mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-08-05 13:26:55 +00:00
Revamp the Register class, and allow the use of the RegisterGroup class to
specify aliases directly in register definitions. Patch contributed by Jason Eckhardt! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16330 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
@@ -10,64 +10,84 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
// SPR - One of the 32-bit special-purpose registers
|
||||
class SPR<bits<5> num> : PPCReg {
|
||||
class SPR<bits<5> num, string n> : PPCReg<n> {
|
||||
field bits<5> 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;
|
||||
}
|
||||
|
||||
// CR - One of the 8 4-bit condition registers
|
||||
class CR<bits<5> num> : PPCReg {
|
||||
class CR<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">; def R1 : GPR< 1, "R1">;
|
||||
def R2 : GPR< 2, "R2">; def R3 : GPR< 3, "R3">;
|
||||
def R4 : GPR< 4, "R4">; def R5 : GPR< 5, "R5">;
|
||||
def R6 : GPR< 6, "R6">; def R7 : GPR< 7, "R7">;
|
||||
def R8 : GPR< 8, "R8">; def R9 : GPR< 9, "R9">;
|
||||
def R10 : GPR<10, "R10">; def R11 : GPR<11, "R11">;
|
||||
def R12 : GPR<12, "R12">; def R13 : GPR<13, "R13">;
|
||||
def R14 : GPR<14, "R14">; def R15 : GPR<15, "R15">;
|
||||
def R16 : GPR<16, "R16">; def R17 : GPR<17, "R17">;
|
||||
def R18 : GPR<18, "R18">; def R19 : GPR<19, "R19">;
|
||||
def R20 : GPR<20, "R20">; def R21 : GPR<21, "R21">;
|
||||
def R22 : GPR<22, "R22">; def R23 : GPR<23, "R23">;
|
||||
def R24 : GPR<24, "R24">; def R25 : GPR<25, "R25">;
|
||||
def R26 : GPR<26, "R26">; def R27 : GPR<27, "R27">;
|
||||
def R28 : GPR<28, "R28">; def R29 : GPR<29, "R29">;
|
||||
def R30 : GPR<30, "R30">; def R31 : GPR<31, "R31">;
|
||||
|
||||
// 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">; def F1 : FPR< 1, "F1">;
|
||||
def F2 : FPR< 2, "F2">; def F3 : FPR< 3, "F3">;
|
||||
def F4 : FPR< 4, "F4">; def F5 : FPR< 5, "F5">;
|
||||
def F6 : FPR< 6, "F6">; def F7 : FPR< 7, "F7">;
|
||||
def F8 : FPR< 8, "F8">; def F9 : FPR< 9, "F9">;
|
||||
def F10 : FPR<10, "F10">; def F11 : FPR<11, "F11">;
|
||||
def F12 : FPR<12, "F12">; def F13 : FPR<13, "F13">;
|
||||
def F14 : FPR<14, "F14">; def F15 : FPR<15, "F15">;
|
||||
def F16 : FPR<16, "F16">; def F17 : FPR<17, "F17">;
|
||||
def F18 : FPR<18, "F18">; def F19 : FPR<19, "F19">;
|
||||
def F20 : FPR<20, "F20">; def F21 : FPR<21, "F21">;
|
||||
def F22 : FPR<22, "F22">; def F23 : FPR<23, "F23">;
|
||||
def F24 : FPR<24, "F24">; def F25 : FPR<25, "F25">;
|
||||
def F26 : FPR<26, "F26">; def F27 : FPR<27, "F27">;
|
||||
def F28 : FPR<28, "F28">; def F29 : FPR<29, "F29">;
|
||||
def F30 : FPR<30, "F30">; def F31 : FPR<31, "F31">;
|
||||
|
||||
|
||||
// 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">; def CR1 : CR<1, "CR1">;
|
||||
def CR2 : CR<2, "CR2">; def CR3 : CR<3, "CR3">;
|
||||
def CR4 : CR<4, "CR4">; def CR5 : CR<5, "CR5">;
|
||||
def CR6 : CR<6, "CR6">; def CR7 : CR<7, "CR7">;
|
||||
|
||||
// Floating-point status and control register
|
||||
def FPSCR : SPR<0>;
|
||||
def FPSCR : SPR<0, "FPSCR">;
|
||||
// fiXed-point Exception Register? :-)
|
||||
def XER : SPR<1>;
|
||||
def XER : SPR<1, "XER">;
|
||||
// Link register
|
||||
def LR : SPR<2>;
|
||||
def LR : SPR<2, "LR">;
|
||||
// Count register
|
||||
def CTR : SPR<3>;
|
||||
def CTR : SPR<3, "CTR">;
|
||||
// These are the "time base" registers which are read-only in user mode.
|
||||
def TBL : SPR<4>;
|
||||
def TBU : SPR<5>;
|
||||
def TBL : SPR<4, "TBL">;
|
||||
def TBU : SPR<5, "TBU">;
|
||||
|
||||
|
Reference in New Issue
Block a user