shift.py revision 5977:4fff54ab52ae
1# Copyright (c) 2007 The Hewlett-Packard Development Company 2# All rights reserved. 3# 4# Redistribution and use of this software in source and binary forms, 5# with or without modification, are permitted provided that the 6# following conditions are met: 7# 8# The software must be used only for Non-Commercial Use which means any 9# use which is NOT directed to receiving any direct monetary 10# compensation for, or commercial advantage from such use. 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Neither the name of 30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 31# contributors may be used to endorse or promote products derived from 32# this software without specific prior written permission. No right of 33# sublicense is granted herewith. Derivatives of the software and 34# output created using the software may be prepared, but only for 35# Non-Commercial Uses. Derivatives of the software may be shared with 36# others provided: (i) the others agree to abide by the list of 37# conditions herein which includes the Non-Commercial Use restrictions; 38# and (ii) such Derivatives of the software include the above copyright 39# notice to acknowledge the contribution from this software where 40# applicable, this list of conditions and the disclaimer below. 41# 42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53# 54# Authors: Gabe Black 55 56microcode = ''' 57def macroop SAL_R_I 58{ 59 slli reg, reg, imm, flags=(CF,OF,SF,ZF,PF) 60}; 61 62def macroop SAL_M_I 63{ 64 ldst t1, seg, sib, disp 65 slli t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 66 st t1, seg, sib, disp 67}; 68 69def macroop SAL_P_I 70{ 71 rdip t7 72 ldst t1, seg, riprel, disp 73 slli t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 74 st t1, seg, riprel, disp 75}; 76 77def macroop SAL_1_R 78{ 79 slli reg, reg, 1, flags=(CF,OF,SF,ZF,PF) 80}; 81 82def macroop SAL_1_M 83{ 84 ldst t1, seg, sib, disp 85 slli t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 86 st t1, seg, sib, disp 87}; 88 89def macroop SAL_1_P 90{ 91 rdip t7 92 ldst t1, seg, riprel, disp 93 slli t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 94 st t1, seg, riprel, disp 95}; 96 97def macroop SAL_R_R 98{ 99 sll reg, reg, regm, flags=(CF,OF,SF,ZF,PF) 100}; 101 102def macroop SAL_M_R 103{ 104 ldst t1, seg, sib, disp 105 sll t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 106 st t1, seg, sib, disp 107}; 108 109def macroop SAL_P_R 110{ 111 rdip t7 112 ldst t1, seg, riprel, disp 113 sll t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 114 st t1, seg, riprel, disp 115}; 116 117def macroop SHR_R_I 118{ 119 srli reg, reg, imm, flags=(CF,OF,SF,ZF,PF) 120}; 121 122def macroop SHR_M_I 123{ 124 ldst t1, seg, sib, disp 125 srli t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 126 st t1, seg, sib, disp 127}; 128 129def macroop SHR_P_I 130{ 131 rdip t7 132 ldst t1, seg, riprel, disp 133 srli t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 134 st t1, seg, riprel, disp 135}; 136 137def macroop SHR_1_R 138{ 139 srli reg, reg, 1, flags=(CF,OF,SF,ZF,PF) 140}; 141 142def macroop SHR_1_M 143{ 144 ldst t1, seg, sib, disp 145 srli t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 146 st t1, seg, sib, disp 147}; 148 149def macroop SHR_1_P 150{ 151 rdip t7 152 ldst t1, seg, riprel, disp 153 srli t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 154 st t1, seg, riprel, disp 155}; 156 157def macroop SHR_R_R 158{ 159 srl reg, reg, regm, flags=(CF,OF,SF,ZF,PF) 160}; 161 162def macroop SHR_M_R 163{ 164 ldst t1, seg, sib, disp 165 srl t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 166 st t1, seg, sib, disp 167}; 168 169def macroop SHR_P_R 170{ 171 rdip t7 172 ldst t1, seg, riprel, disp 173 srl t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 174 st t1, seg, riprel, disp 175}; 176 177# SHRD will not set OF correctly when the shift count is 1. 178def macroop SHRD_R_R_I 179{ 180 srli t1, reg, imm, flags=(CF,) 181 rori t2, regm, imm 182 srli t3, regm, imm 183 xor t2, t2, t3 184 or reg, t1, t2 185}; 186 187# SHRD will not set OF correctly when the shift count is 1. 188def macroop SHRD_M_R_I 189{ 190 ldst t1, seg, sib, disp 191 srli t1, t1, imm, flags=(CF,) 192 rori t2, reg, imm 193 srli t3, reg, imm 194 xor t2, t2, t3 195 or t1, t1, t2 196 st t1, seg, sib, disp 197}; 198 199# SHRD will not set OF correctly when the shift count is 1. 200def macroop SHRD_P_R_I 201{ 202 rdip t7 203 ldst t1, seg, riprel, disp 204 srli t1, t1, imm, flags=(CF,) 205 rori t2, reg, imm 206 srli t3, reg, imm 207 xor t2, t2, t3 208 or t1, t1, t2 209 st t1, seg, riprel, disp 210}; 211 212def macroop SAR_R_I 213{ 214 srai reg, reg, imm, flags=(CF,OF,SF,ZF,PF) 215}; 216 217def macroop SAR_M_I 218{ 219 ldst t1, seg, sib, disp 220 srai t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 221 st t1, seg, sib, disp 222}; 223 224def macroop SAR_P_I 225{ 226 rdip t7 227 ldst t1, seg, riprel, disp 228 srai t1, t1, imm, flags=(CF,OF,SF,ZF,PF) 229 st t1, seg, riprel, disp 230}; 231 232def macroop SAR_1_R 233{ 234 srai reg, reg, 1, flags=(CF,OF,SF,ZF,PF) 235}; 236 237def macroop SAR_1_M 238{ 239 ldst t1, seg, sib, disp 240 srai t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 241 st t1, seg, sib, disp 242}; 243 244def macroop SAR_1_P 245{ 246 rdip t7 247 ldst t1, seg, riprel, disp 248 srai t1, t1, 1, flags=(CF,OF,SF,ZF,PF) 249 st t1, seg, riprel, disp 250}; 251 252def macroop SAR_R_R 253{ 254 sra reg, reg, regm, flags=(CF,OF,SF,ZF,PF) 255}; 256 257def macroop SAR_M_R 258{ 259 ldst t1, seg, sib, disp 260 sra t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 261 st t1, seg, sib, disp 262}; 263 264def macroop SAR_P_R 265{ 266 rdip t7 267 ldst t1, seg, riprel, disp 268 sra t1, t1, reg, flags=(CF,OF,SF,ZF,PF) 269 st t1, seg, riprel, disp 270}; 271''' 272