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Use multiclass for 'transfer' instructions. 

llvm-svn: 168929
This commit is contained in:
Jyotsna Verma 2012-11-29 19:35:44 +00:00
parent ec739205cc
commit e95559fc16
2 changed files with 97 additions and 79 deletions
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2
llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
View File

@ -314,7 +314,7 @@ void HexagonInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
return;
}
if (Hexagon::DoubleRegsRegClass.contains(SrcReg, DestReg)) {
BuildMI(MBB, I, DL, get(Hexagon::TFR_64), DestReg).addReg(SrcReg);
BuildMI(MBB, I, DL, get(Hexagon::TFR64), DestReg).addReg(SrcReg);
return;
}
if (Hexagon::PredRegsRegClass.contains(SrcReg, DestReg)) {

174
llvm/lib/Target/Hexagon/HexagonInstrInfo.td
View File

@ -286,22 +286,104 @@ def SUB_ri : ALU32_ri<(outs IntRegs:$dst),
"$dst = sub(#$src1, $src2)",
[(set IntRegs:$dst, (sub s10ImmPred:$src1, IntRegs:$src2))]>;
// Transfer immediate.
let isMoveImm = 1, isReMaterializable = 1, isPredicable = 1 in
def TFRI : ALU32_ri<(outs IntRegs:$dst), (ins s16Imm:$src1),
"$dst = #$src1",
[(set (i32 IntRegs:$dst), s16ImmPred:$src1)]>;
// Transfer register.
let neverHasSideEffects = 1, isPredicable = 1 in
def TFR : ALU32_ri<(outs IntRegs:$dst), (ins IntRegs:$src1),
"$dst = $src1",
[]>;
multiclass TFR_Pred<bit PredNot> {
let PredSense = #!if(PredNot, "false", "true") in {
def _c#NAME# : ALU32_rr<(outs IntRegs:$dst),
(ins PredRegs:$src1, IntRegs:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#") $dst = $src2",
[]>;
// Predicate new
let PNewValue = "new" in
def _cdn#NAME# : ALU32_rr<(outs IntRegs:$dst),
(ins PredRegs:$src1, IntRegs:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#".new) $dst = $src2",
[]>;
}
}
let neverHasSideEffects = 1, isPredicable = 1 in
def TFR64 : ALU32_ri<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1),
"$dst = $src1",
[]>;
let InputType = "reg", neverHasSideEffects = 1 in
multiclass TFR_base<string CextOp> {
let CextOpcode = CextOp, BaseOpcode = CextOp in {
let isPredicable = 1 in
def #NAME# : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
"$dst = $src1",
[]>;
let isPredicated = 1 in {
defm Pt : TFR_Pred<0>;
defm NotPt : TFR_Pred<1>;
}
}
}
multiclass TFR64_Pred<bit PredNot> {
let PredSense = #!if(PredNot, "false", "true") in {
def _c#NAME# : ALU32_rr<(outs DoubleRegs:$dst),
(ins PredRegs:$src1, DoubleRegs:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#") $dst = $src2",
[]>;
// Predicate new
let PNewValue = "new" in
def _cdn#NAME# : ALU32_rr<(outs DoubleRegs:$dst),
(ins PredRegs:$src1, DoubleRegs:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#".new) $dst = $src2",
[]>;
}
}
let InputType = "reg", neverHasSideEffects = 1 in
multiclass TFR64_base<string CextOp> {
let CextOpcode = CextOp, BaseOpcode = CextOp in {
let isPredicable = 1 in
def #NAME# : ALU32_rr<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1),
"$dst = $src1",
[]>;
let isPredicated = 1 in {
defm Pt : TFR64_Pred<0>;
defm NotPt : TFR64_Pred<1>;
}
}
}
multiclass TFRI_Pred<bit PredNot> {
let PredSense = #!if(PredNot, "false", "true") in {
def _c#NAME# : ALU32_ri<(outs IntRegs:$dst),
(ins PredRegs:$src1, s12Ext:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#") $dst = #$src2",
[]>;
// Predicate new
let PNewValue = "new" in
def _cdn#NAME# : ALU32_rr<(outs IntRegs:$dst),
(ins PredRegs:$src1, s12Ext:$src2),
!if(PredNot, "if (!$src1", "if ($src1")#".new) $dst = #$src2",
[]>;
}
}
let InputType = "imm", isExtendable = 1, isExtentSigned = 1 in
multiclass TFRI_base<string CextOp> {
let CextOpcode = CextOp, BaseOpcode = CextOp#I in {
let opExtendable = 1, opExtentBits = 16, isMoveImm = 1, isPredicable = 1,
isReMaterializable = 1 in
def #NAME# : ALU32_ri<(outs IntRegs:$dst), (ins s16Ext:$src1),
"$dst = #$src1",
[(set (i32 IntRegs:$dst), s16ExtPred:$src1)]>;
let opExtendable = 2, opExtentBits = 12, neverHasSideEffects = 1,
isPredicated = 1 in {
defm Pt : TFRI_Pred<0>;
defm NotPt : TFRI_Pred<1>;
}
}
}
defm TFRI : TFRI_base<"TFR">, ImmRegRel, PredNewRel;
defm TFR : TFR_base<"TFR">, ImmRegRel, PredNewRel;
defm TFR64 : TFR64_base<"TFR64">, ImmRegRel, PredNewRel;
// Transfer control register.
let neverHasSideEffects = 1 in
@ -432,65 +514,6 @@ def COMBINE_rr_cdnNotPt : ALU32_rr<(outs DoubleRegs:$dst),
"if (!$src1.new) $dst = combine($src2, $src3)",
[]>;
// Conditional transfer.
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR_cPt : ALU32_rr<(outs IntRegs:$dst), (ins PredRegs:$src1, IntRegs:$src2),
"if ($src1) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR_cNotPt : ALU32_rr<(outs IntRegs:$dst), (ins PredRegs:$src1,
IntRegs:$src2),
"if (!$src1) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR64_cPt : ALU32_rr<(outs DoubleRegs:$dst), (ins PredRegs:$src1,
DoubleRegs:$src2),
"if ($src1) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR64_cNotPt : ALU32_rr<(outs DoubleRegs:$dst), (ins PredRegs:$src1,
DoubleRegs:$src2),
"if (!$src1) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFRI_cPt : ALU32_ri<(outs IntRegs:$dst), (ins PredRegs:$src1, s12Imm:$src2),
"if ($src1) $dst = #$src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFRI_cNotPt : ALU32_ri<(outs IntRegs:$dst), (ins PredRegs:$src1,
s12Imm:$src2),
"if (!$src1) $dst = #$src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR_cdnPt : ALU32_rr<(outs IntRegs:$dst), (ins PredRegs:$src1,
IntRegs:$src2),
"if ($src1.new) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFR_cdnNotPt : ALU32_rr<(outs IntRegs:$dst), (ins PredRegs:$src1,
IntRegs:$src2),
"if (!$src1.new) $dst = $src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFRI_cdnPt : ALU32_ri<(outs IntRegs:$dst), (ins PredRegs:$src1,
s12Imm:$src2),
"if ($src1.new) $dst = #$src2",
[]>;
let neverHasSideEffects = 1, isPredicated = 1 in
def TFRI_cdnNotPt : ALU32_ri<(outs IntRegs:$dst), (ins PredRegs:$src1,
s12Imm:$src2),
"if (!$src1.new) $dst = #$src2",
[]>;
// Compare.
defm CMPGTU : CMP32_rr_ri_u9<"cmp.gtu", setugt>;
defm CMPGT : CMP32_rr_ri_s10<"cmp.gt", setgt>;
@ -615,11 +638,6 @@ def SUB64_rr : ALU64_rr<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1,
// Subtract halfword.
// Transfer register.
let neverHasSideEffects = 1 in
def TFR_64 : ALU64_rr<(outs DoubleRegs:$dst), (ins DoubleRegs:$src1),
"$dst = $src1",
[]>;
//===----------------------------------------------------------------------===//
// ALU64/ALU -
//===----------------------------------------------------------------------===//