1 //===- AlphaRegisterInfo.td - The Alpha 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 //===----------------------------------------------------------------------===//
10 // This file describes the Alpha register set.
12 //===----------------------------------------------------------------------===//
14 class AlphaReg<string n> : Register<n> {
16 let Namespace = "Alpha";
19 // We identify all our registers with a 5-bit ID, for consistency's sake.
21 // GPR - One of the 32 32-bit general-purpose registers
22 class GPR<bits<5> num, string n> : AlphaReg<n> {
26 // FPR - One of the 32 64-bit floating-point registers
27 class FPR<bits<5> num, string n> : AlphaReg<n> {
37 // General-purpose registers
38 def R0 : GPR< 0, "$0">, DwarfRegNum<[0]>;
39 def R1 : GPR< 1, "$1">, DwarfRegNum<[1]>;
40 def R2 : GPR< 2, "$2">, DwarfRegNum<[2]>;
41 def R3 : GPR< 3, "$3">, DwarfRegNum<[3]>;
42 def R4 : GPR< 4, "$4">, DwarfRegNum<[4]>;
43 def R5 : GPR< 5, "$5">, DwarfRegNum<[5]>;
44 def R6 : GPR< 6, "$6">, DwarfRegNum<[6]>;
45 def R7 : GPR< 7, "$7">, DwarfRegNum<[7]>;
46 def R8 : GPR< 8, "$8">, DwarfRegNum<[8]>;
47 def R9 : GPR< 9, "$9">, DwarfRegNum<[9]>;
48 def R10 : GPR<10, "$10">, DwarfRegNum<[10]>;
49 def R11 : GPR<11, "$11">, DwarfRegNum<[11]>;
50 def R12 : GPR<12, "$12">, DwarfRegNum<[12]>;
51 def R13 : GPR<13, "$13">, DwarfRegNum<[13]>;
52 def R14 : GPR<14, "$14">, DwarfRegNum<[14]>;
53 def R15 : GPR<15, "$15">, DwarfRegNum<[15]>;
54 def R16 : GPR<16, "$16">, DwarfRegNum<[16]>;
55 def R17 : GPR<17, "$17">, DwarfRegNum<[17]>;
56 def R18 : GPR<18, "$18">, DwarfRegNum<[18]>;
57 def R19 : GPR<19, "$19">, DwarfRegNum<[19]>;
58 def R20 : GPR<20, "$20">, DwarfRegNum<[20]>;
59 def R21 : GPR<21, "$21">, DwarfRegNum<[21]>;
60 def R22 : GPR<22, "$22">, DwarfRegNum<[22]>;
61 def R23 : GPR<23, "$23">, DwarfRegNum<[23]>;
62 def R24 : GPR<24, "$24">, DwarfRegNum<[24]>;
63 def R25 : GPR<25, "$25">, DwarfRegNum<[25]>;
64 def R26 : GPR<26, "$26">, DwarfRegNum<[26]>;
65 def R27 : GPR<27, "$27">, DwarfRegNum<[27]>;
66 def R28 : GPR<28, "$28">, DwarfRegNum<[28]>;
67 def R29 : GPR<29, "$29">, DwarfRegNum<[29]>;
68 def R30 : GPR<30, "$30">, DwarfRegNum<[30]>;
69 def R31 : GPR<31, "$31">, DwarfRegNum<[31]>;
71 // Floating-point registers
72 def F0 : FPR< 0, "$f0">, DwarfRegNum<[33]>;
73 def F1 : FPR< 1, "$f1">, DwarfRegNum<[34]>;
74 def F2 : FPR< 2, "$f2">, DwarfRegNum<[35]>;
75 def F3 : FPR< 3, "$f3">, DwarfRegNum<[36]>;
76 def F4 : FPR< 4, "$f4">, DwarfRegNum<[37]>;
77 def F5 : FPR< 5, "$f5">, DwarfRegNum<[38]>;
78 def F6 : FPR< 6, "$f6">, DwarfRegNum<[39]>;
79 def F7 : FPR< 7, "$f7">, DwarfRegNum<[40]>;
80 def F8 : FPR< 8, "$f8">, DwarfRegNum<[41]>;
81 def F9 : FPR< 9, "$f9">, DwarfRegNum<[42]>;
82 def F10 : FPR<10, "$f10">, DwarfRegNum<[43]>;
83 def F11 : FPR<11, "$f11">, DwarfRegNum<[44]>;
84 def F12 : FPR<12, "$f12">, DwarfRegNum<[45]>;
85 def F13 : FPR<13, "$f13">, DwarfRegNum<[46]>;
86 def F14 : FPR<14, "$f14">, DwarfRegNum<[47]>;
87 def F15 : FPR<15, "$f15">, DwarfRegNum<[48]>;
88 def F16 : FPR<16, "$f16">, DwarfRegNum<[49]>;
89 def F17 : FPR<17, "$f17">, DwarfRegNum<[50]>;
90 def F18 : FPR<18, "$f18">, DwarfRegNum<[51]>;
91 def F19 : FPR<19, "$f19">, DwarfRegNum<[52]>;
92 def F20 : FPR<20, "$f20">, DwarfRegNum<[53]>;
93 def F21 : FPR<21, "$f21">, DwarfRegNum<[54]>;
94 def F22 : FPR<22, "$f22">, DwarfRegNum<[55]>;
95 def F23 : FPR<23, "$f23">, DwarfRegNum<[56]>;
96 def F24 : FPR<24, "$f24">, DwarfRegNum<[57]>;
97 def F25 : FPR<25, "$f25">, DwarfRegNum<[58]>;
98 def F26 : FPR<26, "$f26">, DwarfRegNum<[59]>;
99 def F27 : FPR<27, "$f27">, DwarfRegNum<[60]>;
100 def F28 : FPR<28, "$f28">, DwarfRegNum<[61]>;
101 def F29 : FPR<29, "$f29">, DwarfRegNum<[62]>;
102 def F30 : FPR<30, "$f30">, DwarfRegNum<[63]>;
103 def F31 : FPR<31, "$f31">, DwarfRegNum<[64]>;
110 // $28 is undefined after any and all calls
113 def GPRC : RegisterClass<"Alpha", [i64], 64, (add
115 R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19, R20, R21, R22,
117 //Special meaning, but volatile
118 R27, //procedure address
119 R26, //return address
120 R29, //global offset table address
122 R9, R10, R11, R12, R13, R14,
123 // Don't allocate 15, 30, 31
124 R15, R30, R31)>; //zero
126 def F4RC : RegisterClass<"Alpha", [f32], 64, (add F0, F1,
127 F10, F11, F12, F13, F14, F15, F16, F17, F18, F19,
128 F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30,
130 F2, F3, F4, F5, F6, F7, F8, F9,
133 def F8RC : RegisterClass<"Alpha", [f64], 64, (add F4RC)>;