1 //===-- AArch64BaseInfo.cpp - AArch64 Base encoding information------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides basic encoding and assembly information for AArch64.
12 //===----------------------------------------------------------------------===//
13 #include "AArch64BaseInfo.h"
14 #include "llvm/ADT/APFloat.h"
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm/ADT/StringExtras.h"
17 #include "llvm/Support/Regex.h"
21 StringRef NamedImmMapper::toString(uint32_t Value, bool &Valid) const {
22 for (unsigned i = 0; i < NumPairs; ++i) {
23 if (Pairs[i].Value == Value) {
33 uint32_t NamedImmMapper::fromString(StringRef Name, bool &Valid) const {
34 std::string LowerCaseName = Name.lower();
35 for (unsigned i = 0; i < NumPairs; ++i) {
36 if (Pairs[i].Name == LowerCaseName) {
38 return Pairs[i].Value;
46 bool NamedImmMapper::validImm(uint32_t Value) const {
47 return Value < TooBigImm;
50 const NamedImmMapper::Mapping A64AT::ATMapper::ATPairs[] = {
65 A64AT::ATMapper::ATMapper()
66 : NamedImmMapper(ATPairs, 0) {}
68 const NamedImmMapper::Mapping A64DB::DBarrierMapper::DBarrierPairs[] = {
83 A64DB::DBarrierMapper::DBarrierMapper()
84 : NamedImmMapper(DBarrierPairs, 16u) {}
86 const NamedImmMapper::Mapping A64DC::DCMapper::DCPairs[] = {
97 A64DC::DCMapper::DCMapper()
98 : NamedImmMapper(DCPairs, 0) {}
100 const NamedImmMapper::Mapping A64IC::ICMapper::ICPairs[] = {
101 {"ialluis", IALLUIS},
106 A64IC::ICMapper::ICMapper()
107 : NamedImmMapper(ICPairs, 0) {}
109 const NamedImmMapper::Mapping A64ISB::ISBMapper::ISBPairs[] = {
113 A64ISB::ISBMapper::ISBMapper()
114 : NamedImmMapper(ISBPairs, 16) {}
116 const NamedImmMapper::Mapping A64PRFM::PRFMMapper::PRFMPairs[] = {
117 {"pldl1keep", PLDL1KEEP},
118 {"pldl1strm", PLDL1STRM},
119 {"pldl2keep", PLDL2KEEP},
120 {"pldl2strm", PLDL2STRM},
121 {"pldl3keep", PLDL3KEEP},
122 {"pldl3strm", PLDL3STRM},
123 {"plil1keep", PLIL1KEEP},
124 {"plil1strm", PLIL1STRM},
125 {"plil2keep", PLIL2KEEP},
126 {"plil2strm", PLIL2STRM},
127 {"plil3keep", PLIL3KEEP},
128 {"plil3strm", PLIL3STRM},
129 {"pstl1keep", PSTL1KEEP},
130 {"pstl1strm", PSTL1STRM},
131 {"pstl2keep", PSTL2KEEP},
132 {"pstl2strm", PSTL2STRM},
133 {"pstl3keep", PSTL3KEEP},
134 {"pstl3strm", PSTL3STRM}
137 A64PRFM::PRFMMapper::PRFMMapper()
138 : NamedImmMapper(PRFMPairs, 32) {}
140 const NamedImmMapper::Mapping A64PState::PStateMapper::PStatePairs[] = {
142 {"daifset", DAIFSet},
146 A64PState::PStateMapper::PStateMapper()
147 : NamedImmMapper(PStatePairs, 0) {}
149 const NamedImmMapper::Mapping A64SysReg::MRSMapper::MRSPairs[] = {
150 {"mdccsr_el0", MDCCSR_EL0},
151 {"dbgdtrrx_el0", DBGDTRRX_EL0},
152 {"mdrar_el1", MDRAR_EL1},
153 {"oslsr_el1", OSLSR_EL1},
154 {"dbgauthstatus_el1", DBGAUTHSTATUS_EL1},
155 {"pmceid0_el0", PMCEID0_EL0},
156 {"pmceid1_el0", PMCEID1_EL0},
157 {"midr_el1", MIDR_EL1},
158 {"ccsidr_el1", CCSIDR_EL1},
159 {"clidr_el1", CLIDR_EL1},
160 {"ctr_el0", CTR_EL0},
161 {"mpidr_el1", MPIDR_EL1},
162 {"revidr_el1", REVIDR_EL1},
163 {"aidr_el1", AIDR_EL1},
164 {"dczid_el0", DCZID_EL0},
165 {"id_pfr0_el1", ID_PFR0_EL1},
166 {"id_pfr1_el1", ID_PFR1_EL1},
167 {"id_dfr0_el1", ID_DFR0_EL1},
168 {"id_afr0_el1", ID_AFR0_EL1},
169 {"id_mmfr0_el1", ID_MMFR0_EL1},
170 {"id_mmfr1_el1", ID_MMFR1_EL1},
171 {"id_mmfr2_el1", ID_MMFR2_EL1},
172 {"id_mmfr3_el1", ID_MMFR3_EL1},
173 {"id_isar0_el1", ID_ISAR0_EL1},
174 {"id_isar1_el1", ID_ISAR1_EL1},
175 {"id_isar2_el1", ID_ISAR2_EL1},
176 {"id_isar3_el1", ID_ISAR3_EL1},
177 {"id_isar4_el1", ID_ISAR4_EL1},
178 {"id_isar5_el1", ID_ISAR5_EL1},
179 {"id_aa64pfr0_el1", ID_AA64PFR0_EL1},
180 {"id_aa64pfr1_el1", ID_AA64PFR1_EL1},
181 {"id_aa64dfr0_el1", ID_AA64DFR0_EL1},
182 {"id_aa64dfr1_el1", ID_AA64DFR1_EL1},
183 {"id_aa64afr0_el1", ID_AA64AFR0_EL1},
184 {"id_aa64afr1_el1", ID_AA64AFR1_EL1},
185 {"id_aa64isar0_el1", ID_AA64ISAR0_EL1},
186 {"id_aa64isar1_el1", ID_AA64ISAR1_EL1},
187 {"id_aa64mmfr0_el1", ID_AA64MMFR0_EL1},
188 {"id_aa64mmfr1_el1", ID_AA64MMFR1_EL1},
189 {"mvfr0_el1", MVFR0_EL1},
190 {"mvfr1_el1", MVFR1_EL1},
191 {"mvfr2_el1", MVFR2_EL1},
192 {"rvbar_el1", RVBAR_EL1},
193 {"rvbar_el2", RVBAR_EL2},
194 {"rvbar_el3", RVBAR_EL3},
195 {"isr_el1", ISR_EL1},
196 {"cntpct_el0", CNTPCT_EL0},
197 {"cntvct_el0", CNTVCT_EL0},
200 {"icc_iar1_el1", ICC_IAR1_EL1},
201 {"icc_iar0_el1", ICC_IAR0_EL1},
202 {"icc_hppir1_el1", ICC_HPPIR1_EL1},
203 {"icc_hppir0_el1", ICC_HPPIR0_EL1},
204 {"icc_rpr_el1", ICC_RPR_EL1},
205 {"ich_vtr_el2", ICH_VTR_EL2},
206 {"ich_eisr_el2", ICH_EISR_EL2},
207 {"ich_elsr_el2", ICH_ELSR_EL2}
210 A64SysReg::MRSMapper::MRSMapper() {
211 InstPairs = &MRSPairs[0];
212 NumInstPairs = llvm::array_lengthof(MRSPairs);
215 const NamedImmMapper::Mapping A64SysReg::MSRMapper::MSRPairs[] = {
216 {"dbgdtrtx_el0", DBGDTRTX_EL0},
217 {"oslar_el1", OSLAR_EL1},
218 {"pmswinc_el0", PMSWINC_EL0},
221 {"icc_eoir1_el1", ICC_EOIR1_EL1},
222 {"icc_eoir0_el1", ICC_EOIR0_EL1},
223 {"icc_dir_el1", ICC_DIR_EL1},
224 {"icc_sgi1r_el1", ICC_SGI1R_EL1},
225 {"icc_asgi1r_el1", ICC_ASGI1R_EL1},
226 {"icc_sgi0r_el1", ICC_SGI0R_EL1}
229 A64SysReg::MSRMapper::MSRMapper() {
230 InstPairs = &MSRPairs[0];
231 NumInstPairs = llvm::array_lengthof(MSRPairs);
235 const NamedImmMapper::Mapping A64SysReg::SysRegMapper::SysRegPairs[] = {
236 {"osdtrrx_el1", OSDTRRX_EL1},
237 {"osdtrtx_el1", OSDTRTX_EL1},
238 {"teecr32_el1", TEECR32_EL1},
239 {"mdccint_el1", MDCCINT_EL1},
240 {"mdscr_el1", MDSCR_EL1},
241 {"dbgdtr_el0", DBGDTR_EL0},
242 {"oseccr_el1", OSECCR_EL1},
243 {"dbgvcr32_el2", DBGVCR32_EL2},
244 {"dbgbvr0_el1", DBGBVR0_EL1},
245 {"dbgbvr1_el1", DBGBVR1_EL1},
246 {"dbgbvr2_el1", DBGBVR2_EL1},
247 {"dbgbvr3_el1", DBGBVR3_EL1},
248 {"dbgbvr4_el1", DBGBVR4_EL1},
249 {"dbgbvr5_el1", DBGBVR5_EL1},
250 {"dbgbvr6_el1", DBGBVR6_EL1},
251 {"dbgbvr7_el1", DBGBVR7_EL1},
252 {"dbgbvr8_el1", DBGBVR8_EL1},
253 {"dbgbvr9_el1", DBGBVR9_EL1},
254 {"dbgbvr10_el1", DBGBVR10_EL1},
255 {"dbgbvr11_el1", DBGBVR11_EL1},
256 {"dbgbvr12_el1", DBGBVR12_EL1},
257 {"dbgbvr13_el1", DBGBVR13_EL1},
258 {"dbgbvr14_el1", DBGBVR14_EL1},
259 {"dbgbvr15_el1", DBGBVR15_EL1},
260 {"dbgbcr0_el1", DBGBCR0_EL1},
261 {"dbgbcr1_el1", DBGBCR1_EL1},
262 {"dbgbcr2_el1", DBGBCR2_EL1},
263 {"dbgbcr3_el1", DBGBCR3_EL1},
264 {"dbgbcr4_el1", DBGBCR4_EL1},
265 {"dbgbcr5_el1", DBGBCR5_EL1},
266 {"dbgbcr6_el1", DBGBCR6_EL1},
267 {"dbgbcr7_el1", DBGBCR7_EL1},
268 {"dbgbcr8_el1", DBGBCR8_EL1},
269 {"dbgbcr9_el1", DBGBCR9_EL1},
270 {"dbgbcr10_el1", DBGBCR10_EL1},
271 {"dbgbcr11_el1", DBGBCR11_EL1},
272 {"dbgbcr12_el1", DBGBCR12_EL1},
273 {"dbgbcr13_el1", DBGBCR13_EL1},
274 {"dbgbcr14_el1", DBGBCR14_EL1},
275 {"dbgbcr15_el1", DBGBCR15_EL1},
276 {"dbgwvr0_el1", DBGWVR0_EL1},
277 {"dbgwvr1_el1", DBGWVR1_EL1},
278 {"dbgwvr2_el1", DBGWVR2_EL1},
279 {"dbgwvr3_el1", DBGWVR3_EL1},
280 {"dbgwvr4_el1", DBGWVR4_EL1},
281 {"dbgwvr5_el1", DBGWVR5_EL1},
282 {"dbgwvr6_el1", DBGWVR6_EL1},
283 {"dbgwvr7_el1", DBGWVR7_EL1},
284 {"dbgwvr8_el1", DBGWVR8_EL1},
285 {"dbgwvr9_el1", DBGWVR9_EL1},
286 {"dbgwvr10_el1", DBGWVR10_EL1},
287 {"dbgwvr11_el1", DBGWVR11_EL1},
288 {"dbgwvr12_el1", DBGWVR12_EL1},
289 {"dbgwvr13_el1", DBGWVR13_EL1},
290 {"dbgwvr14_el1", DBGWVR14_EL1},
291 {"dbgwvr15_el1", DBGWVR15_EL1},
292 {"dbgwcr0_el1", DBGWCR0_EL1},
293 {"dbgwcr1_el1", DBGWCR1_EL1},
294 {"dbgwcr2_el1", DBGWCR2_EL1},
295 {"dbgwcr3_el1", DBGWCR3_EL1},
296 {"dbgwcr4_el1", DBGWCR4_EL1},
297 {"dbgwcr5_el1", DBGWCR5_EL1},
298 {"dbgwcr6_el1", DBGWCR6_EL1},
299 {"dbgwcr7_el1", DBGWCR7_EL1},
300 {"dbgwcr8_el1", DBGWCR8_EL1},
301 {"dbgwcr9_el1", DBGWCR9_EL1},
302 {"dbgwcr10_el1", DBGWCR10_EL1},
303 {"dbgwcr11_el1", DBGWCR11_EL1},
304 {"dbgwcr12_el1", DBGWCR12_EL1},
305 {"dbgwcr13_el1", DBGWCR13_EL1},
306 {"dbgwcr14_el1", DBGWCR14_EL1},
307 {"dbgwcr15_el1", DBGWCR15_EL1},
308 {"teehbr32_el1", TEEHBR32_EL1},
309 {"osdlr_el1", OSDLR_EL1},
310 {"dbgprcr_el1", DBGPRCR_EL1},
311 {"dbgclaimset_el1", DBGCLAIMSET_EL1},
312 {"dbgclaimclr_el1", DBGCLAIMCLR_EL1},
313 {"csselr_el1", CSSELR_EL1},
314 {"vpidr_el2", VPIDR_EL2},
315 {"vmpidr_el2", VMPIDR_EL2},
316 {"sctlr_el1", SCTLR_EL1},
317 {"sctlr_el2", SCTLR_EL2},
318 {"sctlr_el3", SCTLR_EL3},
319 {"actlr_el1", ACTLR_EL1},
320 {"actlr_el2", ACTLR_EL2},
321 {"actlr_el3", ACTLR_EL3},
322 {"cpacr_el1", CPACR_EL1},
323 {"hcr_el2", HCR_EL2},
324 {"scr_el3", SCR_EL3},
325 {"mdcr_el2", MDCR_EL2},
326 {"sder32_el3", SDER32_EL3},
327 {"cptr_el2", CPTR_EL2},
328 {"cptr_el3", CPTR_EL3},
329 {"hstr_el2", HSTR_EL2},
330 {"hacr_el2", HACR_EL2},
331 {"mdcr_el3", MDCR_EL3},
332 {"ttbr0_el1", TTBR0_EL1},
333 {"ttbr0_el2", TTBR0_EL2},
334 {"ttbr0_el3", TTBR0_EL3},
335 {"ttbr1_el1", TTBR1_EL1},
336 {"tcr_el1", TCR_EL1},
337 {"tcr_el2", TCR_EL2},
338 {"tcr_el3", TCR_EL3},
339 {"vttbr_el2", VTTBR_EL2},
340 {"vtcr_el2", VTCR_EL2},
341 {"dacr32_el2", DACR32_EL2},
342 {"spsr_el1", SPSR_EL1},
343 {"spsr_el2", SPSR_EL2},
344 {"spsr_el3", SPSR_EL3},
345 {"elr_el1", ELR_EL1},
346 {"elr_el2", ELR_EL2},
347 {"elr_el3", ELR_EL3},
354 {"currentel", CurrentEL},
355 {"spsr_irq", SPSR_irq},
356 {"spsr_abt", SPSR_abt},
357 {"spsr_und", SPSR_und},
358 {"spsr_fiq", SPSR_fiq},
361 {"dspsr_el0", DSPSR_EL0},
362 {"dlr_el0", DLR_EL0},
363 {"ifsr32_el2", IFSR32_EL2},
364 {"afsr0_el1", AFSR0_EL1},
365 {"afsr0_el2", AFSR0_EL2},
366 {"afsr0_el3", AFSR0_EL3},
367 {"afsr1_el1", AFSR1_EL1},
368 {"afsr1_el2", AFSR1_EL2},
369 {"afsr1_el3", AFSR1_EL3},
370 {"esr_el1", ESR_EL1},
371 {"esr_el2", ESR_EL2},
372 {"esr_el3", ESR_EL3},
373 {"fpexc32_el2", FPEXC32_EL2},
374 {"far_el1", FAR_EL1},
375 {"far_el2", FAR_EL2},
376 {"far_el3", FAR_EL3},
377 {"hpfar_el2", HPFAR_EL2},
378 {"par_el1", PAR_EL1},
379 {"pmcr_el0", PMCR_EL0},
380 {"pmcntenset_el0", PMCNTENSET_EL0},
381 {"pmcntenclr_el0", PMCNTENCLR_EL0},
382 {"pmovsclr_el0", PMOVSCLR_EL0},
383 {"pmselr_el0", PMSELR_EL0},
384 {"pmccntr_el0", PMCCNTR_EL0},
385 {"pmxevtyper_el0", PMXEVTYPER_EL0},
386 {"pmxevcntr_el0", PMXEVCNTR_EL0},
387 {"pmuserenr_el0", PMUSERENR_EL0},
388 {"pmintenset_el1", PMINTENSET_EL1},
389 {"pmintenclr_el1", PMINTENCLR_EL1},
390 {"pmovsset_el0", PMOVSSET_EL0},
391 {"mair_el1", MAIR_EL1},
392 {"mair_el2", MAIR_EL2},
393 {"mair_el3", MAIR_EL3},
394 {"amair_el1", AMAIR_EL1},
395 {"amair_el2", AMAIR_EL2},
396 {"amair_el3", AMAIR_EL3},
397 {"vbar_el1", VBAR_EL1},
398 {"vbar_el2", VBAR_EL2},
399 {"vbar_el3", VBAR_EL3},
400 {"rmr_el1", RMR_EL1},
401 {"rmr_el2", RMR_EL2},
402 {"rmr_el3", RMR_EL3},
403 {"contextidr_el1", CONTEXTIDR_EL1},
404 {"tpidr_el0", TPIDR_EL0},
405 {"tpidr_el2", TPIDR_EL2},
406 {"tpidr_el3", TPIDR_EL3},
407 {"tpidrro_el0", TPIDRRO_EL0},
408 {"tpidr_el1", TPIDR_EL1},
409 {"cntfrq_el0", CNTFRQ_EL0},
410 {"cntvoff_el2", CNTVOFF_EL2},
411 {"cntkctl_el1", CNTKCTL_EL1},
412 {"cnthctl_el2", CNTHCTL_EL2},
413 {"cntp_tval_el0", CNTP_TVAL_EL0},
414 {"cnthp_tval_el2", CNTHP_TVAL_EL2},
415 {"cntps_tval_el1", CNTPS_TVAL_EL1},
416 {"cntp_ctl_el0", CNTP_CTL_EL0},
417 {"cnthp_ctl_el2", CNTHP_CTL_EL2},
418 {"cntps_ctl_el1", CNTPS_CTL_EL1},
419 {"cntp_cval_el0", CNTP_CVAL_EL0},
420 {"cnthp_cval_el2", CNTHP_CVAL_EL2},
421 {"cntps_cval_el1", CNTPS_CVAL_EL1},
422 {"cntv_tval_el0", CNTV_TVAL_EL0},
423 {"cntv_ctl_el0", CNTV_CTL_EL0},
424 {"cntv_cval_el0", CNTV_CVAL_EL0},
425 {"pmevcntr0_el0", PMEVCNTR0_EL0},
426 {"pmevcntr1_el0", PMEVCNTR1_EL0},
427 {"pmevcntr2_el0", PMEVCNTR2_EL0},
428 {"pmevcntr3_el0", PMEVCNTR3_EL0},
429 {"pmevcntr4_el0", PMEVCNTR4_EL0},
430 {"pmevcntr5_el0", PMEVCNTR5_EL0},
431 {"pmevcntr6_el0", PMEVCNTR6_EL0},
432 {"pmevcntr7_el0", PMEVCNTR7_EL0},
433 {"pmevcntr8_el0", PMEVCNTR8_EL0},
434 {"pmevcntr9_el0", PMEVCNTR9_EL0},
435 {"pmevcntr10_el0", PMEVCNTR10_EL0},
436 {"pmevcntr11_el0", PMEVCNTR11_EL0},
437 {"pmevcntr12_el0", PMEVCNTR12_EL0},
438 {"pmevcntr13_el0", PMEVCNTR13_EL0},
439 {"pmevcntr14_el0", PMEVCNTR14_EL0},
440 {"pmevcntr15_el0", PMEVCNTR15_EL0},
441 {"pmevcntr16_el0", PMEVCNTR16_EL0},
442 {"pmevcntr17_el0", PMEVCNTR17_EL0},
443 {"pmevcntr18_el0", PMEVCNTR18_EL0},
444 {"pmevcntr19_el0", PMEVCNTR19_EL0},
445 {"pmevcntr20_el0", PMEVCNTR20_EL0},
446 {"pmevcntr21_el0", PMEVCNTR21_EL0},
447 {"pmevcntr22_el0", PMEVCNTR22_EL0},
448 {"pmevcntr23_el0", PMEVCNTR23_EL0},
449 {"pmevcntr24_el0", PMEVCNTR24_EL0},
450 {"pmevcntr25_el0", PMEVCNTR25_EL0},
451 {"pmevcntr26_el0", PMEVCNTR26_EL0},
452 {"pmevcntr27_el0", PMEVCNTR27_EL0},
453 {"pmevcntr28_el0", PMEVCNTR28_EL0},
454 {"pmevcntr29_el0", PMEVCNTR29_EL0},
455 {"pmevcntr30_el0", PMEVCNTR30_EL0},
456 {"pmccfiltr_el0", PMCCFILTR_EL0},
457 {"pmevtyper0_el0", PMEVTYPER0_EL0},
458 {"pmevtyper1_el0", PMEVTYPER1_EL0},
459 {"pmevtyper2_el0", PMEVTYPER2_EL0},
460 {"pmevtyper3_el0", PMEVTYPER3_EL0},
461 {"pmevtyper4_el0", PMEVTYPER4_EL0},
462 {"pmevtyper5_el0", PMEVTYPER5_EL0},
463 {"pmevtyper6_el0", PMEVTYPER6_EL0},
464 {"pmevtyper7_el0", PMEVTYPER7_EL0},
465 {"pmevtyper8_el0", PMEVTYPER8_EL0},
466 {"pmevtyper9_el0", PMEVTYPER9_EL0},
467 {"pmevtyper10_el0", PMEVTYPER10_EL0},
468 {"pmevtyper11_el0", PMEVTYPER11_EL0},
469 {"pmevtyper12_el0", PMEVTYPER12_EL0},
470 {"pmevtyper13_el0", PMEVTYPER13_EL0},
471 {"pmevtyper14_el0", PMEVTYPER14_EL0},
472 {"pmevtyper15_el0", PMEVTYPER15_EL0},
473 {"pmevtyper16_el0", PMEVTYPER16_EL0},
474 {"pmevtyper17_el0", PMEVTYPER17_EL0},
475 {"pmevtyper18_el0", PMEVTYPER18_EL0},
476 {"pmevtyper19_el0", PMEVTYPER19_EL0},
477 {"pmevtyper20_el0", PMEVTYPER20_EL0},
478 {"pmevtyper21_el0", PMEVTYPER21_EL0},
479 {"pmevtyper22_el0", PMEVTYPER22_EL0},
480 {"pmevtyper23_el0", PMEVTYPER23_EL0},
481 {"pmevtyper24_el0", PMEVTYPER24_EL0},
482 {"pmevtyper25_el0", PMEVTYPER25_EL0},
483 {"pmevtyper26_el0", PMEVTYPER26_EL0},
484 {"pmevtyper27_el0", PMEVTYPER27_EL0},
485 {"pmevtyper28_el0", PMEVTYPER28_EL0},
486 {"pmevtyper29_el0", PMEVTYPER29_EL0},
487 {"pmevtyper30_el0", PMEVTYPER30_EL0},
490 {"icc_bpr1_el1", ICC_BPR1_EL1},
491 {"icc_bpr0_el1", ICC_BPR0_EL1},
492 {"icc_pmr_el1", ICC_PMR_EL1},
493 {"icc_ctlr_el1", ICC_CTLR_EL1},
494 {"icc_ctlr_el3", ICC_CTLR_EL3},
495 {"icc_sre_el1", ICC_SRE_EL1},
496 {"icc_sre_el2", ICC_SRE_EL2},
497 {"icc_sre_el3", ICC_SRE_EL3},
498 {"icc_igrpen0_el1", ICC_IGRPEN0_EL1},
499 {"icc_igrpen1_el1", ICC_IGRPEN1_EL1},
500 {"icc_igrpen1_el3", ICC_IGRPEN1_EL3},
501 {"icc_seien_el1", ICC_SEIEN_EL1},
502 {"icc_ap0r0_el1", ICC_AP0R0_EL1},
503 {"icc_ap0r1_el1", ICC_AP0R1_EL1},
504 {"icc_ap0r2_el1", ICC_AP0R2_EL1},
505 {"icc_ap0r3_el1", ICC_AP0R3_EL1},
506 {"icc_ap1r0_el1", ICC_AP1R0_EL1},
507 {"icc_ap1r1_el1", ICC_AP1R1_EL1},
508 {"icc_ap1r2_el1", ICC_AP1R2_EL1},
509 {"icc_ap1r3_el1", ICC_AP1R3_EL1},
510 {"ich_ap0r0_el2", ICH_AP0R0_EL2},
511 {"ich_ap0r1_el2", ICH_AP0R1_EL2},
512 {"ich_ap0r2_el2", ICH_AP0R2_EL2},
513 {"ich_ap0r3_el2", ICH_AP0R3_EL2},
514 {"ich_ap1r0_el2", ICH_AP1R0_EL2},
515 {"ich_ap1r1_el2", ICH_AP1R1_EL2},
516 {"ich_ap1r2_el2", ICH_AP1R2_EL2},
517 {"ich_ap1r3_el2", ICH_AP1R3_EL2},
518 {"ich_hcr_el2", ICH_HCR_EL2},
519 {"ich_misr_el2", ICH_MISR_EL2},
520 {"ich_vmcr_el2", ICH_VMCR_EL2},
521 {"ich_vseir_el2", ICH_VSEIR_EL2},
522 {"ich_lr0_el2", ICH_LR0_EL2},
523 {"ich_lr1_el2", ICH_LR1_EL2},
524 {"ich_lr2_el2", ICH_LR2_EL2},
525 {"ich_lr3_el2", ICH_LR3_EL2},
526 {"ich_lr4_el2", ICH_LR4_EL2},
527 {"ich_lr5_el2", ICH_LR5_EL2},
528 {"ich_lr6_el2", ICH_LR6_EL2},
529 {"ich_lr7_el2", ICH_LR7_EL2},
530 {"ich_lr8_el2", ICH_LR8_EL2},
531 {"ich_lr9_el2", ICH_LR9_EL2},
532 {"ich_lr10_el2", ICH_LR10_EL2},
533 {"ich_lr11_el2", ICH_LR11_EL2},
534 {"ich_lr12_el2", ICH_LR12_EL2},
535 {"ich_lr13_el2", ICH_LR13_EL2},
536 {"ich_lr14_el2", ICH_LR14_EL2},
537 {"ich_lr15_el2", ICH_LR15_EL2}
541 A64SysReg::SysRegMapper::fromString(StringRef Name, bool &Valid) const {
542 // First search the registers shared by all
543 std::string NameLower = Name.lower();
544 for (unsigned i = 0; i < array_lengthof(SysRegPairs); ++i) {
545 if (SysRegPairs[i].Name == NameLower) {
547 return SysRegPairs[i].Value;
551 // Now try the instruction-specific registers (either read-only or
553 for (unsigned i = 0; i < NumInstPairs; ++i) {
554 if (InstPairs[i].Name == NameLower) {
556 return InstPairs[i].Value;
560 // Try to parse an S<op0>_<op1>_<Cn>_<Cm>_<op2> register name, where the bits
561 // are: 11 xxx 1x11 xxxx xxx
562 Regex GenericRegPattern("^s3_([0-7])_c(1[15])_c([0-9]|1[0-5])_([0-7])$");
564 SmallVector<StringRef, 4> Ops;
565 if (!GenericRegPattern.match(NameLower, &Ops)) {
570 uint32_t Op0 = 3, Op1 = 0, CRn = 0, CRm = 0, Op2 = 0;
572 Ops[1].getAsInteger(10, Op1);
573 Ops[2].getAsInteger(10, CRn);
574 Ops[3].getAsInteger(10, CRm);
575 Ops[4].getAsInteger(10, Op2);
576 Bits = (Op0 << 14) | (Op1 << 11) | (CRn << 7) | (CRm << 3) | Op2;
583 A64SysReg::SysRegMapper::toString(uint32_t Bits, bool &Valid) const {
584 for (unsigned i = 0; i < array_lengthof(SysRegPairs); ++i) {
585 if (SysRegPairs[i].Value == Bits) {
587 return SysRegPairs[i].Name;
591 for (unsigned i = 0; i < NumInstPairs; ++i) {
592 if (InstPairs[i].Value == Bits) {
594 return InstPairs[i].Name;
598 uint32_t Op0 = (Bits >> 14) & 0x3;
599 uint32_t Op1 = (Bits >> 11) & 0x7;
600 uint32_t CRn = (Bits >> 7) & 0xf;
601 uint32_t CRm = (Bits >> 3) & 0xf;
602 uint32_t Op2 = Bits & 0x7;
604 // Only combinations matching: 11 xxx 1x11 xxxx xxx are valid for a generic
606 if (Op0 != 3 || (CRn != 11 && CRn != 15)) {
611 assert(Op0 == 3 && (CRn == 11 || CRn == 15) && "Invalid generic sysreg");
614 return "s3_" + utostr(Op1) + "_c" + utostr(CRn)
615 + "_c" + utostr(CRm) + "_" + utostr(Op2);
618 const NamedImmMapper::Mapping A64TLBI::TLBIMapper::TLBIPairs[] = {
619 {"ipas2e1is", IPAS2E1IS},
620 {"ipas2le1is", IPAS2LE1IS},
621 {"vmalle1is", VMALLE1IS},
622 {"alle2is", ALLE2IS},
623 {"alle3is", ALLE3IS},
627 {"aside1is", ASIDE1IS},
628 {"vaae1is", VAAE1IS},
629 {"alle1is", ALLE1IS},
630 {"vale1is", VALE1IS},
631 {"vale2is", VALE2IS},
632 {"vale3is", VALE3IS},
633 {"vmalls12e1is", VMALLS12E1IS},
634 {"vaale1is", VAALE1IS},
635 {"ipas2e1", IPAS2E1},
636 {"ipas2le1", IPAS2LE1},
637 {"vmalle1", VMALLE1},
649 {"vmalls12e1", VMALLS12E1},
653 A64TLBI::TLBIMapper::TLBIMapper()
654 : NamedImmMapper(TLBIPairs, 0) {}
656 bool A64Imms::isFPImm(const APFloat &Val, uint32_t &Imm8Bits) {
657 const fltSemantics &Sem = Val.getSemantics();
658 unsigned FracBits = APFloat::semanticsPrecision(Sem) - 1;
662 case 10: // IEEE half-precision
665 case 23: // IEEE single-precision
668 case 52: // IEEE double-precision
671 case 112: // IEEE quad-precision
672 // No immediates are valid for double precision.
675 llvm_unreachable("Only half, single and double precision supported");
678 uint32_t ExpStart = FracBits;
679 uint64_t FracMask = (1ULL << FracBits) - 1;
681 uint32_t Sign = Val.isNegative();
683 uint64_t Bits= Val.bitcastToAPInt().getLimitedValue();
684 uint64_t Fraction = Bits & FracMask;
685 int32_t Exponent = ((Bits >> ExpStart) & ExpMask);
686 Exponent -= ExpMask >> 1;
688 // S[d] = imm8<7>:NOT(imm8<6>):Replicate(imm8<6>, 5):imm8<5:0>:Zeros(19)
689 // D[d] = imm8<7>:NOT(imm8<6>):Replicate(imm8<6>, 8):imm8<5:0>:Zeros(48)
690 // This translates to: only 4 bits of fraction; -3 <= exp <= 4.
691 uint64_t A64FracStart = FracBits - 4;
692 uint64_t A64FracMask = 0xf;
694 // Are there too many fraction bits?
695 if (Fraction & ~(A64FracMask << A64FracStart))
698 if (Exponent < -3 || Exponent > 4)
701 uint32_t PackedFraction = (Fraction >> A64FracStart) & A64FracMask;
702 uint32_t PackedExp = (Exponent + 7) & 0x7;
704 Imm8Bits = (Sign << 7) | (PackedExp << 4) | PackedFraction;
708 // Encoding of the immediate for logical (immediate) instructions:
710 // | N | imms | immr | size | R | S |
711 // |---+--------+--------+------+--------------+--------------|
712 // | 1 | ssssss | rrrrrr | 64 | UInt(rrrrrr) | UInt(ssssss) |
713 // | 0 | 0sssss | xrrrrr | 32 | UInt(rrrrr) | UInt(sssss) |
714 // | 0 | 10ssss | xxrrrr | 16 | UInt(rrrr) | UInt(ssss) |
715 // | 0 | 110sss | xxxrrr | 8 | UInt(rrr) | UInt(sss) |
716 // | 0 | 1110ss | xxxxrr | 4 | UInt(rr) | UInt(ss) |
717 // | 0 | 11110s | xxxxxr | 2 | UInt(r) | UInt(s) |
718 // | 0 | 11111x | - | | UNALLOCATED | |
720 // Columns 'R', 'S' and 'size' specify a "bitmask immediate" of size bits in
721 // which the lower S+1 bits are ones and the remaining bits are zero, then
722 // rotated right by R bits, which is then replicated across the datapath.
724 // + Values of 'N', 'imms' and 'immr' which do not match the above table are
726 // + If all 's' bits in the imms field are set then the instruction is
728 // + The 'x' bits in the 'immr' field are IGNORED.
730 bool A64Imms::isLogicalImm(unsigned RegWidth, uint64_t Imm, uint32_t &Bits) {
735 // Because there are S+1 ones in the replicated mask, an immediate of all
736 // zeros is not allowed. Filtering it here is probably more efficient.
737 if (Imm == 0) return false;
739 for (RepeatWidth = RegWidth; RepeatWidth > 1; RepeatWidth /= 2) {
740 uint64_t RepeatMask = RepeatWidth == 64 ? -1 : (1ULL << RepeatWidth) - 1;
741 uint64_t ReplicatedMask = Imm & RepeatMask;
743 if (ReplicatedMask == 0) continue;
745 // First we have to make sure the mask is actually repeated in each slot for
746 // this width-specifier.
747 bool IsReplicatedMask = true;
748 for (unsigned i = RepeatWidth; i < RegWidth; i += RepeatWidth) {
749 if (((Imm >> i) & RepeatMask) != ReplicatedMask) {
750 IsReplicatedMask = false;
754 if (!IsReplicatedMask) continue;
756 // Now we have to work out the amount of rotation needed. The first part of
757 // this calculation is actually independent of RepeatWidth, but the complex
758 // case will depend on it.
759 Rotation = CountTrailingZeros_64(Imm);
761 // There were no leading zeros, which means it's either in place or there
762 // are 1s at each end (e.g. 0x8003 needs rotating).
763 Rotation = RegWidth == 64 ? CountLeadingOnes_64(Imm)
764 : CountLeadingOnes_32(Imm);
765 Rotation = RepeatWidth - Rotation;
768 uint64_t ReplicatedOnes = (ReplicatedMask >> Rotation)
769 | ((ReplicatedMask << (RepeatWidth - Rotation)) & RepeatMask);
770 // Of course, they may not actually be ones, so we have to check that:
771 if (!isMask_64(ReplicatedOnes))
774 Num1s = CountTrailingOnes_64(ReplicatedOnes);
776 // We know we've got an almost valid encoding (certainly, if this is invalid
777 // no other parameters would work).
781 // The encodings which would produce all 1s are RESERVED.
782 if (RepeatWidth == 1 || Num1s == RepeatWidth) return false;
784 uint32_t N = RepeatWidth == 64;
785 uint32_t ImmR = RepeatWidth - Rotation;
786 uint32_t ImmS = Num1s - 1;
788 switch (RepeatWidth) {
789 default: break; // No action required for other valid rotations.
790 case 16: ImmS |= 0x20; break; // 10ssss
791 case 8: ImmS |= 0x30; break; // 110sss
792 case 4: ImmS |= 0x38; break; // 1110ss
793 case 2: ImmS |= 0x3c; break; // 11110s
796 Bits = ImmS | (ImmR << 6) | (N << 12);
802 bool A64Imms::isLogicalImmBits(unsigned RegWidth, uint32_t Bits,
804 uint32_t N = Bits >> 12;
805 uint32_t ImmR = (Bits >> 6) & 0x3f;
806 uint32_t ImmS = Bits & 0x3f;
808 // N=1 encodes a 64-bit replication and is invalid for the 32-bit
810 if (RegWidth == 32 && N != 0) return false;
815 else if ((ImmS & 0x20) == 0)
817 else if ((ImmS & 0x10) == 0)
819 else if ((ImmS & 0x08) == 0)
821 else if ((ImmS & 0x04) == 0)
823 else if ((ImmS & 0x02) == 0)
826 // ImmS is 0b11111x: UNALLOCATED
830 int Num1s = (ImmS & (Width - 1)) + 1;
832 // All encodings which would map to -1 (signed) are RESERVED.
833 if (Num1s == Width) return false;
835 int Rotation = (ImmR & (Width - 1));
836 uint64_t Mask = (1ULL << Num1s) - 1;
837 uint64_t WidthMask = Width == 64 ? -1 : (1ULL << Width) - 1;
838 Mask = (Mask >> Rotation)
839 | ((Mask << (Width - Rotation)) & WidthMask);
842 for (unsigned i = 0; i < RegWidth / Width; ++i) {
850 bool A64Imms::isMOVZImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift) {
851 // If high bits are set then a 32-bit MOVZ can't possibly work.
852 if (RegWidth == 32 && (Value & ~0xffffffffULL))
855 for (int i = 0; i < RegWidth; i += 16) {
856 // If the value is 0 when we mask out all the bits that could be set with
857 // the current LSL value then it's representable.
858 if ((Value & ~(0xffffULL << i)) == 0) {
860 UImm16 = (Value >> i) & 0xffff;
867 bool A64Imms::isMOVNImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift) {
868 // MOVN is defined to set its register to NOT(LSL(imm16, shift)).
870 // We have to be a little careful about a 32-bit register: 0xffff_1234 *is*
871 // representable, but ~0xffff_1234 == 0xffff_ffff_0000_edcb which is not
872 // a valid input for isMOVZImm.
873 if (RegWidth == 32 && (Value & ~0xffffffffULL))
876 uint64_t MOVZEquivalent = RegWidth == 32 ? ~Value & 0xffffffff : ~Value;
878 return isMOVZImm(RegWidth, MOVZEquivalent, UImm16, Shift);
881 bool A64Imms::isOnlyMOVNImm(int RegWidth, uint64_t Value,
882 int &UImm16, int &Shift) {
883 if (isMOVZImm(RegWidth, Value, UImm16, Shift))
886 return isMOVNImm(RegWidth, Value, UImm16, Shift);