1 //===-- BPFRegisterInfo.td - BPF Register defs -------------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // Declarations that describe the BPF register file
12 //===----------------------------------------------------------------------===//
14 // Registers are identified with 4-bit ID numbers.
15 // Ri - 64-bit integer registers
16 class Ri<bits<16> Enc, string n> : Register<n> {
17 let Namespace = "BPF";
22 def R0 : Ri< 0, "r0">, DwarfRegNum<[0]>;
23 def R1 : Ri< 1, "r1">, DwarfRegNum<[1]>;
24 def R2 : Ri< 2, "r2">, DwarfRegNum<[2]>;
25 def R3 : Ri< 3, "r3">, DwarfRegNum<[3]>;
26 def R4 : Ri< 4, "r4">, DwarfRegNum<[4]>;
27 def R5 : Ri< 5, "r5">, DwarfRegNum<[5]>;
28 def R6 : Ri< 6, "r6">, DwarfRegNum<[6]>;
29 def R7 : Ri< 7, "r7">, DwarfRegNum<[7]>;
30 def R8 : Ri< 8, "r8">, DwarfRegNum<[8]>;
31 def R9 : Ri< 9, "r9">, DwarfRegNum<[9]>;
32 def R10 : Ri<10, "r10">, DwarfRegNum<[10]>;
33 def R11 : Ri<11, "r11">, DwarfRegNum<[11]>;
36 def GPR : RegisterClass<"BPF", [i64], 64, (add R1, R2, R3, R4, R5,
37 R6, R7, R8, R9, // callee saved