-//===- SparcV8Reg.td - Describe the SparcV8 Register File -------*- C++ -*-===//
+//===- SparcRegisterInfo.td - Sparc Register defs ----------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// Declarations that describe the SparcV8 register file
-//
+
+//===----------------------------------------------------------------------===//
+// Declarations that describe the Sparc register file
//===----------------------------------------------------------------------===//
+class SparcReg<string n> : Register<n> {
+ field bits<5> Num;
+ let Namespace = "SP";
+}
+
+class SparcCtrlReg<string n>: Register<n> {
+ let Namespace = "SP";
+}
+
+let Namespace = "SP" in {
+def sub_even : SubRegIndex;
+def sub_odd : SubRegIndex;
+}
+
// Registers are identified with 5-bit ID numbers.
// Ri - 32-bit integer registers
-class Ri<bits<5> num> : Register {
- field bits<5> Num = num;
+class Ri<bits<5> num, string n> : SparcReg<n> {
+ let Num = num;
}
// Rf - 32-bit floating-point registers
-class Rf<bits<5> num> : Register {
- field bits<5> Num = num;
+class Rf<bits<5> num, string n> : SparcReg<n> {
+ let Num = num;
}
// Rd - Slots in the FP register file for 64-bit floating-point values.
-class Rd<bits<5> num> : Register {
- field bits<5> Num = num;
-}
-// Rs - Special "ancillary state registers" registers, like the Y, ASR, PSR,
-// WIM, TBR, etc registers
-class Rs<bits<5> num> : Register {
- field bits<5> Num = num;
+class Rd<bits<5> num, string n, list<Register> subregs> : SparcReg<n> {
+ let Num = num;
+ let SubRegs = subregs;
+ let SubRegIndices = [sub_even, sub_odd];
}
-let Namespace = "V8" in {
- def G0 : Ri< 0>; def G1 : Ri< 1>; def G2 : Ri< 2>; def G3 : Ri< 3>;
- def G4 : Ri< 4>; def G5 : Ri< 5>; def G6 : Ri< 6>; def G7 : Ri< 7>;
- def O0 : Ri< 8>; def O1 : Ri< 9>; def O2 : Ri<10>; def O3 : Ri<11>;
- def O4 : Ri<12>; def O5 : Ri<13>; def O6 : Ri<14>; def O7 : Ri<15>;
- def L0 : Ri<16>; def L1 : Ri<17>; def L2 : Ri<18>; def L3 : Ri<19>;
- def L4 : Ri<20>; def L5 : Ri<21>; def L6 : Ri<22>; def L7 : Ri<23>;
- def I0 : Ri<24>; def I1 : Ri<25>; def I2 : Ri<26>; def I3 : Ri<27>;
- def I4 : Ri<28>; def I5 : Ri<29>; def I6 : Ri<30>; def I7 : Ri<31>;
+// Control Registers
+def ICC : SparcCtrlReg<"ICC">;
+def FCC : SparcCtrlReg<"FCC">;
- // Standard register aliases.
- def SP : Ri<14>; def FP : Ri<30>;
+// Y register
+def Y : SparcCtrlReg<"Y">;
- // Floating-point registers:
- def F0 : Rf< 0>; def F1 : Rf< 1>; def F2 : Rf< 2>; def F3 : Rf< 3>;
- def F4 : Rf< 4>; def F5 : Rf< 5>; def F6 : Rf< 6>; def F7 : Rf< 7>;
- def F8 : Rf< 8>; def F9 : Rf< 9>; def F10 : Rf<10>; def F11 : Rf<11>;
- def F12 : Rf<12>; def F13 : Rf<13>; def F14 : Rf<14>; def F15 : Rf<15>;
- def F16 : Rf<16>; def F17 : Rf<17>; def F18 : Rf<18>; def F19 : Rf<19>;
- def F20 : Rf<20>; def F21 : Rf<21>; def F22 : Rf<22>; def F23 : Rf<23>;
- def F24 : Rf<24>; def F25 : Rf<25>; def F26 : Rf<26>; def F27 : Rf<27>;
- def F28 : Rf<28>; def F29 : Rf<29>; def F30 : Rf<30>; def F31 : Rf<31>;
+// Integer registers
+def G0 : Ri< 0, "G0">, DwarfRegNum<[0]>;
+def G1 : Ri< 1, "G1">, DwarfRegNum<[1]>;
+def G2 : Ri< 2, "G2">, DwarfRegNum<[2]>;
+def G3 : Ri< 3, "G3">, DwarfRegNum<[3]>;
+def G4 : Ri< 4, "G4">, DwarfRegNum<[4]>;
+def G5 : Ri< 5, "G5">, DwarfRegNum<[5]>;
+def G6 : Ri< 6, "G6">, DwarfRegNum<[6]>;
+def G7 : Ri< 7, "G7">, DwarfRegNum<[7]>;
+def O0 : Ri< 8, "O0">, DwarfRegNum<[8]>;
+def O1 : Ri< 9, "O1">, DwarfRegNum<[9]>;
+def O2 : Ri<10, "O2">, DwarfRegNum<[10]>;
+def O3 : Ri<11, "O3">, DwarfRegNum<[11]>;
+def O4 : Ri<12, "O4">, DwarfRegNum<[12]>;
+def O5 : Ri<13, "O5">, DwarfRegNum<[13]>;
+def O6 : Ri<14, "SP">, DwarfRegNum<[14]>;
+def O7 : Ri<15, "O7">, DwarfRegNum<[15]>;
+def L0 : Ri<16, "L0">, DwarfRegNum<[16]>;
+def L1 : Ri<17, "L1">, DwarfRegNum<[17]>;
+def L2 : Ri<18, "L2">, DwarfRegNum<[18]>;
+def L3 : Ri<19, "L3">, DwarfRegNum<[19]>;
+def L4 : Ri<20, "L4">, DwarfRegNum<[20]>;
+def L5 : Ri<21, "L5">, DwarfRegNum<[21]>;
+def L6 : Ri<22, "L6">, DwarfRegNum<[22]>;
+def L7 : Ri<23, "L7">, DwarfRegNum<[23]>;
+def I0 : Ri<24, "I0">, DwarfRegNum<[24]>;
+def I1 : Ri<25, "I1">, DwarfRegNum<[25]>;
+def I2 : Ri<26, "I2">, DwarfRegNum<[26]>;
+def I3 : Ri<27, "I3">, DwarfRegNum<[27]>;
+def I4 : Ri<28, "I4">, DwarfRegNum<[28]>;
+def I5 : Ri<29, "I5">, DwarfRegNum<[29]>;
+def I6 : Ri<30, "FP">, DwarfRegNum<[30]>;
+def I7 : Ri<31, "I7">, DwarfRegNum<[31]>;
- // Aliases of the F* registers used to hold 64-bit fp values (doubles).
- def D0 : Rd< 0>; def D1 : Rd< 2>; def D2 : Rd< 4>; def D3 : Rd< 6>;
- def D4 : Rd< 8>; def D5 : Rd<10>; def D6 : Rd<12>; def D7 : Rd<14>;
- def D8 : Rd<16>; def D9 : Rd<18>; def D10 : Rd<20>; def D11 : Rd<22>;
- def D12 : Rd<24>; def D13 : Rd<26>; def D14 : Rd<28>; def D15 : Rd<30>;
+// Floating-point registers
+def F0 : Rf< 0, "F0">, DwarfRegNum<[32]>;
+def F1 : Rf< 1, "F1">, DwarfRegNum<[33]>;
+def F2 : Rf< 2, "F2">, DwarfRegNum<[34]>;
+def F3 : Rf< 3, "F3">, DwarfRegNum<[35]>;
+def F4 : Rf< 4, "F4">, DwarfRegNum<[36]>;
+def F5 : Rf< 5, "F5">, DwarfRegNum<[37]>;
+def F6 : Rf< 6, "F6">, DwarfRegNum<[38]>;
+def F7 : Rf< 7, "F7">, DwarfRegNum<[39]>;
+def F8 : Rf< 8, "F8">, DwarfRegNum<[40]>;
+def F9 : Rf< 9, "F9">, DwarfRegNum<[41]>;
+def F10 : Rf<10, "F10">, DwarfRegNum<[42]>;
+def F11 : Rf<11, "F11">, DwarfRegNum<[43]>;
+def F12 : Rf<12, "F12">, DwarfRegNum<[44]>;
+def F13 : Rf<13, "F13">, DwarfRegNum<[45]>;
+def F14 : Rf<14, "F14">, DwarfRegNum<[46]>;
+def F15 : Rf<15, "F15">, DwarfRegNum<[47]>;
+def F16 : Rf<16, "F16">, DwarfRegNum<[48]>;
+def F17 : Rf<17, "F17">, DwarfRegNum<[49]>;
+def F18 : Rf<18, "F18">, DwarfRegNum<[50]>;
+def F19 : Rf<19, "F19">, DwarfRegNum<[51]>;
+def F20 : Rf<20, "F20">, DwarfRegNum<[52]>;
+def F21 : Rf<21, "F21">, DwarfRegNum<[53]>;
+def F22 : Rf<22, "F22">, DwarfRegNum<[54]>;
+def F23 : Rf<23, "F23">, DwarfRegNum<[55]>;
+def F24 : Rf<24, "F24">, DwarfRegNum<[56]>;
+def F25 : Rf<25, "F25">, DwarfRegNum<[57]>;
+def F26 : Rf<26, "F26">, DwarfRegNum<[58]>;
+def F27 : Rf<27, "F27">, DwarfRegNum<[59]>;
+def F28 : Rf<28, "F28">, DwarfRegNum<[60]>;
+def F29 : Rf<29, "F29">, DwarfRegNum<[61]>;
+def F30 : Rf<30, "F30">, DwarfRegNum<[62]>;
+def F31 : Rf<31, "F31">, DwarfRegNum<[63]>;
- // The Y register.
- def Y : Rs<0>;
-}
+// Aliases of the F* registers used to hold 64-bit fp values (doubles)
+def D0 : Rd< 0, "F0", [F0, F1]>, DwarfRegNum<[72]>;
+def D1 : Rd< 2, "F2", [F2, F3]>, DwarfRegNum<[73]>;
+def D2 : Rd< 4, "F4", [F4, F5]>, DwarfRegNum<[74]>;
+def D3 : Rd< 6, "F6", [F6, F7]>, DwarfRegNum<[75]>;
+def D4 : Rd< 8, "F8", [F8, F9]>, DwarfRegNum<[76]>;
+def D5 : Rd<10, "F10", [F10, F11]>, DwarfRegNum<[77]>;
+def D6 : Rd<12, "F12", [F12, F13]>, DwarfRegNum<[78]>;
+def D7 : Rd<14, "F14", [F14, F15]>, DwarfRegNum<[79]>;
+def D8 : Rd<16, "F16", [F16, F17]>, DwarfRegNum<[80]>;
+def D9 : Rd<18, "F18", [F18, F19]>, DwarfRegNum<[81]>;
+def D10 : Rd<20, "F20", [F20, F21]>, DwarfRegNum<[82]>;
+def D11 : Rd<22, "F22", [F22, F23]>, DwarfRegNum<[83]>;
+def D12 : Rd<24, "F24", [F24, F25]>, DwarfRegNum<[84]>;
+def D13 : Rd<26, "F26", [F26, F27]>, DwarfRegNum<[85]>;
+def D14 : Rd<28, "F28", [F28, F29]>, DwarfRegNum<[86]>;
+def D15 : Rd<30, "F30", [F30, F31]>, DwarfRegNum<[87]>;
// Register classes.
//
// FIXME: the register order should be defined in terms of the preferred
// allocation order...
//
-def IntRegs : RegisterClass<i32, 8, [L0, L1, L2, L3, L4, L5, L6, L7,
- I0, I1, I2, I3, I4, I5,
- G1, G2, G3, G4, G5, G6, G7,
- O0, O1, O2, O3, O4, O5, O7,
- // Non-allocatable regs
- O6, I6, I7, G0]> {
- let Methods = [{
- iterator allocation_order_end(MachineFunction &MF) const {
- return end()-4; // Don't allocate special registers
- }
- }];
-}
-
-def FPRegs : RegisterClass<f32, 4, [F0, F1, F2, F3, F4, F5, F6, F7, F8,
- F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22,
- F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
+def IntRegs : RegisterClass<"SP", [i32], 32,
+ (add L0, L1, L2, L3, L4, L5, L6,
+ L7, I0, I1, I2, I3, I4, I5,
+ O0, O1, O2, O3, O4, O5, O7,
+ G1,
+ // Non-allocatable regs:
+ G2, G3, G4, // FIXME: OK for use only in
+ // applications, not libraries.
+ O6, // stack ptr
+ I6, // frame ptr
+ I7, // return address
+ G0, // constant zero
+ G5, G6, G7 // reserved for kernel
+ )>;
-def DFPRegs : RegisterClass<f64, 8, [D0, D1, D2, D3, D4, D5, D6, D7,
- D8, D9, D10, D11, D12, D13, D14, D15]>;
+def FPRegs : RegisterClass<"SP", [f32], 32, (sequence "F%u", 0, 31)>;
-// Tell the register file generator that the double-fp pseudo-registers
-// alias the registers used for single-fp values.
-def : RegisterAliases<D0, [F0, F1]>;
-def : RegisterAliases<D1, [F2, F3]>;
-def : RegisterAliases<D2, [F4, F5]>;
-def : RegisterAliases<D3, [F6, F7]>;
-def : RegisterAliases<D4, [F8, F9]>;
-def : RegisterAliases<D5, [F10, F11]>;
-def : RegisterAliases<D6, [F12, F13]>;
-def : RegisterAliases<D7, [F14, F15]>;
-def : RegisterAliases<D8, [F16, F17]>;
-def : RegisterAliases<D9, [F18, F19]>;
-def : RegisterAliases<D10, [F20, F21]>;
-def : RegisterAliases<D11, [F22, F23]>;
-def : RegisterAliases<D12, [F24, F25]>;
-def : RegisterAliases<D13, [F26, F27]>;
-def : RegisterAliases<D14, [F28, F29]>;
-def : RegisterAliases<D15, [F30, F31]>;
+def DFPRegs : RegisterClass<"SP", [f64], 64, (sequence "D%u", 0, 15)>;
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