1 //===- SystemZRegisterInfo.td - The PowerPC Register File ------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
13 class SystemZReg<string n> : Register<n> {
14 let Namespace = "SystemZ";
17 class SystemZRegWithSubregs<string n, list<Register> subregs>
18 : RegisterWithSubRegs<n, subregs> {
19 let Namespace = "SystemZ";
22 // We identify all our registers with a 4-bit ID, for consistency's sake.
24 // GPR32 - Lower 32 bits of one of the 16 64-bit general-purpose registers
25 class GPR32<bits<4> num, string n> : SystemZReg<n> {
26 field bits<4> Num = num;
29 // GPR64 - One of the 16 64-bit general-purpose registers
30 class GPR64<bits<4> num, string n, list<Register> subregs>
31 : SystemZRegWithSubregs<n, subregs> {
32 field bits<4> Num = num;
35 // GPR128 - 8 even-odd register pairs
36 class GPR128<bits<4> num, string n, list<Register> subregs>
37 : SystemZRegWithSubregs<n, subregs> {
38 field bits<4> Num = num;
41 // FPR - One of the 16 64-bit floating-point registers
42 class FPR<bits<4> num, string n> : SystemZReg<n> {
43 field bits<4> Num = num;
46 // General-purpose registers
47 def R0W : GPR32< 0, "r0">, DwarfRegNum<[0]>;
48 def R1W : GPR32< 1, "r1">, DwarfRegNum<[1]>;
49 def R2W : GPR32< 2, "r2">, DwarfRegNum<[2]>;
50 def R3W : GPR32< 3, "r3">, DwarfRegNum<[3]>;
51 def R4W : GPR32< 4, "r4">, DwarfRegNum<[4]>;
52 def R5W : GPR32< 5, "r5">, DwarfRegNum<[5]>;
53 def R6W : GPR32< 6, "r6">, DwarfRegNum<[6]>;
54 def R7W : GPR32< 7, "r7">, DwarfRegNum<[7]>;
55 def R8W : GPR32< 8, "r8">, DwarfRegNum<[8]>;
56 def R9W : GPR32< 9, "r9">, DwarfRegNum<[9]>;
57 def R10W : GPR32<10, "r10">, DwarfRegNum<[10]>;
58 def R11W : GPR32<11, "r11">, DwarfRegNum<[11]>;
59 def R12W : GPR32<12, "r12">, DwarfRegNum<[12]>;
60 def R13W : GPR32<13, "r13">, DwarfRegNum<[13]>;
61 def R14W : GPR32<14, "r14">, DwarfRegNum<[14]>;
62 def R15W : GPR32<15, "r15">, DwarfRegNum<[15]>;
64 def R0D : GPR64< 0, "r0", [R0W]>, DwarfRegNum<[0]>;
65 def R1D : GPR64< 1, "r1", [R1W]>, DwarfRegNum<[1]>;
66 def R2D : GPR64< 2, "r2", [R2W]>, DwarfRegNum<[2]>;
67 def R3D : GPR64< 3, "r3", [R3W]>, DwarfRegNum<[3]>;
68 def R4D : GPR64< 4, "r4", [R4W]>, DwarfRegNum<[4]>;
69 def R5D : GPR64< 5, "r5", [R5W]>, DwarfRegNum<[5]>;
70 def R6D : GPR64< 6, "r6", [R6W]>, DwarfRegNum<[6]>;
71 def R7D : GPR64< 7, "r7", [R7W]>, DwarfRegNum<[7]>;
72 def R8D : GPR64< 8, "r8", [R8W]>, DwarfRegNum<[8]>;
73 def R9D : GPR64< 9, "r9", [R9W]>, DwarfRegNum<[9]>;
74 def R10D : GPR64<10, "r10", [R10W]>, DwarfRegNum<[10]>;
75 def R11D : GPR64<11, "r11", [R11W]>, DwarfRegNum<[11]>;
76 def R12D : GPR64<12, "r12", [R12W]>, DwarfRegNum<[12]>;
77 def R13D : GPR64<13, "r13", [R13W]>, DwarfRegNum<[13]>;
78 def R14D : GPR64<14, "r14", [R14W]>, DwarfRegNum<[14]>;
79 def R15D : GPR64<15, "r15", [R15W]>, DwarfRegNum<[15]>;
82 def R0Q : GPR128< 0, "r0", [R0D, R1D]>, DwarfRegNum<[0]>;
83 def R2Q : GPR128< 2, "r2", [R2D, R3D]>, DwarfRegNum<[2]>;
84 def R4Q : GPR128< 4, "r4", [R4D, R5D]>, DwarfRegNum<[4]>;
85 def R6Q : GPR128< 6, "r6", [R6D, R7D]>, DwarfRegNum<[6]>;
86 def R8Q : GPR128< 8, "r8", [R8D, R9D]>, DwarfRegNum<[8]>;
87 def R10Q : GPR128<10, "r10", [R10D, R11D]>, DwarfRegNum<[10]>;
88 def R12Q : GPR128<12, "r12", [R12D, R13D]>, DwarfRegNum<[12]>;
89 def R14Q : GPR128<14, "r14", [R14D, R15D]>, DwarfRegNum<[14]>;
91 // Floating-point registers
92 def F0 : FPR< 0, "f0">, DwarfRegNum<[16]>;
93 def F1 : FPR< 1, "f1">, DwarfRegNum<[17]>;
94 def F2 : FPR< 2, "f2">, DwarfRegNum<[18]>;
95 def F3 : FPR< 3, "f3">, DwarfRegNum<[19]>;
96 def F4 : FPR< 4, "f4">, DwarfRegNum<[20]>;
97 def F5 : FPR< 5, "f5">, DwarfRegNum<[21]>;
98 def F6 : FPR< 6, "f6">, DwarfRegNum<[22]>;
99 def F7 : FPR< 7, "f7">, DwarfRegNum<[23]>;
100 def F8 : FPR< 8, "f8">, DwarfRegNum<[24]>;
101 def F9 : FPR< 9, "f9">, DwarfRegNum<[25]>;
102 def F10 : FPR<10, "f10">, DwarfRegNum<[26]>;
103 def F11 : FPR<11, "f11">, DwarfRegNum<[27]>;
104 def F12 : FPR<12, "f12">, DwarfRegNum<[28]>;
105 def F13 : FPR<13, "f13">, DwarfRegNum<[29]>;
106 def F14 : FPR<14, "f14">, DwarfRegNum<[30]>;
107 def F15 : FPR<15, "f15">, DwarfRegNum<[31]>;
110 def PSW : SystemZReg<"psw">;
112 def subreg_32bit : PatLeaf<(i32 1)>;
113 def subreg_64even : PatLeaf<(i32 2)>;
114 def subreg_64odd : PatLeaf<(i32 3)>;
116 def : SubRegSet<1, [R0D, R1D, R2D, R3D, R4D, R5D, R6D, R7D,
117 R8D, R9D, R10D, R11D, R12D, R13D, R14D, R15D],
118 [R0W, R1W, R2W, R3W, R4W, R5W, R6W, R7W,
119 R8W, R9W, R10W, R11W, R12W, R13W, R14W, R15W]>;
121 def : SubRegSet<2, [R0Q, R2Q, R4Q, R6Q, R8Q, R10Q, R12Q, R14Q],
122 [R0D, R2D, R4D, R6D, R8D, R10D, R12D, R14D]>;
124 def : SubRegSet<3, [R0Q, R2Q, R4Q, R6Q, R8Q, R10Q, R12Q, R14Q],
125 [R1D, R3D, R5D, R7D, R9D, R11D, R13D, R15D]>;
128 def GR32 : RegisterClass<"SystemZ", [i32], 32,
129 // Volatile registers
130 [R0D, R1W, R2W, R3W, R4W, R5W, R6W, R7W, R8W, R9W, R10W, R12W, R13W,
131 // Frame pointer, sometimes allocable
133 // Volatile, but not allocable
136 let MethodProtos = [{
137 iterator allocation_order_begin(const MachineFunction &MF) const;
138 iterator allocation_order_end(const MachineFunction &MF) const;
140 let MethodBodies = [{
141 static const unsigned SystemZ_REG32[] = {
142 SystemZ::R1W, SystemZ::R2W, SystemZ::R3W, SystemZ::R4W,
143 SystemZ::R5W, SystemZ::R0W, SystemZ::R12W, SystemZ::R11W,
144 SystemZ::R10W, SystemZ::R9W, SystemZ::R8W, SystemZ::R7W,
145 SystemZ::R6W, SystemZ::R14W, SystemZ::R13W
147 static const unsigned SystemZ_REG32_nofp[] = {
148 SystemZ::R1W, SystemZ::R2W, SystemZ::R3W, SystemZ::R4W,
149 SystemZ::R5W, SystemZ::R0W, SystemZ::R12W, /* No R11W */
150 SystemZ::R10W, SystemZ::R9W, SystemZ::R8W, SystemZ::R7W,
151 SystemZ::R6W, SystemZ::R14W, SystemZ::R13W
154 GR32Class::allocation_order_begin(const MachineFunction &MF) const {
155 const TargetMachine &TM = MF.getTarget();
156 const TargetRegisterInfo *RI = TM.getRegisterInfo();
158 return SystemZ_REG32_nofp;
160 return SystemZ_REG32;
163 GR32Class::allocation_order_end(const MachineFunction &MF) const {
164 const TargetMachine &TM = MF.getTarget();
165 const TargetRegisterInfo *RI = TM.getRegisterInfo();
167 return SystemZ_REG32_nofp + (sizeof(SystemZ_REG32_nofp) / sizeof(unsigned));
169 return SystemZ_REG32 + (sizeof(SystemZ_REG32) / sizeof(unsigned));
174 /// Registers used to generate address. Everything except R0.
175 def ADDR32 : RegisterClass<"SystemZ", [i32], 32,
176 // Volatile registers
177 [R1W, R2W, R3W, R4W, R5W, R6W, R7W, R8W, R9W, R10W, R12W, R13W,
178 // Frame pointer, sometimes allocable
180 // Volatile, but not allocable
183 let MethodProtos = [{
184 iterator allocation_order_begin(const MachineFunction &MF) const;
185 iterator allocation_order_end(const MachineFunction &MF) const;
187 let MethodBodies = [{
188 static const unsigned SystemZ_ADDR32[] = {
189 SystemZ::R1W, SystemZ::R2W, SystemZ::R3W, SystemZ::R4W,
190 SystemZ::R5W, /* No R0W */ SystemZ::R12W, SystemZ::R11W,
191 SystemZ::R10W, SystemZ::R9W, SystemZ::R8W, SystemZ::R7W,
192 SystemZ::R6W, SystemZ::R14W, SystemZ::R13W
194 static const unsigned SystemZ_ADDR32_nofp[] = {
195 SystemZ::R1W, SystemZ::R2W, SystemZ::R3W, SystemZ::R4W,
196 SystemZ::R5W, /* No R0W */ SystemZ::R12W, /* No R11W */
197 SystemZ::R10W, SystemZ::R9W, SystemZ::R8W, SystemZ::R7W,
198 SystemZ::R6W, SystemZ::R14W, SystemZ::R13W
200 ADDR32Class::iterator
201 ADDR32Class::allocation_order_begin(const MachineFunction &MF) const {
202 const TargetMachine &TM = MF.getTarget();
203 const TargetRegisterInfo *RI = TM.getRegisterInfo();
205 return SystemZ_ADDR32_nofp;
207 return SystemZ_ADDR32;
209 ADDR32Class::iterator
210 ADDR32Class::allocation_order_end(const MachineFunction &MF) const {
211 const TargetMachine &TM = MF.getTarget();
212 const TargetRegisterInfo *RI = TM.getRegisterInfo();
214 return SystemZ_ADDR32_nofp + (sizeof(SystemZ_ADDR32_nofp) / sizeof(unsigned));
216 return SystemZ_ADDR32 + (sizeof(SystemZ_ADDR32) / sizeof(unsigned));
221 def GR64 : RegisterClass<"SystemZ", [i64], 64,
222 // Volatile registers
223 [R0D, R1D, R2D, R3D, R4D, R5D, R6D, R7D, R8D, R9D, R10D, R12D, R13D,
224 // Frame pointer, sometimes allocable
226 // Volatile, but not allocable
229 let SubRegClassList = [GR32];
230 let MethodProtos = [{
231 iterator allocation_order_begin(const MachineFunction &MF) const;
232 iterator allocation_order_end(const MachineFunction &MF) const;
234 let MethodBodies = [{
235 static const unsigned SystemZ_REG64[] = {
236 SystemZ::R1D, SystemZ::R2D, SystemZ::R3D, SystemZ::R4D,
237 SystemZ::R5D, SystemZ::R0D, SystemZ::R12D, SystemZ::R11D,
238 SystemZ::R10D, SystemZ::R9D, SystemZ::R8D, SystemZ::R7D,
239 SystemZ::R6D, SystemZ::R14D, SystemZ::R13D
241 static const unsigned SystemZ_REG64_nofp[] = {
242 SystemZ::R1D, SystemZ::R2D, SystemZ::R3D, SystemZ::R4D,
243 SystemZ::R5D, SystemZ::R0D, SystemZ::R12D, /* No R11D */
244 SystemZ::R10D, SystemZ::R9D, SystemZ::R8D, SystemZ::R7D,
245 SystemZ::R6D, SystemZ::R14D, SystemZ::R13D
248 GR64Class::allocation_order_begin(const MachineFunction &MF) const {
249 const TargetMachine &TM = MF.getTarget();
250 const TargetRegisterInfo *RI = TM.getRegisterInfo();
252 return SystemZ_REG64_nofp;
254 return SystemZ_REG64;
257 GR64Class::allocation_order_end(const MachineFunction &MF) const {
258 const TargetMachine &TM = MF.getTarget();
259 const TargetRegisterInfo *RI = TM.getRegisterInfo();
261 return SystemZ_REG64_nofp + (sizeof(SystemZ_REG64_nofp) / sizeof(unsigned));
263 return SystemZ_REG64 + (sizeof(SystemZ_REG64) / sizeof(unsigned));
268 def ADDR64 : RegisterClass<"SystemZ", [i64], 64,
269 // Volatile registers
270 [R1D, R2D, R3D, R4D, R5D, R6D, R7D, R8D, R9D, R10D, R12D, R13D,
271 // Frame pointer, sometimes allocable
273 // Volatile, but not allocable
276 let SubRegClassList = [ADDR32];
277 let MethodProtos = [{
278 iterator allocation_order_begin(const MachineFunction &MF) const;
279 iterator allocation_order_end(const MachineFunction &MF) const;
281 let MethodBodies = [{
282 static const unsigned SystemZ_ADDR64[] = {
283 SystemZ::R1D, SystemZ::R2D, SystemZ::R3D, SystemZ::R4D,
284 SystemZ::R5D, /* No R0D */ SystemZ::R12D, SystemZ::R11D,
285 SystemZ::R10D, SystemZ::R9D, SystemZ::R8D, SystemZ::R7D,
286 SystemZ::R6D, SystemZ::R14D, SystemZ::R13D
288 static const unsigned SystemZ_ADDR64_nofp[] = {
289 SystemZ::R1D, SystemZ::R2D, SystemZ::R3D, SystemZ::R4D,
290 SystemZ::R5D, /* No R0D */ SystemZ::R12D, /* No R11D */
291 SystemZ::R10D, SystemZ::R9D, SystemZ::R8D, SystemZ::R7D,
292 SystemZ::R6D, SystemZ::R14D, SystemZ::R13D
294 ADDR64Class::iterator
295 ADDR64Class::allocation_order_begin(const MachineFunction &MF) const {
296 const TargetMachine &TM = MF.getTarget();
297 const TargetRegisterInfo *RI = TM.getRegisterInfo();
299 return SystemZ_ADDR64_nofp;
301 return SystemZ_ADDR64;
303 ADDR64Class::iterator
304 ADDR64Class::allocation_order_end(const MachineFunction &MF) const {
305 const TargetMachine &TM = MF.getTarget();
306 const TargetRegisterInfo *RI = TM.getRegisterInfo();
308 return SystemZ_ADDR64_nofp + (sizeof(SystemZ_ADDR64_nofp) / sizeof(unsigned));
310 return SystemZ_ADDR64 + (sizeof(SystemZ_ADDR64) / sizeof(unsigned));
315 // Even-odd register pairs
316 def GR128 : RegisterClass<"SystemZ", [i128], 128,
317 [R0Q, R2Q, R4Q, R6Q, R8Q, R10Q, R12Q, R14Q]>
319 let SubRegClassList = [GR64, GR64];
320 let MethodProtos = [{
321 iterator allocation_order_begin(const MachineFunction &MF) const;
322 iterator allocation_order_end(const MachineFunction &MF) const;
324 let MethodBodies = [{
325 static const unsigned SystemZ_REG128[] = {
326 SystemZ::R0Q, SystemZ::R2Q, SystemZ::R4Q, SystemZ::R10Q,
327 SystemZ::R8Q, SystemZ::R6Q };
328 static const unsigned SystemZ_REG128_nofp[] = {
329 SystemZ::R0Q, SystemZ::R2Q, SystemZ::R4Q, /* NO R10Q */
330 SystemZ::R8Q, SystemZ::R6Q };
332 GR128Class::allocation_order_begin(const MachineFunction &MF) const {
333 const TargetMachine &TM = MF.getTarget();
334 const TargetRegisterInfo *RI = TM.getRegisterInfo();
336 return SystemZ_REG128_nofp;
338 return SystemZ_REG128;
341 GR128Class::allocation_order_end(const MachineFunction &MF) const {
342 const TargetMachine &TM = MF.getTarget();
343 const TargetRegisterInfo *RI = TM.getRegisterInfo();
345 return SystemZ_REG128_nofp + (sizeof(SystemZ_REG128_nofp) / sizeof(unsigned));
347 return SystemZ_REG128 + (sizeof(SystemZ_REG128) / sizeof(unsigned));
352 def FP64 : RegisterClass<"SystemZ", [f64], 64,
353 [F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15]>;
355 // Status flags registers.
356 def CCR : RegisterClass<"SystemZ", [i64], 64, [PSW]> {
357 let CopyCost = -1; // Don't allow copying of status registers.