1 //===-- AArch64BaseInfo.h - Top level definitions for AArch64- --*- C++ -*-===//
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 contains small standalone helper functions and enum definitions for
11 // the AArch64 target useful for the compiler back-end and the MC libraries.
12 // As such, it deliberately does not include references to LLVM core
13 // code gen types, passes, etc..
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_AARCH64_BASEINFO_H
18 #define LLVM_AARCH64_BASEINFO_H
20 #include "AArch64MCTargetDesc.h"
21 #include "llvm/ADT/StringSwitch.h"
22 #include "llvm/ADT/STLExtras.h"
23 #include "llvm/Support/ErrorHandling.h"
27 // // Enums corresponding to AArch64 condition codes
29 // The CondCodes constants map directly to the 4-bit encoding of the
30 // condition field for predicated instructions.
31 enum CondCodes { // Meaning (integer) Meaning (floating-point)
32 EQ = 0, // Equal Equal
33 NE, // Not equal Not equal, or unordered
34 HS, // Unsigned higher or same >, ==, or unordered
35 LO, // Unsigned lower or same Less than
36 MI, // Minus, negative Less than
37 PL, // Plus, positive or zero >, ==, or unordered
38 VS, // Overflow Unordered
39 VC, // No overflow Ordered
40 HI, // Unsigned higher Greater than, or unordered
41 LS, // Unsigned lower or same Less than or equal
42 GE, // Greater than or equal Greater than or equal
43 LT, // Less than Less than, or unordered
44 GT, // Signed greater than Greater than
45 LE, // Signed less than or equal <, ==, or unordered
46 AL, // Always (unconditional) Always (unconditional)
47 NV, // Always (unconditional) Always (unconditional)
48 // Note the NV exists purely to disassemble 0b1111. Execution
55 inline static const char *A64CondCodeToString(A64CC::CondCodes CC) {
57 default: llvm_unreachable("Unknown condition code");
58 case A64CC::EQ: return "eq";
59 case A64CC::NE: return "ne";
60 case A64CC::HS: return "hs";
61 case A64CC::LO: return "lo";
62 case A64CC::MI: return "mi";
63 case A64CC::PL: return "pl";
64 case A64CC::VS: return "vs";
65 case A64CC::VC: return "vc";
66 case A64CC::HI: return "hi";
67 case A64CC::LS: return "ls";
68 case A64CC::GE: return "ge";
69 case A64CC::LT: return "lt";
70 case A64CC::GT: return "gt";
71 case A64CC::LE: return "le";
72 case A64CC::AL: return "al";
73 case A64CC::NV: return "nv";
77 inline static A64CC::CondCodes A64StringToCondCode(StringRef CondStr) {
78 return StringSwitch<A64CC::CondCodes>(CondStr.lower())
79 .Case("eq", A64CC::EQ)
80 .Case("ne", A64CC::NE)
81 .Case("ne", A64CC::NE)
82 .Case("hs", A64CC::HS)
83 .Case("cs", A64CC::HS)
84 .Case("lo", A64CC::LO)
85 .Case("cc", A64CC::LO)
86 .Case("mi", A64CC::MI)
87 .Case("pl", A64CC::PL)
88 .Case("vs", A64CC::VS)
89 .Case("vc", A64CC::VC)
90 .Case("hi", A64CC::HI)
91 .Case("ls", A64CC::LS)
92 .Case("ge", A64CC::GE)
93 .Case("lt", A64CC::LT)
94 .Case("gt", A64CC::GT)
95 .Case("le", A64CC::LE)
96 .Case("al", A64CC::AL)
97 .Case("nv", A64CC::NV)
98 .Default(A64CC::Invalid);
101 inline static A64CC::CondCodes A64InvertCondCode(A64CC::CondCodes CC) {
102 // It turns out that the condition codes have been designed so that in order
103 // to reverse the intent of the condition you only have to invert the low bit:
105 return static_cast<A64CC::CondCodes>(static_cast<unsigned>(CC) ^ 0x1);
108 /// Instances of this class can perform bidirectional mapping from random
109 /// identifier strings to operand encodings. For example "MSR" takes a named
110 /// system-register which must be encoded somehow and decoded for printing. This
111 /// central location means that the information for those transformations is not
112 /// duplicated and remains in sync.
114 /// FIXME: currently the algorithm is a completely unoptimised linear
115 /// search. Obviously this could be improved, but we would probably want to work
116 /// out just how often these instructions are emitted before working on it. It
117 /// might even be optimal to just reorder the tables for the common instructions
118 /// rather than changing the algorithm.
119 struct NamedImmMapper {
126 NamedImmMapper(const Mapping (&Pairs)[N], uint32_t TooBigImm)
127 : Pairs(&Pairs[0]), NumPairs(N), TooBigImm(TooBigImm) {}
129 StringRef toString(uint32_t Value, bool &Valid) const;
130 uint32_t fromString(StringRef Name, bool &Valid) const;
132 /// Many of the instructions allow an alternative assembly form consisting of
133 /// a simple immediate. Currently the only valid forms are ranges [0, N) where
134 /// N being 0 indicates no immediate syntax-form is allowed.
135 bool validImm(uint32_t Value) const;
137 const Mapping *Pairs;
144 Invalid = -1, // Op0 Op1 CRn CRm Op2
145 S1E1R = 0x43c0, // 01 000 0111 1000 000
146 S1E2R = 0x63c0, // 01 100 0111 1000 000
147 S1E3R = 0x73c0, // 01 110 0111 1000 000
148 S1E1W = 0x43c1, // 01 000 0111 1000 001
149 S1E2W = 0x63c1, // 01 100 0111 1000 001
150 S1E3W = 0x73c1, // 01 110 0111 1000 001
151 S1E0R = 0x43c2, // 01 000 0111 1000 010
152 S1E0W = 0x43c3, // 01 000 0111 1000 011
153 S12E1R = 0x63c4, // 01 100 0111 1000 100
154 S12E1W = 0x63c5, // 01 100 0111 1000 101
155 S12E0R = 0x63c6, // 01 100 0111 1000 110
156 S12E0W = 0x63c7 // 01 100 0111 1000 111
159 struct ATMapper : NamedImmMapper {
160 const static Mapping ATPairs[];
183 struct DBarrierMapper : NamedImmMapper {
184 const static Mapping DBarrierPairs[];
192 Invalid = -1, // Op1 CRn CRm Op2
193 ZVA = 0x5ba1, // 01 011 0111 0100 001
194 IVAC = 0x43b1, // 01 000 0111 0110 001
195 ISW = 0x43b2, // 01 000 0111 0110 010
196 CVAC = 0x5bd1, // 01 011 0111 1010 001
197 CSW = 0x43d2, // 01 000 0111 1010 010
198 CVAU = 0x5bd9, // 01 011 0111 1011 001
199 CIVAC = 0x5bf1, // 01 011 0111 1110 001
200 CISW = 0x43f2 // 01 000 0111 1110 010
203 struct DCMapper : NamedImmMapper {
204 const static Mapping DCPairs[];
213 Invalid = -1, // Op1 CRn CRm Op2
214 IALLUIS = 0x0388, // 000 0111 0001 000
215 IALLU = 0x03a8, // 000 0111 0101 000
216 IVAU = 0x1ba9 // 011 0111 0101 001
220 struct ICMapper : NamedImmMapper {
221 const static Mapping ICPairs[];
226 static inline bool NeedsRegister(ICValues Val) {
236 struct ISBMapper : NamedImmMapper {
237 const static Mapping ISBPairs[];
260 struct PRFMMapper : NamedImmMapper {
261 const static Mapping PRFMPairs[];
267 namespace A64PState {
275 struct PStateMapper : NamedImmMapper {
276 const static Mapping PStatePairs[];
284 enum ShiftExtSpecifiers {
303 namespace A64SysReg {
304 enum SysRegROValues {
305 MDCCSR_EL0 = 0x9808, // 10 011 0000 0001 000
306 DBGDTRRX_EL0 = 0x9828, // 10 011 0000 0101 000
307 MDRAR_EL1 = 0x8080, // 10 000 0001 0000 000
308 OSLSR_EL1 = 0x808c, // 10 000 0001 0001 100
309 DBGAUTHSTATUS_EL1 = 0x83f6, // 10 000 0111 1110 110
310 PMCEID0_EL0 = 0xdce6, // 11 011 1001 1100 110
311 PMCEID1_EL0 = 0xdce7, // 11 011 1001 1100 111
312 MIDR_EL1 = 0xc000, // 11 000 0000 0000 000
313 CCSIDR_EL1 = 0xc800, // 11 001 0000 0000 000
314 CLIDR_EL1 = 0xc801, // 11 001 0000 0000 001
315 CTR_EL0 = 0xd801, // 11 011 0000 0000 001
316 MPIDR_EL1 = 0xc005, // 11 000 0000 0000 101
317 REVIDR_EL1 = 0xc006, // 11 000 0000 0000 110
318 AIDR_EL1 = 0xc807, // 11 001 0000 0000 111
319 DCZID_EL0 = 0xd807, // 11 011 0000 0000 111
320 ID_PFR0_EL1 = 0xc008, // 11 000 0000 0001 000
321 ID_PFR1_EL1 = 0xc009, // 11 000 0000 0001 001
322 ID_DFR0_EL1 = 0xc00a, // 11 000 0000 0001 010
323 ID_AFR0_EL1 = 0xc00b, // 11 000 0000 0001 011
324 ID_MMFR0_EL1 = 0xc00c, // 11 000 0000 0001 100
325 ID_MMFR1_EL1 = 0xc00d, // 11 000 0000 0001 101
326 ID_MMFR2_EL1 = 0xc00e, // 11 000 0000 0001 110
327 ID_MMFR3_EL1 = 0xc00f, // 11 000 0000 0001 111
328 ID_ISAR0_EL1 = 0xc010, // 11 000 0000 0010 000
329 ID_ISAR1_EL1 = 0xc011, // 11 000 0000 0010 001
330 ID_ISAR2_EL1 = 0xc012, // 11 000 0000 0010 010
331 ID_ISAR3_EL1 = 0xc013, // 11 000 0000 0010 011
332 ID_ISAR4_EL1 = 0xc014, // 11 000 0000 0010 100
333 ID_ISAR5_EL1 = 0xc015, // 11 000 0000 0010 101
334 ID_AA64PFR0_EL1 = 0xc020, // 11 000 0000 0100 000
335 ID_AA64PFR1_EL1 = 0xc021, // 11 000 0000 0100 001
336 ID_AA64DFR0_EL1 = 0xc028, // 11 000 0000 0101 000
337 ID_AA64DFR1_EL1 = 0xc029, // 11 000 0000 0101 001
338 ID_AA64AFR0_EL1 = 0xc02c, // 11 000 0000 0101 100
339 ID_AA64AFR1_EL1 = 0xc02d, // 11 000 0000 0101 101
340 ID_AA64ISAR0_EL1 = 0xc030, // 11 000 0000 0110 000
341 ID_AA64ISAR1_EL1 = 0xc031, // 11 000 0000 0110 001
342 ID_AA64MMFR0_EL1 = 0xc038, // 11 000 0000 0111 000
343 ID_AA64MMFR1_EL1 = 0xc039, // 11 000 0000 0111 001
344 MVFR0_EL1 = 0xc018, // 11 000 0000 0011 000
345 MVFR1_EL1 = 0xc019, // 11 000 0000 0011 001
346 MVFR2_EL1 = 0xc01a, // 11 000 0000 0011 010
347 RVBAR_EL1 = 0xc601, // 11 000 1100 0000 001
348 RVBAR_EL2 = 0xe601, // 11 100 1100 0000 001
349 RVBAR_EL3 = 0xf601, // 11 110 1100 0000 001
350 ISR_EL1 = 0xc608, // 11 000 1100 0001 000
351 CNTPCT_EL0 = 0xdf01, // 11 011 1110 0000 001
352 CNTVCT_EL0 = 0xdf02 // 11 011 1110 0000 010
355 enum SysRegWOValues {
356 DBGDTRTX_EL0 = 0x9828, // 10 011 0000 0101 000
357 OSLAR_EL1 = 0x8084, // 10 000 0001 0000 100
358 PMSWINC_EL0 = 0xdce4 // 11 011 1001 1100 100
362 Invalid = -1, // Op0 Op1 CRn CRm Op2
363 OSDTRRX_EL1 = 0x8002, // 10 000 0000 0000 010
364 OSDTRTX_EL1 = 0x801a, // 10 000 0000 0011 010
365 TEECR32_EL1 = 0x9000, // 10 010 0000 0000 000
366 MDCCINT_EL1 = 0x8010, // 10 000 0000 0010 000
367 MDSCR_EL1 = 0x8012, // 10 000 0000 0010 010
368 DBGDTR_EL0 = 0x9820, // 10 011 0000 0100 000
369 OSECCR_EL1 = 0x8032, // 10 000 0000 0110 010
370 DBGVCR32_EL2 = 0xa038, // 10 100 0000 0111 000
371 DBGBVR0_EL1 = 0x8004, // 10 000 0000 0000 100
372 DBGBVR1_EL1 = 0x800c, // 10 000 0000 0001 100
373 DBGBVR2_EL1 = 0x8014, // 10 000 0000 0010 100
374 DBGBVR3_EL1 = 0x801c, // 10 000 0000 0011 100
375 DBGBVR4_EL1 = 0x8024, // 10 000 0000 0100 100
376 DBGBVR5_EL1 = 0x802c, // 10 000 0000 0101 100
377 DBGBVR6_EL1 = 0x8034, // 10 000 0000 0110 100
378 DBGBVR7_EL1 = 0x803c, // 10 000 0000 0111 100
379 DBGBVR8_EL1 = 0x8044, // 10 000 0000 1000 100
380 DBGBVR9_EL1 = 0x804c, // 10 000 0000 1001 100
381 DBGBVR10_EL1 = 0x8054, // 10 000 0000 1010 100
382 DBGBVR11_EL1 = 0x805c, // 10 000 0000 1011 100
383 DBGBVR12_EL1 = 0x8064, // 10 000 0000 1100 100
384 DBGBVR13_EL1 = 0x806c, // 10 000 0000 1101 100
385 DBGBVR14_EL1 = 0x8074, // 10 000 0000 1110 100
386 DBGBVR15_EL1 = 0x807c, // 10 000 0000 1111 100
387 DBGBCR0_EL1 = 0x8005, // 10 000 0000 0000 101
388 DBGBCR1_EL1 = 0x800d, // 10 000 0000 0001 101
389 DBGBCR2_EL1 = 0x8015, // 10 000 0000 0010 101
390 DBGBCR3_EL1 = 0x801d, // 10 000 0000 0011 101
391 DBGBCR4_EL1 = 0x8025, // 10 000 0000 0100 101
392 DBGBCR5_EL1 = 0x802d, // 10 000 0000 0101 101
393 DBGBCR6_EL1 = 0x8035, // 10 000 0000 0110 101
394 DBGBCR7_EL1 = 0x803d, // 10 000 0000 0111 101
395 DBGBCR8_EL1 = 0x8045, // 10 000 0000 1000 101
396 DBGBCR9_EL1 = 0x804d, // 10 000 0000 1001 101
397 DBGBCR10_EL1 = 0x8055, // 10 000 0000 1010 101
398 DBGBCR11_EL1 = 0x805d, // 10 000 0000 1011 101
399 DBGBCR12_EL1 = 0x8065, // 10 000 0000 1100 101
400 DBGBCR13_EL1 = 0x806d, // 10 000 0000 1101 101
401 DBGBCR14_EL1 = 0x8075, // 10 000 0000 1110 101
402 DBGBCR15_EL1 = 0x807d, // 10 000 0000 1111 101
403 DBGWVR0_EL1 = 0x8006, // 10 000 0000 0000 110
404 DBGWVR1_EL1 = 0x800e, // 10 000 0000 0001 110
405 DBGWVR2_EL1 = 0x8016, // 10 000 0000 0010 110
406 DBGWVR3_EL1 = 0x801e, // 10 000 0000 0011 110
407 DBGWVR4_EL1 = 0x8026, // 10 000 0000 0100 110
408 DBGWVR5_EL1 = 0x802e, // 10 000 0000 0101 110
409 DBGWVR6_EL1 = 0x8036, // 10 000 0000 0110 110
410 DBGWVR7_EL1 = 0x803e, // 10 000 0000 0111 110
411 DBGWVR8_EL1 = 0x8046, // 10 000 0000 1000 110
412 DBGWVR9_EL1 = 0x804e, // 10 000 0000 1001 110
413 DBGWVR10_EL1 = 0x8056, // 10 000 0000 1010 110
414 DBGWVR11_EL1 = 0x805e, // 10 000 0000 1011 110
415 DBGWVR12_EL1 = 0x8066, // 10 000 0000 1100 110
416 DBGWVR13_EL1 = 0x806e, // 10 000 0000 1101 110
417 DBGWVR14_EL1 = 0x8076, // 10 000 0000 1110 110
418 DBGWVR15_EL1 = 0x807e, // 10 000 0000 1111 110
419 DBGWCR0_EL1 = 0x8007, // 10 000 0000 0000 111
420 DBGWCR1_EL1 = 0x800f, // 10 000 0000 0001 111
421 DBGWCR2_EL1 = 0x8017, // 10 000 0000 0010 111
422 DBGWCR3_EL1 = 0x801f, // 10 000 0000 0011 111
423 DBGWCR4_EL1 = 0x8027, // 10 000 0000 0100 111
424 DBGWCR5_EL1 = 0x802f, // 10 000 0000 0101 111
425 DBGWCR6_EL1 = 0x8037, // 10 000 0000 0110 111
426 DBGWCR7_EL1 = 0x803f, // 10 000 0000 0111 111
427 DBGWCR8_EL1 = 0x8047, // 10 000 0000 1000 111
428 DBGWCR9_EL1 = 0x804f, // 10 000 0000 1001 111
429 DBGWCR10_EL1 = 0x8057, // 10 000 0000 1010 111
430 DBGWCR11_EL1 = 0x805f, // 10 000 0000 1011 111
431 DBGWCR12_EL1 = 0x8067, // 10 000 0000 1100 111
432 DBGWCR13_EL1 = 0x806f, // 10 000 0000 1101 111
433 DBGWCR14_EL1 = 0x8077, // 10 000 0000 1110 111
434 DBGWCR15_EL1 = 0x807f, // 10 000 0000 1111 111
435 TEEHBR32_EL1 = 0x9080, // 10 010 0001 0000 000
436 OSDLR_EL1 = 0x809c, // 10 000 0001 0011 100
437 DBGPRCR_EL1 = 0x80a4, // 10 000 0001 0100 100
438 DBGCLAIMSET_EL1 = 0x83c6, // 10 000 0111 1000 110
439 DBGCLAIMCLR_EL1 = 0x83ce, // 10 000 0111 1001 110
440 CSSELR_EL1 = 0xd000, // 11 010 0000 0000 000
441 VPIDR_EL2 = 0xe000, // 11 100 0000 0000 000
442 VMPIDR_EL2 = 0xe005, // 11 100 0000 0000 101
443 CPACR_EL1 = 0xc082, // 11 000 0001 0000 010
444 SCTLR_EL1 = 0xc080, // 11 000 0001 0000 000
445 SCTLR_EL2 = 0xe080, // 11 100 0001 0000 000
446 SCTLR_EL3 = 0xf080, // 11 110 0001 0000 000
447 ACTLR_EL1 = 0xc081, // 11 000 0001 0000 001
448 ACTLR_EL2 = 0xe081, // 11 100 0001 0000 001
449 ACTLR_EL3 = 0xf081, // 11 110 0001 0000 001
450 HCR_EL2 = 0xe088, // 11 100 0001 0001 000
451 SCR_EL3 = 0xf088, // 11 110 0001 0001 000
452 MDCR_EL2 = 0xe089, // 11 100 0001 0001 001
453 SDER32_EL3 = 0xf089, // 11 110 0001 0001 001
454 CPTR_EL2 = 0xe08a, // 11 100 0001 0001 010
455 CPTR_EL3 = 0xf08a, // 11 110 0001 0001 010
456 HSTR_EL2 = 0xe08b, // 11 100 0001 0001 011
457 HACR_EL2 = 0xe08f, // 11 100 0001 0001 111
458 MDCR_EL3 = 0xf099, // 11 110 0001 0011 001
459 TTBR0_EL1 = 0xc100, // 11 000 0010 0000 000
460 TTBR0_EL2 = 0xe100, // 11 100 0010 0000 000
461 TTBR0_EL3 = 0xf100, // 11 110 0010 0000 000
462 TTBR1_EL1 = 0xc101, // 11 000 0010 0000 001
463 TCR_EL1 = 0xc102, // 11 000 0010 0000 010
464 TCR_EL2 = 0xe102, // 11 100 0010 0000 010
465 TCR_EL3 = 0xf102, // 11 110 0010 0000 010
466 VTTBR_EL2 = 0xe108, // 11 100 0010 0001 000
467 VTCR_EL2 = 0xe10a, // 11 100 0010 0001 010
468 DACR32_EL2 = 0xe180, // 11 100 0011 0000 000
469 SPSR_EL1 = 0xc200, // 11 000 0100 0000 000
470 SPSR_EL2 = 0xe200, // 11 100 0100 0000 000
471 SPSR_EL3 = 0xf200, // 11 110 0100 0000 000
472 ELR_EL1 = 0xc201, // 11 000 0100 0000 001
473 ELR_EL2 = 0xe201, // 11 100 0100 0000 001
474 ELR_EL3 = 0xf201, // 11 110 0100 0000 001
475 SP_EL0 = 0xc208, // 11 000 0100 0001 000
476 SP_EL1 = 0xe208, // 11 100 0100 0001 000
477 SP_EL2 = 0xf208, // 11 110 0100 0001 000
478 SPSel = 0xc210, // 11 000 0100 0010 000
479 NZCV = 0xda10, // 11 011 0100 0010 000
480 DAIF = 0xda11, // 11 011 0100 0010 001
481 CurrentEL = 0xc212, // 11 000 0100 0010 010
482 SPSR_irq = 0xe218, // 11 100 0100 0011 000
483 SPSR_abt = 0xe219, // 11 100 0100 0011 001
484 SPSR_und = 0xe21a, // 11 100 0100 0011 010
485 SPSR_fiq = 0xe21b, // 11 100 0100 0011 011
486 FPCR = 0xda20, // 11 011 0100 0100 000
487 FPSR = 0xda21, // 11 011 0100 0100 001
488 DSPSR_EL0 = 0xda28, // 11 011 0100 0101 000
489 DLR_EL0 = 0xda29, // 11 011 0100 0101 001
490 IFSR32_EL2 = 0xe281, // 11 100 0101 0000 001
491 AFSR0_EL1 = 0xc288, // 11 000 0101 0001 000
492 AFSR0_EL2 = 0xe288, // 11 100 0101 0001 000
493 AFSR0_EL3 = 0xf288, // 11 110 0101 0001 000
494 AFSR1_EL1 = 0xc289, // 11 000 0101 0001 001
495 AFSR1_EL2 = 0xe289, // 11 100 0101 0001 001
496 AFSR1_EL3 = 0xf289, // 11 110 0101 0001 001
497 ESR_EL1 = 0xc290, // 11 000 0101 0010 000
498 ESR_EL2 = 0xe290, // 11 100 0101 0010 000
499 ESR_EL3 = 0xf290, // 11 110 0101 0010 000
500 FPEXC32_EL2 = 0xe298, // 11 100 0101 0011 000
501 FAR_EL1 = 0xc300, // 11 000 0110 0000 000
502 FAR_EL2 = 0xe300, // 11 100 0110 0000 000
503 FAR_EL3 = 0xf300, // 11 110 0110 0000 000
504 HPFAR_EL2 = 0xe304, // 11 100 0110 0000 100
505 PAR_EL1 = 0xc3a0, // 11 000 0111 0100 000
506 PMCR_EL0 = 0xdce0, // 11 011 1001 1100 000
507 PMCNTENSET_EL0 = 0xdce1, // 11 011 1001 1100 001
508 PMCNTENCLR_EL0 = 0xdce2, // 11 011 1001 1100 010
509 PMOVSCLR_EL0 = 0xdce3, // 11 011 1001 1100 011
510 PMSELR_EL0 = 0xdce5, // 11 011 1001 1100 101
511 PMCCNTR_EL0 = 0xdce8, // 11 011 1001 1101 000
512 PMXEVTYPER_EL0 = 0xdce9, // 11 011 1001 1101 001
513 PMXEVCNTR_EL0 = 0xdcea, // 11 011 1001 1101 010
514 PMUSERENR_EL0 = 0xdcf0, // 11 011 1001 1110 000
515 PMINTENSET_EL1 = 0xc4f1, // 11 000 1001 1110 001
516 PMINTENCLR_EL1 = 0xc4f2, // 11 000 1001 1110 010
517 PMOVSSET_EL0 = 0xdcf3, // 11 011 1001 1110 011
518 MAIR_EL1 = 0xc510, // 11 000 1010 0010 000
519 MAIR_EL2 = 0xe510, // 11 100 1010 0010 000
520 MAIR_EL3 = 0xf510, // 11 110 1010 0010 000
521 AMAIR_EL1 = 0xc518, // 11 000 1010 0011 000
522 AMAIR_EL2 = 0xe518, // 11 100 1010 0011 000
523 AMAIR_EL3 = 0xf518, // 11 110 1010 0011 000
524 VBAR_EL1 = 0xc600, // 11 000 1100 0000 000
525 VBAR_EL2 = 0xe600, // 11 100 1100 0000 000
526 VBAR_EL3 = 0xf600, // 11 110 1100 0000 000
527 RMR_EL1 = 0xc602, // 11 000 1100 0000 010
528 RMR_EL2 = 0xe602, // 11 100 1100 0000 010
529 RMR_EL3 = 0xf602, // 11 110 1100 0000 010
530 CONTEXTIDR_EL1 = 0xc681, // 11 000 1101 0000 001
531 TPIDR_EL0 = 0xde82, // 11 011 1101 0000 010
532 TPIDR_EL2 = 0xe682, // 11 100 1101 0000 010
533 TPIDR_EL3 = 0xf682, // 11 110 1101 0000 010
534 TPIDRRO_EL0 = 0xde83, // 11 011 1101 0000 011
535 TPIDR_EL1 = 0xc684, // 11 000 1101 0000 100
536 CNTFRQ_EL0 = 0xdf00, // 11 011 1110 0000 000
537 CNTVOFF_EL2 = 0xe703, // 11 100 1110 0000 011
538 CNTKCTL_EL1 = 0xc708, // 11 000 1110 0001 000
539 CNTHCTL_EL2 = 0xe708, // 11 100 1110 0001 000
540 CNTP_TVAL_EL0 = 0xdf10, // 11 011 1110 0010 000
541 CNTHP_TVAL_EL2 = 0xe710, // 11 100 1110 0010 000
542 CNTPS_TVAL_EL1 = 0xff10, // 11 111 1110 0010 000
543 CNTP_CTL_EL0 = 0xdf11, // 11 011 1110 0010 001
544 CNTHP_CTL_EL2 = 0xe711, // 11 100 1110 0010 001
545 CNTPS_CTL_EL1 = 0xff11, // 11 111 1110 0010 001
546 CNTP_CVAL_EL0 = 0xdf12, // 11 011 1110 0010 010
547 CNTHP_CVAL_EL2 = 0xe712, // 11 100 1110 0010 010
548 CNTPS_CVAL_EL1 = 0xff12, // 11 111 1110 0010 010
549 CNTV_TVAL_EL0 = 0xdf18, // 11 011 1110 0011 000
550 CNTV_CTL_EL0 = 0xdf19, // 11 011 1110 0011 001
551 CNTV_CVAL_EL0 = 0xdf1a, // 11 011 1110 0011 010
552 PMEVCNTR0_EL0 = 0xdf40, // 11 011 1110 1000 000
553 PMEVCNTR1_EL0 = 0xdf41, // 11 011 1110 1000 001
554 PMEVCNTR2_EL0 = 0xdf42, // 11 011 1110 1000 010
555 PMEVCNTR3_EL0 = 0xdf43, // 11 011 1110 1000 011
556 PMEVCNTR4_EL0 = 0xdf44, // 11 011 1110 1000 100
557 PMEVCNTR5_EL0 = 0xdf45, // 11 011 1110 1000 101
558 PMEVCNTR6_EL0 = 0xdf46, // 11 011 1110 1000 110
559 PMEVCNTR7_EL0 = 0xdf47, // 11 011 1110 1000 111
560 PMEVCNTR8_EL0 = 0xdf48, // 11 011 1110 1001 000
561 PMEVCNTR9_EL0 = 0xdf49, // 11 011 1110 1001 001
562 PMEVCNTR10_EL0 = 0xdf4a, // 11 011 1110 1001 010
563 PMEVCNTR11_EL0 = 0xdf4b, // 11 011 1110 1001 011
564 PMEVCNTR12_EL0 = 0xdf4c, // 11 011 1110 1001 100
565 PMEVCNTR13_EL0 = 0xdf4d, // 11 011 1110 1001 101
566 PMEVCNTR14_EL0 = 0xdf4e, // 11 011 1110 1001 110
567 PMEVCNTR15_EL0 = 0xdf4f, // 11 011 1110 1001 111
568 PMEVCNTR16_EL0 = 0xdf50, // 11 011 1110 1010 000
569 PMEVCNTR17_EL0 = 0xdf51, // 11 011 1110 1010 001
570 PMEVCNTR18_EL0 = 0xdf52, // 11 011 1110 1010 010
571 PMEVCNTR19_EL0 = 0xdf53, // 11 011 1110 1010 011
572 PMEVCNTR20_EL0 = 0xdf54, // 11 011 1110 1010 100
573 PMEVCNTR21_EL0 = 0xdf55, // 11 011 1110 1010 101
574 PMEVCNTR22_EL0 = 0xdf56, // 11 011 1110 1010 110
575 PMEVCNTR23_EL0 = 0xdf57, // 11 011 1110 1010 111
576 PMEVCNTR24_EL0 = 0xdf58, // 11 011 1110 1011 000
577 PMEVCNTR25_EL0 = 0xdf59, // 11 011 1110 1011 001
578 PMEVCNTR26_EL0 = 0xdf5a, // 11 011 1110 1011 010
579 PMEVCNTR27_EL0 = 0xdf5b, // 11 011 1110 1011 011
580 PMEVCNTR28_EL0 = 0xdf5c, // 11 011 1110 1011 100
581 PMEVCNTR29_EL0 = 0xdf5d, // 11 011 1110 1011 101
582 PMEVCNTR30_EL0 = 0xdf5e, // 11 011 1110 1011 110
583 PMCCFILTR_EL0 = 0xdf7f, // 11 011 1110 1111 111
584 PMEVTYPER0_EL0 = 0xdf60, // 11 011 1110 1100 000
585 PMEVTYPER1_EL0 = 0xdf61, // 11 011 1110 1100 001
586 PMEVTYPER2_EL0 = 0xdf62, // 11 011 1110 1100 010
587 PMEVTYPER3_EL0 = 0xdf63, // 11 011 1110 1100 011
588 PMEVTYPER4_EL0 = 0xdf64, // 11 011 1110 1100 100
589 PMEVTYPER5_EL0 = 0xdf65, // 11 011 1110 1100 101
590 PMEVTYPER6_EL0 = 0xdf66, // 11 011 1110 1100 110
591 PMEVTYPER7_EL0 = 0xdf67, // 11 011 1110 1100 111
592 PMEVTYPER8_EL0 = 0xdf68, // 11 011 1110 1101 000
593 PMEVTYPER9_EL0 = 0xdf69, // 11 011 1110 1101 001
594 PMEVTYPER10_EL0 = 0xdf6a, // 11 011 1110 1101 010
595 PMEVTYPER11_EL0 = 0xdf6b, // 11 011 1110 1101 011
596 PMEVTYPER12_EL0 = 0xdf6c, // 11 011 1110 1101 100
597 PMEVTYPER13_EL0 = 0xdf6d, // 11 011 1110 1101 101
598 PMEVTYPER14_EL0 = 0xdf6e, // 11 011 1110 1101 110
599 PMEVTYPER15_EL0 = 0xdf6f, // 11 011 1110 1101 111
600 PMEVTYPER16_EL0 = 0xdf70, // 11 011 1110 1110 000
601 PMEVTYPER17_EL0 = 0xdf71, // 11 011 1110 1110 001
602 PMEVTYPER18_EL0 = 0xdf72, // 11 011 1110 1110 010
603 PMEVTYPER19_EL0 = 0xdf73, // 11 011 1110 1110 011
604 PMEVTYPER20_EL0 = 0xdf74, // 11 011 1110 1110 100
605 PMEVTYPER21_EL0 = 0xdf75, // 11 011 1110 1110 101
606 PMEVTYPER22_EL0 = 0xdf76, // 11 011 1110 1110 110
607 PMEVTYPER23_EL0 = 0xdf77, // 11 011 1110 1110 111
608 PMEVTYPER24_EL0 = 0xdf78, // 11 011 1110 1111 000
609 PMEVTYPER25_EL0 = 0xdf79, // 11 011 1110 1111 001
610 PMEVTYPER26_EL0 = 0xdf7a, // 11 011 1110 1111 010
611 PMEVTYPER27_EL0 = 0xdf7b, // 11 011 1110 1111 011
612 PMEVTYPER28_EL0 = 0xdf7c, // 11 011 1110 1111 100
613 PMEVTYPER29_EL0 = 0xdf7d, // 11 011 1110 1111 101
614 PMEVTYPER30_EL0 = 0xdf7e // 11 011 1110 1111 110
617 // Note that these do not inherit from NamedImmMapper. This class is
618 // sufficiently different in its behaviour that I don't believe it's worth
619 // burdening the common NamedImmMapper with abstractions only needed in
621 struct SysRegMapper {
622 static const NamedImmMapper::Mapping SysRegPairs[];
624 const NamedImmMapper::Mapping *InstPairs;
628 uint32_t fromString(StringRef Name, bool &Valid) const;
629 std::string toString(uint32_t Bits, bool &Valid) const;
632 struct MSRMapper : SysRegMapper {
633 static const NamedImmMapper::Mapping MSRPairs[];
637 struct MRSMapper : SysRegMapper {
638 static const NamedImmMapper::Mapping MRSPairs[];
642 uint32_t ParseGenericRegister(StringRef Name, bool &Valid);
647 Invalid = -1, // Op0 Op1 CRn CRm Op2
648 IPAS2E1IS = 0x6401, // 01 100 1000 0000 001
649 IPAS2LE1IS = 0x6405, // 01 100 1000 0000 101
650 VMALLE1IS = 0x4418, // 01 000 1000 0011 000
651 ALLE2IS = 0x6418, // 01 100 1000 0011 000
652 ALLE3IS = 0x7418, // 01 110 1000 0011 000
653 VAE1IS = 0x4419, // 01 000 1000 0011 001
654 VAE2IS = 0x6419, // 01 100 1000 0011 001
655 VAE3IS = 0x7419, // 01 110 1000 0011 001
656 ASIDE1IS = 0x441a, // 01 000 1000 0011 010
657 VAAE1IS = 0x441b, // 01 000 1000 0011 011
658 ALLE1IS = 0x641c, // 01 100 1000 0011 100
659 VALE1IS = 0x441d, // 01 000 1000 0011 101
660 VALE2IS = 0x641d, // 01 100 1000 0011 101
661 VALE3IS = 0x741d, // 01 110 1000 0011 101
662 VMALLS12E1IS = 0x641e, // 01 100 1000 0011 110
663 VAALE1IS = 0x441f, // 01 000 1000 0011 111
664 IPAS2E1 = 0x6421, // 01 100 1000 0100 001
665 IPAS2LE1 = 0x6425, // 01 100 1000 0100 101
666 VMALLE1 = 0x4438, // 01 000 1000 0111 000
667 ALLE2 = 0x6438, // 01 100 1000 0111 000
668 ALLE3 = 0x7438, // 01 110 1000 0111 000
669 VAE1 = 0x4439, // 01 000 1000 0111 001
670 VAE2 = 0x6439, // 01 100 1000 0111 001
671 VAE3 = 0x7439, // 01 110 1000 0111 001
672 ASIDE1 = 0x443a, // 01 000 1000 0111 010
673 VAAE1 = 0x443b, // 01 000 1000 0111 011
674 ALLE1 = 0x643c, // 01 100 1000 0111 100
675 VALE1 = 0x443d, // 01 000 1000 0111 101
676 VALE2 = 0x643d, // 01 100 1000 0111 101
677 VALE3 = 0x743d, // 01 110 1000 0111 101
678 VMALLS12E1 = 0x643e, // 01 100 1000 0111 110
679 VAALE1 = 0x443f // 01 000 1000 0111 111
682 struct TLBIMapper : NamedImmMapper {
683 const static Mapping TLBIPairs[];
688 static inline bool NeedsRegister(TLBIValues Val) {
707 namespace AArch64II {
710 //===--------------------------------------------------------------===//
711 // AArch64 Specific MachineOperand flags.
715 // MO_GOT - Represents a relocation referring to the GOT entry of a given
716 // symbol. Used in adrp.
719 // MO_GOT_LO12 - Represents a relocation referring to the low 12 bits of the
720 // GOT entry of a given symbol. Used in ldr only.
723 // MO_DTPREL_* - Represents a relocation referring to the offset from a
724 // module's dynamic thread pointer. Used in the local-dynamic TLS access
729 // MO_GOTTPREL_* - Represents a relocation referring to a GOT entry
730 // providing the offset of a variable from the thread-pointer. Used in
731 // initial-exec TLS model where this offset is assigned in the static thread
732 // block and thus known by the dynamic linker.
736 // MO_TLSDESC_* - Represents a relocation referring to a GOT entry providing
737 // a TLS descriptor chosen by the dynamic linker. Used for the
738 // general-dynamic and local-dynamic TLS access models where very littls is
739 // known at link-time.
743 // MO_TPREL_* - Represents a relocation referring to the offset of a
744 // variable from the thread pointer itself. Used in the local-exec TLS
749 // MO_LO12 - On a symbol operand, this represents a relocation containing
750 // lower 12 bits of the address. Used in add/sub/ldr/str.
758 bool isFPImm(const APFloat &Val, uint32_t &Imm8Bits);
760 inline bool isFPImm(const APFloat &Val) {
762 return isFPImm(Val, Imm8);
765 bool isLogicalImm(unsigned RegWidth, uint64_t Imm, uint32_t &Bits);
766 bool isLogicalImmBits(unsigned RegWidth, uint32_t Bits, uint64_t &Imm);
768 bool isMOVZImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift);
769 bool isMOVNImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift);
771 // We sometimes want to know whether the immediate is representable with a
772 // MOVN but *not* with a MOVZ (because that would take priority).
773 bool isOnlyMOVNImm(int RegWidth, uint64_t Value, int &UImm16, int &Shift);
777 } // end namespace llvm;