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 58} 59 60// CHECK: tmp = fieldFromInstruction(insn, 8, 7); 61// CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3; 62// CHECK: tmp |= fieldFromInstruction(insn, 8, 4) << 7; 63// CHECK: tmp |= fieldFromInstruction(insn, 12, 4) << 3; 64// CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4; 65