1//===- PTXInstrFormats.td - PTX Instruction Formats ----------*- tblgen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10 11// Rounding Mode Specifier 12/*class RoundingMode<bits<3> val> { 13 bits<3> Value = val; 14} 15 16def RndDefault : RoundingMode<0>; 17def RndNearestEven : RoundingMode<1>; 18def RndNearestZero : RoundingMode<2>; 19def RndNegInf : RoundingMode<3>; 20def RndPosInf : RoundingMode<4>; 21def RndApprox : RoundingMode<5>;*/ 22 23 24// Rounding Mode Operand 25def RndMode : Operand<i32> { 26 let PrintMethod = "printRoundingMode"; 27} 28 29def RndDefault : PatLeaf<(i32 0)>; 30 31// PTX Predicate operand, default to (0, 0) = (zero-reg, none). 32// Leave PrintMethod empty; predicate printing is defined elsewhere. 33def pred : PredicateOperand<OtherVT, (ops RegPred, i32imm), 34 (ops (i1 zero_reg), (i32 2))>; 35 36def RndModeOperand : Operand<OtherVT> { 37 let MIOperandInfo = (ops i32imm); 38} 39 40// Instruction Types 41let Namespace = "PTX" in { 42 43 class InstPTX<dag oops, dag iops, string asmstr, list<dag> pattern> 44 : Instruction { 45 dag OutOperandList = oops; 46 dag InOperandList = !con(iops, (ins pred:$_p)); 47 let AsmString = asmstr; // Predicate printing is defined elsewhere. 48 let Pattern = pattern; 49 let isPredicable = 1; 50 } 51} 52