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Eliminate the boring warning if no AOT enabled #2180

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Merged
guangyey merged 1 commit into from
Oct 16, 2025
Merged

Eliminate the boring warning if no AOT enabled #2180

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13 changes: 9 additions & 4 deletions cmake/BuildFlags.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -103,9 +103,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "MSVC"
set(SYCL_KERNEL_OPTIONS ${SYCL_KERNEL_OPTIONS} -D__INTEL_LLVM_COMPILER_VERSION=${__INTEL_LLVM_COMPILER})

CHECK_SYCL_FLAG("-fsycl-fp64-conv-emu" SUPPORTS_FP64_CONV_EMU)
if(SUPPORTS_FP64_CONV_EMU)
set(SYCL_KERNEL_OPTIONS ${SYCL_KERNEL_OPTIONS} -fsycl-fp64-conv-emu)
else()
if(NOT SUPPORTS_FP64_CONV_EMU)
message(WARNING "The compiler does not support the '-fsycl-fp64-conv-emu' flag, \
will disable it. On some platforms that don't support FP64, \
running operations with the FP64 datatype will raise a Runtime error: Required aspect fp64 is not supported on the device \
Expand All @@ -130,7 +128,6 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "MSVC"
set(SYCL_OFFLINE_COMPILER_CG_OPTIONS "${SYCL_OFFLINE_COMPILER_CG_OPTIONS} -options -cl-fp32-correctly-rounded-divide-sqrt")
set(SYCL_OFFLINE_COMPILER_CG_OPTIONS "${SYCL_OFFLINE_COMPILER_CG_OPTIONS} -options -cl-intel-greater-than-4GB-buffer-required")


if(WIN32)
set(AOT_TARGETS "mtl,mtl-h,bmg,dg2,arl-h,lnl-m")
else()
Expand All @@ -142,6 +139,14 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "MSVC"
if(AOT_TARGETS STREQUAL "none")
set(TORCH_XPU_ARCH_LIST "" PARENT_SCOPE)
else()
# Enable FP64 conversion emulation for DG2 / ATS-M targets
if(SUPPORTS_FP64_CONV_EMU)
string(FIND "${AOT_TARGETS}" "dg2" _dg2_index)
string(FIND "${AOT_TARGETS}" "ats-m" _atsm_index)
if(_dg2_index GREATER_EQUAL 0 OR _atsm_index GREATER_EQUAL 0)
set(SYCL_KERNEL_OPTIONS ${SYCL_KERNEL_OPTIONS} -fsycl-fp64-conv-emu)
endif()
endif()
set(SYCL_TARGETS_OPTION -fsycl-targets=spir64_gen,spir64)
set(SYCL_KERNEL_OPTIONS ${SYCL_KERNEL_OPTIONS} ${SYCL_TARGETS_OPTION})
set(SYCL_DEVICE_LINK_FLAGS ${SYCL_DEVICE_LINK_FLAGS} ${SYCL_TARGETS_OPTION})
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