1 //=- AArch64RegisterInfo.td - Describe the AArch64 Registers -*- tablegen -*-=//
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 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
13 class AArch64Reg<bits<16> enc, string n, list<Register> subregs = [],
14 list<string> altNames = []>
15 : Register<n, altNames> {
17 let Namespace = "AArch64";
18 let SubRegs = subregs;
21 let Namespace = "AArch64" in {
22 def sub_32 : SubRegIndex<32>;
24 def bsub : SubRegIndex<8>;
25 def hsub : SubRegIndex<16>;
26 def ssub : SubRegIndex<32>;
27 def dsub : SubRegIndex<32>;
28 def sube32 : SubRegIndex<32>;
29 def subo32 : SubRegIndex<32>;
30 def qhisub : SubRegIndex<64>;
31 def qsub : SubRegIndex<64>;
32 def sube64 : SubRegIndex<64>;
33 def subo64 : SubRegIndex<64>;
35 def zsub : SubRegIndex<128>;
36 // Note: zsub_hi should never be used directly because it represents
37 // the scalable part of the SVE vector and cannot be manipulated as a
38 // subvector in the same way the lower 128bits can.
39 def zsub_hi : SubRegIndex<128>;
40 // Note: Code depends on these having consecutive numbers
41 def dsub0 : SubRegIndex<64>;
42 def dsub1 : SubRegIndex<64>;
43 def dsub2 : SubRegIndex<64>;
44 def dsub3 : SubRegIndex<64>;
45 // Note: Code depends on these having consecutive numbers
46 def qsub0 : SubRegIndex<128>;
47 def qsub1 : SubRegIndex<128>;
48 def qsub2 : SubRegIndex<128>;
49 def qsub3 : SubRegIndex<128>;
52 let Namespace = "AArch64" in {
53 def vreg : RegAltNameIndex;
54 def vlist1 : RegAltNameIndex;
57 //===----------------------------------------------------------------------===//
59 //===----------------------------------------------------------------------===//
60 def W0 : AArch64Reg<0, "w0" >, DwarfRegNum<[0]>;
61 def W1 : AArch64Reg<1, "w1" >, DwarfRegNum<[1]>;
62 def W2 : AArch64Reg<2, "w2" >, DwarfRegNum<[2]>;
63 def W3 : AArch64Reg<3, "w3" >, DwarfRegNum<[3]>;
64 def W4 : AArch64Reg<4, "w4" >, DwarfRegNum<[4]>;
65 def W5 : AArch64Reg<5, "w5" >, DwarfRegNum<[5]>;
66 def W6 : AArch64Reg<6, "w6" >, DwarfRegNum<[6]>;
67 def W7 : AArch64Reg<7, "w7" >, DwarfRegNum<[7]>;
68 def W8 : AArch64Reg<8, "w8" >, DwarfRegNum<[8]>;
69 def W9 : AArch64Reg<9, "w9" >, DwarfRegNum<[9]>;
70 def W10 : AArch64Reg<10, "w10">, DwarfRegNum<[10]>;
71 def W11 : AArch64Reg<11, "w11">, DwarfRegNum<[11]>;
72 def W12 : AArch64Reg<12, "w12">, DwarfRegNum<[12]>;
73 def W13 : AArch64Reg<13, "w13">, DwarfRegNum<[13]>;
74 def W14 : AArch64Reg<14, "w14">, DwarfRegNum<[14]>;
75 def W15 : AArch64Reg<15, "w15">, DwarfRegNum<[15]>;
76 def W16 : AArch64Reg<16, "w16">, DwarfRegNum<[16]>;
77 def W17 : AArch64Reg<17, "w17">, DwarfRegNum<[17]>;
78 def W18 : AArch64Reg<18, "w18">, DwarfRegNum<[18]>;
79 def W19 : AArch64Reg<19, "w19">, DwarfRegNum<[19]>;
80 def W20 : AArch64Reg<20, "w20">, DwarfRegNum<[20]>;
81 def W21 : AArch64Reg<21, "w21">, DwarfRegNum<[21]>;
82 def W22 : AArch64Reg<22, "w22">, DwarfRegNum<[22]>;
83 def W23 : AArch64Reg<23, "w23">, DwarfRegNum<[23]>;
84 def W24 : AArch64Reg<24, "w24">, DwarfRegNum<[24]>;
85 def W25 : AArch64Reg<25, "w25">, DwarfRegNum<[25]>;
86 def W26 : AArch64Reg<26, "w26">, DwarfRegNum<[26]>;
87 def W27 : AArch64Reg<27, "w27">, DwarfRegNum<[27]>;
88 def W28 : AArch64Reg<28, "w28">, DwarfRegNum<[28]>;
89 def W29 : AArch64Reg<29, "w29">, DwarfRegNum<[29]>;
90 def W30 : AArch64Reg<30, "w30">, DwarfRegNum<[30]>;
91 def WSP : AArch64Reg<31, "wsp">, DwarfRegNum<[31]>;
92 def WZR : AArch64Reg<31, "wzr">, DwarfRegAlias<WSP>;
94 let SubRegIndices = [sub_32] in {
95 def X0 : AArch64Reg<0, "x0", [W0]>, DwarfRegAlias<W0>;
96 def X1 : AArch64Reg<1, "x1", [W1]>, DwarfRegAlias<W1>;
97 def X2 : AArch64Reg<2, "x2", [W2]>, DwarfRegAlias<W2>;
98 def X3 : AArch64Reg<3, "x3", [W3]>, DwarfRegAlias<W3>;
99 def X4 : AArch64Reg<4, "x4", [W4]>, DwarfRegAlias<W4>;
100 def X5 : AArch64Reg<5, "x5", [W5]>, DwarfRegAlias<W5>;
101 def X6 : AArch64Reg<6, "x6", [W6]>, DwarfRegAlias<W6>;
102 def X7 : AArch64Reg<7, "x7", [W7]>, DwarfRegAlias<W7>;
103 def X8 : AArch64Reg<8, "x8", [W8]>, DwarfRegAlias<W8>;
104 def X9 : AArch64Reg<9, "x9", [W9]>, DwarfRegAlias<W9>;
105 def X10 : AArch64Reg<10, "x10", [W10]>, DwarfRegAlias<W10>;
106 def X11 : AArch64Reg<11, "x11", [W11]>, DwarfRegAlias<W11>;
107 def X12 : AArch64Reg<12, "x12", [W12]>, DwarfRegAlias<W12>;
108 def X13 : AArch64Reg<13, "x13", [W13]>, DwarfRegAlias<W13>;
109 def X14 : AArch64Reg<14, "x14", [W14]>, DwarfRegAlias<W14>;
110 def X15 : AArch64Reg<15, "x15", [W15]>, DwarfRegAlias<W15>;
111 def X16 : AArch64Reg<16, "x16", [W16]>, DwarfRegAlias<W16>;
112 def X17 : AArch64Reg<17, "x17", [W17]>, DwarfRegAlias<W17>;
113 def X18 : AArch64Reg<18, "x18", [W18]>, DwarfRegAlias<W18>;
114 def X19 : AArch64Reg<19, "x19", [W19]>, DwarfRegAlias<W19>;
115 def X20 : AArch64Reg<20, "x20", [W20]>, DwarfRegAlias<W20>;
116 def X21 : AArch64Reg<21, "x21", [W21]>, DwarfRegAlias<W21>;
117 def X22 : AArch64Reg<22, "x22", [W22]>, DwarfRegAlias<W22>;
118 def X23 : AArch64Reg<23, "x23", [W23]>, DwarfRegAlias<W23>;
119 def X24 : AArch64Reg<24, "x24", [W24]>, DwarfRegAlias<W24>;
120 def X25 : AArch64Reg<25, "x25", [W25]>, DwarfRegAlias<W25>;
121 def X26 : AArch64Reg<26, "x26", [W26]>, DwarfRegAlias<W26>;
122 def X27 : AArch64Reg<27, "x27", [W27]>, DwarfRegAlias<W27>;
123 def X28 : AArch64Reg<28, "x28", [W28]>, DwarfRegAlias<W28>;
124 def FP : AArch64Reg<29, "x29", [W29]>, DwarfRegAlias<W29>;
125 def LR : AArch64Reg<30, "x30", [W30]>, DwarfRegAlias<W30>;
126 def SP : AArch64Reg<31, "sp", [WSP]>, DwarfRegAlias<WSP>;
127 def XZR : AArch64Reg<31, "xzr", [WZR]>, DwarfRegAlias<WSP>;
130 // Condition code register.
131 def NZCV : AArch64Reg<0, "nzcv">;
133 // First fault status register
134 def FFR : AArch64Reg<0, "ffr">, DwarfRegNum<[47]>;
136 // GPR register classes with the intersections of GPR32/GPR32sp and
137 // GPR64/GPR64sp for use by the coalescer.
138 def GPR32common : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 0, 30)> {
139 let AltOrders = [(rotl GPR32common, 8)];
140 let AltOrderSelect = [{ return 1; }];
142 def GPR64common : RegisterClass<"AArch64", [i64], 64,
143 (add (sequence "X%u", 0, 28), FP, LR)> {
144 let AltOrders = [(rotl GPR64common, 8)];
145 let AltOrderSelect = [{ return 1; }];
147 // GPR register classes which exclude SP/WSP.
148 def GPR32 : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WZR)> {
149 let AltOrders = [(rotl GPR32, 8)];
150 let AltOrderSelect = [{ return 1; }];
152 def GPR64 : RegisterClass<"AArch64", [i64], 64, (add GPR64common, XZR)> {
153 let AltOrders = [(rotl GPR64, 8)];
154 let AltOrderSelect = [{ return 1; }];
157 // GPR register classes which include SP/WSP.
158 def GPR32sp : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WSP)> {
159 let AltOrders = [(rotl GPR32sp, 8)];
160 let AltOrderSelect = [{ return 1; }];
162 def GPR64sp : RegisterClass<"AArch64", [i64], 64, (add GPR64common, SP)> {
163 let AltOrders = [(rotl GPR64sp, 8)];
164 let AltOrderSelect = [{ return 1; }];
167 def GPR32sponly : RegisterClass<"AArch64", [i32], 32, (add WSP)>;
168 def GPR64sponly : RegisterClass<"AArch64", [i64], 64, (add SP)>;
170 def GPR64spPlus0Operand : AsmOperandClass {
171 let Name = "GPR64sp0";
172 let RenderMethod = "addRegOperands";
173 let PredicateMethod = "isGPR64<AArch64::GPR64spRegClassID>";
174 let ParserMethod = "tryParseGPR64sp0Operand";
177 def GPR64sp0 : RegisterOperand<GPR64sp> {
178 let ParserMatchClass = GPR64spPlus0Operand;
181 // GPR32/GPR64 but with zero-register substitution enabled.
182 // TODO: Roll this out to GPR32/GPR64/GPR32all/GPR64all.
183 def GPR32z : RegisterOperand<GPR32> {
184 let GIZeroRegister = WZR;
186 def GPR64z : RegisterOperand<GPR64> {
187 let GIZeroRegister = XZR;
190 // GPR argument registers.
191 def GPR32arg : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 0, 7)>;
192 def GPR64arg : RegisterClass<"AArch64", [i64], 64, (sequence "X%u", 0, 7)>;
194 // GPR register classes which include WZR/XZR AND SP/WSP. This is not a
195 // constraint used by any instructions, it is used as a common super-class.
196 def GPR32all : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WZR, WSP)>;
197 def GPR64all : RegisterClass<"AArch64", [i64], 64, (add GPR64common, XZR, SP)>;
199 // For tail calls, we can't use callee-saved registers, as they are restored
200 // to the saved value before the tail call, which would clobber a call address.
201 // This is for indirect tail calls to store the address of the destination.
202 def tcGPR64 : RegisterClass<"AArch64", [i64], 64, (sub GPR64common, X19, X20, X21,
203 X22, X23, X24, X25, X26,
206 // Restricted set of tail call registers, for use when branch target
207 // enforcement is enabled. These are the only registers which can be used to
208 // indirectly branch (not call) to the "BTI c" instruction at the start of a
209 // BTI-protected function.
210 def rtcGPR64 : RegisterClass<"AArch64", [i64], 64, (add X16, X17)>;
212 // Register set that excludes registers that are reserved for procedure calls.
213 // This is used for pseudo-instructions that are actually implemented using a
215 def GPR64noip : RegisterClass<"AArch64", [i64], 64, (sub GPR64, X16, X17, LR)>;
217 // GPR register classes for post increment amount of vector load/store that
218 // has alternate printing when Rm=31 and prints a constant immediate value
219 // equal to the total number of bytes transferred.
221 // FIXME: TableGen *should* be able to do these itself now. There appears to be
222 // a bug in counting how many operands a Post-indexed MCInst should have which
223 // means the aliases don't trigger.
224 def GPR64pi1 : RegisterOperand<GPR64, "printPostIncOperand<1>">;
225 def GPR64pi2 : RegisterOperand<GPR64, "printPostIncOperand<2>">;
226 def GPR64pi3 : RegisterOperand<GPR64, "printPostIncOperand<3>">;
227 def GPR64pi4 : RegisterOperand<GPR64, "printPostIncOperand<4>">;
228 def GPR64pi6 : RegisterOperand<GPR64, "printPostIncOperand<6>">;
229 def GPR64pi8 : RegisterOperand<GPR64, "printPostIncOperand<8>">;
230 def GPR64pi12 : RegisterOperand<GPR64, "printPostIncOperand<12>">;
231 def GPR64pi16 : RegisterOperand<GPR64, "printPostIncOperand<16>">;
232 def GPR64pi24 : RegisterOperand<GPR64, "printPostIncOperand<24>">;
233 def GPR64pi32 : RegisterOperand<GPR64, "printPostIncOperand<32>">;
234 def GPR64pi48 : RegisterOperand<GPR64, "printPostIncOperand<48>">;
235 def GPR64pi64 : RegisterOperand<GPR64, "printPostIncOperand<64>">;
237 // Condition code regclass.
238 def CCR : RegisterClass<"AArch64", [i32], 32, (add NZCV)> {
239 let CopyCost = -1; // Don't allow copying of status registers.
241 // CCR is not allocatable.
242 let isAllocatable = 0;
245 //===----------------------------------------------------------------------===//
246 // Floating Point Scalar Registers
247 //===----------------------------------------------------------------------===//
249 def B0 : AArch64Reg<0, "b0">, DwarfRegNum<[64]>;
250 def B1 : AArch64Reg<1, "b1">, DwarfRegNum<[65]>;
251 def B2 : AArch64Reg<2, "b2">, DwarfRegNum<[66]>;
252 def B3 : AArch64Reg<3, "b3">, DwarfRegNum<[67]>;
253 def B4 : AArch64Reg<4, "b4">, DwarfRegNum<[68]>;
254 def B5 : AArch64Reg<5, "b5">, DwarfRegNum<[69]>;
255 def B6 : AArch64Reg<6, "b6">, DwarfRegNum<[70]>;
256 def B7 : AArch64Reg<7, "b7">, DwarfRegNum<[71]>;
257 def B8 : AArch64Reg<8, "b8">, DwarfRegNum<[72]>;
258 def B9 : AArch64Reg<9, "b9">, DwarfRegNum<[73]>;
259 def B10 : AArch64Reg<10, "b10">, DwarfRegNum<[74]>;
260 def B11 : AArch64Reg<11, "b11">, DwarfRegNum<[75]>;
261 def B12 : AArch64Reg<12, "b12">, DwarfRegNum<[76]>;
262 def B13 : AArch64Reg<13, "b13">, DwarfRegNum<[77]>;
263 def B14 : AArch64Reg<14, "b14">, DwarfRegNum<[78]>;
264 def B15 : AArch64Reg<15, "b15">, DwarfRegNum<[79]>;
265 def B16 : AArch64Reg<16, "b16">, DwarfRegNum<[80]>;
266 def B17 : AArch64Reg<17, "b17">, DwarfRegNum<[81]>;
267 def B18 : AArch64Reg<18, "b18">, DwarfRegNum<[82]>;
268 def B19 : AArch64Reg<19, "b19">, DwarfRegNum<[83]>;
269 def B20 : AArch64Reg<20, "b20">, DwarfRegNum<[84]>;
270 def B21 : AArch64Reg<21, "b21">, DwarfRegNum<[85]>;
271 def B22 : AArch64Reg<22, "b22">, DwarfRegNum<[86]>;
272 def B23 : AArch64Reg<23, "b23">, DwarfRegNum<[87]>;
273 def B24 : AArch64Reg<24, "b24">, DwarfRegNum<[88]>;
274 def B25 : AArch64Reg<25, "b25">, DwarfRegNum<[89]>;
275 def B26 : AArch64Reg<26, "b26">, DwarfRegNum<[90]>;
276 def B27 : AArch64Reg<27, "b27">, DwarfRegNum<[91]>;
277 def B28 : AArch64Reg<28, "b28">, DwarfRegNum<[92]>;
278 def B29 : AArch64Reg<29, "b29">, DwarfRegNum<[93]>;
279 def B30 : AArch64Reg<30, "b30">, DwarfRegNum<[94]>;
280 def B31 : AArch64Reg<31, "b31">, DwarfRegNum<[95]>;
282 let SubRegIndices = [bsub] in {
283 def H0 : AArch64Reg<0, "h0", [B0]>, DwarfRegAlias<B0>;
284 def H1 : AArch64Reg<1, "h1", [B1]>, DwarfRegAlias<B1>;
285 def H2 : AArch64Reg<2, "h2", [B2]>, DwarfRegAlias<B2>;
286 def H3 : AArch64Reg<3, "h3", [B3]>, DwarfRegAlias<B3>;
287 def H4 : AArch64Reg<4, "h4", [B4]>, DwarfRegAlias<B4>;
288 def H5 : AArch64Reg<5, "h5", [B5]>, DwarfRegAlias<B5>;
289 def H6 : AArch64Reg<6, "h6", [B6]>, DwarfRegAlias<B6>;
290 def H7 : AArch64Reg<7, "h7", [B7]>, DwarfRegAlias<B7>;
291 def H8 : AArch64Reg<8, "h8", [B8]>, DwarfRegAlias<B8>;
292 def H9 : AArch64Reg<9, "h9", [B9]>, DwarfRegAlias<B9>;
293 def H10 : AArch64Reg<10, "h10", [B10]>, DwarfRegAlias<B10>;
294 def H11 : AArch64Reg<11, "h11", [B11]>, DwarfRegAlias<B11>;
295 def H12 : AArch64Reg<12, "h12", [B12]>, DwarfRegAlias<B12>;
296 def H13 : AArch64Reg<13, "h13", [B13]>, DwarfRegAlias<B13>;
297 def H14 : AArch64Reg<14, "h14", [B14]>, DwarfRegAlias<B14>;
298 def H15 : AArch64Reg<15, "h15", [B15]>, DwarfRegAlias<B15>;
299 def H16 : AArch64Reg<16, "h16", [B16]>, DwarfRegAlias<B16>;
300 def H17 : AArch64Reg<17, "h17", [B17]>, DwarfRegAlias<B17>;
301 def H18 : AArch64Reg<18, "h18", [B18]>, DwarfRegAlias<B18>;
302 def H19 : AArch64Reg<19, "h19", [B19]>, DwarfRegAlias<B19>;
303 def H20 : AArch64Reg<20, "h20", [B20]>, DwarfRegAlias<B20>;
304 def H21 : AArch64Reg<21, "h21", [B21]>, DwarfRegAlias<B21>;
305 def H22 : AArch64Reg<22, "h22", [B22]>, DwarfRegAlias<B22>;
306 def H23 : AArch64Reg<23, "h23", [B23]>, DwarfRegAlias<B23>;
307 def H24 : AArch64Reg<24, "h24", [B24]>, DwarfRegAlias<B24>;
308 def H25 : AArch64Reg<25, "h25", [B25]>, DwarfRegAlias<B25>;
309 def H26 : AArch64Reg<26, "h26", [B26]>, DwarfRegAlias<B26>;
310 def H27 : AArch64Reg<27, "h27", [B27]>, DwarfRegAlias<B27>;
311 def H28 : AArch64Reg<28, "h28", [B28]>, DwarfRegAlias<B28>;
312 def H29 : AArch64Reg<29, "h29", [B29]>, DwarfRegAlias<B29>;
313 def H30 : AArch64Reg<30, "h30", [B30]>, DwarfRegAlias<B30>;
314 def H31 : AArch64Reg<31, "h31", [B31]>, DwarfRegAlias<B31>;
317 let SubRegIndices = [hsub] in {
318 def S0 : AArch64Reg<0, "s0", [H0]>, DwarfRegAlias<B0>;
319 def S1 : AArch64Reg<1, "s1", [H1]>, DwarfRegAlias<B1>;
320 def S2 : AArch64Reg<2, "s2", [H2]>, DwarfRegAlias<B2>;
321 def S3 : AArch64Reg<3, "s3", [H3]>, DwarfRegAlias<B3>;
322 def S4 : AArch64Reg<4, "s4", [H4]>, DwarfRegAlias<B4>;
323 def S5 : AArch64Reg<5, "s5", [H5]>, DwarfRegAlias<B5>;
324 def S6 : AArch64Reg<6, "s6", [H6]>, DwarfRegAlias<B6>;
325 def S7 : AArch64Reg<7, "s7", [H7]>, DwarfRegAlias<B7>;
326 def S8 : AArch64Reg<8, "s8", [H8]>, DwarfRegAlias<B8>;
327 def S9 : AArch64Reg<9, "s9", [H9]>, DwarfRegAlias<B9>;
328 def S10 : AArch64Reg<10, "s10", [H10]>, DwarfRegAlias<B10>;
329 def S11 : AArch64Reg<11, "s11", [H11]>, DwarfRegAlias<B11>;
330 def S12 : AArch64Reg<12, "s12", [H12]>, DwarfRegAlias<B12>;
331 def S13 : AArch64Reg<13, "s13", [H13]>, DwarfRegAlias<B13>;
332 def S14 : AArch64Reg<14, "s14", [H14]>, DwarfRegAlias<B14>;
333 def S15 : AArch64Reg<15, "s15", [H15]>, DwarfRegAlias<B15>;
334 def S16 : AArch64Reg<16, "s16", [H16]>, DwarfRegAlias<B16>;
335 def S17 : AArch64Reg<17, "s17", [H17]>, DwarfRegAlias<B17>;
336 def S18 : AArch64Reg<18, "s18", [H18]>, DwarfRegAlias<B18>;
337 def S19 : AArch64Reg<19, "s19", [H19]>, DwarfRegAlias<B19>;
338 def S20 : AArch64Reg<20, "s20", [H20]>, DwarfRegAlias<B20>;
339 def S21 : AArch64Reg<21, "s21", [H21]>, DwarfRegAlias<B21>;
340 def S22 : AArch64Reg<22, "s22", [H22]>, DwarfRegAlias<B22>;
341 def S23 : AArch64Reg<23, "s23", [H23]>, DwarfRegAlias<B23>;
342 def S24 : AArch64Reg<24, "s24", [H24]>, DwarfRegAlias<B24>;
343 def S25 : AArch64Reg<25, "s25", [H25]>, DwarfRegAlias<B25>;
344 def S26 : AArch64Reg<26, "s26", [H26]>, DwarfRegAlias<B26>;
345 def S27 : AArch64Reg<27, "s27", [H27]>, DwarfRegAlias<B27>;
346 def S28 : AArch64Reg<28, "s28", [H28]>, DwarfRegAlias<B28>;
347 def S29 : AArch64Reg<29, "s29", [H29]>, DwarfRegAlias<B29>;
348 def S30 : AArch64Reg<30, "s30", [H30]>, DwarfRegAlias<B30>;
349 def S31 : AArch64Reg<31, "s31", [H31]>, DwarfRegAlias<B31>;
352 let SubRegIndices = [ssub], RegAltNameIndices = [vreg, vlist1] in {
353 def D0 : AArch64Reg<0, "d0", [S0], ["v0", ""]>, DwarfRegAlias<B0>;
354 def D1 : AArch64Reg<1, "d1", [S1], ["v1", ""]>, DwarfRegAlias<B1>;
355 def D2 : AArch64Reg<2, "d2", [S2], ["v2", ""]>, DwarfRegAlias<B2>;
356 def D3 : AArch64Reg<3, "d3", [S3], ["v3", ""]>, DwarfRegAlias<B3>;
357 def D4 : AArch64Reg<4, "d4", [S4], ["v4", ""]>, DwarfRegAlias<B4>;
358 def D5 : AArch64Reg<5, "d5", [S5], ["v5", ""]>, DwarfRegAlias<B5>;
359 def D6 : AArch64Reg<6, "d6", [S6], ["v6", ""]>, DwarfRegAlias<B6>;
360 def D7 : AArch64Reg<7, "d7", [S7], ["v7", ""]>, DwarfRegAlias<B7>;
361 def D8 : AArch64Reg<8, "d8", [S8], ["v8", ""]>, DwarfRegAlias<B8>;
362 def D9 : AArch64Reg<9, "d9", [S9], ["v9", ""]>, DwarfRegAlias<B9>;
363 def D10 : AArch64Reg<10, "d10", [S10], ["v10", ""]>, DwarfRegAlias<B10>;
364 def D11 : AArch64Reg<11, "d11", [S11], ["v11", ""]>, DwarfRegAlias<B11>;
365 def D12 : AArch64Reg<12, "d12", [S12], ["v12", ""]>, DwarfRegAlias<B12>;
366 def D13 : AArch64Reg<13, "d13", [S13], ["v13", ""]>, DwarfRegAlias<B13>;
367 def D14 : AArch64Reg<14, "d14", [S14], ["v14", ""]>, DwarfRegAlias<B14>;
368 def D15 : AArch64Reg<15, "d15", [S15], ["v15", ""]>, DwarfRegAlias<B15>;
369 def D16 : AArch64Reg<16, "d16", [S16], ["v16", ""]>, DwarfRegAlias<B16>;
370 def D17 : AArch64Reg<17, "d17", [S17], ["v17", ""]>, DwarfRegAlias<B17>;
371 def D18 : AArch64Reg<18, "d18", [S18], ["v18", ""]>, DwarfRegAlias<B18>;
372 def D19 : AArch64Reg<19, "d19", [S19], ["v19", ""]>, DwarfRegAlias<B19>;
373 def D20 : AArch64Reg<20, "d20", [S20], ["v20", ""]>, DwarfRegAlias<B20>;
374 def D21 : AArch64Reg<21, "d21", [S21], ["v21", ""]>, DwarfRegAlias<B21>;
375 def D22 : AArch64Reg<22, "d22", [S22], ["v22", ""]>, DwarfRegAlias<B22>;
376 def D23 : AArch64Reg<23, "d23", [S23], ["v23", ""]>, DwarfRegAlias<B23>;
377 def D24 : AArch64Reg<24, "d24", [S24], ["v24", ""]>, DwarfRegAlias<B24>;
378 def D25 : AArch64Reg<25, "d25", [S25], ["v25", ""]>, DwarfRegAlias<B25>;
379 def D26 : AArch64Reg<26, "d26", [S26], ["v26", ""]>, DwarfRegAlias<B26>;
380 def D27 : AArch64Reg<27, "d27", [S27], ["v27", ""]>, DwarfRegAlias<B27>;
381 def D28 : AArch64Reg<28, "d28", [S28], ["v28", ""]>, DwarfRegAlias<B28>;
382 def D29 : AArch64Reg<29, "d29", [S29], ["v29", ""]>, DwarfRegAlias<B29>;
383 def D30 : AArch64Reg<30, "d30", [S30], ["v30", ""]>, DwarfRegAlias<B30>;
384 def D31 : AArch64Reg<31, "d31", [S31], ["v31", ""]>, DwarfRegAlias<B31>;
387 let SubRegIndices = [dsub], RegAltNameIndices = [vreg, vlist1] in {
388 def Q0 : AArch64Reg<0, "q0", [D0], ["v0", ""]>, DwarfRegAlias<B0>;
389 def Q1 : AArch64Reg<1, "q1", [D1], ["v1", ""]>, DwarfRegAlias<B1>;
390 def Q2 : AArch64Reg<2, "q2", [D2], ["v2", ""]>, DwarfRegAlias<B2>;
391 def Q3 : AArch64Reg<3, "q3", [D3], ["v3", ""]>, DwarfRegAlias<B3>;
392 def Q4 : AArch64Reg<4, "q4", [D4], ["v4", ""]>, DwarfRegAlias<B4>;
393 def Q5 : AArch64Reg<5, "q5", [D5], ["v5", ""]>, DwarfRegAlias<B5>;
394 def Q6 : AArch64Reg<6, "q6", [D6], ["v6", ""]>, DwarfRegAlias<B6>;
395 def Q7 : AArch64Reg<7, "q7", [D7], ["v7", ""]>, DwarfRegAlias<B7>;
396 def Q8 : AArch64Reg<8, "q8", [D8], ["v8", ""]>, DwarfRegAlias<B8>;
397 def Q9 : AArch64Reg<9, "q9", [D9], ["v9", ""]>, DwarfRegAlias<B9>;
398 def Q10 : AArch64Reg<10, "q10", [D10], ["v10", ""]>, DwarfRegAlias<B10>;
399 def Q11 : AArch64Reg<11, "q11", [D11], ["v11", ""]>, DwarfRegAlias<B11>;
400 def Q12 : AArch64Reg<12, "q12", [D12], ["v12", ""]>, DwarfRegAlias<B12>;
401 def Q13 : AArch64Reg<13, "q13", [D13], ["v13", ""]>, DwarfRegAlias<B13>;
402 def Q14 : AArch64Reg<14, "q14", [D14], ["v14", ""]>, DwarfRegAlias<B14>;
403 def Q15 : AArch64Reg<15, "q15", [D15], ["v15", ""]>, DwarfRegAlias<B15>;
404 def Q16 : AArch64Reg<16, "q16", [D16], ["v16", ""]>, DwarfRegAlias<B16>;
405 def Q17 : AArch64Reg<17, "q17", [D17], ["v17", ""]>, DwarfRegAlias<B17>;
406 def Q18 : AArch64Reg<18, "q18", [D18], ["v18", ""]>, DwarfRegAlias<B18>;
407 def Q19 : AArch64Reg<19, "q19", [D19], ["v19", ""]>, DwarfRegAlias<B19>;
408 def Q20 : AArch64Reg<20, "q20", [D20], ["v20", ""]>, DwarfRegAlias<B20>;
409 def Q21 : AArch64Reg<21, "q21", [D21], ["v21", ""]>, DwarfRegAlias<B21>;
410 def Q22 : AArch64Reg<22, "q22", [D22], ["v22", ""]>, DwarfRegAlias<B22>;
411 def Q23 : AArch64Reg<23, "q23", [D23], ["v23", ""]>, DwarfRegAlias<B23>;
412 def Q24 : AArch64Reg<24, "q24", [D24], ["v24", ""]>, DwarfRegAlias<B24>;
413 def Q25 : AArch64Reg<25, "q25", [D25], ["v25", ""]>, DwarfRegAlias<B25>;
414 def Q26 : AArch64Reg<26, "q26", [D26], ["v26", ""]>, DwarfRegAlias<B26>;
415 def Q27 : AArch64Reg<27, "q27", [D27], ["v27", ""]>, DwarfRegAlias<B27>;
416 def Q28 : AArch64Reg<28, "q28", [D28], ["v28", ""]>, DwarfRegAlias<B28>;
417 def Q29 : AArch64Reg<29, "q29", [D29], ["v29", ""]>, DwarfRegAlias<B29>;
418 def Q30 : AArch64Reg<30, "q30", [D30], ["v30", ""]>, DwarfRegAlias<B30>;
419 def Q31 : AArch64Reg<31, "q31", [D31], ["v31", ""]>, DwarfRegAlias<B31>;
422 def FPR8 : RegisterClass<"AArch64", [untyped], 8, (sequence "B%u", 0, 31)> {
425 def FPR16 : RegisterClass<"AArch64", [f16], 16, (sequence "H%u", 0, 31)> {
428 def FPR32 : RegisterClass<"AArch64", [f32, i32], 32,(sequence "S%u", 0, 31)>;
429 def FPR64 : RegisterClass<"AArch64", [f64, i64, v2f32, v1f64, v8i8, v4i16, v2i32,
431 64, (sequence "D%u", 0, 31)>;
432 // We don't (yet) have an f128 legal type, so don't use that here. We
433 // normalize 128-bit vectors to v2f64 for arg passing and such, so use
435 def FPR128 : RegisterClass<"AArch64",
436 [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64, f128,
438 128, (sequence "Q%u", 0, 31)>;
440 // The lower 16 vector registers. Some instructions can only take registers
442 def FPR128_lo : RegisterClass<"AArch64",
443 [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64, v8f16],
444 128, (trunc FPR128, 16)>;
446 // Pairs, triples, and quads of 64-bit vector registers.
447 def DSeqPairs : RegisterTuples<[dsub0, dsub1], [(rotl FPR64, 0), (rotl FPR64, 1)]>;
448 def DSeqTriples : RegisterTuples<[dsub0, dsub1, dsub2],
449 [(rotl FPR64, 0), (rotl FPR64, 1),
451 def DSeqQuads : RegisterTuples<[dsub0, dsub1, dsub2, dsub3],
452 [(rotl FPR64, 0), (rotl FPR64, 1),
453 (rotl FPR64, 2), (rotl FPR64, 3)]>;
454 def DD : RegisterClass<"AArch64", [untyped], 64, (add DSeqPairs)> {
457 def DDD : RegisterClass<"AArch64", [untyped], 64, (add DSeqTriples)> {
460 def DDDD : RegisterClass<"AArch64", [untyped], 64, (add DSeqQuads)> {
464 // Pairs, triples, and quads of 128-bit vector registers.
465 def QSeqPairs : RegisterTuples<[qsub0, qsub1], [(rotl FPR128, 0), (rotl FPR128, 1)]>;
466 def QSeqTriples : RegisterTuples<[qsub0, qsub1, qsub2],
467 [(rotl FPR128, 0), (rotl FPR128, 1),
469 def QSeqQuads : RegisterTuples<[qsub0, qsub1, qsub2, qsub3],
470 [(rotl FPR128, 0), (rotl FPR128, 1),
471 (rotl FPR128, 2), (rotl FPR128, 3)]>;
472 def QQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqPairs)> {
475 def QQQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqTriples)> {
478 def QQQQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqQuads)> {
483 // Vector operand versions of the FP registers. Alternate name printing and
484 // assmebler matching.
485 def VectorReg64AsmOperand : AsmOperandClass {
486 let Name = "VectorReg64";
487 let PredicateMethod = "isNeonVectorReg";
489 def VectorReg128AsmOperand : AsmOperandClass {
490 let Name = "VectorReg128";
491 let PredicateMethod = "isNeonVectorReg";
494 def V64 : RegisterOperand<FPR64, "printVRegOperand"> {
495 let ParserMatchClass = VectorReg64AsmOperand;
498 def V128 : RegisterOperand<FPR128, "printVRegOperand"> {
499 let ParserMatchClass = VectorReg128AsmOperand;
502 def VectorRegLoAsmOperand : AsmOperandClass {
503 let Name = "VectorRegLo";
504 let PredicateMethod = "isNeonVectorRegLo";
506 def V128_lo : RegisterOperand<FPR128_lo, "printVRegOperand"> {
507 let ParserMatchClass = VectorRegLoAsmOperand;
510 class TypedVecListAsmOperand<int count, string vecty, int lanes, int eltsize>
512 let Name = "TypedVectorList" # count # "_" # lanes # eltsize;
515 = "isTypedVectorList<RegKind::NeonVector, " # count # ", " # lanes # ", " # eltsize # ">";
516 let RenderMethod = "addVectorListOperands<" # vecty # ", " # count # ">";
519 class TypedVecListRegOperand<RegisterClass Reg, int lanes, string eltsize>
520 : RegisterOperand<Reg, "printTypedVectorList<" # lanes # ", '"
523 multiclass VectorList<int count, RegisterClass Reg64, RegisterClass Reg128> {
524 // With implicit types (probably on instruction instead). E.g. { v0, v1 }
525 def _64AsmOperand : AsmOperandClass {
526 let Name = NAME # "64";
527 let PredicateMethod = "isImplicitlyTypedVectorList<RegKind::NeonVector, " # count # ">";
528 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_DReg, " # count # ">";
531 def "64" : RegisterOperand<Reg64, "printImplicitlyTypedVectorList"> {
532 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_64AsmOperand");
535 def _128AsmOperand : AsmOperandClass {
536 let Name = NAME # "128";
537 let PredicateMethod = "isImplicitlyTypedVectorList<RegKind::NeonVector, " # count # ">";
538 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_QReg, " # count # ">";
541 def "128" : RegisterOperand<Reg128, "printImplicitlyTypedVectorList"> {
542 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_128AsmOperand");
545 // 64-bit register lists with explicit type.
548 def _8bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 8, 8>;
549 def "8b" : TypedVecListRegOperand<Reg64, 8, "b"> {
550 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_8bAsmOperand");
554 def _4hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 4, 16>;
555 def "4h" : TypedVecListRegOperand<Reg64, 4, "h"> {
556 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_4hAsmOperand");
560 def _2sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 2, 32>;
561 def "2s" : TypedVecListRegOperand<Reg64, 2, "s"> {
562 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_2sAsmOperand");
566 def _1dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 1, 64>;
567 def "1d" : TypedVecListRegOperand<Reg64, 1, "d"> {
568 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_1dAsmOperand");
571 // 128-bit register lists with explicit type
573 // { v0.16b, v1.16b }
574 def _16bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 16, 8>;
575 def "16b" : TypedVecListRegOperand<Reg128, 16, "b"> {
576 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_16bAsmOperand");
580 def _8hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 8, 16>;
581 def "8h" : TypedVecListRegOperand<Reg128, 8, "h"> {
582 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_8hAsmOperand");
586 def _4sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 4, 32>;
587 def "4s" : TypedVecListRegOperand<Reg128, 4, "s"> {
588 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_4sAsmOperand");
592 def _2dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 2, 64>;
593 def "2d" : TypedVecListRegOperand<Reg128, 2, "d"> {
594 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_2dAsmOperand");
598 def _bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 8>;
599 def "b" : TypedVecListRegOperand<Reg128, 0, "b"> {
600 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_bAsmOperand");
604 def _hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 16>;
605 def "h" : TypedVecListRegOperand<Reg128, 0, "h"> {
606 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_hAsmOperand");
610 def _sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 32>;
611 def "s" : TypedVecListRegOperand<Reg128, 0, "s"> {
612 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_sAsmOperand");
616 def _dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 64>;
617 def "d" : TypedVecListRegOperand<Reg128, 0, "d"> {
618 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_dAsmOperand");
624 defm VecListOne : VectorList<1, FPR64, FPR128>;
625 defm VecListTwo : VectorList<2, DD, QQ>;
626 defm VecListThree : VectorList<3, DDD, QQQ>;
627 defm VecListFour : VectorList<4, DDDD, QQQQ>;
629 class FPRAsmOperand<string RC> : AsmOperandClass {
630 let Name = "FPRAsmOperand" # RC;
631 let PredicateMethod = "isGPR64<AArch64::" # RC # "RegClassID>";
632 let RenderMethod = "addRegOperands";
635 // Register operand versions of the scalar FP registers.
636 def FPR8Op : RegisterOperand<FPR8, "printOperand"> {
637 let ParserMatchClass = FPRAsmOperand<"FPR8">;
640 def FPR16Op : RegisterOperand<FPR16, "printOperand"> {
641 let ParserMatchClass = FPRAsmOperand<"FPR16">;
644 def FPR32Op : RegisterOperand<FPR32, "printOperand"> {
645 let ParserMatchClass = FPRAsmOperand<"FPR32">;
648 def FPR64Op : RegisterOperand<FPR64, "printOperand"> {
649 let ParserMatchClass = FPRAsmOperand<"FPR64">;
652 def FPR128Op : RegisterOperand<FPR128, "printOperand"> {
653 let ParserMatchClass = FPRAsmOperand<"FPR128">;
656 //===----------------------------------------------------------------------===//
657 // ARMv8.1a atomic CASP register operands
660 def WSeqPairs : RegisterTuples<[sube32, subo32],
661 [(decimate (rotl GPR32, 0), 2),
662 (decimate (rotl GPR32, 1), 2)]>;
663 def XSeqPairs : RegisterTuples<[sube64, subo64],
664 [(decimate (rotl GPR64, 0), 2),
665 (decimate (rotl GPR64, 1), 2)]>;
667 def WSeqPairsClass : RegisterClass<"AArch64", [untyped], 32,
671 def XSeqPairsClass : RegisterClass<"AArch64", [untyped], 64,
677 let RenderMethod = "addRegOperands", ParserMethod="tryParseGPRSeqPair" in {
678 def WSeqPairsAsmOperandClass : AsmOperandClass { let Name = "WSeqPair"; }
679 def XSeqPairsAsmOperandClass : AsmOperandClass { let Name = "XSeqPair"; }
682 def WSeqPairClassOperand :
683 RegisterOperand<WSeqPairsClass, "printGPRSeqPairsClassOperand<32>"> {
684 let ParserMatchClass = WSeqPairsAsmOperandClass;
686 def XSeqPairClassOperand :
687 RegisterOperand<XSeqPairsClass, "printGPRSeqPairsClassOperand<64>"> {
688 let ParserMatchClass = XSeqPairsAsmOperandClass;
692 //===----- END: v8.1a atomic CASP register operands -----------------------===//
694 // SVE predicate registers
695 def P0 : AArch64Reg<0, "p0">, DwarfRegNum<[48]>;
696 def P1 : AArch64Reg<1, "p1">, DwarfRegNum<[49]>;
697 def P2 : AArch64Reg<2, "p2">, DwarfRegNum<[50]>;
698 def P3 : AArch64Reg<3, "p3">, DwarfRegNum<[51]>;
699 def P4 : AArch64Reg<4, "p4">, DwarfRegNum<[52]>;
700 def P5 : AArch64Reg<5, "p5">, DwarfRegNum<[53]>;
701 def P6 : AArch64Reg<6, "p6">, DwarfRegNum<[54]>;
702 def P7 : AArch64Reg<7, "p7">, DwarfRegNum<[55]>;
703 def P8 : AArch64Reg<8, "p8">, DwarfRegNum<[56]>;
704 def P9 : AArch64Reg<9, "p9">, DwarfRegNum<[57]>;
705 def P10 : AArch64Reg<10, "p10">, DwarfRegNum<[58]>;
706 def P11 : AArch64Reg<11, "p11">, DwarfRegNum<[59]>;
707 def P12 : AArch64Reg<12, "p12">, DwarfRegNum<[60]>;
708 def P13 : AArch64Reg<13, "p13">, DwarfRegNum<[61]>;
709 def P14 : AArch64Reg<14, "p14">, DwarfRegNum<[62]>;
710 def P15 : AArch64Reg<15, "p15">, DwarfRegNum<[63]>;
712 // The part of SVE registers that don't overlap Neon registers.
713 // These are only used as part of clobber lists.
714 def Z0_HI : AArch64Reg<0, "z0_hi">;
715 def Z1_HI : AArch64Reg<1, "z1_hi">;
716 def Z2_HI : AArch64Reg<2, "z2_hi">;
717 def Z3_HI : AArch64Reg<3, "z3_hi">;
718 def Z4_HI : AArch64Reg<4, "z4_hi">;
719 def Z5_HI : AArch64Reg<5, "z5_hi">;
720 def Z6_HI : AArch64Reg<6, "z6_hi">;
721 def Z7_HI : AArch64Reg<7, "z7_hi">;
722 def Z8_HI : AArch64Reg<8, "z8_hi">;
723 def Z9_HI : AArch64Reg<9, "z9_hi">;
724 def Z10_HI : AArch64Reg<10, "z10_hi">;
725 def Z11_HI : AArch64Reg<11, "z11_hi">;
726 def Z12_HI : AArch64Reg<12, "z12_hi">;
727 def Z13_HI : AArch64Reg<13, "z13_hi">;
728 def Z14_HI : AArch64Reg<14, "z14_hi">;
729 def Z15_HI : AArch64Reg<15, "z15_hi">;
730 def Z16_HI : AArch64Reg<16, "z16_hi">;
731 def Z17_HI : AArch64Reg<17, "z17_hi">;
732 def Z18_HI : AArch64Reg<18, "z18_hi">;
733 def Z19_HI : AArch64Reg<19, "z19_hi">;
734 def Z20_HI : AArch64Reg<20, "z20_hi">;
735 def Z21_HI : AArch64Reg<21, "z21_hi">;
736 def Z22_HI : AArch64Reg<22, "z22_hi">;
737 def Z23_HI : AArch64Reg<23, "z23_hi">;
738 def Z24_HI : AArch64Reg<24, "z24_hi">;
739 def Z25_HI : AArch64Reg<25, "z25_hi">;
740 def Z26_HI : AArch64Reg<26, "z26_hi">;
741 def Z27_HI : AArch64Reg<27, "z27_hi">;
742 def Z28_HI : AArch64Reg<28, "z28_hi">;
743 def Z29_HI : AArch64Reg<29, "z29_hi">;
744 def Z30_HI : AArch64Reg<30, "z30_hi">;
745 def Z31_HI : AArch64Reg<31, "z31_hi">;
747 // SVE variable-size vector registers
748 let SubRegIndices = [zsub,zsub_hi] in {
749 def Z0 : AArch64Reg<0, "z0", [Q0, Z0_HI]>, DwarfRegNum<[96]>;
750 def Z1 : AArch64Reg<1, "z1", [Q1, Z1_HI]>, DwarfRegNum<[97]>;
751 def Z2 : AArch64Reg<2, "z2", [Q2, Z2_HI]>, DwarfRegNum<[98]>;
752 def Z3 : AArch64Reg<3, "z3", [Q3, Z3_HI]>, DwarfRegNum<[99]>;
753 def Z4 : AArch64Reg<4, "z4", [Q4, Z4_HI]>, DwarfRegNum<[100]>;
754 def Z5 : AArch64Reg<5, "z5", [Q5, Z5_HI]>, DwarfRegNum<[101]>;
755 def Z6 : AArch64Reg<6, "z6", [Q6, Z6_HI]>, DwarfRegNum<[102]>;
756 def Z7 : AArch64Reg<7, "z7", [Q7, Z7_HI]>, DwarfRegNum<[103]>;
757 def Z8 : AArch64Reg<8, "z8", [Q8, Z8_HI]>, DwarfRegNum<[104]>;
758 def Z9 : AArch64Reg<9, "z9", [Q9, Z9_HI]>, DwarfRegNum<[105]>;
759 def Z10 : AArch64Reg<10, "z10", [Q10, Z10_HI]>, DwarfRegNum<[106]>;
760 def Z11 : AArch64Reg<11, "z11", [Q11, Z11_HI]>, DwarfRegNum<[107]>;
761 def Z12 : AArch64Reg<12, "z12", [Q12, Z12_HI]>, DwarfRegNum<[108]>;
762 def Z13 : AArch64Reg<13, "z13", [Q13, Z13_HI]>, DwarfRegNum<[109]>;
763 def Z14 : AArch64Reg<14, "z14", [Q14, Z14_HI]>, DwarfRegNum<[110]>;
764 def Z15 : AArch64Reg<15, "z15", [Q15, Z15_HI]>, DwarfRegNum<[111]>;
765 def Z16 : AArch64Reg<16, "z16", [Q16, Z16_HI]>, DwarfRegNum<[112]>;
766 def Z17 : AArch64Reg<17, "z17", [Q17, Z17_HI]>, DwarfRegNum<[113]>;
767 def Z18 : AArch64Reg<18, "z18", [Q18, Z18_HI]>, DwarfRegNum<[114]>;
768 def Z19 : AArch64Reg<19, "z19", [Q19, Z19_HI]>, DwarfRegNum<[115]>;
769 def Z20 : AArch64Reg<20, "z20", [Q20, Z20_HI]>, DwarfRegNum<[116]>;
770 def Z21 : AArch64Reg<21, "z21", [Q21, Z21_HI]>, DwarfRegNum<[117]>;
771 def Z22 : AArch64Reg<22, "z22", [Q22, Z22_HI]>, DwarfRegNum<[118]>;
772 def Z23 : AArch64Reg<23, "z23", [Q23, Z23_HI]>, DwarfRegNum<[119]>;
773 def Z24 : AArch64Reg<24, "z24", [Q24, Z24_HI]>, DwarfRegNum<[120]>;
774 def Z25 : AArch64Reg<25, "z25", [Q25, Z25_HI]>, DwarfRegNum<[121]>;
775 def Z26 : AArch64Reg<26, "z26", [Q26, Z26_HI]>, DwarfRegNum<[122]>;
776 def Z27 : AArch64Reg<27, "z27", [Q27, Z27_HI]>, DwarfRegNum<[123]>;
777 def Z28 : AArch64Reg<28, "z28", [Q28, Z28_HI]>, DwarfRegNum<[124]>;
778 def Z29 : AArch64Reg<29, "z29", [Q29, Z29_HI]>, DwarfRegNum<[125]>;
779 def Z30 : AArch64Reg<30, "z30", [Q30, Z30_HI]>, DwarfRegNum<[126]>;
780 def Z31 : AArch64Reg<31, "z31", [Q31, Z31_HI]>, DwarfRegNum<[127]>;
783 // Enum descibing the element size for destructive
785 class ElementSizeEnum<bits<3> val> {
789 def ElementSizeNone : ElementSizeEnum<0>;
790 def ElementSizeB : ElementSizeEnum<1>;
791 def ElementSizeH : ElementSizeEnum<2>;
792 def ElementSizeS : ElementSizeEnum<3>;
793 def ElementSizeD : ElementSizeEnum<4>;
794 def ElementSizeQ : ElementSizeEnum<5>; // Unused
796 class SVERegOp <string Suffix, AsmOperandClass C,
797 ElementSizeEnum Size,
798 RegisterClass RC> : RegisterOperand<RC> {
799 ElementSizeEnum ElementSize;
801 let ElementSize = Size;
802 let PrintMethod = !if(!eq(Suffix, ""),
804 "printSVERegOp<'" # Suffix # "'>");
805 let ParserMatchClass = C;
808 class PPRRegOp <string Suffix, AsmOperandClass C, ElementSizeEnum Size,
809 RegisterClass RC> : SVERegOp<Suffix, C, Size, RC> {}
810 class ZPRRegOp <string Suffix, AsmOperandClass C, ElementSizeEnum Size,
811 RegisterClass RC> : SVERegOp<Suffix, C, Size, RC> {}
813 //******************************************************************************
815 // SVE predicate register classes.
816 class PPRClass<int lastreg> : RegisterClass<
818 [ nxv16i1, nxv8i1, nxv4i1, nxv2i1 ], 16,
819 (sequence "P%u", 0, lastreg)> {
823 def PPR : PPRClass<15>;
824 def PPR_3b : PPRClass<7>; // Restricted 3 bit SVE predicate register class.
826 class PPRAsmOperand <string name, string RegClass, int Width>: AsmOperandClass {
827 let Name = "SVE" # name # "Reg";
828 let PredicateMethod = "isSVEPredicateVectorRegOfWidth<"
829 # Width # ", " # "AArch64::" # RegClass # "RegClassID>";
830 let DiagnosticType = "InvalidSVE" # name # "Reg";
831 let RenderMethod = "addRegOperands";
832 let ParserMethod = "tryParseSVEPredicateVector";
835 def PPRAsmOpAny : PPRAsmOperand<"PredicateAny", "PPR", 0>;
836 def PPRAsmOp8 : PPRAsmOperand<"PredicateB", "PPR", 8>;
837 def PPRAsmOp16 : PPRAsmOperand<"PredicateH", "PPR", 16>;
838 def PPRAsmOp32 : PPRAsmOperand<"PredicateS", "PPR", 32>;
839 def PPRAsmOp64 : PPRAsmOperand<"PredicateD", "PPR", 64>;
841 def PPRAny : PPRRegOp<"", PPRAsmOpAny, ElementSizeNone, PPR>;
842 def PPR8 : PPRRegOp<"b", PPRAsmOp8, ElementSizeB, PPR>;
843 def PPR16 : PPRRegOp<"h", PPRAsmOp16, ElementSizeH, PPR>;
844 def PPR32 : PPRRegOp<"s", PPRAsmOp32, ElementSizeS, PPR>;
845 def PPR64 : PPRRegOp<"d", PPRAsmOp64, ElementSizeD, PPR>;
847 def PPRAsmOp3bAny : PPRAsmOperand<"Predicate3bAny", "PPR_3b", 0>;
848 def PPRAsmOp3b8 : PPRAsmOperand<"Predicate3bB", "PPR_3b", 8>;
849 def PPRAsmOp3b16 : PPRAsmOperand<"Predicate3bH", "PPR_3b", 16>;
850 def PPRAsmOp3b32 : PPRAsmOperand<"Predicate3bS", "PPR_3b", 32>;
851 def PPRAsmOp3b64 : PPRAsmOperand<"Predicate3bD", "PPR_3b", 64>;
853 def PPR3bAny : PPRRegOp<"", PPRAsmOp3bAny, ElementSizeNone, PPR_3b>;
854 def PPR3b8 : PPRRegOp<"b", PPRAsmOp3b8, ElementSizeB, PPR_3b>;
855 def PPR3b16 : PPRRegOp<"h", PPRAsmOp3b16, ElementSizeH, PPR_3b>;
856 def PPR3b32 : PPRRegOp<"s", PPRAsmOp3b32, ElementSizeS, PPR_3b>;
857 def PPR3b64 : PPRRegOp<"d", PPRAsmOp3b64, ElementSizeD, PPR_3b>;
859 //******************************************************************************
861 // SVE vector register class
862 def ZPR : RegisterClass<"AArch64",
863 [nxv16i8, nxv8i16, nxv4i32, nxv2i64,
864 nxv2f16, nxv4f16, nxv8f16,
865 nxv1f32, nxv2f32, nxv4f32,
867 128, (sequence "Z%u", 0, 31)> {
871 // SVE restricted 4 bit scalable vector register class
872 def ZPR_4b : RegisterClass<"AArch64",
873 [nxv16i8, nxv8i16, nxv4i32, nxv2i64,
874 nxv2f16, nxv4f16, nxv8f16,
875 nxv1f32, nxv2f32, nxv4f32,
877 128, (sequence "Z%u", 0, 15)> {
881 // SVE restricted 3 bit scalable vector register class
882 def ZPR_3b : RegisterClass<"AArch64",
883 [nxv16i8, nxv8i16, nxv4i32, nxv2i64,
884 nxv2f16, nxv4f16, nxv8f16,
885 nxv1f32, nxv2f32, nxv4f32,
887 128, (sequence "Z%u", 0, 7)> {
891 class ZPRAsmOperand<string name, int Width, string RegClassSuffix = "">
893 let Name = "SVE" # name # "Reg";
894 let PredicateMethod = "isSVEDataVectorRegOfWidth<"
895 # Width # ", AArch64::ZPR"
896 # RegClassSuffix # "RegClassID>";
897 let RenderMethod = "addRegOperands";
898 let DiagnosticType = "InvalidZPR" # RegClassSuffix # Width;
899 let ParserMethod = "tryParseSVEDataVector<false, "
900 # !if(!eq(Width, 0), "false", "true") # ">";
903 def ZPRAsmOpAny : ZPRAsmOperand<"VectorAny", 0>;
904 def ZPRAsmOp8 : ZPRAsmOperand<"VectorB", 8>;
905 def ZPRAsmOp16 : ZPRAsmOperand<"VectorH", 16>;
906 def ZPRAsmOp32 : ZPRAsmOperand<"VectorS", 32>;
907 def ZPRAsmOp64 : ZPRAsmOperand<"VectorD", 64>;
908 def ZPRAsmOp128 : ZPRAsmOperand<"VectorQ", 128>;
910 def ZPRAny : ZPRRegOp<"", ZPRAsmOpAny, ElementSizeNone, ZPR>;
911 def ZPR8 : ZPRRegOp<"b", ZPRAsmOp8, ElementSizeB, ZPR>;
912 def ZPR16 : ZPRRegOp<"h", ZPRAsmOp16, ElementSizeH, ZPR>;
913 def ZPR32 : ZPRRegOp<"s", ZPRAsmOp32, ElementSizeS, ZPR>;
914 def ZPR64 : ZPRRegOp<"d", ZPRAsmOp64, ElementSizeD, ZPR>;
915 def ZPR128 : ZPRRegOp<"q", ZPRAsmOp128, ElementSizeQ, ZPR>;
917 def ZPRAsmOp3b8 : ZPRAsmOperand<"Vector3bB", 8, "_3b">;
918 def ZPRAsmOp3b16 : ZPRAsmOperand<"Vector3bH", 16, "_3b">;
919 def ZPRAsmOp3b32 : ZPRAsmOperand<"Vector3bS", 32, "_3b">;
921 def ZPR3b8 : ZPRRegOp<"b", ZPRAsmOp3b8, ElementSizeB, ZPR_3b>;
922 def ZPR3b16 : ZPRRegOp<"h", ZPRAsmOp3b16, ElementSizeH, ZPR_3b>;
923 def ZPR3b32 : ZPRRegOp<"s", ZPRAsmOp3b32, ElementSizeS, ZPR_3b>;
925 def ZPRAsmOp4b16 : ZPRAsmOperand<"Vector4bH", 16, "_4b">;
926 def ZPRAsmOp4b32 : ZPRAsmOperand<"Vector4bS", 32, "_4b">;
927 def ZPRAsmOp4b64 : ZPRAsmOperand<"Vector4bD", 64, "_4b">;
929 def ZPR4b16 : ZPRRegOp<"h", ZPRAsmOp4b16, ElementSizeH, ZPR_4b>;
930 def ZPR4b32 : ZPRRegOp<"s", ZPRAsmOp4b32, ElementSizeS, ZPR_4b>;
931 def ZPR4b64 : ZPRRegOp<"d", ZPRAsmOp4b64, ElementSizeD, ZPR_4b>;
933 class FPRasZPR<int Width> : AsmOperandClass{
934 let Name = "FPR" # Width # "asZPR";
935 let PredicateMethod = "isFPRasZPR<AArch64::FPR" # Width # "RegClassID>";
936 let RenderMethod = "addFPRasZPRRegOperands<" # Width # ">";
939 class FPRasZPROperand<int Width> : RegisterOperand<ZPR> {
940 let ParserMatchClass = FPRasZPR<Width>;
941 let PrintMethod = "printZPRasFPR<" # Width # ">";
944 def FPR8asZPR : FPRasZPROperand<8>;
945 def FPR16asZPR : FPRasZPROperand<16>;
946 def FPR32asZPR : FPRasZPROperand<32>;
947 def FPR64asZPR : FPRasZPROperand<64>;
948 def FPR128asZPR : FPRasZPROperand<128>;
950 let Namespace = "AArch64" in {
951 def zsub0 : SubRegIndex<128, -1>;
952 def zsub1 : SubRegIndex<128, -1>;
953 def zsub2 : SubRegIndex<128, -1>;
954 def zsub3 : SubRegIndex<128, -1>;
957 // Pairs, triples, and quads of SVE vector registers.
958 def ZSeqPairs : RegisterTuples<[zsub0, zsub1], [(rotl ZPR, 0), (rotl ZPR, 1)]>;
959 def ZSeqTriples : RegisterTuples<[zsub0, zsub1, zsub2], [(rotl ZPR, 0), (rotl ZPR, 1), (rotl ZPR, 2)]>;
960 def ZSeqQuads : RegisterTuples<[zsub0, zsub1, zsub2, zsub3], [(rotl ZPR, 0), (rotl ZPR, 1), (rotl ZPR, 2), (rotl ZPR, 3)]>;
962 def ZPR2 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqPairs)> {
965 def ZPR3 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqTriples)> {
968 def ZPR4 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqQuads)> {
972 class ZPRVectorList<int ElementWidth, int NumRegs> : AsmOperandClass {
973 let Name = "SVEVectorList" # NumRegs # ElementWidth;
974 let ParserMethod = "tryParseVectorList<RegKind::SVEDataVector>";
975 let PredicateMethod =
976 "isTypedVectorList<RegKind::SVEDataVector, " #NumRegs #", 0, " #ElementWidth #">";
977 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_ZReg, " # NumRegs # ">";
980 def Z_b : RegisterOperand<ZPR, "printTypedVectorList<0,'b'>"> {
981 let ParserMatchClass = ZPRVectorList<8, 1>;
984 def Z_h : RegisterOperand<ZPR, "printTypedVectorList<0,'h'>"> {
985 let ParserMatchClass = ZPRVectorList<16, 1>;
988 def Z_s : RegisterOperand<ZPR, "printTypedVectorList<0,'s'>"> {
989 let ParserMatchClass = ZPRVectorList<32, 1>;
992 def Z_d : RegisterOperand<ZPR, "printTypedVectorList<0,'d'>"> {
993 let ParserMatchClass = ZPRVectorList<64, 1>;
996 def ZZ_b : RegisterOperand<ZPR2, "printTypedVectorList<0,'b'>"> {
997 let ParserMatchClass = ZPRVectorList<8, 2>;
1000 def ZZ_h : RegisterOperand<ZPR2, "printTypedVectorList<0,'h'>"> {
1001 let ParserMatchClass = ZPRVectorList<16, 2>;
1004 def ZZ_s : RegisterOperand<ZPR2, "printTypedVectorList<0,'s'>"> {
1005 let ParserMatchClass = ZPRVectorList<32, 2>;
1008 def ZZ_d : RegisterOperand<ZPR2, "printTypedVectorList<0,'d'>"> {
1009 let ParserMatchClass = ZPRVectorList<64, 2>;
1012 def ZZZ_b : RegisterOperand<ZPR3, "printTypedVectorList<0,'b'>"> {
1013 let ParserMatchClass = ZPRVectorList<8, 3>;
1016 def ZZZ_h : RegisterOperand<ZPR3, "printTypedVectorList<0,'h'>"> {
1017 let ParserMatchClass = ZPRVectorList<16, 3>;
1020 def ZZZ_s : RegisterOperand<ZPR3, "printTypedVectorList<0,'s'>"> {
1021 let ParserMatchClass = ZPRVectorList<32, 3>;
1024 def ZZZ_d : RegisterOperand<ZPR3, "printTypedVectorList<0,'d'>"> {
1025 let ParserMatchClass = ZPRVectorList<64, 3>;
1028 def ZZZZ_b : RegisterOperand<ZPR4, "printTypedVectorList<0,'b'>"> {
1029 let ParserMatchClass = ZPRVectorList<8, 4>;
1032 def ZZZZ_h : RegisterOperand<ZPR4, "printTypedVectorList<0,'h'>"> {
1033 let ParserMatchClass = ZPRVectorList<16, 4>;
1036 def ZZZZ_s : RegisterOperand<ZPR4, "printTypedVectorList<0,'s'>"> {
1037 let ParserMatchClass = ZPRVectorList<32, 4>;
1040 def ZZZZ_d : RegisterOperand<ZPR4, "printTypedVectorList<0,'d'>"> {
1041 let ParserMatchClass = ZPRVectorList<64, 4>;
1044 class ZPRExtendAsmOperand<string ShiftExtend, int RegWidth, int Scale,
1045 bit ScaleAlwaysSame = 0b0> : AsmOperandClass {
1046 let Name = "ZPRExtend" # ShiftExtend # RegWidth # Scale
1047 # !if(ScaleAlwaysSame, "Only", "");
1049 let PredicateMethod = "isSVEDataVectorRegWithShiftExtend<"
1050 # RegWidth # ", AArch64::ZPRRegClassID, "
1051 # "AArch64_AM::" # ShiftExtend # ", "
1053 # !if(ScaleAlwaysSame, "true", "false")
1055 let DiagnosticType = "InvalidZPR" # RegWidth # ShiftExtend # Scale;
1056 let RenderMethod = "addRegOperands";
1057 let ParserMethod = "tryParseSVEDataVector<true, true>";
1060 class ZPRExtendRegisterOperand<bit SignExtend, bit IsLSL, string Repr,
1061 int RegWidth, int Scale, string Suffix = "">
1062 : RegisterOperand<ZPR> {
1063 let ParserMatchClass =
1064 !cast<AsmOperandClass>("ZPR" # RegWidth # "AsmOpndExt" # Repr # Scale # Suffix);
1065 let PrintMethod = "printRegWithShiftExtend<"
1066 # !if(SignExtend, "true", "false") # ", "
1068 # !if(IsLSL, "'x'", "'w'") # ", "
1069 # !if(!eq(RegWidth, 32), "'s'", "'d'") # ">";
1072 foreach RegWidth = [32, 64] in {
1074 def ZPR#RegWidth#AsmOpndExtUXTW8Only : ZPRExtendAsmOperand<"UXTW", RegWidth, 8, 0b1>;
1075 def ZPR#RegWidth#AsmOpndExtUXTW8 : ZPRExtendAsmOperand<"UXTW", RegWidth, 8>;
1076 def ZPR#RegWidth#AsmOpndExtUXTW16 : ZPRExtendAsmOperand<"UXTW", RegWidth, 16>;
1077 def ZPR#RegWidth#AsmOpndExtUXTW32 : ZPRExtendAsmOperand<"UXTW", RegWidth, 32>;
1078 def ZPR#RegWidth#AsmOpndExtUXTW64 : ZPRExtendAsmOperand<"UXTW", RegWidth, 64>;
1080 def ZPR#RegWidth#ExtUXTW8Only : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 8, "Only">;
1081 def ZPR#RegWidth#ExtUXTW8 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 8>;
1082 def ZPR#RegWidth#ExtUXTW16 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 16>;
1083 def ZPR#RegWidth#ExtUXTW32 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 32>;
1084 def ZPR#RegWidth#ExtUXTW64 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 64>;
1087 def ZPR#RegWidth#AsmOpndExtSXTW8Only : ZPRExtendAsmOperand<"SXTW", RegWidth, 8, 0b1>;
1088 def ZPR#RegWidth#AsmOpndExtSXTW8 : ZPRExtendAsmOperand<"SXTW", RegWidth, 8>;
1089 def ZPR#RegWidth#AsmOpndExtSXTW16 : ZPRExtendAsmOperand<"SXTW", RegWidth, 16>;
1090 def ZPR#RegWidth#AsmOpndExtSXTW32 : ZPRExtendAsmOperand<"SXTW", RegWidth, 32>;
1091 def ZPR#RegWidth#AsmOpndExtSXTW64 : ZPRExtendAsmOperand<"SXTW", RegWidth, 64>;
1093 def ZPR#RegWidth#ExtSXTW8Only : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 8, "Only">;
1094 def ZPR#RegWidth#ExtSXTW8 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 8>;
1095 def ZPR#RegWidth#ExtSXTW16 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 16>;
1096 def ZPR#RegWidth#ExtSXTW32 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 32>;
1097 def ZPR#RegWidth#ExtSXTW64 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 64>;
1100 def ZPR#RegWidth#AsmOpndExtLSL8 : ZPRExtendAsmOperand<"LSL", RegWidth, 8>;
1101 def ZPR#RegWidth#AsmOpndExtLSL16 : ZPRExtendAsmOperand<"LSL", RegWidth, 16>;
1102 def ZPR#RegWidth#AsmOpndExtLSL32 : ZPRExtendAsmOperand<"LSL", RegWidth, 32>;
1103 def ZPR#RegWidth#AsmOpndExtLSL64 : ZPRExtendAsmOperand<"LSL", RegWidth, 64>;
1104 def ZPR#RegWidth#ExtLSL8 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 8>;
1105 def ZPR#RegWidth#ExtLSL16 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 16>;
1106 def ZPR#RegWidth#ExtLSL32 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 32>;
1107 def ZPR#RegWidth#ExtLSL64 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 64>;
1110 class GPR64ShiftExtendAsmOperand <string AsmOperandName, int Scale, string RegClass> : AsmOperandClass {
1111 let Name = AsmOperandName # Scale;
1112 let PredicateMethod = "isGPR64WithShiftExtend<AArch64::"#RegClass#"RegClassID, " # Scale # ">";
1113 let DiagnosticType = "Invalid" # AsmOperandName # Scale;
1114 let RenderMethod = "addRegOperands";
1115 let ParserMethod = "tryParseGPROperand<true>";
1118 class GPR64ExtendRegisterOperand<string Name, int Scale, RegisterClass RegClass> : RegisterOperand<RegClass>{
1119 let ParserMatchClass = !cast<AsmOperandClass>(Name);
1120 let PrintMethod = "printRegWithShiftExtend<false, " # Scale # ", 'x', 0>";
1123 foreach Scale = [8, 16, 32, 64] in {
1124 def GPR64shiftedAsmOpnd # Scale : GPR64ShiftExtendAsmOperand<"GPR64shifted", Scale, "GPR64">;
1125 def GPR64shifted # Scale : GPR64ExtendRegisterOperand<"GPR64shiftedAsmOpnd" # Scale, Scale, GPR64>;
1127 def GPR64NoXZRshiftedAsmOpnd # Scale : GPR64ShiftExtendAsmOperand<"GPR64NoXZRshifted", Scale, "GPR64common">;
1128 def GPR64NoXZRshifted # Scale : GPR64ExtendRegisterOperand<"GPR64NoXZRshiftedAsmOpnd" # Scale, Scale, GPR64common>;