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<64>;
28 def sube32 : SubRegIndex<32>;
29 def subo32 : SubRegIndex<32>;
30 def sube64 : SubRegIndex<64>;
31 def subo64 : SubRegIndex<64>;
33 def zsub : SubRegIndex<128>;
34 // Note: zsub_hi should never be used directly because it represents
35 // the scalable part of the SVE vector and cannot be manipulated as a
36 // subvector in the same way the lower 128bits can.
37 def zsub_hi : SubRegIndex<128>;
38 // Note: Code depends on these having consecutive numbers
39 def dsub0 : SubRegIndex<64>;
40 def dsub1 : SubRegIndex<64>;
41 def dsub2 : SubRegIndex<64>;
42 def dsub3 : SubRegIndex<64>;
43 // Note: Code depends on these having consecutive numbers
44 def qsub0 : SubRegIndex<128>;
45 def qsub1 : SubRegIndex<128>;
46 def qsub2 : SubRegIndex<128>;
47 def qsub3 : SubRegIndex<128>;
48 // Note: Code depends on these having consecutive numbers
49 def zasubb : SubRegIndex<2048>; // (16 x 16)/1 bytes = 2048 bits
50 def zasubh0 : SubRegIndex<1024>; // (16 x 16)/2 bytes = 1024 bits
51 def zasubh1 : SubRegIndex<1024>; // (16 x 16)/2 bytes = 1024 bits
52 def zasubs0 : SubRegIndex<512>; // (16 x 16)/4 bytes = 512 bits
53 def zasubs1 : SubRegIndex<512>; // (16 x 16)/4 bytes = 512 bits
54 def zasubd0 : SubRegIndex<256>; // (16 x 16)/8 bytes = 256 bits
55 def zasubd1 : SubRegIndex<256>; // (16 x 16)/8 bytes = 256 bits
56 def zasubq0 : SubRegIndex<128>; // (16 x 16)/16 bytes = 128 bits
57 def zasubq1 : SubRegIndex<128>; // (16 x 16)/16 bytes = 128 bits
60 let Namespace = "AArch64" in {
61 def vreg : RegAltNameIndex;
62 def vlist1 : RegAltNameIndex;
65 //===----------------------------------------------------------------------===//
67 //===----------------------------------------------------------------------===//
68 def W0 : AArch64Reg<0, "w0" >, DwarfRegNum<[0]>;
69 def W1 : AArch64Reg<1, "w1" >, DwarfRegNum<[1]>;
70 def W2 : AArch64Reg<2, "w2" >, DwarfRegNum<[2]>;
71 def W3 : AArch64Reg<3, "w3" >, DwarfRegNum<[3]>;
72 def W4 : AArch64Reg<4, "w4" >, DwarfRegNum<[4]>;
73 def W5 : AArch64Reg<5, "w5" >, DwarfRegNum<[5]>;
74 def W6 : AArch64Reg<6, "w6" >, DwarfRegNum<[6]>;
75 def W7 : AArch64Reg<7, "w7" >, DwarfRegNum<[7]>;
76 def W8 : AArch64Reg<8, "w8" >, DwarfRegNum<[8]>;
77 def W9 : AArch64Reg<9, "w9" >, DwarfRegNum<[9]>;
78 def W10 : AArch64Reg<10, "w10">, DwarfRegNum<[10]>;
79 def W11 : AArch64Reg<11, "w11">, DwarfRegNum<[11]>;
80 def W12 : AArch64Reg<12, "w12">, DwarfRegNum<[12]>;
81 def W13 : AArch64Reg<13, "w13">, DwarfRegNum<[13]>;
82 def W14 : AArch64Reg<14, "w14">, DwarfRegNum<[14]>;
83 def W15 : AArch64Reg<15, "w15">, DwarfRegNum<[15]>;
84 def W16 : AArch64Reg<16, "w16">, DwarfRegNum<[16]>;
85 def W17 : AArch64Reg<17, "w17">, DwarfRegNum<[17]>;
86 def W18 : AArch64Reg<18, "w18">, DwarfRegNum<[18]>;
87 def W19 : AArch64Reg<19, "w19">, DwarfRegNum<[19]>;
88 def W20 : AArch64Reg<20, "w20">, DwarfRegNum<[20]>;
89 def W21 : AArch64Reg<21, "w21">, DwarfRegNum<[21]>;
90 def W22 : AArch64Reg<22, "w22">, DwarfRegNum<[22]>;
91 def W23 : AArch64Reg<23, "w23">, DwarfRegNum<[23]>;
92 def W24 : AArch64Reg<24, "w24">, DwarfRegNum<[24]>;
93 def W25 : AArch64Reg<25, "w25">, DwarfRegNum<[25]>;
94 def W26 : AArch64Reg<26, "w26">, DwarfRegNum<[26]>;
95 def W27 : AArch64Reg<27, "w27">, DwarfRegNum<[27]>;
96 def W28 : AArch64Reg<28, "w28">, DwarfRegNum<[28]>;
97 def W29 : AArch64Reg<29, "w29">, DwarfRegNum<[29]>;
98 def W30 : AArch64Reg<30, "w30">, DwarfRegNum<[30]>;
99 def WSP : AArch64Reg<31, "wsp">, DwarfRegNum<[31]>;
100 def WZR : AArch64Reg<31, "wzr">, DwarfRegAlias<WSP>;
102 let SubRegIndices = [sub_32] in {
103 def X0 : AArch64Reg<0, "x0", [W0]>, DwarfRegAlias<W0>;
104 def X1 : AArch64Reg<1, "x1", [W1]>, DwarfRegAlias<W1>;
105 def X2 : AArch64Reg<2, "x2", [W2]>, DwarfRegAlias<W2>;
106 def X3 : AArch64Reg<3, "x3", [W3]>, DwarfRegAlias<W3>;
107 def X4 : AArch64Reg<4, "x4", [W4]>, DwarfRegAlias<W4>;
108 def X5 : AArch64Reg<5, "x5", [W5]>, DwarfRegAlias<W5>;
109 def X6 : AArch64Reg<6, "x6", [W6]>, DwarfRegAlias<W6>;
110 def X7 : AArch64Reg<7, "x7", [W7]>, DwarfRegAlias<W7>;
111 def X8 : AArch64Reg<8, "x8", [W8]>, DwarfRegAlias<W8>;
112 def X9 : AArch64Reg<9, "x9", [W9]>, DwarfRegAlias<W9>;
113 def X10 : AArch64Reg<10, "x10", [W10]>, DwarfRegAlias<W10>;
114 def X11 : AArch64Reg<11, "x11", [W11]>, DwarfRegAlias<W11>;
115 def X12 : AArch64Reg<12, "x12", [W12]>, DwarfRegAlias<W12>;
116 def X13 : AArch64Reg<13, "x13", [W13]>, DwarfRegAlias<W13>;
117 def X14 : AArch64Reg<14, "x14", [W14]>, DwarfRegAlias<W14>;
118 def X15 : AArch64Reg<15, "x15", [W15]>, DwarfRegAlias<W15>;
119 def X16 : AArch64Reg<16, "x16", [W16]>, DwarfRegAlias<W16>;
120 def X17 : AArch64Reg<17, "x17", [W17]>, DwarfRegAlias<W17>;
121 def X18 : AArch64Reg<18, "x18", [W18]>, DwarfRegAlias<W18>;
122 def X19 : AArch64Reg<19, "x19", [W19]>, DwarfRegAlias<W19>;
123 def X20 : AArch64Reg<20, "x20", [W20]>, DwarfRegAlias<W20>;
124 def X21 : AArch64Reg<21, "x21", [W21]>, DwarfRegAlias<W21>;
125 def X22 : AArch64Reg<22, "x22", [W22]>, DwarfRegAlias<W22>;
126 def X23 : AArch64Reg<23, "x23", [W23]>, DwarfRegAlias<W23>;
127 def X24 : AArch64Reg<24, "x24", [W24]>, DwarfRegAlias<W24>;
128 def X25 : AArch64Reg<25, "x25", [W25]>, DwarfRegAlias<W25>;
129 def X26 : AArch64Reg<26, "x26", [W26]>, DwarfRegAlias<W26>;
130 def X27 : AArch64Reg<27, "x27", [W27]>, DwarfRegAlias<W27>;
131 def X28 : AArch64Reg<28, "x28", [W28]>, DwarfRegAlias<W28>;
132 def FP : AArch64Reg<29, "x29", [W29]>, DwarfRegAlias<W29>;
133 def LR : AArch64Reg<30, "x30", [W30]>, DwarfRegAlias<W30>;
134 def SP : AArch64Reg<31, "sp", [WSP]>, DwarfRegAlias<WSP>;
135 def XZR : AArch64Reg<31, "xzr", [WZR]>, DwarfRegAlias<WSP>;
138 // Condition code register.
139 def NZCV : AArch64Reg<0, "nzcv">;
141 // First fault status register
142 def FFR : AArch64Reg<0, "ffr">, DwarfRegNum<[47]>;
144 // Purely virtual Vector Granule (VG) Dwarf register
145 def VG : AArch64Reg<0, "vg">, DwarfRegNum<[46]>;
147 // GPR register classes with the intersections of GPR32/GPR32sp and
148 // GPR64/GPR64sp for use by the coalescer.
149 def GPR32common : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 0, 30)> {
150 let AltOrders = [(rotl GPR32common, 8)];
151 let AltOrderSelect = [{ return 1; }];
153 def GPR64common : RegisterClass<"AArch64", [i64], 64,
154 (add (sequence "X%u", 0, 28), FP, LR)> {
155 let AltOrders = [(rotl GPR64common, 8)];
156 let AltOrderSelect = [{ return 1; }];
158 // GPR register classes which exclude SP/WSP.
159 def GPR32 : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WZR)> {
160 let AltOrders = [(rotl GPR32, 8)];
161 let AltOrderSelect = [{ return 1; }];
163 def GPR64 : RegisterClass<"AArch64", [i64], 64, (add GPR64common, XZR)> {
164 let AltOrders = [(rotl GPR64, 8)];
165 let AltOrderSelect = [{ return 1; }];
168 // GPR register classes which include SP/WSP.
169 def GPR32sp : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WSP)> {
170 let AltOrders = [(rotl GPR32sp, 8)];
171 let AltOrderSelect = [{ return 1; }];
173 def GPR64sp : RegisterClass<"AArch64", [i64], 64, (add GPR64common, SP)> {
174 let AltOrders = [(rotl GPR64sp, 8)];
175 let AltOrderSelect = [{ return 1; }];
178 def GPR32sponly : RegisterClass<"AArch64", [i32], 32, (add WSP)>;
179 def GPR64sponly : RegisterClass<"AArch64", [i64], 64, (add SP)>;
181 def GPR64spPlus0Operand : AsmOperandClass {
182 let Name = "GPR64sp0";
183 let RenderMethod = "addRegOperands";
184 let PredicateMethod = "isGPR64<AArch64::GPR64spRegClassID>";
185 let ParserMethod = "tryParseGPR64sp0Operand";
188 def GPR64sp0 : RegisterOperand<GPR64sp> {
189 let ParserMatchClass = GPR64spPlus0Operand;
192 // GPR32/GPR64 but with zero-register substitution enabled.
193 // TODO: Roll this out to GPR32/GPR64/GPR32all/GPR64all.
194 def GPR32z : RegisterOperand<GPR32> {
195 let GIZeroRegister = WZR;
197 def GPR64z : RegisterOperand<GPR64> {
198 let GIZeroRegister = XZR;
201 // GPR argument registers.
202 def GPR32arg : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 0, 7)>;
203 def GPR64arg : RegisterClass<"AArch64", [i64], 64, (sequence "X%u", 0, 7)>;
205 // GPR register classes which include WZR/XZR AND SP/WSP. This is not a
206 // constraint used by any instructions, it is used as a common super-class.
207 def GPR32all : RegisterClass<"AArch64", [i32], 32, (add GPR32common, WZR, WSP)>;
208 def GPR64all : RegisterClass<"AArch64", [i64], 64, (add GPR64common, XZR, SP)>;
210 // For tail calls, we can't use callee-saved registers, as they are restored
211 // to the saved value before the tail call, which would clobber a call address.
212 // This is for indirect tail calls to store the address of the destination.
213 def tcGPR64 : RegisterClass<"AArch64", [i64], 64, (sub GPR64common, X19, X20, X21,
214 X22, X23, X24, X25, X26,
217 // Restricted set of tail call registers, for use when branch target
218 // enforcement is enabled. These are the only registers which can be used to
219 // indirectly branch (not call) to the "BTI c" instruction at the start of a
220 // BTI-protected function.
221 def rtcGPR64 : RegisterClass<"AArch64", [i64], 64, (add X16, X17)>;
223 // Register set that excludes registers that are reserved for procedure calls.
224 // This is used for pseudo-instructions that are actually implemented using a
226 def GPR64noip : RegisterClass<"AArch64", [i64], 64, (sub GPR64, X16, X17, LR)>;
228 // GPR register classes for post increment amount of vector load/store that
229 // has alternate printing when Rm=31 and prints a constant immediate value
230 // equal to the total number of bytes transferred.
232 // FIXME: TableGen *should* be able to do these itself now. There appears to be
233 // a bug in counting how many operands a Post-indexed MCInst should have which
234 // means the aliases don't trigger.
235 def GPR64pi1 : RegisterOperand<GPR64, "printPostIncOperand<1>">;
236 def GPR64pi2 : RegisterOperand<GPR64, "printPostIncOperand<2>">;
237 def GPR64pi3 : RegisterOperand<GPR64, "printPostIncOperand<3>">;
238 def GPR64pi4 : RegisterOperand<GPR64, "printPostIncOperand<4>">;
239 def GPR64pi6 : RegisterOperand<GPR64, "printPostIncOperand<6>">;
240 def GPR64pi8 : RegisterOperand<GPR64, "printPostIncOperand<8>">;
241 def GPR64pi12 : RegisterOperand<GPR64, "printPostIncOperand<12>">;
242 def GPR64pi16 : RegisterOperand<GPR64, "printPostIncOperand<16>">;
243 def GPR64pi24 : RegisterOperand<GPR64, "printPostIncOperand<24>">;
244 def GPR64pi32 : RegisterOperand<GPR64, "printPostIncOperand<32>">;
245 def GPR64pi48 : RegisterOperand<GPR64, "printPostIncOperand<48>">;
246 def GPR64pi64 : RegisterOperand<GPR64, "printPostIncOperand<64>">;
248 // Condition code regclass.
249 def CCR : RegisterClass<"AArch64", [i32], 32, (add NZCV)> {
250 let CopyCost = -1; // Don't allow copying of status registers.
252 // CCR is not allocatable.
253 let isAllocatable = 0;
256 //===----------------------------------------------------------------------===//
257 // Floating Point Scalar Registers
258 //===----------------------------------------------------------------------===//
260 def B0 : AArch64Reg<0, "b0">, DwarfRegNum<[64]>;
261 def B1 : AArch64Reg<1, "b1">, DwarfRegNum<[65]>;
262 def B2 : AArch64Reg<2, "b2">, DwarfRegNum<[66]>;
263 def B3 : AArch64Reg<3, "b3">, DwarfRegNum<[67]>;
264 def B4 : AArch64Reg<4, "b4">, DwarfRegNum<[68]>;
265 def B5 : AArch64Reg<5, "b5">, DwarfRegNum<[69]>;
266 def B6 : AArch64Reg<6, "b6">, DwarfRegNum<[70]>;
267 def B7 : AArch64Reg<7, "b7">, DwarfRegNum<[71]>;
268 def B8 : AArch64Reg<8, "b8">, DwarfRegNum<[72]>;
269 def B9 : AArch64Reg<9, "b9">, DwarfRegNum<[73]>;
270 def B10 : AArch64Reg<10, "b10">, DwarfRegNum<[74]>;
271 def B11 : AArch64Reg<11, "b11">, DwarfRegNum<[75]>;
272 def B12 : AArch64Reg<12, "b12">, DwarfRegNum<[76]>;
273 def B13 : AArch64Reg<13, "b13">, DwarfRegNum<[77]>;
274 def B14 : AArch64Reg<14, "b14">, DwarfRegNum<[78]>;
275 def B15 : AArch64Reg<15, "b15">, DwarfRegNum<[79]>;
276 def B16 : AArch64Reg<16, "b16">, DwarfRegNum<[80]>;
277 def B17 : AArch64Reg<17, "b17">, DwarfRegNum<[81]>;
278 def B18 : AArch64Reg<18, "b18">, DwarfRegNum<[82]>;
279 def B19 : AArch64Reg<19, "b19">, DwarfRegNum<[83]>;
280 def B20 : AArch64Reg<20, "b20">, DwarfRegNum<[84]>;
281 def B21 : AArch64Reg<21, "b21">, DwarfRegNum<[85]>;
282 def B22 : AArch64Reg<22, "b22">, DwarfRegNum<[86]>;
283 def B23 : AArch64Reg<23, "b23">, DwarfRegNum<[87]>;
284 def B24 : AArch64Reg<24, "b24">, DwarfRegNum<[88]>;
285 def B25 : AArch64Reg<25, "b25">, DwarfRegNum<[89]>;
286 def B26 : AArch64Reg<26, "b26">, DwarfRegNum<[90]>;
287 def B27 : AArch64Reg<27, "b27">, DwarfRegNum<[91]>;
288 def B28 : AArch64Reg<28, "b28">, DwarfRegNum<[92]>;
289 def B29 : AArch64Reg<29, "b29">, DwarfRegNum<[93]>;
290 def B30 : AArch64Reg<30, "b30">, DwarfRegNum<[94]>;
291 def B31 : AArch64Reg<31, "b31">, DwarfRegNum<[95]>;
293 let SubRegIndices = [bsub] in {
294 def H0 : AArch64Reg<0, "h0", [B0]>, DwarfRegAlias<B0>;
295 def H1 : AArch64Reg<1, "h1", [B1]>, DwarfRegAlias<B1>;
296 def H2 : AArch64Reg<2, "h2", [B2]>, DwarfRegAlias<B2>;
297 def H3 : AArch64Reg<3, "h3", [B3]>, DwarfRegAlias<B3>;
298 def H4 : AArch64Reg<4, "h4", [B4]>, DwarfRegAlias<B4>;
299 def H5 : AArch64Reg<5, "h5", [B5]>, DwarfRegAlias<B5>;
300 def H6 : AArch64Reg<6, "h6", [B6]>, DwarfRegAlias<B6>;
301 def H7 : AArch64Reg<7, "h7", [B7]>, DwarfRegAlias<B7>;
302 def H8 : AArch64Reg<8, "h8", [B8]>, DwarfRegAlias<B8>;
303 def H9 : AArch64Reg<9, "h9", [B9]>, DwarfRegAlias<B9>;
304 def H10 : AArch64Reg<10, "h10", [B10]>, DwarfRegAlias<B10>;
305 def H11 : AArch64Reg<11, "h11", [B11]>, DwarfRegAlias<B11>;
306 def H12 : AArch64Reg<12, "h12", [B12]>, DwarfRegAlias<B12>;
307 def H13 : AArch64Reg<13, "h13", [B13]>, DwarfRegAlias<B13>;
308 def H14 : AArch64Reg<14, "h14", [B14]>, DwarfRegAlias<B14>;
309 def H15 : AArch64Reg<15, "h15", [B15]>, DwarfRegAlias<B15>;
310 def H16 : AArch64Reg<16, "h16", [B16]>, DwarfRegAlias<B16>;
311 def H17 : AArch64Reg<17, "h17", [B17]>, DwarfRegAlias<B17>;
312 def H18 : AArch64Reg<18, "h18", [B18]>, DwarfRegAlias<B18>;
313 def H19 : AArch64Reg<19, "h19", [B19]>, DwarfRegAlias<B19>;
314 def H20 : AArch64Reg<20, "h20", [B20]>, DwarfRegAlias<B20>;
315 def H21 : AArch64Reg<21, "h21", [B21]>, DwarfRegAlias<B21>;
316 def H22 : AArch64Reg<22, "h22", [B22]>, DwarfRegAlias<B22>;
317 def H23 : AArch64Reg<23, "h23", [B23]>, DwarfRegAlias<B23>;
318 def H24 : AArch64Reg<24, "h24", [B24]>, DwarfRegAlias<B24>;
319 def H25 : AArch64Reg<25, "h25", [B25]>, DwarfRegAlias<B25>;
320 def H26 : AArch64Reg<26, "h26", [B26]>, DwarfRegAlias<B26>;
321 def H27 : AArch64Reg<27, "h27", [B27]>, DwarfRegAlias<B27>;
322 def H28 : AArch64Reg<28, "h28", [B28]>, DwarfRegAlias<B28>;
323 def H29 : AArch64Reg<29, "h29", [B29]>, DwarfRegAlias<B29>;
324 def H30 : AArch64Reg<30, "h30", [B30]>, DwarfRegAlias<B30>;
325 def H31 : AArch64Reg<31, "h31", [B31]>, DwarfRegAlias<B31>;
328 let SubRegIndices = [hsub] in {
329 def S0 : AArch64Reg<0, "s0", [H0]>, DwarfRegAlias<B0>;
330 def S1 : AArch64Reg<1, "s1", [H1]>, DwarfRegAlias<B1>;
331 def S2 : AArch64Reg<2, "s2", [H2]>, DwarfRegAlias<B2>;
332 def S3 : AArch64Reg<3, "s3", [H3]>, DwarfRegAlias<B3>;
333 def S4 : AArch64Reg<4, "s4", [H4]>, DwarfRegAlias<B4>;
334 def S5 : AArch64Reg<5, "s5", [H5]>, DwarfRegAlias<B5>;
335 def S6 : AArch64Reg<6, "s6", [H6]>, DwarfRegAlias<B6>;
336 def S7 : AArch64Reg<7, "s7", [H7]>, DwarfRegAlias<B7>;
337 def S8 : AArch64Reg<8, "s8", [H8]>, DwarfRegAlias<B8>;
338 def S9 : AArch64Reg<9, "s9", [H9]>, DwarfRegAlias<B9>;
339 def S10 : AArch64Reg<10, "s10", [H10]>, DwarfRegAlias<B10>;
340 def S11 : AArch64Reg<11, "s11", [H11]>, DwarfRegAlias<B11>;
341 def S12 : AArch64Reg<12, "s12", [H12]>, DwarfRegAlias<B12>;
342 def S13 : AArch64Reg<13, "s13", [H13]>, DwarfRegAlias<B13>;
343 def S14 : AArch64Reg<14, "s14", [H14]>, DwarfRegAlias<B14>;
344 def S15 : AArch64Reg<15, "s15", [H15]>, DwarfRegAlias<B15>;
345 def S16 : AArch64Reg<16, "s16", [H16]>, DwarfRegAlias<B16>;
346 def S17 : AArch64Reg<17, "s17", [H17]>, DwarfRegAlias<B17>;
347 def S18 : AArch64Reg<18, "s18", [H18]>, DwarfRegAlias<B18>;
348 def S19 : AArch64Reg<19, "s19", [H19]>, DwarfRegAlias<B19>;
349 def S20 : AArch64Reg<20, "s20", [H20]>, DwarfRegAlias<B20>;
350 def S21 : AArch64Reg<21, "s21", [H21]>, DwarfRegAlias<B21>;
351 def S22 : AArch64Reg<22, "s22", [H22]>, DwarfRegAlias<B22>;
352 def S23 : AArch64Reg<23, "s23", [H23]>, DwarfRegAlias<B23>;
353 def S24 : AArch64Reg<24, "s24", [H24]>, DwarfRegAlias<B24>;
354 def S25 : AArch64Reg<25, "s25", [H25]>, DwarfRegAlias<B25>;
355 def S26 : AArch64Reg<26, "s26", [H26]>, DwarfRegAlias<B26>;
356 def S27 : AArch64Reg<27, "s27", [H27]>, DwarfRegAlias<B27>;
357 def S28 : AArch64Reg<28, "s28", [H28]>, DwarfRegAlias<B28>;
358 def S29 : AArch64Reg<29, "s29", [H29]>, DwarfRegAlias<B29>;
359 def S30 : AArch64Reg<30, "s30", [H30]>, DwarfRegAlias<B30>;
360 def S31 : AArch64Reg<31, "s31", [H31]>, DwarfRegAlias<B31>;
363 let SubRegIndices = [ssub], RegAltNameIndices = [vreg, vlist1] in {
364 def D0 : AArch64Reg<0, "d0", [S0], ["v0", ""]>, DwarfRegAlias<B0>;
365 def D1 : AArch64Reg<1, "d1", [S1], ["v1", ""]>, DwarfRegAlias<B1>;
366 def D2 : AArch64Reg<2, "d2", [S2], ["v2", ""]>, DwarfRegAlias<B2>;
367 def D3 : AArch64Reg<3, "d3", [S3], ["v3", ""]>, DwarfRegAlias<B3>;
368 def D4 : AArch64Reg<4, "d4", [S4], ["v4", ""]>, DwarfRegAlias<B4>;
369 def D5 : AArch64Reg<5, "d5", [S5], ["v5", ""]>, DwarfRegAlias<B5>;
370 def D6 : AArch64Reg<6, "d6", [S6], ["v6", ""]>, DwarfRegAlias<B6>;
371 def D7 : AArch64Reg<7, "d7", [S7], ["v7", ""]>, DwarfRegAlias<B7>;
372 def D8 : AArch64Reg<8, "d8", [S8], ["v8", ""]>, DwarfRegAlias<B8>;
373 def D9 : AArch64Reg<9, "d9", [S9], ["v9", ""]>, DwarfRegAlias<B9>;
374 def D10 : AArch64Reg<10, "d10", [S10], ["v10", ""]>, DwarfRegAlias<B10>;
375 def D11 : AArch64Reg<11, "d11", [S11], ["v11", ""]>, DwarfRegAlias<B11>;
376 def D12 : AArch64Reg<12, "d12", [S12], ["v12", ""]>, DwarfRegAlias<B12>;
377 def D13 : AArch64Reg<13, "d13", [S13], ["v13", ""]>, DwarfRegAlias<B13>;
378 def D14 : AArch64Reg<14, "d14", [S14], ["v14", ""]>, DwarfRegAlias<B14>;
379 def D15 : AArch64Reg<15, "d15", [S15], ["v15", ""]>, DwarfRegAlias<B15>;
380 def D16 : AArch64Reg<16, "d16", [S16], ["v16", ""]>, DwarfRegAlias<B16>;
381 def D17 : AArch64Reg<17, "d17", [S17], ["v17", ""]>, DwarfRegAlias<B17>;
382 def D18 : AArch64Reg<18, "d18", [S18], ["v18", ""]>, DwarfRegAlias<B18>;
383 def D19 : AArch64Reg<19, "d19", [S19], ["v19", ""]>, DwarfRegAlias<B19>;
384 def D20 : AArch64Reg<20, "d20", [S20], ["v20", ""]>, DwarfRegAlias<B20>;
385 def D21 : AArch64Reg<21, "d21", [S21], ["v21", ""]>, DwarfRegAlias<B21>;
386 def D22 : AArch64Reg<22, "d22", [S22], ["v22", ""]>, DwarfRegAlias<B22>;
387 def D23 : AArch64Reg<23, "d23", [S23], ["v23", ""]>, DwarfRegAlias<B23>;
388 def D24 : AArch64Reg<24, "d24", [S24], ["v24", ""]>, DwarfRegAlias<B24>;
389 def D25 : AArch64Reg<25, "d25", [S25], ["v25", ""]>, DwarfRegAlias<B25>;
390 def D26 : AArch64Reg<26, "d26", [S26], ["v26", ""]>, DwarfRegAlias<B26>;
391 def D27 : AArch64Reg<27, "d27", [S27], ["v27", ""]>, DwarfRegAlias<B27>;
392 def D28 : AArch64Reg<28, "d28", [S28], ["v28", ""]>, DwarfRegAlias<B28>;
393 def D29 : AArch64Reg<29, "d29", [S29], ["v29", ""]>, DwarfRegAlias<B29>;
394 def D30 : AArch64Reg<30, "d30", [S30], ["v30", ""]>, DwarfRegAlias<B30>;
395 def D31 : AArch64Reg<31, "d31", [S31], ["v31", ""]>, DwarfRegAlias<B31>;
398 let SubRegIndices = [dsub], RegAltNameIndices = [vreg, vlist1] in {
399 def Q0 : AArch64Reg<0, "q0", [D0], ["v0", ""]>, DwarfRegAlias<B0>;
400 def Q1 : AArch64Reg<1, "q1", [D1], ["v1", ""]>, DwarfRegAlias<B1>;
401 def Q2 : AArch64Reg<2, "q2", [D2], ["v2", ""]>, DwarfRegAlias<B2>;
402 def Q3 : AArch64Reg<3, "q3", [D3], ["v3", ""]>, DwarfRegAlias<B3>;
403 def Q4 : AArch64Reg<4, "q4", [D4], ["v4", ""]>, DwarfRegAlias<B4>;
404 def Q5 : AArch64Reg<5, "q5", [D5], ["v5", ""]>, DwarfRegAlias<B5>;
405 def Q6 : AArch64Reg<6, "q6", [D6], ["v6", ""]>, DwarfRegAlias<B6>;
406 def Q7 : AArch64Reg<7, "q7", [D7], ["v7", ""]>, DwarfRegAlias<B7>;
407 def Q8 : AArch64Reg<8, "q8", [D8], ["v8", ""]>, DwarfRegAlias<B8>;
408 def Q9 : AArch64Reg<9, "q9", [D9], ["v9", ""]>, DwarfRegAlias<B9>;
409 def Q10 : AArch64Reg<10, "q10", [D10], ["v10", ""]>, DwarfRegAlias<B10>;
410 def Q11 : AArch64Reg<11, "q11", [D11], ["v11", ""]>, DwarfRegAlias<B11>;
411 def Q12 : AArch64Reg<12, "q12", [D12], ["v12", ""]>, DwarfRegAlias<B12>;
412 def Q13 : AArch64Reg<13, "q13", [D13], ["v13", ""]>, DwarfRegAlias<B13>;
413 def Q14 : AArch64Reg<14, "q14", [D14], ["v14", ""]>, DwarfRegAlias<B14>;
414 def Q15 : AArch64Reg<15, "q15", [D15], ["v15", ""]>, DwarfRegAlias<B15>;
415 def Q16 : AArch64Reg<16, "q16", [D16], ["v16", ""]>, DwarfRegAlias<B16>;
416 def Q17 : AArch64Reg<17, "q17", [D17], ["v17", ""]>, DwarfRegAlias<B17>;
417 def Q18 : AArch64Reg<18, "q18", [D18], ["v18", ""]>, DwarfRegAlias<B18>;
418 def Q19 : AArch64Reg<19, "q19", [D19], ["v19", ""]>, DwarfRegAlias<B19>;
419 def Q20 : AArch64Reg<20, "q20", [D20], ["v20", ""]>, DwarfRegAlias<B20>;
420 def Q21 : AArch64Reg<21, "q21", [D21], ["v21", ""]>, DwarfRegAlias<B21>;
421 def Q22 : AArch64Reg<22, "q22", [D22], ["v22", ""]>, DwarfRegAlias<B22>;
422 def Q23 : AArch64Reg<23, "q23", [D23], ["v23", ""]>, DwarfRegAlias<B23>;
423 def Q24 : AArch64Reg<24, "q24", [D24], ["v24", ""]>, DwarfRegAlias<B24>;
424 def Q25 : AArch64Reg<25, "q25", [D25], ["v25", ""]>, DwarfRegAlias<B25>;
425 def Q26 : AArch64Reg<26, "q26", [D26], ["v26", ""]>, DwarfRegAlias<B26>;
426 def Q27 : AArch64Reg<27, "q27", [D27], ["v27", ""]>, DwarfRegAlias<B27>;
427 def Q28 : AArch64Reg<28, "q28", [D28], ["v28", ""]>, DwarfRegAlias<B28>;
428 def Q29 : AArch64Reg<29, "q29", [D29], ["v29", ""]>, DwarfRegAlias<B29>;
429 def Q30 : AArch64Reg<30, "q30", [D30], ["v30", ""]>, DwarfRegAlias<B30>;
430 def Q31 : AArch64Reg<31, "q31", [D31], ["v31", ""]>, DwarfRegAlias<B31>;
433 def FPR8 : RegisterClass<"AArch64", [untyped], 8, (sequence "B%u", 0, 31)> {
436 def FPR16 : RegisterClass<"AArch64", [f16, bf16], 16, (sequence "H%u", 0, 31)> {
440 def FPR16_lo : RegisterClass<"AArch64", [f16], 16, (trunc FPR16, 16)> {
443 def FPR32 : RegisterClass<"AArch64", [f32, i32], 32,(sequence "S%u", 0, 31)>;
444 def FPR64 : RegisterClass<"AArch64", [f64, i64, v2f32, v1f64, v8i8, v4i16, v2i32,
445 v1i64, v4f16, v4bf16],
446 64, (sequence "D%u", 0, 31)>;
447 def FPR64_lo : RegisterClass<"AArch64",
448 [v8i8, v4i16, v2i32, v1i64, v4f16, v4bf16, v2f32,
450 64, (trunc FPR64, 16)>;
452 // We don't (yet) have an f128 legal type, so don't use that here. We
453 // normalize 128-bit vectors to v2f64 for arg passing and such, so use
455 def FPR128 : RegisterClass<"AArch64",
456 [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64, f128,
458 128, (sequence "Q%u", 0, 31)>;
460 // The lower 16 vector registers. Some instructions can only take registers
462 def FPR128_lo : RegisterClass<"AArch64",
463 [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64, v8f16,
465 128, (trunc FPR128, 16)>;
467 // Pairs, triples, and quads of 64-bit vector registers.
468 def DSeqPairs : RegisterTuples<[dsub0, dsub1], [(rotl FPR64, 0), (rotl FPR64, 1)]>;
469 def DSeqTriples : RegisterTuples<[dsub0, dsub1, dsub2],
470 [(rotl FPR64, 0), (rotl FPR64, 1),
472 def DSeqQuads : RegisterTuples<[dsub0, dsub1, dsub2, dsub3],
473 [(rotl FPR64, 0), (rotl FPR64, 1),
474 (rotl FPR64, 2), (rotl FPR64, 3)]>;
475 def DD : RegisterClass<"AArch64", [untyped], 64, (add DSeqPairs)> {
478 def DDD : RegisterClass<"AArch64", [untyped], 64, (add DSeqTriples)> {
481 def DDDD : RegisterClass<"AArch64", [untyped], 64, (add DSeqQuads)> {
485 // Pairs, triples, and quads of 128-bit vector registers.
486 def QSeqPairs : RegisterTuples<[qsub0, qsub1], [(rotl FPR128, 0), (rotl FPR128, 1)]>;
487 def QSeqTriples : RegisterTuples<[qsub0, qsub1, qsub2],
488 [(rotl FPR128, 0), (rotl FPR128, 1),
490 def QSeqQuads : RegisterTuples<[qsub0, qsub1, qsub2, qsub3],
491 [(rotl FPR128, 0), (rotl FPR128, 1),
492 (rotl FPR128, 2), (rotl FPR128, 3)]>;
493 def QQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqPairs)> {
496 def QQQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqTriples)> {
499 def QQQQ : RegisterClass<"AArch64", [untyped], 128, (add QSeqQuads)> {
504 // Vector operand versions of the FP registers. Alternate name printing and
505 // assembler matching.
506 def VectorReg64AsmOperand : AsmOperandClass {
507 let Name = "VectorReg64";
508 let PredicateMethod = "isNeonVectorReg";
510 def VectorReg128AsmOperand : AsmOperandClass {
511 let Name = "VectorReg128";
512 let PredicateMethod = "isNeonVectorReg";
515 def V64 : RegisterOperand<FPR64, "printVRegOperand"> {
516 let ParserMatchClass = VectorReg64AsmOperand;
519 def V128 : RegisterOperand<FPR128, "printVRegOperand"> {
520 let ParserMatchClass = VectorReg128AsmOperand;
523 def VectorRegLoAsmOperand : AsmOperandClass {
524 let Name = "VectorRegLo";
525 let PredicateMethod = "isNeonVectorRegLo";
527 def V64_lo : RegisterOperand<FPR64_lo, "printVRegOperand"> {
528 let ParserMatchClass = VectorRegLoAsmOperand;
530 def V128_lo : RegisterOperand<FPR128_lo, "printVRegOperand"> {
531 let ParserMatchClass = VectorRegLoAsmOperand;
534 class TypedVecListAsmOperand<int count, string vecty, int lanes, int eltsize>
536 let Name = "TypedVectorList" # count # "_" # lanes # eltsize;
539 = "isTypedVectorList<RegKind::NeonVector, " # count # ", " # lanes # ", " # eltsize # ">";
540 let RenderMethod = "addVectorListOperands<" # vecty # ", " # count # ">";
543 class TypedVecListRegOperand<RegisterClass Reg, int lanes, string eltsize>
544 : RegisterOperand<Reg, "printTypedVectorList<" # lanes # ", '"
547 multiclass VectorList<int count, RegisterClass Reg64, RegisterClass Reg128> {
548 // With implicit types (probably on instruction instead). E.g. { v0, v1 }
549 def _64AsmOperand : AsmOperandClass {
550 let Name = NAME # "64";
551 let PredicateMethod = "isImplicitlyTypedVectorList<RegKind::NeonVector, " # count # ">";
552 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_DReg, " # count # ">";
555 def "64" : RegisterOperand<Reg64, "printImplicitlyTypedVectorList"> {
556 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_64AsmOperand");
559 def _128AsmOperand : AsmOperandClass {
560 let Name = NAME # "128";
561 let PredicateMethod = "isImplicitlyTypedVectorList<RegKind::NeonVector, " # count # ">";
562 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_QReg, " # count # ">";
565 def "128" : RegisterOperand<Reg128, "printImplicitlyTypedVectorList"> {
566 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_128AsmOperand");
569 // 64-bit register lists with explicit type.
572 def _8bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 8, 8>;
573 def "8b" : TypedVecListRegOperand<Reg64, 8, "b"> {
574 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_8bAsmOperand");
578 def _4hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 4, 16>;
579 def "4h" : TypedVecListRegOperand<Reg64, 4, "h"> {
580 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_4hAsmOperand");
584 def _2sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 2, 32>;
585 def "2s" : TypedVecListRegOperand<Reg64, 2, "s"> {
586 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_2sAsmOperand");
590 def _1dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_DReg", 1, 64>;
591 def "1d" : TypedVecListRegOperand<Reg64, 1, "d"> {
592 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_1dAsmOperand");
595 // 128-bit register lists with explicit type
597 // { v0.16b, v1.16b }
598 def _16bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 16, 8>;
599 def "16b" : TypedVecListRegOperand<Reg128, 16, "b"> {
600 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_16bAsmOperand");
604 def _8hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 8, 16>;
605 def "8h" : TypedVecListRegOperand<Reg128, 8, "h"> {
606 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_8hAsmOperand");
610 def _4sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 4, 32>;
611 def "4s" : TypedVecListRegOperand<Reg128, 4, "s"> {
612 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_4sAsmOperand");
616 def _2dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 2, 64>;
617 def "2d" : TypedVecListRegOperand<Reg128, 2, "d"> {
618 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_2dAsmOperand");
622 def _bAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 8>;
623 def "b" : TypedVecListRegOperand<Reg128, 0, "b"> {
624 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_bAsmOperand");
628 def _hAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 16>;
629 def "h" : TypedVecListRegOperand<Reg128, 0, "h"> {
630 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_hAsmOperand");
634 def _sAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 32>;
635 def "s" : TypedVecListRegOperand<Reg128, 0, "s"> {
636 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_sAsmOperand");
640 def _dAsmOperand : TypedVecListAsmOperand<count, "AArch64Operand::VecListIdx_QReg", 0, 64>;
641 def "d" : TypedVecListRegOperand<Reg128, 0, "d"> {
642 let ParserMatchClass = !cast<AsmOperandClass>(NAME # "_dAsmOperand");
648 defm VecListOne : VectorList<1, FPR64, FPR128>;
649 defm VecListTwo : VectorList<2, DD, QQ>;
650 defm VecListThree : VectorList<3, DDD, QQQ>;
651 defm VecListFour : VectorList<4, DDDD, QQQQ>;
653 class FPRAsmOperand<string RC> : AsmOperandClass {
654 let Name = "FPRAsmOperand" # RC;
655 let PredicateMethod = "isGPR64<AArch64::" # RC # "RegClassID>";
656 let RenderMethod = "addRegOperands";
659 // Register operand versions of the scalar FP registers.
660 def FPR8Op : RegisterOperand<FPR8, "printOperand"> {
661 let ParserMatchClass = FPRAsmOperand<"FPR8">;
664 def FPR16Op : RegisterOperand<FPR16, "printOperand"> {
665 let ParserMatchClass = FPRAsmOperand<"FPR16">;
668 def FPR16Op_lo : RegisterOperand<FPR16_lo, "printOperand"> {
669 let ParserMatchClass = FPRAsmOperand<"FPR16_lo">;
672 def FPR32Op : RegisterOperand<FPR32, "printOperand"> {
673 let ParserMatchClass = FPRAsmOperand<"FPR32">;
676 def FPR64Op : RegisterOperand<FPR64, "printOperand"> {
677 let ParserMatchClass = FPRAsmOperand<"FPR64">;
680 def FPR128Op : RegisterOperand<FPR128, "printOperand"> {
681 let ParserMatchClass = FPRAsmOperand<"FPR128">;
684 //===----------------------------------------------------------------------===//
685 // ARMv8.1a atomic CASP register operands
688 def WSeqPairs : RegisterTuples<[sube32, subo32],
689 [(decimate (rotl GPR32, 0), 2),
690 (decimate (rotl GPR32, 1), 2)]>;
691 def XSeqPairs : RegisterTuples<[sube64, subo64],
692 [(decimate (rotl GPR64, 0), 2),
693 (decimate (rotl GPR64, 1), 2)]>;
695 def WSeqPairsClass : RegisterClass<"AArch64", [untyped], 32,
699 def XSeqPairsClass : RegisterClass<"AArch64", [untyped], 64,
705 let RenderMethod = "addRegOperands", ParserMethod="tryParseGPRSeqPair" in {
706 def WSeqPairsAsmOperandClass : AsmOperandClass { let Name = "WSeqPair"; }
707 def XSeqPairsAsmOperandClass : AsmOperandClass { let Name = "XSeqPair"; }
710 def WSeqPairClassOperand :
711 RegisterOperand<WSeqPairsClass, "printGPRSeqPairsClassOperand<32>"> {
712 let ParserMatchClass = WSeqPairsAsmOperandClass;
714 def XSeqPairClassOperand :
715 RegisterOperand<XSeqPairsClass, "printGPRSeqPairsClassOperand<64>"> {
716 let ParserMatchClass = XSeqPairsAsmOperandClass;
720 //===----- END: v8.1a atomic CASP register operands -----------------------===//
722 //===----------------------------------------------------------------------===//
723 // Armv8.7a accelerator extension register operands: 8 consecutive GPRs
724 // starting with an even one
726 let Namespace = "AArch64" in {
728 def "x8sub_"#i : SubRegIndex<64, !mul(64, i)>;
731 def Tuples8X : RegisterTuples<
732 !foreach(i, [0,1,2,3,4,5,6,7], !cast<SubRegIndex>("x8sub_"#i)),
733 !foreach(i, [0,1,2,3,4,5,6,7], (trunc (decimate (rotl GPR64, i), 2), 12))>;
735 def GPR64x8Class : RegisterClass<"AArch64", [i64x8], 512, (trunc Tuples8X, 12)> {
738 def GPR64x8AsmOp : AsmOperandClass {
739 let Name = "GPR64x8";
740 let ParserMethod = "tryParseGPR64x8";
741 let RenderMethod = "addRegOperands";
743 def GPR64x8 : RegisterOperand<GPR64x8Class, "printGPR64x8"> {
744 let ParserMatchClass = GPR64x8AsmOp;
745 let PrintMethod = "printGPR64x8";
748 //===----- END: v8.7a accelerator extension register operands -------------===//
750 // SVE predicate registers
751 def P0 : AArch64Reg<0, "p0">, DwarfRegNum<[48]>;
752 def P1 : AArch64Reg<1, "p1">, DwarfRegNum<[49]>;
753 def P2 : AArch64Reg<2, "p2">, DwarfRegNum<[50]>;
754 def P3 : AArch64Reg<3, "p3">, DwarfRegNum<[51]>;
755 def P4 : AArch64Reg<4, "p4">, DwarfRegNum<[52]>;
756 def P5 : AArch64Reg<5, "p5">, DwarfRegNum<[53]>;
757 def P6 : AArch64Reg<6, "p6">, DwarfRegNum<[54]>;
758 def P7 : AArch64Reg<7, "p7">, DwarfRegNum<[55]>;
759 def P8 : AArch64Reg<8, "p8">, DwarfRegNum<[56]>;
760 def P9 : AArch64Reg<9, "p9">, DwarfRegNum<[57]>;
761 def P10 : AArch64Reg<10, "p10">, DwarfRegNum<[58]>;
762 def P11 : AArch64Reg<11, "p11">, DwarfRegNum<[59]>;
763 def P12 : AArch64Reg<12, "p12">, DwarfRegNum<[60]>;
764 def P13 : AArch64Reg<13, "p13">, DwarfRegNum<[61]>;
765 def P14 : AArch64Reg<14, "p14">, DwarfRegNum<[62]>;
766 def P15 : AArch64Reg<15, "p15">, DwarfRegNum<[63]>;
768 // The part of SVE registers that don't overlap Neon registers.
769 // These are only used as part of clobber lists.
770 def Z0_HI : AArch64Reg<0, "z0_hi">;
771 def Z1_HI : AArch64Reg<1, "z1_hi">;
772 def Z2_HI : AArch64Reg<2, "z2_hi">;
773 def Z3_HI : AArch64Reg<3, "z3_hi">;
774 def Z4_HI : AArch64Reg<4, "z4_hi">;
775 def Z5_HI : AArch64Reg<5, "z5_hi">;
776 def Z6_HI : AArch64Reg<6, "z6_hi">;
777 def Z7_HI : AArch64Reg<7, "z7_hi">;
778 def Z8_HI : AArch64Reg<8, "z8_hi">;
779 def Z9_HI : AArch64Reg<9, "z9_hi">;
780 def Z10_HI : AArch64Reg<10, "z10_hi">;
781 def Z11_HI : AArch64Reg<11, "z11_hi">;
782 def Z12_HI : AArch64Reg<12, "z12_hi">;
783 def Z13_HI : AArch64Reg<13, "z13_hi">;
784 def Z14_HI : AArch64Reg<14, "z14_hi">;
785 def Z15_HI : AArch64Reg<15, "z15_hi">;
786 def Z16_HI : AArch64Reg<16, "z16_hi">;
787 def Z17_HI : AArch64Reg<17, "z17_hi">;
788 def Z18_HI : AArch64Reg<18, "z18_hi">;
789 def Z19_HI : AArch64Reg<19, "z19_hi">;
790 def Z20_HI : AArch64Reg<20, "z20_hi">;
791 def Z21_HI : AArch64Reg<21, "z21_hi">;
792 def Z22_HI : AArch64Reg<22, "z22_hi">;
793 def Z23_HI : AArch64Reg<23, "z23_hi">;
794 def Z24_HI : AArch64Reg<24, "z24_hi">;
795 def Z25_HI : AArch64Reg<25, "z25_hi">;
796 def Z26_HI : AArch64Reg<26, "z26_hi">;
797 def Z27_HI : AArch64Reg<27, "z27_hi">;
798 def Z28_HI : AArch64Reg<28, "z28_hi">;
799 def Z29_HI : AArch64Reg<29, "z29_hi">;
800 def Z30_HI : AArch64Reg<30, "z30_hi">;
801 def Z31_HI : AArch64Reg<31, "z31_hi">;
803 // SVE variable-size vector registers
804 let SubRegIndices = [zsub,zsub_hi] in {
805 def Z0 : AArch64Reg<0, "z0", [Q0, Z0_HI]>, DwarfRegNum<[96]>;
806 def Z1 : AArch64Reg<1, "z1", [Q1, Z1_HI]>, DwarfRegNum<[97]>;
807 def Z2 : AArch64Reg<2, "z2", [Q2, Z2_HI]>, DwarfRegNum<[98]>;
808 def Z3 : AArch64Reg<3, "z3", [Q3, Z3_HI]>, DwarfRegNum<[99]>;
809 def Z4 : AArch64Reg<4, "z4", [Q4, Z4_HI]>, DwarfRegNum<[100]>;
810 def Z5 : AArch64Reg<5, "z5", [Q5, Z5_HI]>, DwarfRegNum<[101]>;
811 def Z6 : AArch64Reg<6, "z6", [Q6, Z6_HI]>, DwarfRegNum<[102]>;
812 def Z7 : AArch64Reg<7, "z7", [Q7, Z7_HI]>, DwarfRegNum<[103]>;
813 def Z8 : AArch64Reg<8, "z8", [Q8, Z8_HI]>, DwarfRegNum<[104]>;
814 def Z9 : AArch64Reg<9, "z9", [Q9, Z9_HI]>, DwarfRegNum<[105]>;
815 def Z10 : AArch64Reg<10, "z10", [Q10, Z10_HI]>, DwarfRegNum<[106]>;
816 def Z11 : AArch64Reg<11, "z11", [Q11, Z11_HI]>, DwarfRegNum<[107]>;
817 def Z12 : AArch64Reg<12, "z12", [Q12, Z12_HI]>, DwarfRegNum<[108]>;
818 def Z13 : AArch64Reg<13, "z13", [Q13, Z13_HI]>, DwarfRegNum<[109]>;
819 def Z14 : AArch64Reg<14, "z14", [Q14, Z14_HI]>, DwarfRegNum<[110]>;
820 def Z15 : AArch64Reg<15, "z15", [Q15, Z15_HI]>, DwarfRegNum<[111]>;
821 def Z16 : AArch64Reg<16, "z16", [Q16, Z16_HI]>, DwarfRegNum<[112]>;
822 def Z17 : AArch64Reg<17, "z17", [Q17, Z17_HI]>, DwarfRegNum<[113]>;
823 def Z18 : AArch64Reg<18, "z18", [Q18, Z18_HI]>, DwarfRegNum<[114]>;
824 def Z19 : AArch64Reg<19, "z19", [Q19, Z19_HI]>, DwarfRegNum<[115]>;
825 def Z20 : AArch64Reg<20, "z20", [Q20, Z20_HI]>, DwarfRegNum<[116]>;
826 def Z21 : AArch64Reg<21, "z21", [Q21, Z21_HI]>, DwarfRegNum<[117]>;
827 def Z22 : AArch64Reg<22, "z22", [Q22, Z22_HI]>, DwarfRegNum<[118]>;
828 def Z23 : AArch64Reg<23, "z23", [Q23, Z23_HI]>, DwarfRegNum<[119]>;
829 def Z24 : AArch64Reg<24, "z24", [Q24, Z24_HI]>, DwarfRegNum<[120]>;
830 def Z25 : AArch64Reg<25, "z25", [Q25, Z25_HI]>, DwarfRegNum<[121]>;
831 def Z26 : AArch64Reg<26, "z26", [Q26, Z26_HI]>, DwarfRegNum<[122]>;
832 def Z27 : AArch64Reg<27, "z27", [Q27, Z27_HI]>, DwarfRegNum<[123]>;
833 def Z28 : AArch64Reg<28, "z28", [Q28, Z28_HI]>, DwarfRegNum<[124]>;
834 def Z29 : AArch64Reg<29, "z29", [Q29, Z29_HI]>, DwarfRegNum<[125]>;
835 def Z30 : AArch64Reg<30, "z30", [Q30, Z30_HI]>, DwarfRegNum<[126]>;
836 def Z31 : AArch64Reg<31, "z31", [Q31, Z31_HI]>, DwarfRegNum<[127]>;
839 // Enum describing the element size for destructive
841 class ElementSizeEnum<bits<3> val> {
845 def ElementSizeNone : ElementSizeEnum<0>;
846 def ElementSizeB : ElementSizeEnum<1>;
847 def ElementSizeH : ElementSizeEnum<2>;
848 def ElementSizeS : ElementSizeEnum<3>;
849 def ElementSizeD : ElementSizeEnum<4>;
850 def ElementSizeQ : ElementSizeEnum<5>; // Unused
852 class SVERegOp <string Suffix, AsmOperandClass C,
853 ElementSizeEnum Size,
854 RegisterClass RC> : RegisterOperand<RC> {
855 ElementSizeEnum ElementSize;
857 let ElementSize = Size;
858 let PrintMethod = !if(!eq(Suffix, ""),
860 "printSVERegOp<'" # Suffix # "'>");
861 let ParserMatchClass = C;
864 class PPRRegOp <string Suffix, AsmOperandClass C, ElementSizeEnum Size,
865 RegisterClass RC> : SVERegOp<Suffix, C, Size, RC> {}
866 class ZPRRegOp <string Suffix, AsmOperandClass C, ElementSizeEnum Size,
867 RegisterClass RC> : SVERegOp<Suffix, C, Size, RC> {}
869 //******************************************************************************
871 // SVE predicate register classes.
872 class PPRClass<int lastreg> : RegisterClass<
874 [ nxv16i1, nxv8i1, nxv4i1, nxv2i1 ], 16,
875 (sequence "P%u", 0, lastreg)> {
879 def PPR : PPRClass<15>;
880 def PPR_3b : PPRClass<7>; // Restricted 3 bit SVE predicate register class.
882 class PPRAsmOperand <string name, string RegClass, int Width>: AsmOperandClass {
883 let Name = "SVE" # name # "Reg";
884 let PredicateMethod = "isSVEPredicateVectorRegOfWidth<"
885 # Width # ", " # "AArch64::" # RegClass # "RegClassID>";
886 let DiagnosticType = "InvalidSVE" # name # "Reg";
887 let RenderMethod = "addRegOperands";
888 let ParserMethod = "tryParseSVEPredicateVector";
891 def PPRAsmOpAny : PPRAsmOperand<"PredicateAny", "PPR", 0>;
892 def PPRAsmOp8 : PPRAsmOperand<"PredicateB", "PPR", 8>;
893 def PPRAsmOp16 : PPRAsmOperand<"PredicateH", "PPR", 16>;
894 def PPRAsmOp32 : PPRAsmOperand<"PredicateS", "PPR", 32>;
895 def PPRAsmOp64 : PPRAsmOperand<"PredicateD", "PPR", 64>;
897 def PPRAny : PPRRegOp<"", PPRAsmOpAny, ElementSizeNone, PPR>;
898 def PPR8 : PPRRegOp<"b", PPRAsmOp8, ElementSizeB, PPR>;
899 def PPR16 : PPRRegOp<"h", PPRAsmOp16, ElementSizeH, PPR>;
900 def PPR32 : PPRRegOp<"s", PPRAsmOp32, ElementSizeS, PPR>;
901 def PPR64 : PPRRegOp<"d", PPRAsmOp64, ElementSizeD, PPR>;
903 def PPRAsmOp3bAny : PPRAsmOperand<"Predicate3bAny", "PPR_3b", 0>;
905 def PPR3bAny : PPRRegOp<"", PPRAsmOp3bAny, ElementSizeNone, PPR_3b>;
907 //******************************************************************************
909 // SVE vector register classes
910 class ZPRClass<int lastreg> : RegisterClass<"AArch64",
911 [nxv16i8, nxv8i16, nxv4i32, nxv2i64,
912 nxv2f16, nxv4f16, nxv8f16,
913 nxv2bf16, nxv4bf16, nxv8bf16,
916 128, (sequence "Z%u", 0, lastreg)> {
920 def ZPR : ZPRClass<31>;
921 def ZPR_4b : ZPRClass<15>; // Restricted 4 bit SVE vector register class.
922 def ZPR_3b : ZPRClass<7>; // Restricted 3 bit SVE vector register class.
924 class ZPRAsmOperand<string name, int Width, string RegClassSuffix = "">
926 let Name = "SVE" # name # "Reg";
927 let PredicateMethod = "isSVEDataVectorRegOfWidth<"
928 # Width # ", AArch64::ZPR"
929 # RegClassSuffix # "RegClassID>";
930 let RenderMethod = "addRegOperands";
931 let DiagnosticType = "InvalidZPR" # RegClassSuffix # Width;
932 let ParserMethod = "tryParseSVEDataVector<false, "
933 # !if(!eq(Width, 0), "false", "true") # ">";
936 def ZPRAsmOpAny : ZPRAsmOperand<"VectorAny", 0>;
937 def ZPRAsmOp8 : ZPRAsmOperand<"VectorB", 8>;
938 def ZPRAsmOp16 : ZPRAsmOperand<"VectorH", 16>;
939 def ZPRAsmOp32 : ZPRAsmOperand<"VectorS", 32>;
940 def ZPRAsmOp64 : ZPRAsmOperand<"VectorD", 64>;
941 def ZPRAsmOp128 : ZPRAsmOperand<"VectorQ", 128>;
943 def ZPRAny : ZPRRegOp<"", ZPRAsmOpAny, ElementSizeNone, ZPR>;
944 def ZPR8 : ZPRRegOp<"b", ZPRAsmOp8, ElementSizeB, ZPR>;
945 def ZPR16 : ZPRRegOp<"h", ZPRAsmOp16, ElementSizeH, ZPR>;
946 def ZPR32 : ZPRRegOp<"s", ZPRAsmOp32, ElementSizeS, ZPR>;
947 def ZPR64 : ZPRRegOp<"d", ZPRAsmOp64, ElementSizeD, ZPR>;
948 def ZPR128 : ZPRRegOp<"q", ZPRAsmOp128, ElementSizeQ, ZPR>;
950 def ZPRAsmOp3b8 : ZPRAsmOperand<"Vector3bB", 8, "_3b">;
951 def ZPRAsmOp3b16 : ZPRAsmOperand<"Vector3bH", 16, "_3b">;
952 def ZPRAsmOp3b32 : ZPRAsmOperand<"Vector3bS", 32, "_3b">;
954 def ZPR3b8 : ZPRRegOp<"b", ZPRAsmOp3b8, ElementSizeB, ZPR_3b>;
955 def ZPR3b16 : ZPRRegOp<"h", ZPRAsmOp3b16, ElementSizeH, ZPR_3b>;
956 def ZPR3b32 : ZPRRegOp<"s", ZPRAsmOp3b32, ElementSizeS, ZPR_3b>;
958 def ZPRAsmOp4b16 : ZPRAsmOperand<"Vector4bH", 16, "_4b">;
959 def ZPRAsmOp4b32 : ZPRAsmOperand<"Vector4bS", 32, "_4b">;
960 def ZPRAsmOp4b64 : ZPRAsmOperand<"Vector4bD", 64, "_4b">;
962 def ZPR4b16 : ZPRRegOp<"h", ZPRAsmOp4b16, ElementSizeH, ZPR_4b>;
963 def ZPR4b32 : ZPRRegOp<"s", ZPRAsmOp4b32, ElementSizeS, ZPR_4b>;
964 def ZPR4b64 : ZPRRegOp<"d", ZPRAsmOp4b64, ElementSizeD, ZPR_4b>;
966 class FPRasZPR<int Width> : AsmOperandClass{
967 let Name = "FPR" # Width # "asZPR";
968 let PredicateMethod = "isFPRasZPR<AArch64::FPR" # Width # "RegClassID>";
969 let RenderMethod = "addFPRasZPRRegOperands<" # Width # ">";
972 class FPRasZPROperand<int Width> : RegisterOperand<ZPR> {
973 let ParserMatchClass = FPRasZPR<Width>;
974 let PrintMethod = "printZPRasFPR<" # Width # ">";
977 def FPR8asZPR : FPRasZPROperand<8>;
978 def FPR16asZPR : FPRasZPROperand<16>;
979 def FPR32asZPR : FPRasZPROperand<32>;
980 def FPR64asZPR : FPRasZPROperand<64>;
981 def FPR128asZPR : FPRasZPROperand<128>;
983 let Namespace = "AArch64" in {
984 def zsub0 : SubRegIndex<128, -1>;
985 def zsub1 : SubRegIndex<128, -1>;
986 def zsub2 : SubRegIndex<128, -1>;
987 def zsub3 : SubRegIndex<128, -1>;
990 // Pairs, triples, and quads of SVE vector registers.
991 def ZSeqPairs : RegisterTuples<[zsub0, zsub1], [(rotl ZPR, 0), (rotl ZPR, 1)]>;
992 def ZSeqTriples : RegisterTuples<[zsub0, zsub1, zsub2], [(rotl ZPR, 0), (rotl ZPR, 1), (rotl ZPR, 2)]>;
993 def ZSeqQuads : RegisterTuples<[zsub0, zsub1, zsub2, zsub3], [(rotl ZPR, 0), (rotl ZPR, 1), (rotl ZPR, 2), (rotl ZPR, 3)]>;
995 def ZPR2 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqPairs)> {
998 def ZPR3 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqTriples)> {
1001 def ZPR4 : RegisterClass<"AArch64", [untyped], 128, (add ZSeqQuads)> {
1005 class ZPRVectorList<int ElementWidth, int NumRegs> : AsmOperandClass {
1006 let Name = "SVEVectorList" # NumRegs # ElementWidth;
1007 let ParserMethod = "tryParseVectorList<RegKind::SVEDataVector>";
1008 let PredicateMethod =
1009 "isTypedVectorList<RegKind::SVEDataVector, " #NumRegs #", 0, " #ElementWidth #">";
1010 let RenderMethod = "addVectorListOperands<AArch64Operand::VecListIdx_ZReg, " # NumRegs # ">";
1013 def Z_b : RegisterOperand<ZPR, "printTypedVectorList<0,'b'>"> {
1014 let ParserMatchClass = ZPRVectorList<8, 1>;
1017 def Z_h : RegisterOperand<ZPR, "printTypedVectorList<0,'h'>"> {
1018 let ParserMatchClass = ZPRVectorList<16, 1>;
1021 def Z_s : RegisterOperand<ZPR, "printTypedVectorList<0,'s'>"> {
1022 let ParserMatchClass = ZPRVectorList<32, 1>;
1025 def Z_d : RegisterOperand<ZPR, "printTypedVectorList<0,'d'>"> {
1026 let ParserMatchClass = ZPRVectorList<64, 1>;
1029 def ZZ_b : RegisterOperand<ZPR2, "printTypedVectorList<0,'b'>"> {
1030 let ParserMatchClass = ZPRVectorList<8, 2>;
1033 def ZZ_h : RegisterOperand<ZPR2, "printTypedVectorList<0,'h'>"> {
1034 let ParserMatchClass = ZPRVectorList<16, 2>;
1037 def ZZ_s : RegisterOperand<ZPR2, "printTypedVectorList<0,'s'>"> {
1038 let ParserMatchClass = ZPRVectorList<32, 2>;
1041 def ZZ_d : RegisterOperand<ZPR2, "printTypedVectorList<0,'d'>"> {
1042 let ParserMatchClass = ZPRVectorList<64, 2>;
1045 def ZZZ_b : RegisterOperand<ZPR3, "printTypedVectorList<0,'b'>"> {
1046 let ParserMatchClass = ZPRVectorList<8, 3>;
1049 def ZZZ_h : RegisterOperand<ZPR3, "printTypedVectorList<0,'h'>"> {
1050 let ParserMatchClass = ZPRVectorList<16, 3>;
1053 def ZZZ_s : RegisterOperand<ZPR3, "printTypedVectorList<0,'s'>"> {
1054 let ParserMatchClass = ZPRVectorList<32, 3>;
1057 def ZZZ_d : RegisterOperand<ZPR3, "printTypedVectorList<0,'d'>"> {
1058 let ParserMatchClass = ZPRVectorList<64, 3>;
1061 def ZZZZ_b : RegisterOperand<ZPR4, "printTypedVectorList<0,'b'>"> {
1062 let ParserMatchClass = ZPRVectorList<8, 4>;
1065 def ZZZZ_h : RegisterOperand<ZPR4, "printTypedVectorList<0,'h'>"> {
1066 let ParserMatchClass = ZPRVectorList<16, 4>;
1069 def ZZZZ_s : RegisterOperand<ZPR4, "printTypedVectorList<0,'s'>"> {
1070 let ParserMatchClass = ZPRVectorList<32, 4>;
1073 def ZZZZ_d : RegisterOperand<ZPR4, "printTypedVectorList<0,'d'>"> {
1074 let ParserMatchClass = ZPRVectorList<64, 4>;
1077 class ZPRExtendAsmOperand<string ShiftExtend, int RegWidth, int Scale,
1078 bit ScaleAlwaysSame = 0b0> : AsmOperandClass {
1079 let Name = "ZPRExtend" # ShiftExtend # RegWidth # Scale
1080 # !if(ScaleAlwaysSame, "Only", "");
1082 let PredicateMethod = "isSVEDataVectorRegWithShiftExtend<"
1083 # RegWidth # ", AArch64::ZPRRegClassID, "
1084 # "AArch64_AM::" # ShiftExtend # ", "
1086 # !if(ScaleAlwaysSame, "true", "false")
1088 let DiagnosticType = "InvalidZPR" # RegWidth # ShiftExtend # Scale;
1089 let RenderMethod = "addRegOperands";
1090 let ParserMethod = "tryParseSVEDataVector<true, true>";
1093 class ZPRExtendRegisterOperand<bit SignExtend, bit IsLSL, string Repr,
1094 int RegWidth, int Scale, string Suffix = "">
1095 : RegisterOperand<ZPR> {
1096 let ParserMatchClass =
1097 !cast<AsmOperandClass>("ZPR" # RegWidth # "AsmOpndExt" # Repr # Scale # Suffix);
1098 let PrintMethod = "printRegWithShiftExtend<"
1099 # !if(SignExtend, "true", "false") # ", "
1101 # !if(IsLSL, "'x'", "'w'") # ", "
1102 # !if(!eq(RegWidth, 32), "'s'", "'d'") # ">";
1105 foreach RegWidth = [32, 64] in {
1107 def ZPR#RegWidth#AsmOpndExtUXTW8Only : ZPRExtendAsmOperand<"UXTW", RegWidth, 8, 0b1>;
1108 def ZPR#RegWidth#AsmOpndExtUXTW8 : ZPRExtendAsmOperand<"UXTW", RegWidth, 8>;
1109 def ZPR#RegWidth#AsmOpndExtUXTW16 : ZPRExtendAsmOperand<"UXTW", RegWidth, 16>;
1110 def ZPR#RegWidth#AsmOpndExtUXTW32 : ZPRExtendAsmOperand<"UXTW", RegWidth, 32>;
1111 def ZPR#RegWidth#AsmOpndExtUXTW64 : ZPRExtendAsmOperand<"UXTW", RegWidth, 64>;
1113 def ZPR#RegWidth#ExtUXTW8Only : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 8, "Only">;
1114 def ZPR#RegWidth#ExtUXTW8 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 8>;
1115 def ZPR#RegWidth#ExtUXTW16 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 16>;
1116 def ZPR#RegWidth#ExtUXTW32 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 32>;
1117 def ZPR#RegWidth#ExtUXTW64 : ZPRExtendRegisterOperand<0b0, 0b0, "UXTW", RegWidth, 64>;
1120 def ZPR#RegWidth#AsmOpndExtSXTW8Only : ZPRExtendAsmOperand<"SXTW", RegWidth, 8, 0b1>;
1121 def ZPR#RegWidth#AsmOpndExtSXTW8 : ZPRExtendAsmOperand<"SXTW", RegWidth, 8>;
1122 def ZPR#RegWidth#AsmOpndExtSXTW16 : ZPRExtendAsmOperand<"SXTW", RegWidth, 16>;
1123 def ZPR#RegWidth#AsmOpndExtSXTW32 : ZPRExtendAsmOperand<"SXTW", RegWidth, 32>;
1124 def ZPR#RegWidth#AsmOpndExtSXTW64 : ZPRExtendAsmOperand<"SXTW", RegWidth, 64>;
1126 def ZPR#RegWidth#ExtSXTW8Only : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 8, "Only">;
1127 def ZPR#RegWidth#ExtSXTW8 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 8>;
1128 def ZPR#RegWidth#ExtSXTW16 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 16>;
1129 def ZPR#RegWidth#ExtSXTW32 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 32>;
1130 def ZPR#RegWidth#ExtSXTW64 : ZPRExtendRegisterOperand<0b1, 0b0, "SXTW", RegWidth, 64>;
1133 def ZPR#RegWidth#AsmOpndExtLSL8 : ZPRExtendAsmOperand<"LSL", RegWidth, 8>;
1134 def ZPR#RegWidth#AsmOpndExtLSL16 : ZPRExtendAsmOperand<"LSL", RegWidth, 16>;
1135 def ZPR#RegWidth#AsmOpndExtLSL32 : ZPRExtendAsmOperand<"LSL", RegWidth, 32>;
1136 def ZPR#RegWidth#AsmOpndExtLSL64 : ZPRExtendAsmOperand<"LSL", RegWidth, 64>;
1137 def ZPR#RegWidth#ExtLSL8 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 8>;
1138 def ZPR#RegWidth#ExtLSL16 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 16>;
1139 def ZPR#RegWidth#ExtLSL32 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 32>;
1140 def ZPR#RegWidth#ExtLSL64 : ZPRExtendRegisterOperand<0b0, 0b1, "LSL", RegWidth, 64>;
1143 class GPR64ShiftExtendAsmOperand <string AsmOperandName, int Scale, string RegClass> : AsmOperandClass {
1144 let Name = AsmOperandName # Scale;
1145 let PredicateMethod = "isGPR64WithShiftExtend<AArch64::"#RegClass#"RegClassID, " # Scale # ">";
1146 let DiagnosticType = "Invalid" # AsmOperandName # Scale;
1147 let RenderMethod = "addRegOperands";
1148 let ParserMethod = "tryParseGPROperand<true>";
1151 class GPR64ExtendRegisterOperand<string Name, int Scale, RegisterClass RegClass> : RegisterOperand<RegClass>{
1152 let ParserMatchClass = !cast<AsmOperandClass>(Name);
1153 let PrintMethod = "printRegWithShiftExtend<false, " # Scale # ", 'x', 0>";
1156 foreach Scale = [8, 16, 32, 64, 128] in {
1157 def GPR64shiftedAsmOpnd # Scale : GPR64ShiftExtendAsmOperand<"GPR64shifted", Scale, "GPR64">;
1158 def GPR64shifted # Scale : GPR64ExtendRegisterOperand<"GPR64shiftedAsmOpnd" # Scale, Scale, GPR64>;
1160 def GPR64NoXZRshiftedAsmOpnd # Scale : GPR64ShiftExtendAsmOperand<"GPR64NoXZRshifted", Scale, "GPR64common">;
1161 def GPR64NoXZRshifted # Scale : GPR64ExtendRegisterOperand<"GPR64NoXZRshiftedAsmOpnd" # Scale, Scale, GPR64common>;
1164 // Accumulator array tiles.
1165 def ZAQ0 : AArch64Reg<0, "za0.q">;
1166 def ZAQ1 : AArch64Reg<1, "za1.q">;
1167 def ZAQ2 : AArch64Reg<2, "za2.q">;
1168 def ZAQ3 : AArch64Reg<3, "za3.q">;
1169 def ZAQ4 : AArch64Reg<4, "za4.q">;
1170 def ZAQ5 : AArch64Reg<5, "za5.q">;
1171 def ZAQ6 : AArch64Reg<6, "za6.q">;
1172 def ZAQ7 : AArch64Reg<7, "za7.q">;
1173 def ZAQ8 : AArch64Reg<8, "za8.q">;
1174 def ZAQ9 : AArch64Reg<9, "za9.q">;
1175 def ZAQ10 : AArch64Reg<10, "za10.q">;
1176 def ZAQ11 : AArch64Reg<11, "za11.q">;
1177 def ZAQ12 : AArch64Reg<12, "za12.q">;
1178 def ZAQ13 : AArch64Reg<13, "za13.q">;
1179 def ZAQ14 : AArch64Reg<14, "za14.q">;
1180 def ZAQ15 : AArch64Reg<15, "za15.q">;
1182 let SubRegIndices = [zasubq0, zasubq1] in {
1183 def ZAD0 : AArch64Reg<0, "za0.d", [ZAQ0, ZAQ8]>;
1184 def ZAD1 : AArch64Reg<1, "za1.d", [ZAQ1, ZAQ9]>;
1185 def ZAD2 : AArch64Reg<2, "za2.d", [ZAQ2, ZAQ10]>;
1186 def ZAD3 : AArch64Reg<3, "za3.d", [ZAQ3, ZAQ11]>;
1187 def ZAD4 : AArch64Reg<4, "za4.d", [ZAQ4, ZAQ12]>;
1188 def ZAD5 : AArch64Reg<5, "za5.d", [ZAQ5, ZAQ13]>;
1189 def ZAD6 : AArch64Reg<6, "za6.d", [ZAQ6, ZAQ14]>;
1190 def ZAD7 : AArch64Reg<7, "za7.d", [ZAQ7, ZAQ15]>;
1193 let SubRegIndices = [zasubd0, zasubd1] in {
1194 def ZAS0 : AArch64Reg<0, "za0.s", [ZAD0, ZAD4]>;
1195 def ZAS1 : AArch64Reg<1, "za1.s", [ZAD1, ZAD5]>;
1196 def ZAS2 : AArch64Reg<2, "za2.s", [ZAD2, ZAD6]>;
1197 def ZAS3 : AArch64Reg<3, "za3.s", [ZAD3, ZAD7]>;
1200 let SubRegIndices = [zasubs0, zasubs1] in {
1201 def ZAH0 : AArch64Reg<0, "za0.h", [ZAS0, ZAS2]>;
1202 def ZAH1 : AArch64Reg<1, "za1.h", [ZAS1, ZAS3]>;
1205 let SubRegIndices = [zasubh0, zasubh1] in {
1206 def ZAB0 : AArch64Reg<0, "za0.b", [ZAH0, ZAH1]>;
1209 let SubRegIndices = [zasubb] in {
1210 def ZA : AArch64Reg<0, "za", [ZAB0]>;
1213 // SME Register Classes
1215 // Accumulator array
1216 def MPR : RegisterClass<"AArch64", [untyped], 2048, (add ZA)> {
1220 // Accumulator array as single tiles
1221 def MPR8 : RegisterClass<"AArch64", [untyped], 2048, (add (sequence "ZAB%u", 0, 0))> {
1224 def MPR16 : RegisterClass<"AArch64", [untyped], 1024, (add (sequence "ZAH%u", 0, 1))> {
1227 def MPR32 : RegisterClass<"AArch64", [untyped], 512, (add (sequence "ZAS%u", 0, 3))> {
1230 def MPR64 : RegisterClass<"AArch64", [untyped], 256, (add (sequence "ZAD%u", 0, 7))> {
1233 def MPR128 : RegisterClass<"AArch64", [untyped], 128, (add (sequence "ZAQ%u", 0, 15))> {
1237 // SME Register Operands
1238 // There are three types of SME matrix register operands:
1241 // These tiles make up the larger accumulator matrix. The tile representation
1242 // has an element type suffix, e.g. za0.b or za15.q and can be any of the
1252 // Their representation is similar to regular tiles, but they have an extra
1253 // 'h' or 'v' to tell how the vector at [reg+offset] is layed out in the tile,
1254 // horizontally or vertically.
1256 // e.g. za1h.h or za15v.q, which corresponds to vectors in registers ZAH1 and
1257 // ZAQ15, respectively. The horizontal/vertical is more a property of the
1258 // instruction, than a property of the asm-operand itself, or its register.
1259 // The distinction is required for the parsing/printing of the operand,
1260 // as from a compiler's perspective, the whole tile is read/written.
1262 // * Accumulator matrix:
1264 // This is the entire matrix accumulator register ZA (<=> ZAB0), printed as
1271 class MatrixTileAsmOperand<string RC, int EltSize> : AsmOperandClass {
1272 let Name = "MatrixTile" # EltSize;
1273 let DiagnosticType = "Invalid" # Name;
1274 let ParserMethod = "tryParseMatrixRegister";
1275 let RenderMethod = "addMatrixOperands";
1276 let PredicateMethod = "isMatrixRegOperand<"
1277 # "MatrixKind::Tile" # ", "
1278 # EltSize # ", AArch64::" # RC # "RegClassID>";
1281 class MatrixTileOperand<int EltSize, int NumBitsForTile, RegisterClass RC>
1282 : RegisterOperand<RC> {
1283 let ParserMatchClass = MatrixTileAsmOperand<!cast<string>(RC), EltSize>;
1284 let DecoderMethod = "DecodeMatrixTile<" # NumBitsForTile # ">";
1285 let PrintMethod = "printMatrixTile";
1288 def TileOp32 : MatrixTileOperand<32, 2, MPR32>;
1289 def TileOp64 : MatrixTileOperand<64, 3, MPR64>;
1292 // Tile vectors (horizontal and vertical)
1295 class MatrixTileVectorAsmOperand<string RC, int EltSize, int IsVertical>
1297 let Name = "MatrixTileVector" # !if(IsVertical, "V", "H") # EltSize;
1298 let DiagnosticType = "Invalid" # Name;
1299 let ParserMethod = "tryParseMatrixRegister";
1300 let RenderMethod = "addMatrixOperands";
1301 let PredicateMethod = "isMatrixRegOperand<"
1303 # !if(IsVertical, "Col", "Row") # ", "
1304 # EltSize # ", AArch64::" # RC # "RegClassID>";
1307 class MatrixTileVectorOperand<int EltSize, int NumBitsForTile,
1308 RegisterClass RC, int IsVertical>
1309 : RegisterOperand<RC> {
1310 let ParserMatchClass = MatrixTileVectorAsmOperand<!cast<string>(RC), EltSize,
1312 let DecoderMethod = "DecodeMatrixTile<" # NumBitsForTile # ">";
1313 let PrintMethod = "printMatrixTileVector<" # IsVertical # ">";
1316 def TileVectorOpH8 : MatrixTileVectorOperand< 8, 0, MPR8, 0>;
1317 def TileVectorOpH16 : MatrixTileVectorOperand< 16, 1, MPR16, 0>;
1318 def TileVectorOpH32 : MatrixTileVectorOperand< 32, 2, MPR32, 0>;
1319 def TileVectorOpH64 : MatrixTileVectorOperand< 64, 3, MPR64, 0>;
1320 def TileVectorOpH128 : MatrixTileVectorOperand<128, 4, MPR128, 0>;
1322 def TileVectorOpV8 : MatrixTileVectorOperand< 8, 0, MPR8, 1>;
1323 def TileVectorOpV16 : MatrixTileVectorOperand< 16, 1, MPR16, 1>;
1324 def TileVectorOpV32 : MatrixTileVectorOperand< 32, 2, MPR32, 1>;
1325 def TileVectorOpV64 : MatrixTileVectorOperand< 64, 3, MPR64, 1>;
1326 def TileVectorOpV128 : MatrixTileVectorOperand<128, 4, MPR128, 1>;
1329 // Accumulator matrix
1332 class MatrixAsmOperand<string RC, int EltSize> : AsmOperandClass {
1333 let Name = "Matrix";
1334 let DiagnosticType = "Invalid" # Name;
1335 let ParserMethod = "tryParseMatrixRegister";
1336 let RenderMethod = "addMatrixOperands";
1337 let PredicateMethod = "isMatrixRegOperand<"
1338 # "MatrixKind::Array" # ", "
1339 # EltSize # ", AArch64::" # RC # "RegClassID>";
1342 class MatrixOperand<RegisterClass RC, int EltSize> : RegisterOperand<RC> {
1343 let ParserMatchClass = MatrixAsmOperand<!cast<string>(RC), EltSize>;
1344 let PrintMethod = "printMatrix<" # EltSize # ">";
1347 def MatrixOp : MatrixOperand<MPR, 0>;
1349 class MatrixTileListAsmOperand : AsmOperandClass {
1350 let Name = "MatrixTileList";
1351 let ParserMethod = "tryParseMatrixTileList";
1352 let RenderMethod = "addMatrixTileListOperands";
1353 let PredicateMethod = "isMatrixTileList";
1356 class MatrixTileListOperand : Operand<i8> {
1357 let ParserMatchClass = MatrixTileListAsmOperand<>;
1358 let DecoderMethod = "DecodeMatrixTileListRegisterClass";
1359 let EncoderMethod = "EncodeMatrixTileListRegisterClass";
1360 let PrintMethod = "printMatrixTileList";
1363 def MatrixTileList : MatrixTileListOperand<>;
1365 def MatrixIndexGPR32_12_15 : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 12, 15)> {
1366 let DiagnosticType = "InvalidMatrixIndexGPR32_12_15";
1368 def MatrixIndexGPR32Op12_15 : RegisterOperand<MatrixIndexGPR32_12_15> {
1369 let EncoderMethod = "encodeMatrixIndexGPR32";
1372 def SVCROperand : AsmOperandClass {
1374 let ParserMethod = "tryParseSVCR";
1375 let DiagnosticType = "Invalid" # Name;
1378 def svcr_op : Operand<i32> {
1379 let ParserMatchClass = SVCROperand;
1380 let PrintMethod = "printSVCROp";
1381 let DecoderMethod = "DecodeSVCROp";
1382 let MCOperandPredicate = [{
1385 return AArch64SVCR::lookupSVCRByEncoding(MCOp.getImm()) != nullptr;