SparcRegisterInfo.td revision ff70fe61ed4caaaa59a68f127102b348fb5f9355
1//===- SparcRegisterInfo.td - Sparc Register defs ----------*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file was developed by the LLVM research group and is distributed under 6// the University of Illinois Open Source License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10//===----------------------------------------------------------------------===// 11// Declarations that describe the Sparc register file 12//===----------------------------------------------------------------------===// 13 14class SparcReg<string n> : Register<n> { 15 field bits<5> Num; 16 let Namespace = "SP"; 17} 18 19// Registers are identified with 5-bit ID numbers. 20// Ri - 32-bit integer registers 21class Ri<bits<5> num, string n> : SparcReg<n> { 22 let Num = num; 23} 24// Rf - 32-bit floating-point registers 25class Rf<bits<5> num, string n> : SparcReg<n> { 26 let Num = num; 27} 28// Rd - Slots in the FP register file for 64-bit floating-point values. 29class Rd<bits<5> num, string n, list<Register> aliases> : SparcReg<n> { 30 let Num = num; 31 let Aliases = aliases; 32} 33 34// Integer registers 35def G0 : Ri< 0, "G0">, DwarfRegNum<0>; 36def G1 : Ri< 1, "G1">, DwarfRegNum<1>; 37def G2 : Ri< 2, "G2">, DwarfRegNum<2>; 38def G3 : Ri< 3, "G3">, DwarfRegNum<3>; 39def G4 : Ri< 4, "G4">, DwarfRegNum<4>; 40def G5 : Ri< 5, "G5">, DwarfRegNum<5>; 41def G6 : Ri< 6, "G6">, DwarfRegNum<6>; 42def G7 : Ri< 7, "G7">, DwarfRegNum<7>; 43def O0 : Ri< 8, "O0">, DwarfRegNum<8>; 44def O1 : Ri< 9, "O1">, DwarfRegNum<9>; 45def O2 : Ri<10, "O2">, DwarfRegNum<10>; 46def O3 : Ri<11, "O3">, DwarfRegNum<11>; 47def O4 : Ri<12, "O4">, DwarfRegNum<12>; 48def O5 : Ri<13, "O5">, DwarfRegNum<13>; 49def O6 : Ri<14, "O6">, DwarfRegNum<14>; 50def O7 : Ri<15, "O7">, DwarfRegNum<15>; 51def L0 : Ri<16, "L0">, DwarfRegNum<16>; 52def L1 : Ri<17, "L1">, DwarfRegNum<17>; 53def L2 : Ri<18, "L2">, DwarfRegNum<18>; 54def L3 : Ri<19, "L3">, DwarfRegNum<19>; 55def L4 : Ri<20, "L4">, DwarfRegNum<20>; 56def L5 : Ri<21, "L5">, DwarfRegNum<21>; 57def L6 : Ri<22, "L6">, DwarfRegNum<22>; 58def L7 : Ri<23, "L7">, DwarfRegNum<23>; 59def I0 : Ri<24, "I0">, DwarfRegNum<24>; 60def I1 : Ri<25, "I1">, DwarfRegNum<25>; 61def I2 : Ri<26, "I2">, DwarfRegNum<26>; 62def I3 : Ri<27, "I3">, DwarfRegNum<27>; 63def I4 : Ri<28, "I4">, DwarfRegNum<28>; 64def I5 : Ri<29, "I5">, DwarfRegNum<29>; 65def I6 : Ri<30, "I6">, DwarfRegNum<30>; 66def I7 : Ri<31, "I7">, DwarfRegNum<31>; 67 68// Floating-point registers 69def F0 : Rf< 0, "F0">, DwarfRegNum<32>; 70def F1 : Rf< 1, "F1">, DwarfRegNum<33>; 71def F2 : Rf< 2, "F2">, DwarfRegNum<34>; 72def F3 : Rf< 3, "F3">, DwarfRegNum<35>; 73def F4 : Rf< 4, "F4">, DwarfRegNum<36>; 74def F5 : Rf< 5, "F5">, DwarfRegNum<37>; 75def F6 : Rf< 6, "F6">, DwarfRegNum<38>; 76def F7 : Rf< 7, "F7">, DwarfRegNum<39>; 77def F8 : Rf< 8, "F8">, DwarfRegNum<40>; 78def F9 : Rf< 9, "F9">, DwarfRegNum<41>; 79def F10 : Rf<10, "F10">, DwarfRegNum<42>; 80def F11 : Rf<11, "F11">, DwarfRegNum<43>; 81def F12 : Rf<12, "F12">, DwarfRegNum<44>; 82def F13 : Rf<13, "F13">, DwarfRegNum<45>; 83def F14 : Rf<14, "F14">, DwarfRegNum<46>; 84def F15 : Rf<15, "F15">, DwarfRegNum<47>; 85def F16 : Rf<16, "F16">, DwarfRegNum<48>; 86def F17 : Rf<17, "F17">, DwarfRegNum<49>; 87def F18 : Rf<18, "F18">, DwarfRegNum<50>; 88def F19 : Rf<19, "F19">, DwarfRegNum<51>; 89def F20 : Rf<20, "F20">, DwarfRegNum<52>; 90def F21 : Rf<21, "F21">, DwarfRegNum<53>; 91def F22 : Rf<22, "F22">, DwarfRegNum<54>; 92def F23 : Rf<23, "F23">, DwarfRegNum<55>; 93def F24 : Rf<24, "F24">, DwarfRegNum<56>; 94def F25 : Rf<25, "F25">, DwarfRegNum<57>; 95def F26 : Rf<26, "F26">, DwarfRegNum<58>; 96def F27 : Rf<27, "F27">, DwarfRegNum<59>; 97def F28 : Rf<28, "F28">, DwarfRegNum<60>; 98def F29 : Rf<29, "F29">, DwarfRegNum<61>; 99def F30 : Rf<30, "F30">, DwarfRegNum<62>; 100def F31 : Rf<31, "F31">, DwarfRegNum<63>; 101 102// Aliases of the F* registers used to hold 64-bit fp values (doubles) 103def D0 : Rd< 0, "F0", [F0, F1]>, DwarfRegNum<32>; 104def D1 : Rd< 2, "F2", [F2, F3]>, DwarfRegNum<34>; 105def D2 : Rd< 4, "F4", [F4, F5]>, DwarfRegNum<36>; 106def D3 : Rd< 6, "F6", [F6, F7]>, DwarfRegNum<38>; 107def D4 : Rd< 8, "F8", [F8, F9]>, DwarfRegNum<40>; 108def D5 : Rd<10, "F10", [F10, F11]>, DwarfRegNum<42>; 109def D6 : Rd<12, "F12", [F12, F13]>, DwarfRegNum<44>; 110def D7 : Rd<14, "F14", [F14, F15]>, DwarfRegNum<46>; 111def D8 : Rd<16, "F16", [F16, F17]>, DwarfRegNum<48>; 112def D9 : Rd<18, "F18", [F18, F19]>, DwarfRegNum<50>; 113def D10 : Rd<20, "F20", [F20, F21]>, DwarfRegNum<52>; 114def D11 : Rd<22, "F22", [F22, F23]>, DwarfRegNum<54>; 115def D12 : Rd<24, "F24", [F24, F25]>, DwarfRegNum<56>; 116def D13 : Rd<26, "F26", [F26, F27]>, DwarfRegNum<58>; 117def D14 : Rd<28, "F28", [F28, F29]>, DwarfRegNum<60>; 118def D15 : Rd<30, "F30", [F30, F31]>, DwarfRegNum<62>; 119 120// Register classes. 121// 122// FIXME: the register order should be defined in terms of the preferred 123// allocation order... 124// 125def 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, 128 129 // FIXME: G1 reserved for now for large imm generation by frame code. 130 G1, 131 // Non-allocatable regs: 132 G2, G3, G4, // FIXME: OK for use only in 133 // applications, not libraries. 134 O6, // stack ptr 135 I6, // frame ptr 136 I7, // return address 137 G0, // constant zero 138 G5, G6, G7 // reserved for kernel 139 ]> { 140 let MethodProtos = [{ 141 iterator allocation_order_end(MachineFunction &MF) const; 142 }]; 143 let MethodBodies = [{ 144 IntRegsClass::iterator 145 IntRegsClass::allocation_order_end(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. 149 } 150 }]; 151} 152 153def 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]>; 156 157def DFPRegs : RegisterClass<"SP", [f64], 64, [D0, D1, D2, D3, D4, D5, D6, D7, 158 D8, D9, D10, D11, D12, D13, D14, D15]>; 159