| // 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: insertBits(tmp, fieldFromInstruction(insn, 8, 4), 7, 4); |
| // CHECK: insertBits(tmp, fieldFromInstruction(insn, 12, 4), 3, 4); |
| // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4; |
