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Ensure we account for intrinsics which have gtType=TYP_SIMD16 but gtSIMDSize=32 #35904

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Merged
tannergooding merged 1 commit into from
May 7, 2020
Merged

Ensure we account for intrinsics which have gtType=TYP_SIMD16 but gtSIMDSize=32 #35904

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8 changes: 7 additions & 1 deletion src/coreclr/src/jit/lower.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1334,7 +1334,13 @@ void Lowering::LowerArg(GenTreeCall* call, GenTree** ppArg)
else if (arg->OperIs(GT_SIMD, GT_HWINTRINSIC))
{
GenTreeJitIntrinsic* jitIntrinsic = reinterpret_cast<GenTreeJitIntrinsic*>(arg);
assert((jitIntrinsic->gtSIMDSize == 12) || (jitIntrinsic->gtSIMDSize == 16));

// For HWIntrinsic, there are some intrinsics like ExtractVector128 which have
// a gtType of TYP_SIMD16 but a gtSIMDSize of 32, so we need to include that in
// the assert below.

assert((jitIntrinsic->gtSIMDSize == 12) || (jitIntrinsic->gtSIMDSize == 16) ||
(jitIntrinsic->gtSIMDSize == 32));

if (jitIntrinsic->gtSIMDSize == 12)
{
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