llvm-project/llvm/lib/Target/Hexagon/HexagonInstrInfoV3.td

270 lines
9.1 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, hasSideEffects = 1, Defs = VolatileV3.Regs, isPredicable = 1,
isExtended = 0, isExtendable = 1, opExtendable = 0,
isExtentSigned = 1, opExtentBits = 24, opExtentAlign = 2 in
class T_Call<string ExtStr>
: JInst<(outs), (ins calltarget:$dst),
"call " # ExtStr # "$dst", [], "", J_tc_2early_SLOT23> {
let BaseOpcode = "call";
bits<24> dst;
let IClass = 0b0101;
let Inst{27-25} = 0b101;
let Inst{24-16,13-1} = dst{23-2};
let Inst{0} = 0b0;
}
let isCall = 1, hasSideEffects = 1, Defs = VolatileV3.Regs, isPredicated = 1,
isExtended = 0, isExtendable = 1, opExtendable = 1,
isExtentSigned = 1, opExtentBits = 17, opExtentAlign = 2 in
class T_CallPred<bit IfTrue, string ExtStr>
: JInst<(outs), (ins PredRegs:$Pu, calltarget:$dst),
CondStr<"$Pu", IfTrue, 0>.S # "call " # ExtStr # "$dst",
[], "", J_tc_2early_SLOT23> {
let BaseOpcode = "call";
let isPredicatedFalse = !if(IfTrue,0,1);
bits<2> Pu;
bits<17> dst;
let IClass = 0b0101;
let Inst{27-24} = 0b1101;
let Inst{23-22,20-16,13,7-1} = dst{16-2};
let Inst{21} = !if(IfTrue,0,1);
let Inst{11} = 0b0;
let Inst{9-8} = Pu;
}
multiclass T_Calls<string ExtStr> {
def NAME : T_Call<ExtStr>;
def t : T_CallPred<1, ExtStr>;
def f : T_CallPred<0, ExtStr>;
}
defm J2_call: T_Calls<"">, PredRel;
let isCodeGenOnly = 1, isCall = 1, hasSideEffects = 1, Defs = VolatileV3.Regs in
def CALLv3nr : T_Call<"">, PredRel;
let isCodeGenOnly = 1, isCall = 1, hasSideEffects = 1, Defs = [PC, R31, R6, R7, P0] in
def CALLstk : T_Call<"">, PredRel;
//===----------------------------------------------------------------------===//
// J -
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// JR +
//===----------------------------------------------------------------------===//
// Call subroutine from register.
let isCodeGenOnly = 1, Defs = VolatileV3.Regs in {
def CALLRv3nr : JUMPR_MISC_CALLR<0, 1>; // Call, no return.
}
//===----------------------------------------------------------------------===//
// JR -
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// ALU64/ALU +
//===----------------------------------------------------------------------===//
let Defs = [USR_OVF], Itinerary = ALU64_tc_2_SLOT23 in
def A2_addpsat : T_ALU64_arith<"add", 0b011, 0b101, 1, 0, 1>;
class T_ALU64_addsp_hl<string suffix, bits<3> MinOp>
: T_ALU64_rr<"add", suffix, 0b0011, 0b011, MinOp, 0, 0, "">;
def A2_addspl : T_ALU64_addsp_hl<":raw:lo", 0b110>;
def A2_addsph : T_ALU64_addsp_hl<":raw:hi", 0b111>;
let hasSideEffects = 0, isAsmParserOnly = 1 in
def A2_addsp : ALU64_rr<(outs DoubleRegs:$Rd),
(ins IntRegs:$Rs, DoubleRegs:$Rt), "$Rd = add($Rs, $Rt)",
[(set (i64 DoubleRegs:$Rd), (i64 (add (i64 (sext (i32 IntRegs:$Rs))),
(i64 DoubleRegs:$Rt))))],
"", ALU64_tc_1_SLOT23>;
let hasSideEffects = 0 in
class T_XTYPE_MIN_MAX_P<bit isMax, bit isUnsigned>
: ALU64Inst<(outs DoubleRegs:$Rd), (ins DoubleRegs:$Rt, DoubleRegs:$Rs),
"$Rd = "#!if(isMax,"max","min")#!if(isUnsigned,"u","")
#"($Rt, $Rs)", [], "", ALU64_tc_2_SLOT23> {
bits<5> Rd;
bits<5> Rs;
bits<5> Rt;
let IClass = 0b1101;
let Inst{27-23} = 0b00111;
let Inst{22-21} = !if(isMax, 0b10, 0b01);
let Inst{20-16} = !if(isMax, Rt, Rs);
let Inst{12-8} = !if(isMax, Rs, Rt);
let Inst{7} = 0b1;
let Inst{6} = !if(isMax, 0b0, 0b1);
let Inst{5} = isUnsigned;
let Inst{4-0} = Rd;
}
def A2_minp : T_XTYPE_MIN_MAX_P<0, 0>;
def A2_minup : T_XTYPE_MIN_MAX_P<0, 1>;
def A2_maxp : T_XTYPE_MIN_MAX_P<1, 0>;
def A2_maxup : T_XTYPE_MIN_MAX_P<1, 1>;
multiclass MinMax_pats_p<PatFrag Op, InstHexagon Inst, InstHexagon SwapInst> {
defm: T_MinMax_pats<Op, DoubleRegs, i64, Inst, SwapInst>;
}
let AddedComplexity = 200 in {
defm: MinMax_pats_p<setge, A2_maxp, A2_minp>;
defm: MinMax_pats_p<setgt, A2_maxp, A2_minp>;
defm: MinMax_pats_p<setle, A2_minp, A2_maxp>;
defm: MinMax_pats_p<setlt, A2_minp, A2_maxp>;
defm: MinMax_pats_p<setuge, A2_maxup, A2_minup>;
defm: MinMax_pats_p<setugt, A2_maxup, A2_minup>;
defm: MinMax_pats_p<setule, A2_minup, A2_maxup>;
defm: MinMax_pats_p<setult, A2_minup, A2_maxup>;
}
//===----------------------------------------------------------------------===//
// ALU64/ALU -
//===----------------------------------------------------------------------===//
//def : Pat <(brcond (i1 (seteq (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegEzt (i32 IntRegs:$src1), bb:$offset)>;
//def : Pat <(brcond (i1 (setne (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegNzt (i32 IntRegs:$src1), bb:$offset)>;
//def : Pat <(brcond (i1 (setle (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegLezt (i32 IntRegs:$src1), bb:$offset)>;
//def : Pat <(brcond (i1 (setge (i32 IntRegs:$src1), 0)), bb:$offset),
// (JMP_RegGezt (i32 IntRegs:$src1), bb:$offset)>;
//def : Pat <(brcond (i1 (setgt (i32 IntRegs:$src1), -1)), bb:$offset),
// (JMP_RegGezt (i32 IntRegs:$src1), bb:$offset)>;
// Map call instruction
def : Pat<(callv3 (i32 IntRegs:$dst)),
(J2_callr (i32 IntRegs:$dst))>;
def : Pat<(callv3 tglobaladdr:$dst),
(J2_call tglobaladdr:$dst)>;
def : Pat<(callv3 texternalsym:$dst),
(J2_call texternalsym:$dst)>;
def : Pat<(callv3 tglobaltlsaddr:$dst),
(J2_call tglobaltlsaddr:$dst)>;
def : Pat<(callv3nr (i32 IntRegs:$dst)),
(CALLRv3nr (i32 IntRegs:$dst))>;
def : Pat<(callv3nr tglobaladdr:$dst),
(CALLv3nr tglobaladdr:$dst)>;
def : Pat<(callv3nr texternalsym:$dst),
(CALLv3nr texternalsym:$dst)>;
//===----------------------------------------------------------------------===//
// :raw form of vrcmpys:hi/lo insns
//===----------------------------------------------------------------------===//
// Vector reduce complex multiply by scalar.
let Defs = [USR_OVF], hasSideEffects = 0 in
class T_vrcmpRaw<string HiLo, bits<3>MajOp>:
MInst<(outs DoubleRegs:$Rdd),
(ins DoubleRegs:$Rss, DoubleRegs:$Rtt),
"$Rdd = vrcmpys($Rss, $Rtt):<<1:sat:raw:"#HiLo, []> {
bits<5> Rdd;
bits<5> Rss;
bits<5> Rtt;
let IClass = 0b1110;
let Inst{27-24} = 0b1000;
let Inst{23-21} = MajOp;
let Inst{20-16} = Rss;
let Inst{12-8} = Rtt;
let Inst{7-5} = 0b100;
let Inst{4-0} = Rdd;
}
def M2_vrcmpys_s1_h: T_vrcmpRaw<"hi", 0b101>;
def M2_vrcmpys_s1_l: T_vrcmpRaw<"lo", 0b111>;
// Assembler mapped to M2_vrcmpys_s1_h or M2_vrcmpys_s1_l
let hasSideEffects = 0, isAsmParserOnly = 1 in
def M2_vrcmpys_s1
: MInst<(outs DoubleRegs:$Rdd), (ins DoubleRegs:$Rss, IntRegs:$Rt),
"$Rdd=vrcmpys($Rss,$Rt):<<1:sat">;
// Vector reduce complex multiply by scalar with accumulation.
let Defs = [USR_OVF], hasSideEffects = 0 in
class T_vrcmpys_acc<string HiLo, bits<3>MajOp>:
MInst <(outs DoubleRegs:$Rxx),
(ins DoubleRegs:$_src_, DoubleRegs:$Rss, DoubleRegs:$Rtt),
"$Rxx += vrcmpys($Rss, $Rtt):<<1:sat:raw:"#HiLo, [],
"$Rxx = $_src_"> {
bits<5> Rxx;
bits<5> Rss;
bits<5> Rtt;
let IClass = 0b1110;
let Inst{27-24} = 0b1010;
let Inst{23-21} = MajOp;
let Inst{20-16} = Rss;
let Inst{12-8} = Rtt;
let Inst{7-5} = 0b100;
let Inst{4-0} = Rxx;
}
def M2_vrcmpys_acc_s1_h: T_vrcmpys_acc<"hi", 0b101>;
def M2_vrcmpys_acc_s1_l: T_vrcmpys_acc<"lo", 0b111>;
// Assembler mapped to M2_vrcmpys_acc_s1_h or M2_vrcmpys_acc_s1_l
let isAsmParserOnly = 1 in
def M2_vrcmpys_acc_s1
: MInst <(outs DoubleRegs:$dst),
(ins DoubleRegs:$dst2, DoubleRegs:$src1, IntRegs:$src2),
"$dst += vrcmpys($src1, $src2):<<1:sat", [],
"$dst2 = $dst">;
def M2_vrcmpys_s1rp_h : T_MType_vrcmpy <"vrcmpys", 0b101, 0b110, 1>;
def M2_vrcmpys_s1rp_l : T_MType_vrcmpy <"vrcmpys", 0b101, 0b111, 0>;
// Assembler mapped to M2_vrcmpys_s1rp_h or M2_vrcmpys_s1rp_l
let isAsmParserOnly = 1 in
def M2_vrcmpys_s1rp
: MInst <(outs IntRegs:$Rd), (ins DoubleRegs:$Rss, IntRegs:$Rt),
"$Rd=vrcmpys($Rss,$Rt):<<1:rnd:sat">;
// S2_cabacdecbin: Cabac decode bin.
let Defs = [P0], isPredicateLate = 1, Itinerary = S_3op_tc_1_SLOT23 in
def S2_cabacdecbin : T_S3op_64 < "decbin", 0b11, 0b110, 0>;