| // RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s | |
| include "llvm/Target/Target.td" | |
| def archInstrInfo : InstrInfo { } | |
| def arch : Target { | |
| let InstructionSet = archInstrInfo; | |
| } | |
| def Myi32 : Operand<i32> { | |
| let DecoderMethod = "DecodeMyi32"; | |
| } | |
| let OutOperandList = (outs), Size = 2 in { | |
| def foo : Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| field bits<16> Inst; | |
| bits<32> factor; | |
| let Inst{7-0} = 0xAA; | |
| let Inst{14-8} = factor{6-0}; // no offset | |
| let AsmString = "foo $factor"; | |
| field bits<16> SoftFail = 0; | |
| } | |
| def bar : Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| field bits<16> Inst; | |
| bits<32> factor; | |
| let Inst{7-0} = 0xBB; | |
| let Inst{15-8} = factor{10-3}; // offset by 3 | |
| let AsmString = "bar $factor"; | |
| field bits<16> SoftFail = 0; | |
| } | |
| def biz : Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| field bits<16> Inst; | |
| bits<32> factor; | |
| let Inst{7-0} = 0xCC; | |
| let Inst{11-8,15-12} = factor{10-3}; // offset by 3, multipart | |
| let AsmString = "biz $factor"; | |
| field bits<16> SoftFail = 0; | |
| } | |
| def baz : Instruction { | |
| let InOperandList = (ins Myi32:$factor); | |
| field bits<16> Inst; | |
| bits<32> factor; | |
| let Inst{7-0} = 0xDD; | |
| let Inst{15-8} = factor{11-4}; // offset by 4 + custom decode | |
| let AsmString = "baz $factor"; | |
| field bits<16> SoftFail = 0; | |
| } | |
| } | |
| // CHECK: tmp = fieldFromInstruction(insn, 8, 7); | |
| // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3; | |
| // CHECK: tmp |= fieldFromInstruction(insn, 8, 4) << 7; | |
| // CHECK: tmp |= fieldFromInstruction(insn, 12, 4) << 3; | |
| // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4; |