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[MLAS] Use C-style casting for power vector instructions (#20957)

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### Description
Uses C-style casting for Power vector instructions in
`MlasQuantizeLinearInt4Kernel`.



### Motivation and Context
Vector commands (e.g., vec_xst) need C-style casting to support various
compiler versions.
ONNX Runtime CI pipelines do not build with all compiler versions. The
recent INT4 PR broke the powerpc build for certain compiler versions
because it uses C++-style `static_cast<>`.

See:
https://github.com/microsoft/onnxruntime/pull/20362#discussion_r1630106164

Signed-off-by: adrianlizarraga <adlizarraga@microsoft.com>
This commit is contained in:
Adrian Lizarraga 2024-06-06 15:11:59 -07:00 committed by GitHub
parent 05889b33ef
commit 128bfc0665
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1 changed files with 4 additions and 1 deletions
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5
onnxruntime/core/mlas/lib/power/QuantizePower.cpp
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@ -2,6 +2,9 @@
#include "mlasi.h"
#include <altivec.h>
// NOTE: Vector commands (e.g., vec_xst) need C-style casting to support various compiler versions.
// ONNX Runtime CI pipelines do not build with all compiler versions.
template<typename OutputType>
void
MLASCALL
@ -194,7 +197,7 @@ Return Value:
auto ShortVector1 = vec_pack(IntegerVector2, IntegerVector3);
auto CharVector = vec_pack(ShortVector0, ShortVector1);
vec_xst(CharVector, 0, static_cast<int8_t *>(&TmpOutput[0]));
vec_xst(CharVector, 0, (int8_t *)(&TmpOutput[0]));
MlasPackInt4Elements(Output++, TmpOutput[0], TmpOutput[1]);
MlasPackInt4Elements(Output++, TmpOutput[2], TmpOutput[3]);