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[SYCL][NATIVECPU] Offset subgroup read/write by subgroup id #15627

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Merged
merged 1 commit into from
Oct 10, 2024
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[SYCL][NATIVECPU] Offset subgroup read/write by subgroup id #15627

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4 changes: 2 additions & 2 deletions libdevice/nativecpu_utils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -65,13 +65,13 @@ __spirv_MemoryBarrier(uint32_t Memory, uint32_t Semantics) {
template <> \
__SYCL_CONVERGENT__ DEVICE_EXTERNAL Type \
__spirv_SubgroupBlockReadINTEL<Type>(const OCL_GLOBAL PType *Ptr) noexcept { \
return *Ptr; \
return Ptr[__spirv_SubgroupLocalInvocationId()]; \
} \
template <> \
__SYCL_CONVERGENT__ DEVICE_EXTERNAL void \
__spirv_SubgroupBlockWriteINTEL<Type>(PType OCL_GLOBAL * ptr, \
Type v) noexcept { \
*(Type *)ptr = v; \
((Type*)ptr)[__spirv_SubgroupLocalInvocationId()] = v; \
}

#define DefSubgroupBlockINTEL_vt(Type, VT_name) \
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