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JIT: ARM64 - Added SVE APIs ExtractLastVector, ExtractLastScalar, ExtractAfterLastVector, ExtractAfterLastScalar #103847

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JIT: ARM64 - Added SVE APIs ExtractLastVector, ExtractLastScalar, ExtractAfterLastVector, ExtractAfterLastScalar #103847

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59c5187
ExtractLastVector, ExtractAfterLastVector, ExtractLastScalar, Extract…
TIHan Jun 22, 2024
32c90d0
Special handling for ExtractLastScalar and ExtractAfterLastScalar
TIHan Jun 22, 2024
725d73d
Few tweaks
TIHan Jun 22, 2024
2fe7714
Handling float
TIHan Jun 22, 2024
b23e622
Merge branch 'main' into sve-extract-apis
TIHan Jun 22, 2024
7210af0
Formatting
TIHan Jun 22, 2024
5e6b9d9
Feedback
TIHan Jun 24, 2024
2125977
Feedback
TIHan Jun 24, 2024
23282da
Removing flag
TIHan Jun 24, 2024
353aeb9
Merge branch 'main' into sve-extract-apis
TIHan Jun 24, 2024
3726a22
remove return
TIHan Jun 24, 2024
66ce083
Cleanup
TIHan Jun 24, 2024
a208c15
Merging
TIHan Jun 25, 2024
1374fcb
Feedback
TIHan Jun 26, 2024
fc4a2e2
Trying to fix conditional-select
TIHan Jun 27, 2024
ce5cd51
Merging with main
TIHan Jun 27, 2024
042ee87
Revert some changes
TIHan Jun 27, 2024
90c65bc
Reverting test changes
TIHan Jun 27, 2024
3b88ec7
minor cleanup
TIHan Jun 27, 2024
f122401
Formatting
TIHan Jun 27, 2024
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18 changes: 18 additions & 0 deletions src/coreclr/jit/hwintrinsic.h
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Expand Up @@ -933,6 +933,24 @@ struct HWIntrinsicInfo
return (flags & HW_Flag_ExplicitMaskedOperation) != 0;
}

// Checks if the intrinsic has an embedded mask operation and the intrinsic returns a scalar.
static bool IsEmbeddedMaskForScalarResultOperation(NamedIntrinsic id)
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{
if (IsEmbeddedMaskedOperation(id))
{
switch (id)
{
case NI_Sve_ExtractAfterLastScalar:
case NI_Sve_ExtractLastScalar:
return true;

default:
break;
}
}
return false;
}

static bool HasEnumOperand(NamedIntrinsic id)
{
const HWIntrinsicFlag flags = lookupFlags(id);
Expand Down
37 changes: 32 additions & 5 deletions src/coreclr/jit/hwintrinsiccodegenarm64.cpp
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Expand Up @@ -490,16 +490,25 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)
{
assert(!instrIsRMW);

// Special handling for ConvertTo* APIs
// Just need to change the opt here.
insScalableOpts soptEmb = INS_SCALABLE_OPTS_NONE;
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switch (intrinEmbMask.id)
{
case NI_Sve_ExtractAfterLastVector:
case NI_Sve_ExtractLastVector:
{
soptEmb = INS_SCALABLE_OPTS_WITH_SIMD_SCALAR;
break;
}

// Special handling for ConvertTo* APIs
// Just need to change the opt here.
case NI_Sve_ConvertToInt32:
case NI_Sve_ConvertToUInt32:
{
opt = intrinEmbMask.baseType == TYP_DOUBLE ? INS_OPTS_D_TO_S : INS_OPTS_SCALABLE_S;
break;
}

default:
break;
}
Expand All @@ -525,7 +534,7 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)
// If falseValue is zero, just zero out those lanes of targetReg using `movprfx`
// and /Z
GetEmitter()->emitIns_R_R_R(INS_sve_movprfx, emitSize, targetReg, maskReg, targetReg,
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opt);
opt, soptEmb);
}
}
else if (emitter::isVectorRegister(embMaskOp1Reg) && (targetReg == embMaskOp1Reg))
Expand All @@ -536,7 +545,8 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)

// We cannot use use `movprfx` here to move falseReg to targetReg because that will
// overwrite the value of embMaskOp1Reg which is present in targetReg.
GetEmitter()->emitIns_R_R_R(insEmbMask, emitSize, targetReg, maskReg, embMaskOp1Reg, opt);
GetEmitter()->emitIns_R_R_R(insEmbMask, emitSize, targetReg, maskReg, embMaskOp1Reg, opt,
soptEmb);

GetEmitter()->emitIns_R_R_R_R(INS_sve_sel, emitSize, targetReg, maskReg, targetReg,
falseReg, opt);
Expand All @@ -550,7 +560,7 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)
}
}

GetEmitter()->emitIns_R_R_R(insEmbMask, emitSize, targetReg, maskReg, embMaskOp1Reg, opt);
GetEmitter()->emitIns_R_R_R(insEmbMask, emitSize, targetReg, maskReg, embMaskOp1Reg, opt, soptEmb);
break;
}

Expand Down Expand Up @@ -2111,6 +2121,23 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)
break;
}

case NI_Sve_ExtractAfterLastScalar:
case NI_Sve_ExtractLastScalar:
assert(HWIntrinsicInfo::IsEmbeddedMaskForScalarResultOperation(intrin.id));
assert(op1Reg != REG_NA); // this is the embedded mask
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assert(op2Reg != REG_NA);

if (varTypeIsFloating(node))
{
GetEmitter()->emitIns_R_R_R(ins, EA_SCALABLE, targetReg, /* mask */ op1Reg, op2Reg, opt,
INS_SCALABLE_OPTS_WITH_SIMD_SCALAR);
}
else
{
GetEmitter()->emitIns_R_R_R(ins, emitTypeSize(node), targetReg, /* mask */ op1Reg, op2Reg, opt);
}
break;

case NI_Sve_InsertIntoShiftedVector:
{
assert(isRMW);
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4 changes: 4 additions & 0 deletions src/coreclr/jit/hwintrinsiclistarm64sve.h
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Expand Up @@ -68,6 +68,10 @@ HARDWARE_INTRINSIC(Sve, CreateWhileLessThanOrEqualMask8Bit,
HARDWARE_INTRINSIC(Sve, Divide, -1, 2, true, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_sdiv, INS_sve_udiv, INS_sve_sdiv, INS_sve_udiv, INS_sve_fdiv, INS_sve_fdiv}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_HasRMWSemantics|HW_Flag_LowMaskedOperation)
HARDWARE_INTRINSIC(Sve, DotProduct, -1, 3, true, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_sdot, INS_sve_udot, INS_sve_sdot, INS_sve_udot, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_HasRMWSemantics)
HARDWARE_INTRINSIC(Sve, DotProductBySelectedScalar, -1, 4, true, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_sdot, INS_sve_udot, INS_sve_sdot, INS_sve_udot, INS_invalid, INS_invalid}, HW_Category_SIMDByIndexedElement, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg|HW_Flag_HasImmediateOperand|HW_Flag_HasRMWSemantics|HW_Flag_LowVectorOperation)
HARDWARE_INTRINSIC(Sve, ExtractAfterLastScalar, -1, -1, false, {INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation|HW_Flag_BaseTypeFromFirstArg|HW_Flag_SpecialCodeGen)
HARDWARE_INTRINSIC(Sve, ExtractAfterLastVector, -1, -1, false, {INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta, INS_sve_lasta}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation)
HARDWARE_INTRINSIC(Sve, ExtractLastScalar, -1, -1, false, {INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation|HW_Flag_BaseTypeFromFirstArg|HW_Flag_SpecialCodeGen)
HARDWARE_INTRINSIC(Sve, ExtractLastVector, -1, -1, false, {INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb, INS_sve_lastb}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation)
HARDWARE_INTRINSIC(Sve, FusedMultiplyAdd, -1, -1, false, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fmla, INS_sve_fmla}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_HasRMWSemantics|HW_Flag_LowMaskedOperation|HW_Flag_FmaIntrinsic|HW_Flag_SpecialCodeGen)
HARDWARE_INTRINSIC(Sve, FusedMultiplyAddBySelectedScalar, -1, 4, true, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fmla, INS_sve_fmla}, HW_Category_SIMDByIndexedElement, HW_Flag_Scalable|HW_Flag_HasImmediateOperand|HW_Flag_HasRMWSemantics|HW_Flag_FmaIntrinsic|HW_Flag_LowVectorOperation)
HARDWARE_INTRINSIC(Sve, FusedMultiplyAddNegated, -1, -1, false, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fnmla, INS_sve_fnmla}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_HasRMWSemantics|HW_Flag_LowMaskedOperation|HW_Flag_FmaIntrinsic|HW_Flag_SpecialCodeGen)
Expand Down
36 changes: 27 additions & 9 deletions src/coreclr/jit/lowerarmarch.cpp
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Expand Up @@ -1309,17 +1309,35 @@ GenTree* Lowering::LowerHWIntrinsic(GenTreeHWIntrinsic* node)
unsigned simdSize = node->GetSimdSize();
var_types simdType = Compiler::getSIMDTypeForSize(simdSize);
GenTree* trueMask = comp->gtNewSimdAllTrueMaskNode(simdBaseJitType, simdSize);
GenTree* trueVal = node;
GenTree* falseVal = comp->gtNewZeroConNode(simdType);

GenTreeHWIntrinsic* condSelNode =
comp->gtNewSimdHWIntrinsicNode(simdType, trueMask, trueVal, falseVal, NI_Sve_ConditionalSelect,
simdBaseJitType, simdSize);

BlockRange().InsertBefore(node, trueMask);
BlockRange().InsertBefore(node, falseVal);
BlockRange().InsertAfter(node, condSelNode);
use.ReplaceWith(condSelNode);
if (HWIntrinsicInfo::IsEmbeddedMaskForScalarResultOperation(intrinsicId))
{
// Create the same node with an additional operand to pass the mask.
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GenTreeHWIntrinsic* newNode =
comp->gtNewSimdHWIntrinsicNode(node->TypeGet(), trueMask, node->Op(1), intrinsicId,
simdBaseJitType, simdSize);

BlockRange().InsertAfter(node->Op(1), trueMask);
BlockRange().InsertAfter(trueMask, newNode);
BlockRange().Remove(node);
use.ReplaceWith(newNode);

node = newNode;
}
else
{
GenTree* trueVal = node;
GenTree* falseVal = comp->gtNewZeroConNode(simdType);
GenTreeHWIntrinsic* condSelNode =
comp->gtNewSimdHWIntrinsicNode(simdType, trueMask, trueVal, falseVal,
NI_Sve_ConditionalSelect, simdBaseJitType, simdSize);

BlockRange().InsertBefore(node, trueMask);
BlockRange().InsertBefore(node, falseVal);
BlockRange().InsertAfter(node, condSelNode);
use.ReplaceWith(condSelNode);
}
}
}
}
Expand Down
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