1 //===-- AArch64BaseInfo.cpp - AArch64 Base encoding information------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file provides basic encoding and assembly information for AArch64.
11 //===----------------------------------------------------------------------===//
12 #include "AArch64BaseInfo.h"
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/ADT/SmallVector.h"
15 #include "llvm/ADT/StringExtras.h"
16 #include "llvm/Support/Regex.h"
23 #include "AArch64GenSystemOperands.inc"
31 #include "AArch64GenSystemOperands.inc"
38 #include "AArch64GenSystemOperands.inc"
45 #include "AArch64GenSystemOperands.inc"
50 namespace AArch64ISB {
52 #include "AArch64GenSystemOperands.inc"
57 namespace AArch64TSB {
59 #include "AArch64GenSystemOperands.inc"
64 namespace AArch64PRCTX {
65 #define GET_PRCTX_IMPL
66 #include "AArch64GenSystemOperands.inc"
71 namespace AArch64PRFM {
73 #include "AArch64GenSystemOperands.inc"
78 namespace AArch64SVEPRFM {
79 #define GET_SVEPRFM_IMPL
80 #include "AArch64GenSystemOperands.inc"
85 namespace AArch64SVEPredPattern {
86 #define GET_SVEPREDPAT_IMPL
87 #include "AArch64GenSystemOperands.inc"
92 namespace AArch64ExactFPImm {
93 #define GET_EXACTFPIMM_IMPL
94 #include "AArch64GenSystemOperands.inc"
99 namespace AArch64PState {
100 #define GET_PSTATE_IMPL
101 #include "AArch64GenSystemOperands.inc"
106 namespace AArch64PSBHint {
108 #include "AArch64GenSystemOperands.inc"
113 namespace AArch64BTIHint {
115 #include "AArch64GenSystemOperands.inc"
120 namespace AArch64SysReg {
121 #define GET_SYSREG_IMPL
122 #include "AArch64GenSystemOperands.inc"
126 uint32_t AArch64SysReg::parseGenericRegister(StringRef Name) {
127 // Try to parse an S<op0>_<op1>_<Cn>_<Cm>_<op2> register name
128 static const Regex GenericRegPattern("^S([0-3])_([0-7])_C([0-9]|1[0-5])_C([0-9]|1[0-5])_([0-7])$");
130 std::string UpperName = Name.upper();
131 SmallVector<StringRef, 5> Ops;
132 if (!GenericRegPattern.match(UpperName, &Ops))
135 uint32_t Op0 = 0, Op1 = 0, CRn = 0, CRm = 0, Op2 = 0;
137 Ops[1].getAsInteger(10, Op0);
138 Ops[2].getAsInteger(10, Op1);
139 Ops[3].getAsInteger(10, CRn);
140 Ops[4].getAsInteger(10, CRm);
141 Ops[5].getAsInteger(10, Op2);
142 Bits = (Op0 << 14) | (Op1 << 11) | (CRn << 7) | (CRm << 3) | Op2;
147 std::string AArch64SysReg::genericRegisterString(uint32_t Bits) {
148 assert(Bits < 0x10000);
149 uint32_t Op0 = (Bits >> 14) & 0x3;
150 uint32_t Op1 = (Bits >> 11) & 0x7;
151 uint32_t CRn = (Bits >> 7) & 0xf;
152 uint32_t CRm = (Bits >> 3) & 0xf;
153 uint32_t Op2 = Bits & 0x7;
155 return "S" + utostr(Op0) + "_" + utostr(Op1) + "_C" + utostr(CRn) + "_C" +
156 utostr(CRm) + "_" + utostr(Op2);
160 namespace AArch64TLBI {
161 #define GET_TLBI_IMPL
162 #include "AArch64GenSystemOperands.inc"