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comparison llvm/test/TableGen/BitOffsetDecoder.td @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children
comparison
equal deleted inserted replaced
173:0572611fdcc8 207:2e18cbf3894f
17 17
18 def foo : Instruction { 18 def foo : Instruction {
19 let InOperandList = (ins i32imm:$factor); 19 let InOperandList = (ins i32imm:$factor);
20 field bits<16> Inst; 20 field bits<16> Inst;
21 bits<32> factor; 21 bits<32> factor;
22 let Inst{7-0} = 0xAA; 22 let Inst{7...0} = 0xAA;
23 let Inst{14-8} = factor{6-0}; // no offset 23 let Inst{14...8} = factor{6...0}; // no offset
24 let AsmString = "foo $factor"; 24 let AsmString = "foo $factor";
25 field bits<16> SoftFail = 0; 25 field bits<16> SoftFail = 0;
26 } 26 }
27 27
28 def bar : Instruction { 28 def bar : Instruction {
29 let InOperandList = (ins i32imm:$factor); 29 let InOperandList = (ins i32imm:$factor);
30 field bits<16> Inst; 30 field bits<16> Inst;
31 bits<32> factor; 31 bits<32> factor;
32 let Inst{7-0} = 0xBB; 32 let Inst{7...0} = 0xBB;
33 let Inst{15-8} = factor{10-3}; // offset by 3 33 let Inst{15...8} = factor{10...3}; // offset by 3
34 let AsmString = "bar $factor"; 34 let AsmString = "bar $factor";
35 field bits<16> SoftFail = 0; 35 field bits<16> SoftFail = 0;
36 } 36 }
37 37
38 def biz : Instruction { 38 def biz : Instruction {
39 let InOperandList = (ins i32imm:$factor); 39 let InOperandList = (ins i32imm:$factor);
40 field bits<16> Inst; 40 field bits<16> Inst;
41 bits<32> factor; 41 bits<32> factor;
42 let Inst{7-0} = 0xCC; 42 let Inst{7...0} = 0xCC;
43 let Inst{11-8,15-12} = factor{10-3}; // offset by 3, multipart 43 let Inst{11...8,15...12} = factor{10...3}; // offset by 3, multipart
44 let AsmString = "biz $factor"; 44 let AsmString = "biz $factor";
45 field bits<16> SoftFail = 0; 45 field bits<16> SoftFail = 0;
46 } 46 }
47 47
48 def baz : Instruction { 48 def baz : Instruction {
49 let InOperandList = (ins Myi32:$factor); 49 let InOperandList = (ins Myi32:$factor);
50 field bits<16> Inst; 50 field bits<16> Inst;
51 bits<32> factor; 51 bits<32> factor;
52 let Inst{7-0} = 0xDD; 52 let Inst{7...0} = 0xDD;
53 let Inst{15-8} = factor{11-4}; // offset by 4 + custom decode 53 let Inst{15...8} = factor{11...4}; // offset by 4 + custom decode
54 let AsmString = "baz $factor"; 54 let AsmString = "baz $factor";
55 field bits<16> SoftFail = 0; 55 field bits<16> SoftFail = 0;
56 } 56 }
57 57
58 } 58 }
59 59
60 // CHECK: tmp = fieldFromInstruction(insn, 8, 7); 60 // CHECK: tmp = fieldFromInstruction(insn, 8, 7);
61 // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3; 61 // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 3;
62 // CHECK: tmp |= fieldFromInstruction(insn, 8, 4) << 7; 62 // CHECK: insertBits(tmp, fieldFromInstruction(insn, 8, 4), 7, 4);
63 // CHECK: tmp |= fieldFromInstruction(insn, 12, 4) << 3; 63 // CHECK: insertBits(tmp, fieldFromInstruction(insn, 12, 4), 3, 4);
64 // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4; 64 // CHECK: tmp = fieldFromInstruction(insn, 8, 8) << 4;