-//===- PowerPCRegisterInfo.td - The PowerPC Register File --*- tablegen -*-===//
+//===- PPCRegisterInfo.td - The PowerPC Register File ------*- 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.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
-class PPCReg : Register {
+class PPCReg<string n> : Register<n> {
let Namespace = "PPC";
}
// We identify all our registers with a 5-bit ID, for consistency's sake.
// GPR - One of the 32 32-bit general-purpose registers
-class GPR<bits<5> num> : PPCReg {
+class GPR<bits<5> num, string n> : PPCReg<n> {
field bits<5> Num = num;
}
+// GP8 - One of the 32 64-bit general-purpose registers
+class GP8<GPR SubReg, string n> : PPCReg<SubReg.AsmName> {
+ field bits<5> Num = SubReg.Num;
+ let SubRegs = [SubReg];
+ let Name = n;
+}
+
// SPR - One of the 32-bit special-purpose registers
-class SPR<bits<5> num> : PPCReg {
- field bits<5> Num = num;
+class SPR<bits<10> num, string n> : PPCReg<n> {
+ field bits<10> Num = num;
}
// FPR - One of the 32 64-bit floating-point registers
-class FPR<bits<5> num> : PPCReg {
+class FPR<bits<5> num, string n> : PPCReg<n> {
+ field bits<5> Num = num;
+}
+
+// VR - One of the 32 128-bit vector registers
+class VR<bits<5> num, string n> : PPCReg<n> {
field bits<5> Num = num;
}
// CR - One of the 8 4-bit condition registers
-class CR<bits<5> num> : PPCReg {
+class CR<bits<3> num, string n> : PPCReg<n> {
+ field bits<3> Num = num;
+}
+
+// CRBIT - One of the 32 1-bit condition register fields
+class CRBIT<bits<5> num, string n> : PPCReg<n> {
field bits<5> Num = num;
}
+
// General-purpose registers
-def R0 : GPR< 0>; def R1 : GPR< 1>; def R2 : GPR< 2>; def R3 : GPR< 3>;
-def R4 : GPR< 4>; def R5 : GPR< 5>; def R6 : GPR< 6>; def R7 : GPR< 7>;
-def R8 : GPR< 8>; def R9 : GPR< 9>; def R10 : GPR<10>; def R11 : GPR<11>;
-def R12 : GPR<12>; def R13 : GPR<13>; def R14 : GPR<14>; def R15 : GPR<15>;
-def R16 : GPR<16>; def R17 : GPR<17>; def R18 : GPR<18>; def R19 : GPR<19>;
-def R20 : GPR<20>; def R21 : GPR<21>; def R22 : GPR<22>; def R23 : GPR<23>;
-def R24 : GPR<24>; def R25 : GPR<25>; def R26 : GPR<26>; def R27 : GPR<27>;
-def R28 : GPR<28>; def R29 : GPR<29>; def R30 : GPR<30>; def R31 : GPR<31>;
+def R0 : GPR< 0, "r0">, DwarfRegNum<[0]>;
+def R1 : GPR< 1, "r1">, DwarfRegNum<[1]>;
+def R2 : GPR< 2, "r2">, DwarfRegNum<[2]>;
+def R3 : GPR< 3, "r3">, DwarfRegNum<[3]>;
+def R4 : GPR< 4, "r4">, DwarfRegNum<[4]>;
+def R5 : GPR< 5, "r5">, DwarfRegNum<[5]>;
+def R6 : GPR< 6, "r6">, DwarfRegNum<[6]>;
+def R7 : GPR< 7, "r7">, DwarfRegNum<[7]>;
+def R8 : GPR< 8, "r8">, DwarfRegNum<[8]>;
+def R9 : GPR< 9, "r9">, DwarfRegNum<[9]>;
+def R10 : GPR<10, "r10">, DwarfRegNum<[10]>;
+def R11 : GPR<11, "r11">, DwarfRegNum<[11]>;
+def R12 : GPR<12, "r12">, DwarfRegNum<[12]>;
+def R13 : GPR<13, "r13">, DwarfRegNum<[13]>;
+def R14 : GPR<14, "r14">, DwarfRegNum<[14]>;
+def R15 : GPR<15, "r15">, DwarfRegNum<[15]>;
+def R16 : GPR<16, "r16">, DwarfRegNum<[16]>;
+def R17 : GPR<17, "r17">, DwarfRegNum<[17]>;
+def R18 : GPR<18, "r18">, DwarfRegNum<[18]>;
+def R19 : GPR<19, "r19">, DwarfRegNum<[19]>;
+def R20 : GPR<20, "r20">, DwarfRegNum<[20]>;
+def R21 : GPR<21, "r21">, DwarfRegNum<[21]>;
+def R22 : GPR<22, "r22">, DwarfRegNum<[22]>;
+def R23 : GPR<23, "r23">, DwarfRegNum<[23]>;
+def R24 : GPR<24, "r24">, DwarfRegNum<[24]>;
+def R25 : GPR<25, "r25">, DwarfRegNum<[25]>;
+def R26 : GPR<26, "r26">, DwarfRegNum<[26]>;
+def R27 : GPR<27, "r27">, DwarfRegNum<[27]>;
+def R28 : GPR<28, "r28">, DwarfRegNum<[28]>;
+def R29 : GPR<29, "r29">, DwarfRegNum<[29]>;
+def R30 : GPR<30, "r30">, DwarfRegNum<[30]>;
+def R31 : GPR<31, "r31">, DwarfRegNum<[31]>;
+
+// 64-bit General-purpose registers
+def X0 : GP8< R0, "x0">, DwarfRegNum<[0]>;
+def X1 : GP8< R1, "x1">, DwarfRegNum<[1]>;
+def X2 : GP8< R2, "x2">, DwarfRegNum<[2]>;
+def X3 : GP8< R3, "x3">, DwarfRegNum<[3]>;
+def X4 : GP8< R4, "x4">, DwarfRegNum<[4]>;
+def X5 : GP8< R5, "x5">, DwarfRegNum<[5]>;
+def X6 : GP8< R6, "x6">, DwarfRegNum<[6]>;
+def X7 : GP8< R7, "x7">, DwarfRegNum<[7]>;
+def X8 : GP8< R8, "x8">, DwarfRegNum<[8]>;
+def X9 : GP8< R9, "x9">, DwarfRegNum<[9]>;
+def X10 : GP8<R10, "x10">, DwarfRegNum<[10]>;
+def X11 : GP8<R11, "x11">, DwarfRegNum<[11]>;
+def X12 : GP8<R12, "x12">, DwarfRegNum<[12]>;
+def X13 : GP8<R13, "x13">, DwarfRegNum<[13]>;
+def X14 : GP8<R14, "x14">, DwarfRegNum<[14]>;
+def X15 : GP8<R15, "x15">, DwarfRegNum<[15]>;
+def X16 : GP8<R16, "x16">, DwarfRegNum<[16]>;
+def X17 : GP8<R17, "x17">, DwarfRegNum<[17]>;
+def X18 : GP8<R18, "x18">, DwarfRegNum<[18]>;
+def X19 : GP8<R19, "x19">, DwarfRegNum<[19]>;
+def X20 : GP8<R20, "x20">, DwarfRegNum<[20]>;
+def X21 : GP8<R21, "x21">, DwarfRegNum<[21]>;
+def X22 : GP8<R22, "x22">, DwarfRegNum<[22]>;
+def X23 : GP8<R23, "x23">, DwarfRegNum<[23]>;
+def X24 : GP8<R24, "x24">, DwarfRegNum<[24]>;
+def X25 : GP8<R25, "x25">, DwarfRegNum<[25]>;
+def X26 : GP8<R26, "x26">, DwarfRegNum<[26]>;
+def X27 : GP8<R27, "x27">, DwarfRegNum<[27]>;
+def X28 : GP8<R28, "x28">, DwarfRegNum<[28]>;
+def X29 : GP8<R29, "x29">, DwarfRegNum<[29]>;
+def X30 : GP8<R30, "x30">, DwarfRegNum<[30]>;
+def X31 : GP8<R31, "x31">, DwarfRegNum<[31]>;
// Floating-point registers
-def F0 : FPR< 0>; def F1 : FPR< 1>; def F2 : FPR< 2>; def F3 : FPR< 3>;
-def F4 : FPR< 4>; def F5 : FPR< 5>; def F6 : FPR< 6>; def F7 : FPR< 7>;
-def F8 : FPR< 8>; def F9 : FPR< 9>; def F10 : FPR<10>; def F11 : FPR<11>;
-def F12 : FPR<12>; def F13 : FPR<13>; def F14 : FPR<14>; def F15 : FPR<15>;
-def F16 : FPR<16>; def F17 : FPR<17>; def F18 : FPR<18>; def F19 : FPR<19>;
-def F20 : FPR<20>; def F21 : FPR<21>; def F22 : FPR<22>; def F23 : FPR<23>;
-def F24 : FPR<24>; def F25 : FPR<25>; def F26 : FPR<26>; def F27 : FPR<27>;
-def F28 : FPR<28>; def F29 : FPR<29>; def F30 : FPR<30>; def F31 : FPR<31>;
+def F0 : FPR< 0, "f0">, DwarfRegNum<[32]>;
+def F1 : FPR< 1, "f1">, DwarfRegNum<[33]>;
+def F2 : FPR< 2, "f2">, DwarfRegNum<[34]>;
+def F3 : FPR< 3, "f3">, DwarfRegNum<[35]>;
+def F4 : FPR< 4, "f4">, DwarfRegNum<[36]>;
+def F5 : FPR< 5, "f5">, DwarfRegNum<[37]>;
+def F6 : FPR< 6, "f6">, DwarfRegNum<[38]>;
+def F7 : FPR< 7, "f7">, DwarfRegNum<[39]>;
+def F8 : FPR< 8, "f8">, DwarfRegNum<[40]>;
+def F9 : FPR< 9, "f9">, DwarfRegNum<[41]>;
+def F10 : FPR<10, "f10">, DwarfRegNum<[42]>;
+def F11 : FPR<11, "f11">, DwarfRegNum<[43]>;
+def F12 : FPR<12, "f12">, DwarfRegNum<[44]>;
+def F13 : FPR<13, "f13">, DwarfRegNum<[45]>;
+def F14 : FPR<14, "f14">, DwarfRegNum<[46]>;
+def F15 : FPR<15, "f15">, DwarfRegNum<[47]>;
+def F16 : FPR<16, "f16">, DwarfRegNum<[48]>;
+def F17 : FPR<17, "f17">, DwarfRegNum<[49]>;
+def F18 : FPR<18, "f18">, DwarfRegNum<[50]>;
+def F19 : FPR<19, "f19">, DwarfRegNum<[51]>;
+def F20 : FPR<20, "f20">, DwarfRegNum<[52]>;
+def F21 : FPR<21, "f21">, DwarfRegNum<[53]>;
+def F22 : FPR<22, "f22">, DwarfRegNum<[54]>;
+def F23 : FPR<23, "f23">, DwarfRegNum<[55]>;
+def F24 : FPR<24, "f24">, DwarfRegNum<[56]>;
+def F25 : FPR<25, "f25">, DwarfRegNum<[57]>;
+def F26 : FPR<26, "f26">, DwarfRegNum<[58]>;
+def F27 : FPR<27, "f27">, DwarfRegNum<[59]>;
+def F28 : FPR<28, "f28">, DwarfRegNum<[60]>;
+def F29 : FPR<29, "f29">, DwarfRegNum<[61]>;
+def F30 : FPR<30, "f30">, DwarfRegNum<[62]>;
+def F31 : FPR<31, "f31">, DwarfRegNum<[63]>;
+
+// Vector registers
+def V0 : VR< 0, "v0">, DwarfRegNum<[77]>;
+def V1 : VR< 1, "v1">, DwarfRegNum<[78]>;
+def V2 : VR< 2, "v2">, DwarfRegNum<[79]>;
+def V3 : VR< 3, "v3">, DwarfRegNum<[80]>;
+def V4 : VR< 4, "v4">, DwarfRegNum<[81]>;
+def V5 : VR< 5, "v5">, DwarfRegNum<[82]>;
+def V6 : VR< 6, "v6">, DwarfRegNum<[83]>;
+def V7 : VR< 7, "v7">, DwarfRegNum<[84]>;
+def V8 : VR< 8, "v8">, DwarfRegNum<[85]>;
+def V9 : VR< 9, "v9">, DwarfRegNum<[86]>;
+def V10 : VR<10, "v10">, DwarfRegNum<[87]>;
+def V11 : VR<11, "v11">, DwarfRegNum<[88]>;
+def V12 : VR<12, "v12">, DwarfRegNum<[89]>;
+def V13 : VR<13, "v13">, DwarfRegNum<[90]>;
+def V14 : VR<14, "v14">, DwarfRegNum<[91]>;
+def V15 : VR<15, "v15">, DwarfRegNum<[92]>;
+def V16 : VR<16, "v16">, DwarfRegNum<[93]>;
+def V17 : VR<17, "v17">, DwarfRegNum<[94]>;
+def V18 : VR<18, "v18">, DwarfRegNum<[95]>;
+def V19 : VR<19, "v19">, DwarfRegNum<[96]>;
+def V20 : VR<20, "v20">, DwarfRegNum<[97]>;
+def V21 : VR<21, "v21">, DwarfRegNum<[98]>;
+def V22 : VR<22, "v22">, DwarfRegNum<[99]>;
+def V23 : VR<23, "v23">, DwarfRegNum<[100]>;
+def V24 : VR<24, "v24">, DwarfRegNum<[101]>;
+def V25 : VR<25, "v25">, DwarfRegNum<[102]>;
+def V26 : VR<26, "v26">, DwarfRegNum<[103]>;
+def V27 : VR<27, "v27">, DwarfRegNum<[104]>;
+def V28 : VR<28, "v28">, DwarfRegNum<[105]>;
+def V29 : VR<29, "v29">, DwarfRegNum<[106]>;
+def V30 : VR<30, "v30">, DwarfRegNum<[107]>;
+def V31 : VR<31, "v31">, DwarfRegNum<[108]>;
// Condition registers
-def CR0 : CR<0>; def CR1 : CR<1>; def CR2 : CR<2>; def CR3 : CR<3>;
-def CR4 : CR<4>; def CR5 : CR<5>; def CR6 : CR<6>; def CR7 : CR<7>;
+def CR0 : CR<0, "cr0">, DwarfRegNum<[68]>;
+def CR1 : CR<1, "cr1">, DwarfRegNum<[69]>;
+def CR2 : CR<2, "cr2">, DwarfRegNum<[70]>;
+def CR3 : CR<3, "cr3">, DwarfRegNum<[71]>;
+def CR4 : CR<4, "cr4">, DwarfRegNum<[72]>;
+def CR5 : CR<5, "cr5">, DwarfRegNum<[73]>;
+def CR6 : CR<6, "cr6">, DwarfRegNum<[74]>;
+def CR7 : CR<7, "cr7">, DwarfRegNum<[75]>;
+
+// Condition register bits
+def CR0LT : CRBIT< 0, "0">, DwarfRegNum<[0]>;
+def CR0GT : CRBIT< 1, "1">, DwarfRegNum<[0]>;
+def CR0EQ : CRBIT< 2, "2">, DwarfRegNum<[0]>;
+def CR0UN : CRBIT< 3, "3">, DwarfRegNum<[0]>;
+def CR1LT : CRBIT< 4, "4">, DwarfRegNum<[0]>;
+def CR1GT : CRBIT< 5, "5">, DwarfRegNum<[0]>;
+def CR1EQ : CRBIT< 6, "6">, DwarfRegNum<[0]>;
+def CR1UN : CRBIT< 7, "7">, DwarfRegNum<[0]>;
+def CR2LT : CRBIT< 8, "8">, DwarfRegNum<[0]>;
+def CR2GT : CRBIT< 9, "9">, DwarfRegNum<[0]>;
+def CR2EQ : CRBIT<10, "10">, DwarfRegNum<[0]>;
+def CR2UN : CRBIT<11, "11">, DwarfRegNum<[0]>;
+def CR3LT : CRBIT<12, "12">, DwarfRegNum<[0]>;
+def CR3GT : CRBIT<13, "13">, DwarfRegNum<[0]>;
+def CR3EQ : CRBIT<14, "14">, DwarfRegNum<[0]>;
+def CR3UN : CRBIT<15, "15">, DwarfRegNum<[0]>;
+def CR4LT : CRBIT<16, "16">, DwarfRegNum<[0]>;
+def CR4GT : CRBIT<17, "17">, DwarfRegNum<[0]>;
+def CR4EQ : CRBIT<18, "18">, DwarfRegNum<[0]>;
+def CR4UN : CRBIT<19, "19">, DwarfRegNum<[0]>;
+def CR5LT : CRBIT<20, "20">, DwarfRegNum<[0]>;
+def CR5GT : CRBIT<21, "21">, DwarfRegNum<[0]>;
+def CR5EQ : CRBIT<22, "22">, DwarfRegNum<[0]>;
+def CR5UN : CRBIT<23, "23">, DwarfRegNum<[0]>;
+def CR6LT : CRBIT<24, "24">, DwarfRegNum<[0]>;
+def CR6GT : CRBIT<25, "25">, DwarfRegNum<[0]>;
+def CR6EQ : CRBIT<26, "26">, DwarfRegNum<[0]>;
+def CR6UN : CRBIT<27, "27">, DwarfRegNum<[0]>;
+def CR7LT : CRBIT<28, "28">, DwarfRegNum<[0]>;
+def CR7GT : CRBIT<29, "29">, DwarfRegNum<[0]>;
+def CR7EQ : CRBIT<30, "30">, DwarfRegNum<[0]>;
+def CR7UN : CRBIT<31, "31">, DwarfRegNum<[0]>;
+
+def : SubRegSet<1, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7],
+ [CR0LT, CR1LT, CR2LT, CR3LT, CR4LT, CR5LT, CR6LT, CR7LT]>;
+def : SubRegSet<2, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7],
+ [CR0GT, CR1GT, CR2GT, CR3GT, CR4GT, CR5GT, CR6GT, CR7GT]>;
+def : SubRegSet<3, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7],
+ [CR0EQ, CR1EQ, CR2EQ, CR3EQ, CR4EQ, CR5EQ, CR6EQ, CR7EQ]>;
+def : SubRegSet<4, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7],
+ [CR0UN, CR1UN, CR2UN, CR3UN, CR4UN, CR5UN, CR6UN, CR7UN]>;
-// Floating-point status and control register
-def FPSCR : SPR<0>;
-// fiXed-point Exception Register? :-)
-def XER : SPR<1>;
// Link register
-def LR : SPR<2>;
+def LR : SPR<8, "lr">, DwarfRegNum<[65]>;
+//let Aliases = [LR] in
+def LR8 : SPR<8, "lr">, DwarfRegNum<[65]>;
+
// Count register
-def CTR : SPR<3>;
-// These are the "time base" registers which are read-only in user mode.
-def TBL : SPR<4>;
-def TBU : SPR<5>;
+def CTR : SPR<9, "ctr">, DwarfRegNum<[66]>;
+def CTR8 : SPR<9, "ctr">, DwarfRegNum<[66]>;
+
+// VRsave register
+def VRSAVE: SPR<256, "VRsave">, DwarfRegNum<[107]>;
/// Register classes
// Allocate volatiles first
// then nonvolatiles in reverse order since stmw/lmw save from rN to r31
-def GPRC :
- RegisterClass<i32, 4,
- [R3, R4, R5, R6, R7, R8, R9, R10, R11, R12,
- R31, R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
- R16, R15, R14, R13, R0, R2, R1, LR]>
+def GPRC : RegisterClass<"PPC", [i32], 32,
+ [R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12,
+ R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
+ R16, R15, R14, R13, R31, R0, R1, LR]>
{
- let Methods = [{
- iterator allocation_order_end(MachineFunction &MF) const {
- return end() - (AIX ? 4 : 3);
+ let MethodProtos = [{
+ iterator allocation_order_begin(const MachineFunction &MF) const;
+ iterator allocation_order_end(const MachineFunction &MF) const;
+ }];
+ let MethodBodies = [{
+ GPRCClass::iterator
+ GPRCClass::allocation_order_begin(const MachineFunction &MF) const {
+ // In Linux, r2 is reserved for the OS.
+ if (!MF.getTarget().getSubtarget<PPCSubtarget>().isDarwin())
+ return begin()+1;
+
+ return begin();
+ }
+ GPRCClass::iterator
+ GPRCClass::allocation_order_end(const MachineFunction &MF) const {
+ // On PPC64, r13 is the thread pointer. Never allocate this register.
+ // Note that this is overconservative, as it also prevents allocation of
+ // R31 when the FP is not needed.
+ if (MF.getTarget().getSubtarget<PPCSubtarget>().isPPC64())
+ return end()-5; // don't allocate R13, R31, R0, R1, LR
+
+ if (needsFP(MF))
+ return end()-4; // don't allocate R31, R0, R1, LR
+ else
+ return end()-3; // don't allocate R0, R1, LR
+ }
+ }];
+}
+def G8RC : RegisterClass<"PPC", [i64], 64,
+ [X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12,
+ X30, X29, X28, X27, X26, X25, X24, X23, X22, X21, X20, X19, X18, X17,
+ X16, X15, X14, X31, X13, X0, X1, LR8]>
+{
+ let MethodProtos = [{
+ iterator allocation_order_begin(const MachineFunction &MF) const;
+ iterator allocation_order_end(const MachineFunction &MF) const;
+ }];
+ let MethodBodies = [{
+ G8RCClass::iterator
+ G8RCClass::allocation_order_begin(const MachineFunction &MF) const {
+ return begin();
+ }
+ G8RCClass::iterator
+ G8RCClass::allocation_order_end(const MachineFunction &MF) const {
+ if (needsFP(MF))
+ return end()-5;
+ else
+ return end()-4;
}
}];
}
-def FPRC : RegisterClass<f64, 8, [F0, F1, F2, F3, F4, F5, F6, F7,
+
+
+def F8RC : RegisterClass<"PPC", [f64], 64, [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 F4RC : RegisterClass<"PPC", [f32], 32, [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 VRRC : RegisterClass<"PPC", [v16i8,v8i16,v4i32,v4f32], 128,
+ [V2, V3, V4, V5, V0, V1,
+ V6, V7, V8, V9, V10, V11, V12, V13, V14, V15, V16, V17, V18, V19, V20, V21,
+ V22, V23, V24, V25, V26, V27, V28, V29, V30, V31]>;
-//def CRRC : RegisterClass<i32, 4, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7]>;
+def CRRC : RegisterClass<"PPC", [i32], 32, [CR0, CR1, CR5, CR6, CR7, CR2,
+ CR3, CR4]>;
+
projects / oota-llvm.git / blobdiff