(a) Fix bgs 3052, 3057
(b) Incorporate Duncan's suggestions re: i1 promotion
(c) Indentation updates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59790 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Scott Michel 2008-11-21 02:56:16 +00:00
parent ef37546f68
commit 9c0c6b2e4a
6 changed files with 165 additions and 51 deletions

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@ -430,8 +430,8 @@ bool
SPUDAGToDAGISel::SelectDFormAddr(SDValue Op, SDValue N, SDValue &Base,
SDValue &Index) {
return DFormAddressPredicate(Op, N, Base, Index,
SPUFrameInfo::minFrameOffset(),
SPUFrameInfo::maxFrameOffset());
SPUFrameInfo::minFrameOffset(),
SPUFrameInfo::maxFrameOffset());
}
bool
@ -544,7 +544,35 @@ SPUDAGToDAGISel::DFormAddressPredicate(SDValue Op, SDValue N, SDValue &Base,
Base = CurDAG->getTargetConstant(0, N.getValueType());
Index = N;
return true;
} else if (Opc == ISD::Register || Opc == ISD::CopyFromReg) {
unsigned OpOpc = Op.getOpcode();
if (OpOpc == ISD::STORE || OpOpc == ISD::LOAD) {
// Direct load/store without getelementptr
SDValue Addr, Offs;
// Get the register from CopyFromReg
if (Opc == ISD::CopyFromReg)
Addr = N.getOperand(1);
else
Addr = N; // Register
if (OpOpc == ISD::STORE)
Offs = Op.getOperand(3);
else
Offs = Op.getOperand(2); // LOAD
if (Offs.getOpcode() == ISD::Constant || Offs.getOpcode() == ISD::UNDEF) {
if (Offs.getOpcode() == ISD::UNDEF)
Offs = CurDAG->getTargetConstant(0, Offs.getValueType());
Base = Offs;
Index = Addr;
return true;
}
}
}
return false;
}
@ -554,21 +582,27 @@ SPUDAGToDAGISel::DFormAddressPredicate(SDValue Op, SDValue N, SDValue &Base,
\arg Base The base pointer operand
\arg Index The offset/index operand
If the address \a N can be expressed as a [r + s10imm] address, returns false.
Otherwise, creates two operands, Base and Index that will become the [r+r]
address.
If the address \a N can be expressed as an A-form or D-form address, returns
false. Otherwise, creates two operands, Base and Index that will become the
(r)(r) X-form address.
*/
bool
SPUDAGToDAGISel::SelectXFormAddr(SDValue Op, SDValue N, SDValue &Base,
SDValue &Index) {
if (SelectAFormAddr(Op, N, Base, Index)
|| SelectDFormAddr(Op, N, Base, Index))
return false;
if (!SelectAFormAddr(Op, N, Base, Index)
&& !SelectDFormAddr(Op, N, Base, Index)) {
// default form of a X-form address is r(r) in operands 0 and 1:
SDValue Op0 = N.getOperand(0);
SDValue Op1 = N.getOperand(1);
// All else fails, punt and use an X-form address:
Base = N.getOperand(0);
Index = N.getOperand(1);
return true;
if (Op0.getOpcode() == ISD::Register && Op1.getOpcode() == ISD::Register) {
Base = Op0;
Index = Op1;
return true;
}
}
return false;
}
//! Convert the operand from a target-independent to a target-specific node

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@ -165,8 +165,7 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
setOperationAction(ISD::STORE, VT, Custom);
}
// Custom lower BRCOND for i1, i8 to "promote" the result to
// i32 and i16, respectively.
// Custom lower BRCOND for i8 to "promote" the result to i16
setOperationAction(ISD::BRCOND, MVT::Other, Custom);
// Expand the jumptable branches
@ -215,7 +214,8 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
setOperationAction(ISD::SHL, MVT::i8, Custom);
setOperationAction(ISD::SRL, MVT::i8, Custom);
setOperationAction(ISD::SRA, MVT::i8, Custom);
// And SPU needs custom lowering for shift left/right for i64
// SPU needs custom lowering for shift left/right for i64
setOperationAction(ISD::SHL, MVT::i64, Custom);
setOperationAction(ISD::SRL, MVT::i64, Custom);
setOperationAction(ISD::SRA, MVT::i64, Custom);
@ -223,7 +223,13 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
// Custom lower i8, i32 and i64 multiplications
setOperationAction(ISD::MUL, MVT::i8, Custom);
setOperationAction(ISD::MUL, MVT::i32, Custom);
setOperationAction(ISD::MUL, MVT::i64, Expand);
setOperationAction(ISD::MUL, MVT::i64, Expand); // libcall
// SMUL_LOHI, UMUL_LOHI
setOperationAction(ISD::SMUL_LOHI, MVT::i32, Custom);
setOperationAction(ISD::UMUL_LOHI, MVT::i32, Custom);
setOperationAction(ISD::SMUL_LOHI, MVT::i64, Custom);
setOperationAction(ISD::UMUL_LOHI, MVT::i64, Custom);
// Need to custom handle (some) common i8, i64 math ops
setOperationAction(ISD::ADD, MVT::i64, Custom);
@ -247,13 +253,11 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
// SPU has a version of select that implements (a&~c)|(b&c), just like
// select ought to work:
setOperationAction(ISD::SELECT, MVT::i1, Promote);
setOperationAction(ISD::SELECT, MVT::i8, Legal);
setOperationAction(ISD::SELECT, MVT::i16, Legal);
setOperationAction(ISD::SELECT, MVT::i32, Legal);
setOperationAction(ISD::SELECT, MVT::i64, Expand);
setOperationAction(ISD::SETCC, MVT::i1, Promote);
setOperationAction(ISD::SETCC, MVT::i8, Legal);
setOperationAction(ISD::SETCC, MVT::i16, Legal);
setOperationAction(ISD::SETCC, MVT::i32, Legal);
@ -299,7 +303,7 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
// We want to legalize GlobalAddress and ConstantPool nodes into the
// appropriate instructions to materialize the address.
for (unsigned sctype = (unsigned) MVT::i1; sctype < (unsigned) MVT::f128;
for (unsigned sctype = (unsigned) MVT::i8; sctype < (unsigned) MVT::f128;
++sctype) {
MVT VT = (MVT::SimpleValueType)sctype;
@ -699,8 +703,7 @@ LowerSTORE(SDValue Op, SelectionDAG &DAG, const SPUSubtarget *ST) {
int chunk_offset, slot_offset;
bool was16aligned;
// The vector type we really want to load from the 16-byte chunk, except
// in the case of MVT::i1, which has to be v16i8.
// The vector type we really want to load from the 16-byte chunk.
MVT vecVT = MVT::getVectorVT(VT, (128 / VT.getSizeInBits())),
stVecVT = MVT::getVectorVT(StVT, (128 / StVT.getSizeInBits()));
@ -908,7 +911,7 @@ LowerConstantFP(SDValue Op, SelectionDAG &DAG) {
return SDValue();
}
//! Lower MVT::i1, MVT::i8 brcond to a promoted type (MVT::i32, MVT::i16)
//! Lower MVT::i8 brcond to a promoted type (MVT::i32, MVT::i16)
static SDValue
LowerBRCOND(SDValue Op, SelectionDAG &DAG)
{
@ -916,8 +919,8 @@ LowerBRCOND(SDValue Op, SelectionDAG &DAG)
MVT CondVT = Cond.getValueType();
MVT CondNVT;
if (CondVT == MVT::i1 || CondVT == MVT::i8) {
CondNVT = (CondVT == MVT::i1 ? MVT::i32 : MVT::i16);
if (CondVT == MVT::i8) {
CondNVT = MVT::i16;
return DAG.getNode(ISD::BRCOND, Op.getValueType(),
Op.getOperand(0),
DAG.getNode(ISD::ZERO_EXTEND, CondNVT, Op.getOperand(1)),
@ -957,37 +960,37 @@ LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG, int &VarArgsFrameIndex)
switch (ObjectVT.getSimpleVT()) {
default: {
cerr << "LowerFORMAL_ARGUMENTS Unhandled argument type: "
<< ObjectVT.getMVTString()
<< "\n";
abort();
cerr << "LowerFORMAL_ARGUMENTS Unhandled argument type: "
<< ObjectVT.getMVTString()
<< "\n";
abort();
}
case MVT::i8:
ArgRegClass = &SPU::R8CRegClass;
break;
ArgRegClass = &SPU::R8CRegClass;
break;
case MVT::i16:
ArgRegClass = &SPU::R16CRegClass;
break;
ArgRegClass = &SPU::R16CRegClass;
break;
case MVT::i32:
ArgRegClass = &SPU::R32CRegClass;
break;
ArgRegClass = &SPU::R32CRegClass;
break;
case MVT::i64:
ArgRegClass = &SPU::R64CRegClass;
break;
ArgRegClass = &SPU::R64CRegClass;
break;
case MVT::f32:
ArgRegClass = &SPU::R32FPRegClass;
break;
ArgRegClass = &SPU::R32FPRegClass;
break;
case MVT::f64:
ArgRegClass = &SPU::R64FPRegClass;
break;
ArgRegClass = &SPU::R64FPRegClass;
break;
case MVT::v2f64:
case MVT::v4f32:
case MVT::v2i64:
case MVT::v4i32:
case MVT::v8i16:
case MVT::v16i8:
ArgRegClass = &SPU::VECREGRegClass;
break;
ArgRegClass = &SPU::VECREGRegClass;
break;
}
unsigned VReg = RegInfo.createVirtualRegister(ArgRegClass);
@ -2103,7 +2106,6 @@ static SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) {
// zero fill uppper part of preferred slot, don't care about the
// other slots:
unsigned int mask_val;
if (i <= prefslot_end) {
mask_val =
((i < prefslot_begin)
@ -2884,7 +2886,7 @@ SPUTargetLowering::PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const
}
}
// Otherwise, return unchanged.
#if 1
#ifdef NDEBUG
if (Result.getNode()) {
DEBUG(cerr << "\nReplace.SPU: ");
DEBUG(N->dump(&DAG));

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@ -161,7 +161,7 @@ SPUInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
case SPU::STQDr64:
case SPU::STQDr32:
case SPU::STQDr16:
// case SPU::STQDr8:
case SPU::STQDr8:
case SPU::STQXv16i8:
case SPU::STQXv8i16:
case SPU::STQXv4i32:
@ -171,7 +171,7 @@ SPUInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
case SPU::STQXr64:
case SPU::STQXr32:
case SPU::STQXr16:
// case SPU::STQXr8:
case SPU::STQXr8:
if (MI->getOperand(1).isImm() && !MI->getOperand(1).getImm() &&
MI->getOperand(2).isFI()) {
FrameIndex = MI->getOperand(2).getIndex();

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@ -3494,26 +3494,62 @@ def FIf32 :
"fi\t$rT, $rA, $rB", SPrecFP,
[(set R32FP:$rT, (SPUinterpolate R32FP:$rA, R32FP:$rB))]>;
// Floating Compare Equal
//--------------------------------------------------------------------------
// Basic single precision floating point comparisons:
//
// Note: There is no support on SPU for single precision NaN. Consequently,
// ordered and unordered comparisons are the same.
//--------------------------------------------------------------------------
def FCEQf32 :
RRForm<0b01000011110, (outs R32C:$rT), (ins R32FP:$rA, R32FP:$rB),
"fceq\t$rT, $rA, $rB", SPrecFP,
[(set R32C:$rT, (setoeq R32FP:$rA, R32FP:$rB))]>;
[(set R32C:$rT, (setueq R32FP:$rA, R32FP:$rB))]>;
def : Pat<(setoeq R32FP:$rA, R32FP:$rB),
(FCEQf32 R32FP:$rA, R32FP:$rB)>;
def FCMEQf32 :
RRForm<0b01010011110, (outs R32C:$rT), (ins R32FP:$rA, R32FP:$rB),
"fcmeq\t$rT, $rA, $rB", SPrecFP,
[(set R32C:$rT, (setoeq (fabs R32FP:$rA), (fabs R32FP:$rB)))]>;
[(set R32C:$rT, (setueq (fabs R32FP:$rA), (fabs R32FP:$rB)))]>;
def : Pat<(setoeq (fabs R32FP:$rA), (fabs R32FP:$rB)),
(FCMEQf32 R32FP:$rA, R32FP:$rB)>;
def FCGTf32 :
RRForm<0b01000011010, (outs R32C:$rT), (ins R32FP:$rA, R32FP:$rB),
"fcgt\t$rT, $rA, $rB", SPrecFP,
[(set R32C:$rT, (setogt R32FP:$rA, R32FP:$rB))]>;
[(set R32C:$rT, (setugt R32FP:$rA, R32FP:$rB))]>;
def : Pat<(setugt R32FP:$rA, R32FP:$rB),
(FCGTf32 R32FP:$rA, R32FP:$rB)>;
def FCMGTf32 :
RRForm<0b01010011010, (outs R32C:$rT), (ins R32FP:$rA, R32FP:$rB),
"fcmgt\t$rT, $rA, $rB", SPrecFP,
[(set R32C:$rT, (setogt (fabs R32FP:$rA), (fabs R32FP:$rB)))]>;
[(set R32C:$rT, (setugt (fabs R32FP:$rA), (fabs R32FP:$rB)))]>;
def : Pat<(setugt (fabs R32FP:$rA), (fabs R32FP:$rB)),
(FCMGTf32 R32FP:$rA, R32FP:$rB)>;
//--------------------------------------------------------------------------
// Single precision floating point comparisons and SETCC equivalents:
//--------------------------------------------------------------------------
def : SETCCNegCondReg<setune, R32FP, i32, XORIr32, FCEQf32>;
def : SETCCNegCondReg<setone, R32FP, i32, XORIr32, FCEQf32>;
def : SETCCBinOpReg<setuge, R32FP, ORr32, FCGTf32, FCEQf32>;
def : SETCCBinOpReg<setoge, R32FP, ORr32, FCGTf32, FCEQf32>;
def : SETCCBinOpReg<setult, R32FP, NORr32, FCGTf32, FCEQf32>;
def : SETCCBinOpReg<setolt, R32FP, NORr32, FCGTf32, FCEQf32>;
def : Pat<(setule R32FP:$rA, R32FP:$rB),
(XORIr32 (FCGTf32 R32FP:$rA, R32FP:$rB), 0xffffffff)>;
def : Pat<(setole R32FP:$rA, R32FP:$rB),
(XORIr32 (FCGTf32 R32FP:$rA, R32FP:$rB), 0xffffffff)>;
// FP Status and Control Register Write
// Why isn't rT a don't care in the ISA?

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@ -0,0 +1,20 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep {lqd.*0(\$3)} %t1.s | count 1
; RUN: grep {lqd.*16(\$3)} %t1.s | count 1
; ModuleID = 'loads.bc'
target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
target triple = "spu"
define <4 x float> @load_v4f32_1(<4 x float>* %a) nounwind readonly {
entry:
%tmp1 = load <4 x float>* %a
ret <4 x float> %tmp1
}
define <4 x float> @load_v4f32_2(<4 x float>* %a) nounwind readonly {
entry:
%arrayidx = getelementptr <4 x float>* %a, i32 1 ; <<4 x float>*> [#uses=1]
%tmp1 = load <4 x float>* %arrayidx ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp1
}

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@ -0,0 +1,22 @@
; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s
; RUN: grep {stqd.*0(\$3)} %t1.s | count 1
; RUN: grep {stqd.*16(\$3)} %t1.s | count 1
; RUN: grep 16256 %t1.s | count 1
; RUN: grep 16384 %t1.s | count 1
; ModuleID = 'stores.bc'
target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
target triple = "spu"
define void @store_v4f32_1(<4 x float>* %a) nounwind {
entry:
store <4 x float> < float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 >, <4 x float>* %a
ret void
}
define void @store_v4f32_2(<4 x float>* %a) nounwind {
entry:
%arrayidx = getelementptr <4 x float>* %a, i32 1
store <4 x float> < float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00 >, <4 x float>* %arrayidx
ret void
}