| // 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; |
| } |
| |
| let OutOperandList = (outs), Size = 2 in { |
| |
| def foo : Instruction { |
| let InOperandList = (ins i32imm:$factor); |
| field bits<16> Inst; |
| field bits<16> SoftFail = 0; |
| bits<8> factor; |
| let factor{0} = 0; // zero initial value |
| let Inst{15...8} = factor{7...0}; |
| } |
| |
| def bar : Instruction { |
| let InOperandList = (ins i32imm:$factor); |
| field bits<16> Inst; |
| field bits<16> SoftFail = 0; |
| bits<8> factor; |
| let factor{0} = 1; // non-zero initial value |
| let Inst{15...8} = factor{7...0}; |
| } |
| |
| def bax : Instruction { |
| let InOperandList = (ins i32imm:$factor); |
| field bits<16> Inst; |
| field bits<16> SoftFail = 0; |
| bits<33> factor; |
| let factor{32} = 1; // non-zero initial value |
| let Inst{15...8} = factor{32...25}; |
| } |
| |
| } |
| |
| // CHECK: tmp = fieldFromInstruction(insn, 9, 7) << 1; |
| // CHECK: tmp = 0x1; |
| // CHECK: tmp |= fieldFromInstruction(insn, 9, 7) << 1; |
| // CHECK: tmp = 0x100000000; |
| // CHECK: tmp |= fieldFromInstruction(insn, 8, 7) << 25; |
