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//===- PTXInstrInfo.td - PTX Instruction defs -----------------*- tblgen-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the PTX instructions in TableGen format.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Instruction format superclass
//===----------------------------------------------------------------------===//
include "PTXInstrFormats.td"
//===----------------------------------------------------------------------===//
// PTX Specific Node Definitions
//===----------------------------------------------------------------------===//
def PTXexit
: SDNode<"PTXISD::EXIT", SDTNone, [SDNPHasChain]>;
def PTXret
: SDNode<"PTXISD::RET", SDTNone, [SDNPHasChain]>;
//===----------------------------------------------------------------------===//
// Instruction Class Templates
//===----------------------------------------------------------------------===//
multiclass INT3<string opcstr, SDNode opnode> {
def rr : InstPTX<(outs RRegs32:$d),
(ins RRegs32:$a, RRegs32:$b),
!strconcat(opcstr, ".%type\t$d, $a, $b"),
[(set RRegs32:$d, (opnode RRegs32:$a, RRegs32:$b))]>;
def ri : InstPTX<(outs RRegs32:$d),
(ins RRegs32:$a, i32imm:$b),
!strconcat(opcstr, ".%type\t$d, $a, $b"),
[(set RRegs32:$d, (opnode RRegs32:$a, imm:$b))]>;
}
//===----------------------------------------------------------------------===//
// Instructions
//===----------------------------------------------------------------------===//
///===- Integer Arithmetic Instructions -----------------------------------===//
defm ADD : INT3<"add", add>;
defm SUB : INT3<"sub", sub>;
///===- Data Movement and Conversion Instructions -------------------------===//
let neverHasSideEffects = 1 in {
// rely on isMoveInstr to separate MOVpp, MOVrr, etc.
def MOVpp
: InstPTX<(outs Preds:$d), (ins Preds:$a), "mov.pred\t$d, $a", []>;
def MOVrr
: InstPTX<(outs RRegs32:$d), (ins RRegs32:$a), "mov.%type\t$d, $a", []>;
}
let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
def MOVpi
: InstPTX<(outs Preds:$d), (ins i1imm:$a), "mov.pred\t$d, $a",
[(set Preds:$d, imm:$a)]>;
def MOVri
: InstPTX<(outs RRegs32:$d), (ins i32imm:$a), "mov.s32\t$d, $a",
[(set RRegs32:$d, imm:$a)]>;
}
///===- Control Flow Instructions -----------------------------------------===//
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def EXIT : InstPTX<(outs), (ins), "exit", [(PTXexit)]>;
def RET : InstPTX<(outs), (ins), "ret", [(PTXret)]>;
}
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