forked from OSchip/llvm-project
Fix the SparcV8 register definitions that were imported from PPC template.
llvm-svn: 11833
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@ -7,76 +7,36 @@
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//
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//===----------------------------------------------------------------------===//
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//
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// Declarations that describe the SparcV8 register file
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//
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//===----------------------------------------------------------------------===//
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class PPCReg : Register {
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let Namespace = "SparcV8";
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// Ri - 32-bit integer registers
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class Ri<bits<5> num> : Register {
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field bits<5> Num = num; // Numbers are identified with a 5 bit ID
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}
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// We identify all our registers with a 5-bit ID, for consistency's sake.
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let Namespace = "SparcV8" in {
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def G0 : Ri< 0>; def G1 : Ri< 1>; def G2 : Ri< 2>; def G3 : Ri< 3>;
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def G4 : Ri< 4>; def G5 : Ri< 5>; def G6 : Ri< 6>; def G7 : Ri< 7>;
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def O0 : Ri< 8>; def O1 : Ri< 9>; def O2 : Ri<10>; def O3 : Ri<11>;
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def O4 : Ri<12>; def O5 : Ri<13>; def O6 : Ri<14>; def O7 : Ri<15>;
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def L0 : Ri<16>; def L1 : Ri<17>; def L2 : Ri<18>; def L3 : Ri<19>;
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def L4 : Ri<20>; def L5 : Ri<21>; def L6 : Ri<22>; def L7 : Ri<23>;
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def I0 : Ri<24>; def I1 : Ri<25>; def I2 : Ri<26>; def I3 : Ri<27>;
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def I4 : Ri<28>; def I5 : Ri<29>; def I6 : Ri<30>; def I7 : Ri<31>;
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// GPR - One of the 32 32-bit general-purpose registers
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class GPR<bits<5> num> : PPCReg {
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field bits<5> Num = num;
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// Floating-point registers?
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// ...
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}
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// SPR - One of the 32-bit special-purpose registers
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class SPR<bits<5> num> : PPCReg {
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field bits<5> Num = num;
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}
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// FPR - One of the 32 64-bit floating-point registers
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class FPR<bits<5> num> : PPCReg {
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field bits<5> Num = num;
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}
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// CR - One of the 8 4-bit condition registers
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class CR<bits<5> num> : PPCReg {
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field bits<5> Num = num;
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}
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// General-purpose registers
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def R0 : GPR< 0>; def R1 : GPR< 1>; def R2 : GPR< 2>; def R3 : GPR< 3>;
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def R4 : GPR< 4>; def R5 : GPR< 5>; def R6 : GPR< 6>; def R7 : GPR< 7>;
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def R8 : GPR< 8>; def R9 : GPR< 9>; def R10 : GPR<10>; def R11 : GPR<11>;
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def R12 : GPR<12>; def R13 : GPR<13>; def R14 : GPR<14>; def R15 : GPR<15>;
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def R16 : GPR<16>; def R17 : GPR<17>; def R18 : GPR<18>; def R19 : GPR<19>;
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def R20 : GPR<20>; def R21 : GPR<21>; def R22 : GPR<22>; def R23 : GPR<23>;
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def R24 : GPR<24>; def R25 : GPR<25>; def R26 : GPR<26>; def R27 : GPR<27>;
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def R28 : GPR<28>; def R29 : GPR<29>; def R30 : GPR<30>; def R31 : GPR<31>;
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// Floating-point registers
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def F0 : FPR< 0>; def F1 : FPR< 1>; def F2 : FPR< 2>; def F3 : FPR< 3>;
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def F4 : FPR< 4>; def F5 : FPR< 5>; def F6 : FPR< 6>; def F7 : FPR< 7>;
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def F8 : FPR< 8>; def F9 : FPR< 9>; def F10 : FPR<10>; def F11 : FPR<11>;
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def F12 : FPR<12>; def F13 : FPR<13>; def F14 : FPR<14>; def F15 : FPR<15>;
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def F16 : FPR<16>; def F17 : FPR<17>; def F18 : FPR<18>; def F19 : FPR<19>;
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def F20 : FPR<20>; def F21 : FPR<21>; def F22 : FPR<22>; def F23 : FPR<23>;
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def F24 : FPR<24>; def F25 : FPR<25>; def F26 : FPR<26>; def F27 : FPR<27>;
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def F28 : FPR<28>; def F29 : FPR<29>; def F30 : FPR<30>; def F31 : FPR<31>;
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// Condition registers
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def CR0 : CR<0>; def CR1 : CR<1>; def CR2 : CR<2>; def CR3 : CR<3>;
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def CR4 : CR<4>; def CR5 : CR<5>; def CR6 : CR<6>; def CR7 : CR<7>;
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// Floating-point status and control register
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def FPSCR : SPR<0>;
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// fiXed-point Exception Register? :-)
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def XER : SPR<1>;
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// Link register
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def LR : SPR<2>;
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// Count register
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def CTR : SPR<3>;
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// These are the "time base" registers which are read-only in user mode.
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def TBL : SPR<4>;
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def TBU : SPR<5>;
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/// Register classes: one for floats and another for non-floats.
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def GPRC : RegisterClass<i32, 4, [R0, R1, R2, R3, R4, R5, R6, R7,
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R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21,
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R22, R23, R24, R25, R26, R27, R28, R29, R30, R31]>;
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def FPRC : RegisterClass<f64, 8, [F0, F1, F2, F3, F4, F5, F6, F7,
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F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21,
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F22, F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
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// For fun, specify a register class.
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//
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// FIXME: the register order should be defined in terms of the preferred
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// allocation order...
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//
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def IntRegs : RegisterClass<i64, 8, [G0, G1, G2, G3, G4, G5, G6, G7,
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O0, O1, O2, O3, O4, O5, O6, O7,
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L0, L1, L2, L3, L4, L5, L6, L7,
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I0, I1, I2, I3, I4, I5, I6, I7]>;
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