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ARM NEON f32x4: fix FMulAdd/FNMulAdd operand order #5

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Merged
Auburn merged 1 commit into from
Sep 1, 2025
Merged

ARM NEON f32x4: fix FMulAdd/FNMulAdd operand order #5

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4 changes: 2 additions & 2 deletions include/FastSIMD/ToolSet/ARM/128/f32x4.h
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Original file line number Diff line number Diff line change
Expand Up @@ -244,12 +244,12 @@ namespace FS
template<FastSIMD::FeatureSet SIMD, typename = EnableIfNative<f32<4, SIMD>>, typename = EnableIfRelaxed<SIMD>>
FS_FORCEINLINE f32<4, SIMD> FMulAdd( const f32<4, SIMD>& a, const f32<4, SIMD>& b, const f32<4, SIMD>& c )
{
return vmlaq_f32( b.native, c.native, a.native );
return vmlaq_f32( c.native, a.native, b.native );
}

template<FastSIMD::FeatureSet SIMD, typename = EnableIfNative<f32<4, SIMD>>, typename = EnableIfRelaxed<SIMD>>
FS_FORCEINLINE f32<4, SIMD> FNMulAdd( const f32<4, SIMD>& a, const f32<4, SIMD>& b, const f32<4, SIMD>& c )
{
return vmlaq_f32( b.native, c.native, a.native );
return vmlsq_f32( c.native, a.native, b.native );
}
}
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