34 lines
874 B
C++
34 lines
874 B
C++
include "llvm/Target/Target.td"
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def TestTarget : Target;
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class Encoding : Instruction {
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field bits<8> Inst;
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}
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class TestReg<string name, bits<1> enc> : Register<name, []> {
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let HWEncoding{15-1} = 0;
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let HWEncoding{0} = enc;
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}
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def R0 : TestReg<"R0", 0>;
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def R1 : TestReg<"R1", 1>;
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def Reg : RegisterClass<"TestTarget", [i32], 32, (sequence "R%d", 0, 1)>;
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class TestInstructionWithConstraints<string cstr> : Encoding {
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dag OutOperandList = (outs Reg:$dest1, Reg:$dest2);
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dag InOperandList = (ins Reg:$src1, Reg:$src2);
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string AsmString = "mnemonic $dest1, $dest2, $src1, $src2";
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string AsmVariantName = "";
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let Constraints = cstr;
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field bits<1> dest1;
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field bits<1> dest2;
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field bits<1> src1;
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field bits<1> src2;
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let Inst{7-4} = 0b1010;
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let Inst{3} = dest1{0};
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let Inst{2} = dest2{0};
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let Inst{1} = src1{0};
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let Inst{0} = src2{0};
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}
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