1// RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s
2
3include "llvm/Target/Target.td"
4
5def archInstrInfo : InstrInfo { }
6
7def arch : Target {
8    let InstructionSet = archInstrInfo;
9}
10
11def  Myi32  : Operand<i32> {
12  let DecoderMethod = "DecodeMyi32";
13}
14
15
16let OutOperandList = (outs), Size = 2 in {
17
18def foo : Instruction {
19    let InOperandList = (ins i32imm:$factor);
20    field bits<16> Inst;
21    bits<32> factor;
22    let Inst{7-0} = 0xAA;
23    let Inst{14-8} = factor{6-0}; // no offset
24    let AsmString = "foo  $factor";
25    field bits<16> SoftFail = 0;
26    }
27
28def bar : Instruction {
29    let InOperandList = (ins i32imm:$factor);
30    field bits<16> Inst;
31    bits<32> factor;
32    let Inst{7-0} = 0xBB;
33    let Inst{15-8} = factor{10-3}; // offset by 3
34    let AsmString = "bar  $factor";
35    field bits<16> SoftFail = 0;
36    }
37
38def biz : Instruction {
39    let InOperandList = (ins i32imm:$factor);
40    field bits<16> Inst;
41    bits<32> factor;
42    let Inst{7-0} = 0xCC;
43    let Inst{11-8,15-12} = factor{10-3}; // offset by 3, multipart
44    let AsmString = "biz  $factor";
45    field bits<16> SoftFail = 0;
46    }
47
48def baz : Instruction {
49    let InOperandList = (ins Myi32:$factor);
50    field bits<16> Inst;
51    bits<32> factor;
52    let Inst{7-0} = 0xDD;
53    let Inst{15-8} = factor{11-4}; // offset by 4 + custom decode
54    let AsmString = "baz  $factor";
55    field bits<16> SoftFail = 0;
56    }
57
58def bum : Instruction {
59    let InOperandList = (ins i32imm:$factor);
60    field bits<16> Inst;
61    bits<32> factor;
62    let Inst{7-0} = 0xEE;
63    let Inst{15-8} = !srl(factor,5);
64    let AsmString = "bum  $factor";
65    field bits<16> SoftFail = 0;
66    }
67}
68
69
70// CHECK: tmp = fieldFromInstruction(insn, 8, 7);
71// CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3;
72// CHECK: tmp |= fieldFromInstruction(insn, 8, 4) << 7;
73// CHECK: tmp |= fieldFromInstruction(insn, 12, 4) << 3;
74// CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4;
75