1 //===- SparcRegisterInfo.td - Sparc Register defs ----------*- 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 //===----------------------------------------------------------------------===//
11 // Declarations that describe the Sparc register file
12 //===----------------------------------------------------------------------===//
14 class SparcReg<string n> : Register<n> {
19 // Registers are identified with 5-bit ID numbers.
20 // Ri - 32-bit integer registers
21 class Ri<bits<5> num, string n> : SparcReg<n> {
24 // Rf - 32-bit floating-point registers
25 class Rf<bits<5> num, string n> : SparcReg<n> {
28 // Rd - Slots in the FP register file for 64-bit floating-point values.
29 class Rd<bits<5> num, string n, list<Register> subregs> : SparcReg<n> {
31 let SubRegs = subregs;
35 def G0 : Ri< 0, "G0">, DwarfRegNum<[0]>;
36 def G1 : Ri< 1, "G1">, DwarfRegNum<[1]>;
37 def G2 : Ri< 2, "G2">, DwarfRegNum<[2]>;
38 def G3 : Ri< 3, "G3">, DwarfRegNum<[3]>;
39 def G4 : Ri< 4, "G4">, DwarfRegNum<[4]>;
40 def G5 : Ri< 5, "G5">, DwarfRegNum<[5]>;
41 def G6 : Ri< 6, "G6">, DwarfRegNum<[6]>;
42 def G7 : Ri< 7, "G7">, DwarfRegNum<[7]>;
43 def O0 : Ri< 8, "O0">, DwarfRegNum<[8]>;
44 def O1 : Ri< 9, "O1">, DwarfRegNum<[9]>;
45 def O2 : Ri<10, "O2">, DwarfRegNum<[10]>;
46 def O3 : Ri<11, "O3">, DwarfRegNum<[11]>;
47 def O4 : Ri<12, "O4">, DwarfRegNum<[12]>;
48 def O5 : Ri<13, "O5">, DwarfRegNum<[13]>;
49 def O6 : Ri<14, "O6">, DwarfRegNum<[14]>;
50 def O7 : Ri<15, "O7">, DwarfRegNum<[15]>;
51 def L0 : Ri<16, "L0">, DwarfRegNum<[16]>;
52 def L1 : Ri<17, "L1">, DwarfRegNum<[17]>;
53 def L2 : Ri<18, "L2">, DwarfRegNum<[18]>;
54 def L3 : Ri<19, "L3">, DwarfRegNum<[19]>;
55 def L4 : Ri<20, "L4">, DwarfRegNum<[20]>;
56 def L5 : Ri<21, "L5">, DwarfRegNum<[21]>;
57 def L6 : Ri<22, "L6">, DwarfRegNum<[22]>;
58 def L7 : Ri<23, "L7">, DwarfRegNum<[23]>;
59 def I0 : Ri<24, "I0">, DwarfRegNum<[24]>;
60 def I1 : Ri<25, "I1">, DwarfRegNum<[25]>;
61 def I2 : Ri<26, "I2">, DwarfRegNum<[26]>;
62 def I3 : Ri<27, "I3">, DwarfRegNum<[27]>;
63 def I4 : Ri<28, "I4">, DwarfRegNum<[28]>;
64 def I5 : Ri<29, "I5">, DwarfRegNum<[29]>;
65 def I6 : Ri<30, "I6">, DwarfRegNum<[30]>;
66 def I7 : Ri<31, "I7">, DwarfRegNum<[31]>;
68 // Floating-point registers
69 def F0 : Rf< 0, "F0">, DwarfRegNum<[32]>;
70 def F1 : Rf< 1, "F1">, DwarfRegNum<[33]>;
71 def F2 : Rf< 2, "F2">, DwarfRegNum<[34]>;
72 def F3 : Rf< 3, "F3">, DwarfRegNum<[35]>;
73 def F4 : Rf< 4, "F4">, DwarfRegNum<[36]>;
74 def F5 : Rf< 5, "F5">, DwarfRegNum<[37]>;
75 def F6 : Rf< 6, "F6">, DwarfRegNum<[38]>;
76 def F7 : Rf< 7, "F7">, DwarfRegNum<[39]>;
77 def F8 : Rf< 8, "F8">, DwarfRegNum<[40]>;
78 def F9 : Rf< 9, "F9">, DwarfRegNum<[41]>;
79 def F10 : Rf<10, "F10">, DwarfRegNum<[42]>;
80 def F11 : Rf<11, "F11">, DwarfRegNum<[43]>;
81 def F12 : Rf<12, "F12">, DwarfRegNum<[44]>;
82 def F13 : Rf<13, "F13">, DwarfRegNum<[45]>;
83 def F14 : Rf<14, "F14">, DwarfRegNum<[46]>;
84 def F15 : Rf<15, "F15">, DwarfRegNum<[47]>;
85 def F16 : Rf<16, "F16">, DwarfRegNum<[48]>;
86 def F17 : Rf<17, "F17">, DwarfRegNum<[49]>;
87 def F18 : Rf<18, "F18">, DwarfRegNum<[50]>;
88 def F19 : Rf<19, "F19">, DwarfRegNum<[51]>;
89 def F20 : Rf<20, "F20">, DwarfRegNum<[52]>;
90 def F21 : Rf<21, "F21">, DwarfRegNum<[53]>;
91 def F22 : Rf<22, "F22">, DwarfRegNum<[54]>;
92 def F23 : Rf<23, "F23">, DwarfRegNum<[55]>;
93 def F24 : Rf<24, "F24">, DwarfRegNum<[56]>;
94 def F25 : Rf<25, "F25">, DwarfRegNum<[57]>;
95 def F26 : Rf<26, "F26">, DwarfRegNum<[58]>;
96 def F27 : Rf<27, "F27">, DwarfRegNum<[59]>;
97 def F28 : Rf<28, "F28">, DwarfRegNum<[60]>;
98 def F29 : Rf<29, "F29">, DwarfRegNum<[61]>;
99 def F30 : Rf<30, "F30">, DwarfRegNum<[62]>;
100 def F31 : Rf<31, "F31">, DwarfRegNum<[63]>;
102 // Aliases of the F* registers used to hold 64-bit fp values (doubles)
103 def D0 : Rd< 0, "F0", [F0, F1]>, DwarfRegNum<[32]>;
104 def D1 : Rd< 2, "F2", [F2, F3]>, DwarfRegNum<[34]>;
105 def D2 : Rd< 4, "F4", [F4, F5]>, DwarfRegNum<[36]>;
106 def D3 : Rd< 6, "F6", [F6, F7]>, DwarfRegNum<[38]>;
107 def D4 : Rd< 8, "F8", [F8, F9]>, DwarfRegNum<[40]>;
108 def D5 : Rd<10, "F10", [F10, F11]>, DwarfRegNum<[42]>;
109 def D6 : Rd<12, "F12", [F12, F13]>, DwarfRegNum<[44]>;
110 def D7 : Rd<14, "F14", [F14, F15]>, DwarfRegNum<[46]>;
111 def D8 : Rd<16, "F16", [F16, F17]>, DwarfRegNum<[48]>;
112 def D9 : Rd<18, "F18", [F18, F19]>, DwarfRegNum<[50]>;
113 def D10 : Rd<20, "F20", [F20, F21]>, DwarfRegNum<[52]>;
114 def D11 : Rd<22, "F22", [F22, F23]>, DwarfRegNum<[54]>;
115 def D12 : Rd<24, "F24", [F24, F25]>, DwarfRegNum<[56]>;
116 def D13 : Rd<26, "F26", [F26, F27]>, DwarfRegNum<[58]>;
117 def D14 : Rd<28, "F28", [F28, F29]>, DwarfRegNum<[60]>;
118 def D15 : Rd<30, "F30", [F30, F31]>, DwarfRegNum<[62]>;
122 // FIXME: the register order should be defined in terms of the preferred
123 // allocation order...
125 def IntRegs : RegisterClass<"SP", [i32], 32, [L0, L1, L2, L3, L4, L5, L6, L7,
126 I0, I1, I2, I3, I4, I5,
127 O0, O1, O2, O3, O4, O5, O7,
129 // FIXME: G1 reserved for now for large imm generation by frame code.
131 // Non-allocatable regs:
132 G2, G3, G4, // FIXME: OK for use only in
133 // applications, not libraries.
136 I7, // return address
138 G5, G6, G7 // reserved for kernel
140 let MethodProtos = [{
141 iterator allocation_order_end(const MachineFunction &MF) const;
143 let MethodBodies = [{
144 IntRegsClass::iterator
145 IntRegsClass::allocation_order_end(const MachineFunction &MF) const {
146 // FIXME: These special regs should be taken out of the regclass!
147 return end()-10 // Don't allocate special registers
148 -1; // FIXME: G1 reserved for large imm generation by frame code.
153 def FPRegs : RegisterClass<"SP", [f32], 32, [F0, F1, F2, F3, F4, F5, F6, F7, F8,
154 F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22,
155 F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
157 def DFPRegs : RegisterClass<"SP", [f64], 64, [D0, D1, D2, D3, D4, D5, D6, D7,
158 D8, D9, D10, D11, D12, D13, D14, D15]>;