llvm-6502/lib/Target/Hexagon/HexagonInstrInfoV3.td
2013-05-01 21:37:34 +00:00

108 lines
4.4 KiB
TableGen

//=- HexagonInstrInfoV3.td - Target Desc. for Hexagon Target -*- tablegen -*-=//
//
// 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 Hexagon V3 instructions in TableGen format.
//
//===----------------------------------------------------------------------===//
def callv3 : SDNode<"HexagonISD::CALLv3", SDT_SPCall,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue, SDNPVariadic]>;
def callv3nr : SDNode<"HexagonISD::CALLv3nr", SDT_SPCall,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue, SDNPVariadic]>;
//===----------------------------------------------------------------------===//
// J +
//===----------------------------------------------------------------------===//
// Call subroutine.
let isCall = 1, neverHasSideEffects = 1,
Defs = [D0, D1, D2, D3, D4, D5, D6, D7, R28, R31,
P0, P1, P2, P3, LC0, LC1, SA0, SA1] in {
def CALLv3 : JInst<(outs), (ins calltarget:$dst),
"call $dst", []>, Requires<[HasV3T]>;
}
//===----------------------------------------------------------------------===//
// J -
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// JR +
//===----------------------------------------------------------------------===//
// Call subroutine from register.
let isCall = 1, neverHasSideEffects = 1,
Defs = [D0, D1, D2, D3, D4, D5, D6, D7, R28, R31,
P0, P1, P2, P3, LC0, LC1, SA0, SA1] in {
def CALLRv3 : JRInst<(outs), (ins IntRegs:$dst),
"callr $dst",
[]>, Requires<[HasV3TOnly]>;
}
//===----------------------------------------------------------------------===//
// JR -
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// ALU64/ALU +
//===----------------------------------------------------------------------===//
let AddedComplexity = 200 in
def MAXw_dd : ALU64_rr<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1,
DoubleRegs:$src2),
"$dst = max($src2, $src1)",
[(set (i64 DoubleRegs:$dst),
(i64 (select (i1 (setlt (i64 DoubleRegs:$src2),
(i64 DoubleRegs:$src1))),
(i64 DoubleRegs:$src1),
(i64 DoubleRegs:$src2))))]>,
Requires<[HasV3T]>;
let AddedComplexity = 200 in
def MINw_dd : ALU64_rr<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1,
DoubleRegs:$src2),
"$dst = min($src2, $src1)",
[(set (i64 DoubleRegs:$dst),
(i64 (select (i1 (setgt (i64 DoubleRegs:$src2),
(i64 DoubleRegs:$src1))),
(i64 DoubleRegs:$src1),
(i64 DoubleRegs:$src2))))]>,
Requires<[HasV3T]>;
//===----------------------------------------------------------------------===//
// ALU64/ALU -
//===----------------------------------------------------------------------===//
//def : Pat <(brcond (i1 (seteq (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegEzt (i32 IntRegs:$src1), bb:$offset)>, Requires<[HasV3T]>;
//def : Pat <(brcond (i1 (setne (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegNzt (i32 IntRegs:$src1), bb:$offset)>, Requires<[HasV3T]>;
//def : Pat <(brcond (i1 (setle (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegLezt (i32 IntRegs:$src1), bb:$offset)>, Requires<[HasV3T]>;
//def : Pat <(brcond (i1 (setge (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegGezt (i32 IntRegs:$src1), bb:$offset)>, Requires<[HasV3T]>;
//def : Pat <(brcond (i1 (setgt (i32 IntRegs:$src1), -1)), bb:$offset),
// (JMP_RegGezt (i32 IntRegs:$src1), bb:$offset)>, Requires<[HasV3T]>;
// Map call instruction
def : Pat<(call (i32 IntRegs:$dst)),
(CALLRv3 (i32 IntRegs:$dst))>, Requires<[HasV3T]>;
def : Pat<(call tglobaladdr:$dst),
(CALLv3 tglobaladdr:$dst)>, Requires<[HasV3T]>;
def : Pat<(call texternalsym:$dst),
(CALLv3 texternalsym:$dst)>, Requires<[HasV3T]>;