| Craig Topper | 00bc445 | 2014-09-27 04:38:02 +0000 | [diff] [blame] | 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 | |
| Craig Topper | 00bc445 | 2014-09-27 04:38:02 +0000 | [diff] [blame] | 58 | } |
| 59 | |
| Craig Topper | 00bc445 | 2014-09-27 04:38:02 +0000 | [diff] [blame] | 60 | // CHECK: tmp = fieldFromInstruction(insn, 8, 7); |
| 61 | // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3; |
| Craig Topper | 0066619 | 2014-09-27 05:36:53 +0000 | [diff] [blame] | 62 | // CHECK: tmp |= fieldFromInstruction(insn, 8, 4) << 7; |
| 63 | // CHECK: tmp |= fieldFromInstruction(insn, 12, 4) << 3; |
| 64 | // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4; |