1# Copyright (c) 2008 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Gabe Black 28 29# Copyright (c) 2007-2008 The Hewlett-Packard Development Company 30# All rights reserved. 31# 32# Redistribution and use of this software in source and binary forms, 33# with or without modification, are permitted provided that the 34# following conditions are met: 35# 36# The software must be used only for Non-Commercial Use which means any 37# use which is NOT directed to receiving any direct monetary 38# compensation for, or commercial advantage from such use. Illustrative 39# examples of non-commercial use are academic research, personal study, 40# teaching, education and corporate research & development. 41# Illustrative examples of commercial use are distributing products for 42# commercial advantage and providing services using the software for 43# commercial advantage. 44# 45# If you wish to use this software or functionality therein that may be 46# covered by patents for commercial use, please contact: 47# Director of Intellectual Property Licensing 48# Office of Strategy and Technology 49# Hewlett-Packard Company 50# 1501 Page Mill Road 51# Palo Alto, California 94304 52# 53# Redistributions of source code must retain the above copyright notice, 54# this list of conditions and the following disclaimer. Redistributions 55# in binary form must reproduce the above copyright notice, this list of 56# conditions and the following disclaimer in the documentation and/or 57# other materials provided with the distribution. Neither the name of 58# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 59# contributors may be used to endorse or promote products derived from 60# this software without specific prior written permission. No right of 61# sublicense is granted herewith. Derivatives of the software and 62# output created using the software may be prepared, but only for 63# Non-Commercial Uses. Derivatives of the software may be shared with 64# others provided: (i) the others agree to abide by the list of 65# conditions herein which includes the Non-Commercial Use restrictions; 66# and (ii) such Derivatives of the software include the above copyright 67# notice to acknowledge the contribution from this software where 68# applicable, this list of conditions and the disclaimer below. 69# 70# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 71# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 72# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 73# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 74# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 75# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 76# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 77# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 78# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 79# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 80# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 81# 82# Authors: Gabe Black 83 84microcode = '''
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85def macroop BSF_R_R {
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85def macroop BSR_R_R { |
86 # Determine if the input was zero, and also move it to a temp reg. 87 movi t1, t1, t0, dataSize=8 88 and t1, regm, regm, flags=(ZF,) 89 bri t0, label("end"), flags=(CZF,) 90 91 # Zero out the result register 92 movi reg, reg, 0x0 93 94 # Bit 6 95 srli t3, t1, 32, dataSize=8, flags=(EZF,) 96 ori t4, reg, 0x20 97 mov reg, reg, t4, flags=(nCEZF,) 98 mov t1, t1, t3, flags=(nCEZF,) 99 100 # Bit 5 101 srli t3, t1, 16, dataSize=8, flags=(EZF,) 102 ori t4, reg, 0x10 103 mov reg, reg, t4, flags=(nCEZF,) 104 mov t1, t1, t3, flags=(nCEZF,) 105 106 # Bit 4 107 srli t3, t1, 8, dataSize=8, flags=(EZF,) 108 ori t4, reg, 0x8 109 mov reg, reg, t4, flags=(nCEZF,) 110 mov t1, t1, t3, flags=(nCEZF,) 111 112 # Bit 3 113 srli t3, t1, 4, dataSize=8, flags=(EZF,) 114 ori t4, reg, 0x4 115 mov reg, reg, t4, flags=(nCEZF,) 116 mov t1, t1, t3, flags=(nCEZF,) 117 118 # Bit 2 119 srli t3, t1, 2, dataSize=8, flags=(EZF,) 120 ori t4, reg, 0x2 121 mov reg, reg, t4, flags=(nCEZF,) 122 mov t1, t1, t3, flags=(nCEZF,) 123 124 # Bit 1 125 srli t3, t1, 1, dataSize=8, flags=(EZF,) 126 ori t4, reg, 0x1 127 mov reg, reg, t4, flags=(nCEZF,) 128 mov t1, t1, t3, flags=(nCEZF,) 129 130end: 131 fault "NoFault" 132}; 133
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134def macroop BSF_R_M {
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134def macroop BSR_R_M { |
135 136 movi t1, t1, t0, dataSize=8 137 ld t1, seg, sib, disp 138 139 # Determine if the input was zero, and also move it to a temp reg. 140 and t1, t1, t1, flags=(ZF,) 141 bri t0, label("end"), flags=(CZF,) 142 143 # Zero out the result register 144 movi reg, reg, 0x0 145 146 # Bit 6 147 srli t3, t1, 32, dataSize=8, flags=(EZF,) 148 ori t4, reg, 0x20 149 mov reg, reg, t4, flags=(nCEZF,) 150 mov t1, t1, t3, flags=(nCEZF,) 151 152 # Bit 5 153 srli t3, t1, 16, dataSize=8, flags=(EZF,) 154 ori t4, reg, 0x10 155 mov reg, reg, t4, flags=(nCEZF,) 156 mov t1, t1, t3, flags=(nCEZF,) 157 158 # Bit 4 159 srli t3, t1, 8, dataSize=8, flags=(EZF,) 160 ori t4, reg, 0x8 161 mov reg, reg, t4, flags=(nCEZF,) 162 mov t1, t1, t3, flags=(nCEZF,) 163 164 # Bit 3 165 srli t3, t1, 4, dataSize=8, flags=(EZF,) 166 ori t4, reg, 0x4 167 mov reg, reg, t4, flags=(nCEZF,) 168 mov t1, t1, t3, flags=(nCEZF,) 169 170 # Bit 2 171 srli t3, t1, 2, dataSize=8, flags=(EZF,) 172 ori t4, reg, 0x2 173 mov reg, reg, t4, flags=(nCEZF,) 174 mov t1, t1, t3, flags=(nCEZF,) 175 176 # Bit 1 177 srli t3, t1, 1, dataSize=8, flags=(EZF,) 178 ori t4, reg, 0x1 179 mov reg, reg, t4, flags=(nCEZF,) 180 mov t1, t1, t3, flags=(nCEZF,) 181 182end: 183 fault "NoFault" 184}; 185
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186def macroop BSF_R_P {
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186def macroop BSR_R_P { |
187 188 rdip t7 189 movi t1, t1, t0, dataSize=8 190 ld t1, seg, riprel, disp 191 192 # Determine if the input was zero, and also move it to a temp reg. 193 and t1, t1, t1, flags=(ZF,) 194 bri t0, label("end"), flags=(CZF,) 195 196 # Zero out the result register 197 movi reg, reg, 0x0 198 199 # Bit 6 200 srli t3, t1, 32, dataSize=8, flags=(EZF,) 201 ori t4, reg, 0x20 202 mov reg, reg, t4, flags=(nCEZF,) 203 mov t1, t1, t3, flags=(nCEZF,) 204 205 # Bit 5 206 srli t3, t1, 16, dataSize=8, flags=(EZF,) 207 ori t4, reg, 0x10 208 mov reg, reg, t4, flags=(nCEZF,) 209 mov t1, t1, t3, flags=(nCEZF,) 210 211 # Bit 4 212 srli t3, t1, 8, dataSize=8, flags=(EZF,) 213 ori t4, reg, 0x8 214 mov reg, reg, t4, flags=(nCEZF,) 215 mov t1, t1, t3, flags=(nCEZF,) 216 217 # Bit 3 218 srli t3, t1, 4, dataSize=8, flags=(EZF,) 219 ori t4, reg, 0x4 220 mov reg, reg, t4, flags=(nCEZF,) 221 mov t1, t1, t3, flags=(nCEZF,) 222 223 # Bit 2 224 srli t3, t1, 2, dataSize=8, flags=(EZF,) 225 ori t4, reg, 0x2 226 mov reg, reg, t4, flags=(nCEZF,) 227 mov t1, t1, t3, flags=(nCEZF,) 228 229 # Bit 1 230 srli t3, t1, 1, dataSize=8, flags=(EZF,) 231 ori t4, reg, 0x1 232 mov reg, reg, t4, flags=(nCEZF,) 233 mov t1, t1, t3, flags=(nCEZF,) 234 235end: 236 fault "NoFault" 237}; 238
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239def macroop BSR_R_R {
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239def macroop BSF_R_R { |
240 # Determine if the input was zero, and also move it to a temp reg. 241 mov t1, t1, t0, dataSize=8 242 and t1, regm, regm, flags=(ZF,) 243 bri t0, label("end"), flags=(CZF,) 244 245 # Zero out the result register 246 movi reg, reg, 0 247 248 subi t2, t1, 1 249 xor t1, t2, t1 250 251 # Bit 6 252 srli t3, t1, 32, dataSize=8 253 andi t3, t3, 32 254 or reg, reg, t3 255 256 # Bit 5 257 srli t3, t1, 16, dataSize=8 258 andi t3, t3, 16 259 or reg, reg, t3 260 261 # Bit 4 262 srli t3, t1, 8, dataSize=8 263 andi t3, t3, 8 264 or reg, reg, t3 265 266 # Bit 3 267 srli t3, t1, 4, dataSize=8 268 andi t3, t3, 4 269 or reg, reg, t3 270 271 # Bit 2 272 srli t3, t1, 2, dataSize=8 273 andi t3, t3, 2 274 or reg, reg, t3 275 276 # Bit 1 277 srli t3, t1, 1, dataSize=8 278 andi t3, t3, 1 279 or reg, reg, t3 280 281end: 282 fault "NoFault" 283}; 284
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285def macroop BSR_R_M {
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285def macroop BSF_R_M { |
286 287 mov t1, t1, t0, dataSize=8 288 ld t1, seg, sib, disp 289 290 # Determine if the input was zero, and also move it to a temp reg. 291 and t1, t1, t1, flags=(ZF,) 292 bri t0, label("end"), flags=(CZF,) 293 294 # Zero out the result register 295 mov reg, reg, t0 296 297 subi t2, t1, 1 298 xor t1, t2, t1 299 300 # Bit 6 301 srli t3, t1, 32, dataSize=8 302 andi t3, t3, 32 303 or reg, reg, t3 304 305 # Bit 5 306 srli t3, t1, 16, dataSize=8 307 andi t3, t3, 16 308 or reg, reg, t3 309 310 # Bit 4 311 srli t3, t1, 8, dataSize=8 312 andi t3, t3, 8 313 or reg, reg, t3 314 315 # Bit 3 316 srli t3, t1, 4, dataSize=8 317 andi t3, t3, 4 318 or reg, reg, t3 319 320 # Bit 2 321 srli t3, t1, 2, dataSize=8 322 andi t3, t3, 2 323 or reg, reg, t3 324 325 # Bit 1 326 srli t3, t1, 1, dataSize=8 327 andi t3, t3, 1 328 or reg, reg, t3 329 330end: 331 fault "NoFault" 332}; 333
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334def macroop BSR_R_P {
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334def macroop BSF_R_P { |
335 336 rdip t7 337 mov t1, t1, t0, dataSize=8 338 ld t1, seg, riprel, disp 339 340 # Determine if the input was zero, and also move it to a temp reg. 341 and t1, t1, t1, flags=(ZF,) 342 bri t0, label("end"), flags=(CZF,) 343 344 # Zero out the result register 345 mov reg, reg, t0 346 347 subi t2, t1, 1 348 xor t1, t2, t1 349 350 # Bit 6 351 srli t3, t1, 32, dataSize=8 352 andi t3, t3, 32 353 or reg, reg, t3 354 355 # Bit 5 356 srli t3, t1, 16, dataSize=8 357 andi t3, t3, 16 358 or reg, reg, t3 359 360 # Bit 4 361 srli t3, t1, 8, dataSize=8 362 andi t3, t3, 8 363 or reg, reg, t3 364 365 # Bit 3 366 srli t3, t1, 4, dataSize=8 367 andi t3, t3, 4 368 or reg, reg, t3 369 370 # Bit 2 371 srli t3, t1, 2, dataSize=8 372 andi t3, t3, 2 373 or reg, reg, t3 374 375 # Bit 1 376 srli t3, t1, 1, dataSize=8 377 andi t3, t3, 1 378 or reg, reg, t3 379 380end: 381 fault "NoFault" 382}; 383'''
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