1 // RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s 2 3 include "llvm/Target/Target.td" 4 5 def archInstrInfo : InstrInfo { } 6 7 def arch : Target { 8 let InstructionSet = archInstrInfo; 9 } 10 11 def Myi32 : Operand<i32> { 12 let DecoderMethod = "DecodeMyi32"; 13 } 14 15 16 let OutOperandList = (outs), Size = 2 in { 17 18 def 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 $factor"; 25 field bits<16> SoftFail = 0; 26 } 27 28 def bar : Instruction { 29 let InOperandList = (ins i32imm:$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 $factor"; 35 field bits<16> SoftFail = 0; 36 } 37 38 def biz : Instruction { 39 let InOperandList = (ins i32imm:$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 $factor"; 45 field bits<16> SoftFail = 0; 46 } 47 48 def baz : Instruction { 49 let InOperandList = (ins Myi32:$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 $factor"; 55 field bits<16> SoftFail = 0; 56 } 57 58 def bum : Instruction { 59 let InOperandList = (ins i32imm:$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
