 404 |
|
---|
| 405 | #define MULADDC_STOP \
|
---|
| 406 | "addze %%r5, %%r5 \n\t" \
|
---|
| 407 | "addi %%r4, %%r4, 4 \n\t" \
|
---|
| 408 | "addi %%r3, %%r3, 4 \n\t" \
|
---|
| 409 | "stw %%r5, %0 \n\t" \
|
---|
| 410 | "stw %%r4, %1 \n\t" \
|
---|
| 411 | "stw %%r3, %2 \n\t" \
|
---|
| 412 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 413 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 414 | : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
|
---|
| 415 | );
|
---|
| 416 |
|
---|
| 417 | #endif /* __MACH__ && __APPLE__ */
|
---|
| 418 |
|
---|
| 419 | #endif /* PPC32 */
|
---|
| 420 |
|
---|
| 421 | /*
|
---|
| 422 | * The Sparc(64) assembly is reported to be broken.
|
---|
| 423 | * Disable it for now, until we're able to fix it.
|
---|
| 424 | */
|
---|
| 425 | #if 0 && defined(__sparc__)
|
---|
| 426 | #if defined(__sparc64__)
|
---|
| 427 |
|
---|
| 428 | #define MULADDC_INIT \
|
---|
| 429 | asm( \
|
---|
| 430 | "ldx %3, %%o0 \n\t" \
|
---|
| 431 | "ldx %4, %%o1 \n\t" \
|
---|
| 432 | "ld %5, %%o2 \n\t" \
|
---|
| 433 | "ld %6, %%o3 \n\t"
|
---|
| 434 |
|
---|
| 435 | #define MULADDC_CORE \
|
---|
| 436 | "ld [%%o0], %%o4 \n\t" \
|
---|
| 437 | "inc 4, %%o0 \n\t" \
|
---|
| 438 | "ld [%%o1], %%o5 \n\t" \
|
---|
| 439 | "umul %%o3, %%o4, %%o4 \n\t" \
|
---|
| 440 | "addcc %%o4, %%o2, %%o4 \n\t" \
|
---|
| 441 | "rd %%y, %%g1 \n\t" \
|
---|
| 442 | "addx %%g1, 0, %%g1 \n\t" \
|
---|
| 443 | "addcc %%o4, %%o5, %%o4 \n\t" \
|
---|
| 444 | "st %%o4, [%%o1] \n\t" \
|
---|
| 445 | "addx %%g1, 0, %%o2 \n\t" \
|
---|
| 446 | "inc 4, %%o1 \n\t"
|
---|
| 447 |
|
---|
| 448 | #define MULADDC_STOP \
|
---|
| 449 | "st %%o2, %0 \n\t" \
|
---|
| 450 | "stx %%o1, %1 \n\t" \
|
---|
| 451 | "stx %%o0, %2 \n\t" \
|
---|
| 452 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 453 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 454 | : "g1", "o0", "o1", "o2", "o3", "o4", \
|
---|
| 455 | "o5" \
|
---|
| 456 | );
|
---|
| 457 |
|
---|
| 458 | #else /* __sparc64__ */
|
---|
| 459 |
|
---|
| 460 | #define MULADDC_INIT \
|
---|
| 461 | asm( \
|
---|
| 462 | "ld %3, %%o0 \n\t" \
|
---|
| 463 | "ld %4, %%o1 \n\t" \
|
---|
| 464 | "ld %5, %%o2 \n\t" \
|
---|
| 465 | "ld %6, %%o3 \n\t"
|
---|
| 466 |
|
---|
| 467 | #define MULADDC_CORE \
|
---|
| 468 | "ld [%%o0], %%o4 \n\t" \
|
---|
| 469 | "inc 4, %%o0 \n\t" \
|
---|
| 470 | "ld [%%o1], %%o5 \n\t" \
|
---|
| 471 | "umul %%o3, %%o4, %%o4 \n\t" \
|
---|
| 472 | "addcc %%o4, %%o2, %%o4 \n\t" \
|
---|
| 473 | "rd %%y, %%g1 \n\t" \
|
---|
| 474 | "addx %%g1, 0, %%g1 \n\t" \
|
---|
| 475 | "addcc %%o4, %%o5, %%o4 \n\t" \
|
---|
| 476 | "st %%o4, [%%o1] \n\t" \
|
---|
| 477 | "addx %%g1, 0, %%o2 \n\t" \
|
---|
| 478 | "inc 4, %%o1 \n\t"
|
---|
| 479 |
|
---|
| 480 | #define MULADDC_STOP \
|
---|
| 481 | "st %%o2, %0 \n\t" \
|
---|
| 482 | "st %%o1, %1 \n\t" \
|
---|
| 483 | "st %%o0, %2 \n\t" \
|
---|
| 484 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 485 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 486 | : "g1", "o0", "o1", "o2", "o3", "o4", \
|
---|
| 487 | "o5" \
|
---|
| 488 | );
|
---|
| 489 |
|
---|
| 490 | #endif /* __sparc64__ */
|
---|
| 491 | #endif /* __sparc__ */
|
---|
| 492 |
|
---|
| 493 | #if defined(__microblaze__) || defined(microblaze)
|
---|
| 494 |
|
---|
| 495 | #define MULADDC_INIT \
|
---|
| 496 | asm( \
|
---|
| 497 | "lwi r3, %3 \n\t" \
|
---|
| 498 | "lwi r4, %4 \n\t" \
|
---|
| 499 | "lwi r5, %5 \n\t" \
|
---|
| 500 | "lwi r6, %6 \n\t" \
|
---|
| 501 | "andi r7, r6, 0xffff \n\t" \
|
---|
| 502 | "bsrli r6, r6, 16 \n\t"
|
---|
| 503 |
|
---|
| 504 | #define MULADDC_CORE \
|
---|
| 505 | "lhui r8, r3, 0 \n\t" \
|
---|
| 506 | "addi r3, r3, 2 \n\t" \
|
---|
| 507 | "lhui r9, r3, 0 \n\t" \
|
---|
| 508 | "addi r3, r3, 2 \n\t" \
|
---|
| 509 | "mul r10, r9, r6 \n\t" \
|
---|
| 510 | "mul r11, r8, r7 \n\t" \
|
---|
| 511 | "mul r12, r9, r7 \n\t" \
|
---|
| 512 | "mul r13, r8, r6 \n\t" \
|
---|
| 513 | "bsrli r8, r10, 16 \n\t" \
|
---|
| 514 | "bsrli r9, r11, 16 \n\t" \
|
---|
| 515 | "add r13, r13, r8 \n\t" \
|
---|
| 516 | "add r13, r13, r9 \n\t" \
|
---|
| 517 | "bslli r10, r10, 16 \n\t" \
|
---|
| 518 | "bslli r11, r11, 16 \n\t" \
|
---|
| 519 | "add r12, r12, r10 \n\t" \
|
---|
| 520 | "addc r13, r13, r0 \n\t" \
|
---|
| 521 | "add r12, r12, r11 \n\t" \
|
---|
| 522 | "addc r13, r13, r0 \n\t" \
|
---|
| 523 | "lwi r10, r4, 0 \n\t" \
|
---|
| 524 | "add r12, r12, r10 \n\t" \
|
---|
| 525 | "addc r13, r13, r0 \n\t" \
|
---|
| 526 | "add r12, r12, r5 \n\t" \
|
---|
| 527 | "addc r5, r13, r0 \n\t" \
|
---|
| 528 | "swi r12, r4, 0 \n\t" \
|
---|
| 529 | "addi r4, r4, 4 \n\t"
|
---|
| 530 |
|
---|
| 531 | #define MULADDC_STOP \
|
---|
| 532 | "swi r5, %0 \n\t" \
|
---|
| 533 | "swi r4, %1 \n\t" \
|
---|
| 534 | "swi r3, %2 \n\t" \
|
---|
| 535 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 536 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 537 | : "r3", "r4", "r5", "r6", "r7", "r8", \
|
---|
| 538 | "r9", "r10", "r11", "r12", "r13" \
|
---|
| 539 | );
|
---|
| 540 |
|
---|
| 541 | #endif /* MicroBlaze */
|
---|
| 542 |
|
---|
| 543 | #if defined(__tricore__)
|
---|
| 544 |
|
---|
| 545 | #define MULADDC_INIT \
|
---|
| 546 | asm( \
|
---|
| 547 | "ld.a %%a2, %3 \n\t" \
|
---|
| 548 | "ld.a %%a3, %4 \n\t" \
|
---|
| 549 | "ld.w %%d4, %5 \n\t" \
|
---|
| 550 | "ld.w %%d1, %6 \n\t" \
|
---|
| 551 | "xor %%d5, %%d5 \n\t"
|
---|
| 552 |
|
---|
| 553 | #define MULADDC_CORE \
|
---|
| 554 | "ld.w %%d0, [%%a2+] \n\t" \
|
---|
| 555 | "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
|
---|
| 556 | "ld.w %%d0, [%%a3] \n\t" \
|
---|
| 557 | "addx %%d2, %%d2, %%d0 \n\t" \
|
---|
| 558 | "addc %%d3, %%d3, 0 \n\t" \
|
---|
| 559 | "mov %%d4, %%d3 \n\t" \
|
---|
| 560 | "st.w [%%a3+], %%d2 \n\t"
|
---|
| 561 |
|
---|
| 562 | #define MULADDC_STOP \
|
---|
| 563 | "st.w %0, %%d4 \n\t" \
|
---|
| 564 | "st.a %1, %%a3 \n\t" \
|
---|
| 565 | "st.a %2, %%a2 \n\t" \
|
---|
| 566 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 567 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 568 | : "d0", "d1", "e2", "d4", "a2", "a3" \
|
---|
| 569 | );
|
---|
| 570 |
|
---|
| 571 | #endif /* TriCore */
|
---|
| 572 |
|
---|
| 573 | /*
|
---|
| 574 | * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
|
---|
| 575 | * our use of r7 below, unless -fomit-frame-pointer is passed.
|
---|
| 576 | *
|
---|
| 577 | * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
|
---|
| 578 | * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
|
---|
| 579 | * clang and armcc5 under the same conditions).
|
---|
| 580 | *
|
---|
| 581 | * So, only use the optimized assembly below for optimized build, which avoids
|
---|
| 582 | * the build error and is pretty reasonable anyway.
|
---|
| 583 | */
|
---|
| 584 | #if defined(__GNUC__) && !defined(__OPTIMIZE__)
|
---|
| 585 | #define MULADDC_CANNOT_USE_R7
|
---|
| 586 | #endif
|
---|
| 587 |
|
---|
| 588 | #if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
|
---|
| 589 |
|
---|
| 590 | #if defined(__thumb__) && !defined(__thumb2__)
|
---|
| 591 |
|
---|
| 592 | #define MULADDC_INIT \
|
---|
| 593 | asm( \
|
---|
| 594 | "ldr r0, %3 \n\t" \
|
---|
| 595 | "ldr r1, %4 \n\t" \
|
---|
| 596 | "ldr r2, %5 \n\t" \
|
---|
| 597 | "ldr r3, %6 \n\t" \
|
---|
| 598 | "lsr r7, r3, #16 \n\t" \
|
---|
| 599 | "mov r9, r7 \n\t" \
|
---|
| 600 | "lsl r7, r3, #16 \n\t" \
|
---|
| 601 | "lsr r7, r7, #16 \n\t" \
|
---|
| 602 | "mov r8, r7 \n\t"
|
---|
| 603 |
|
---|
| 604 | #define MULADDC_CORE \
|
---|
| 605 | "ldmia r0!, {r6} \n\t" \
|
---|
| 606 | "lsr r7, r6, #16 \n\t" \
|
---|
| 607 | "lsl r6, r6, #16 \n\t" \
|
---|
| 608 | "lsr r6, r6, #16 \n\t" \
|
---|
| 609 | "mov r4, r8 \n\t" \
|
---|
| 610 | "mul r4, r6 \n\t" \
|
---|
| 611 | "mov r3, r9 \n\t" \
|
---|
| 612 | "mul r6, r3 \n\t" \
|
---|
| 613 | "mov r5, r9 \n\t" \
|
---|
| 614 | "mul r5, r7 \n\t" \
|
---|
| 615 | "mov r3, r8 \n\t" \
|
---|
| 616 | "mul r7, r3 \n\t" \
|
---|
| 617 | "lsr r3, r6, #16 \n\t" \
|
---|
| 618 | "add r5, r5, r3 \n\t" \
|
---|
| 619 | "lsr r3, r7, #16 \n\t" \
|
---|
| 620 | "add r5, r5, r3 \n\t" \
|
---|
| 621 | "add r4, r4, r2 \n\t" \
|
---|
| 622 | "mov r2, #0 \n\t" \
|
---|
| 623 | "adc r5, r2 \n\t" \
|
---|
| 624 | "lsl r3, r6, #16 \n\t" \
|
---|
| 625 | "add r4, r4, r3 \n\t" \
|
---|
| 626 | "adc r5, r2 \n\t" \
|
---|
| 627 | "lsl r3, r7, #16 \n\t" \
|
---|
| 628 | "add r4, r4, r3 \n\t" \
|
---|
| 629 | "adc r5, r2 \n\t" \
|
---|
| 630 | "ldr r3, [r1] \n\t" \
|
---|
| 631 | "add r4, r4, r3 \n\t" \
|
---|
| 632 | "adc r2, r5 \n\t" \
|
---|
| 633 | "stmia r1!, {r4} \n\t"
|
---|
| 634 |
|
---|
| 635 | #define MULADDC_STOP \
|
---|
| 636 | "str r2, %0 \n\t" \
|
---|
| 637 | "str r1, %1 \n\t" \
|
---|
| 638 | "str r0, %2 \n\t" \
|
---|
| 639 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 640 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 641 | : "r0", "r1", "r2", "r3", "r4", "r5", \
|
---|
| 642 | "r6", "r7", "r8", "r9", "cc" \
|
---|
| 643 | );
|
---|
| 644 |
|
---|
| 645 | #elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
|
---|
| 646 |
|
---|
| 647 | #define MULADDC_INIT \
|
---|
| 648 | asm(
|
---|
| 649 |
|
---|
| 650 | #define MULADDC_CORE \
|
---|
| 651 | "ldr r0, [%0], #4 \n\t" \
|
---|
| 652 | "ldr r1, [%1] \n\t" \
|
---|
| 653 | "umaal r1, %2, %3, r0 \n\t" \
|
---|
| 654 | "str r1, [%1], #4 \n\t"
|
---|
| 655 |
|
---|
| 656 | #define MULADDC_STOP \
|
---|
| 657 | : "=r" (s), "=r" (d), "=r" (c) \
|
---|
| 658 | : "r" (b), "0" (s), "1" (d), "2" (c) \
|
---|
| 659 | : "r0", "r1", "memory" \
|
---|
| 660 | );
|
---|
| 661 |
|
---|
| 662 | #else
|
---|
| 663 |
|
---|
| 664 | #define MULADDC_INIT \
|
---|
| 665 | asm( \
|
---|
| 666 | "ldr r0, %3 \n\t" \
|
---|
| 667 | "ldr r1, %4 \n\t" \
|
---|
| 668 | "ldr r2, %5 \n\t" \
|
---|
| 669 | "ldr r3, %6 \n\t"
|
---|
| 670 |
|
---|
| 671 | #define MULADDC_CORE \
|
---|
| 672 | "ldr r4, [r0], #4 \n\t" \
|
---|
| 673 | "mov r5, #0 \n\t" \
|
---|
| 674 | "ldr r6, [r1] \n\t" \
|
---|
| 675 | "umlal r2, r5, r3, r4 \n\t" \
|
---|
| 676 | "adds r7, r6, r2 \n\t" \
|
---|
| 677 | "adc r2, r5, #0 \n\t" \
|
---|
| 678 | "str r7, [r1], #4 \n\t"
|
---|
| 679 |
|
---|
| 680 | #define MULADDC_STOP \
|
---|
| 681 | "str r2, %0 \n\t" \
|
---|
| 682 | "str r1, %1 \n\t" \
|
---|
| 683 | "str r0, %2 \n\t" \
|
---|
| 684 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 685 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 686 | : "r0", "r1", "r2", "r3", "r4", "r5", \
|
---|
| 687 | "r6", "r7", "cc" \
|
---|
| 688 | );
|
---|
| 689 |
|
---|
| 690 | #endif /* Thumb */
|
---|
| 691 |
|
---|
| 692 | #endif /* ARMv3 */
|
---|
| 693 |
|
---|
| 694 | #if defined(__alpha__)
|
---|
| 695 |
|
---|
| 696 | #define MULADDC_INIT \
|
---|
| 697 | asm( \
|
---|
| 698 | "ldq $1, %3 \n\t" \
|
---|
| 699 | "ldq $2, %4 \n\t" \
|
---|
| 700 | "ldq $3, %5 \n\t" \
|
---|
| 701 | "ldq $4, %6 \n\t"
|
---|
| 702 |
|
---|
| 703 | #define MULADDC_CORE \
|
---|
| 704 | "ldq $6, 0($1) \n\t" \
|
---|
| 705 | "addq $1, 8, $1 \n\t" \
|
---|
| 706 | "mulq $6, $4, $7 \n\t" \
|
---|
| 707 | "umulh $6, $4, $6 \n\t" \
|
---|
| 708 | "addq $7, $3, $7 \n\t" \
|
---|
| 709 | "cmpult $7, $3, $3 \n\t" \
|
---|
| 710 | "ldq $5, 0($2) \n\t" \
|
---|
| 711 | "addq $7, $5, $7 \n\t" \
|
---|
| 712 | "cmpult $7, $5, $5 \n\t" \
|
---|
| 713 | "stq $7, 0($2) \n\t" \
|
---|
| 714 | "addq $2, 8, $2 \n\t" \
|
---|
| 715 | "addq $6, $3, $3 \n\t" \
|
---|
| 716 | "addq $5, $3, $3 \n\t"
|
---|
| 717 |
|
---|
| 718 | #define MULADDC_STOP \
|
---|
| 719 | "stq $3, %0 \n\t" \
|
---|
| 720 | "stq $2, %1 \n\t" \
|
---|
| 721 | "stq $1, %2 \n\t" \
|
---|
| 722 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 723 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 724 | : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
|
---|
| 725 | );
|
---|
| 726 | #endif /* Alpha */
|
---|
| 727 |
|
---|
| 728 | #if defined(__mips__) && !defined(__mips64)
|
---|
| 729 |
|
---|
| 730 | #define MULADDC_INIT \
|
---|
| 731 | asm( \
|
---|
| 732 | "lw $10, %3 \n\t" \
|
---|
| 733 | "lw $11, %4 \n\t" \
|
---|
| 734 | "lw $12, %5 \n\t" \
|
---|
| 735 | "lw $13, %6 \n\t"
|
---|
| 736 |
|
---|
| 737 | #define MULADDC_CORE \
|
---|
| 738 | "lw $14, 0($10) \n\t" \
|
---|
| 739 | "multu $13, $14 \n\t" \
|
---|
| 740 | "addi $10, $10, 4 \n\t" \
|
---|
| 741 | "mflo $14 \n\t" \
|
---|
| 742 | "mfhi $9 \n\t" \
|
---|
| 743 | "addu $14, $12, $14 \n\t" \
|
---|
| 744 | "lw $15, 0($11) \n\t" \
|
---|
| 745 | "sltu $12, $14, $12 \n\t" \
|
---|
| 746 | "addu $15, $14, $15 \n\t" \
|
---|
| 747 | "sltu $14, $15, $14 \n\t" \
|
---|
| 748 | "addu $12, $12, $9 \n\t" \
|
---|
| 749 | "sw $15, 0($11) \n\t" \
|
---|
| 750 | "addu $12, $12, $14 \n\t" \
|
---|
| 751 | "addi $11, $11, 4 \n\t"
|
---|
| 752 |
|
---|
| 753 | #define MULADDC_STOP \
|
---|
| 754 | "sw $12, %0 \n\t" \
|
---|
| 755 | "sw $11, %1 \n\t" \
|
---|
| 756 | "sw $10, %2 \n\t" \
|
---|
| 757 | : "=m" (c), "=m" (d), "=m" (s) \
|
---|
| 758 | : "m" (s), "m" (d), "m" (c), "m" (b) \
|
---|
| 759 | : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
|
---|
| 760 | );
|
---|
| 761 |
|
---|
| 762 | #endif /* MIPS */
|
---|
| 763 | #endif /* GNUC */
|
---|
| 764 |
|
---|
| 765 | #if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
|
---|
| 766 |
|
---|
| 767 | #define MULADDC_INIT \
|
---|
| 768 | __asm mov esi, s \
|
---|
| 769 | __asm mov edi, d \
|
---|
| 770 | __asm mov ecx, c \
|
---|
| 771 | __asm mov ebx, b
|
---|
| 772 |
|
---|
| 773 | #define MULADDC_CORE \
|
---|
| 774 | __asm lodsd \
|
---|
| 775 | __asm mul ebx \
|
---|
| 776 | __asm add eax, ecx \
|
---|
| 777 | __asm adc edx, 0 \
|
---|
| 778 | __asm add eax, [edi] \
|
---|
| 779 | __asm adc edx, 0 \
|
---|
| 780 | __asm mov ecx, edx \
|
---|
| 781 | __asm stosd
|
---|
| 782 |
|
---|
| 783 | #if defined(MBEDTLS_HAVE_SSE2)
|
---|
| 784 |
|
---|
| 785 | #define EMIT __asm _emit
|
---|
| 786 |
|
---|
| 787 | #define MULADDC_HUIT \
|
---|
| 788 | EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
|
---|
| 789 | EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
|
---|
| 790 | EMIT 0x0F EMIT 0x6E EMIT 0x1F \
|
---|
| 791 | EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
|
---|
| 792 | EMIT 0x0F EMIT 0x6E EMIT 0x16 \
|
---|
| 793 | EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
|
---|
| 794 | EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
|
---|
| 795 | EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
|
---|
| 796 | EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
|
---|
| 797 | EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
|
---|
| 798 | EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
|
---|
| 799 | EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
|
---|
| 800 | EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
|
---|
| 801 | EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
|
---|
| 802 | EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
|
---|
| 803 | EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
|
---|
| 804 | EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
|
---|
| 805 | EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
|
---|
| 806 | EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
|
---|
| 807 | EMIT 0x0F EMIT 0x7E EMIT 0x0F \
|
---|
| 808 | EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
|
---|
| 809 | EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
|
---|
| 810 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 811 | EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
|
---|
| 812 | EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
|
---|
| 813 | EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
|
---|
| 814 | EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
|
---|
| 815 | EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
|
---|
| 816 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
|
---|
| 817 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 818 | EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
|
---|
| 819 | EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
|
---|
| 820 | EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
|
---|
| 821 | EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
|
---|
| 822 | EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
|
---|
| 823 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
|
---|
| 824 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 825 | EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
|
---|
| 826 | EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
|
---|
| 827 | EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
|
---|
| 828 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
|
---|
| 829 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 830 | EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
|
---|
| 831 | EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
|
---|
| 832 | EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
|
---|
| 833 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
|
---|
| 834 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 835 | EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
|
---|
| 836 | EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
|
---|
| 837 | EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
|
---|
| 838 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
|
---|
| 839 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 840 | EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
|
---|
| 841 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
|
---|
| 842 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 843 | EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
|
---|
| 844 | EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
|
---|
| 845 | EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
|
---|
| 846 | EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
|
---|
| 847 | EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
---|
| 848 | EMIT 0x0F EMIT 0x7E EMIT 0xC9
|
---|
| 849 |
|
---|
| 850 | #define MULADDC_STOP \
|
---|
| 851 | EMIT 0x0F EMIT 0x77 \
|
---|
| 852 | __asm mov c, ecx \
|
---|
| 853 | __asm mov d, edi \
|
---|
| 854 | __asm mov s, esi \
|
---|
| 855 |
|
---|
| 856 | #else
|
---|
| 857 |
|
---|
| 858 | #define MULADDC_STOP \
|
---|
| 859 | __asm mov c, ecx \
|
---|
| 860 | __asm mov d, edi \
|
---|
| 861 | __asm mov s, esi \
|
---|
| 862 |
|
---|
| 863 | #endif /* SSE2 */
|
---|
| 864 | #endif /* MSVC */
|
---|
| 865 |
|
---|
| 866 | #endif /* MBEDTLS_HAVE_ASM */
|
---|
| 867 |
|
---|
| 868 | #if !defined(MULADDC_CORE)
|
---|
| 869 | #if defined(MBEDTLS_HAVE_UDBL)
|
---|
| 870 |
|
---|
| 871 | #define MULADDC_INIT \
|
---|
| 872 | { \
|
---|
| 873 | mbedtls_t_udbl r; \
|
---|
| 874 | mbedtls_mpi_uint r0, r1;
|
---|
| 875 |
|
---|
| 876 | #define MULADDC_CORE \
|
---|
| 877 | r = *(s++) * (mbedtls_t_udbl) b; \
|
---|
| 878 | r0 = (mbedtls_mpi_uint) r; \
|
---|
| 879 | r1 = (mbedtls_mpi_uint)( r >> biL ); \
|
---|
| 880 | r0 += c; r1 += (r0 < c); \
|
---|
| 881 | r0 += *d; r1 += (r0 < *d); \
|
---|
| 882 | c = r1; *(d++) = r0;
|
---|
| 883 |
|
---|
| 884 | #define MULADDC_STOP \
|
---|
| 885 | }
|
---|
| 886 |
|
---|
| 887 | #else
|
---|
| 888 | #define MULADDC_INIT \
|
---|
| 889 | { \
|
---|
| 890 | mbedtls_mpi_uint s0, s1, b0, b1; \
|
---|
| 891 | mbedtls_mpi_uint r0, r1, rx, ry; \
|
---|
| 892 | b0 = ( b << biH ) >> biH; \
|
---|
| 893 | b1 = ( b >> biH );
|
---|
| 894 |
|
---|
| 895 | #define MULADDC_CORE \
|
---|
| 896 | s0 = ( *s << biH ) >> biH; \
|
---|
| 897 | s1 = ( *s >> biH ); s++; \
|
---|
| 898 | rx = s0 * b1; r0 = s0 * b0; \
|
---|
| 899 | ry = s1 * b0; r1 = s1 * b1; \
|
---|
| 900 | r1 += ( rx >> biH ); \
|
---|
| 901 | r1 += ( ry >> biH ); \
|
---|
| 902 | rx <<= biH; ry <<= biH; \
|
---|
| 903 | r0 += rx; r1 += (r0 < rx); \
|
---|
| 904 | r0 += ry; r1 += (r0 < ry); \
|
---|
| 905 | r0 += c; r1 += (r0 < c); \
|
---|
| 906 | r0 += *d; r1 += (r0 < *d); \
|
---|
| 907 | c = r1; *(d++) = r0;
|
---|
| 908 |
|
---|
| 909 | #define MULADDC_STOP \
|
---|
| 910 | }
|
---|
| 911 |
|
---|
| 912 | #endif /* C (generic) */
|
---|
| 913 | #endif /* C (longlong) */
|
---|
| 914 |
|
---|
| 915 | #endif /* bn_mul.h */
|
---|