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ggml-cpu: BMI2 is only available on amd64 #3543

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ggml-cpu: BMI2 is only available on amd64 #3543

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5 changes: 4 additions & 1 deletion ggml/src/ggml-cpu/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -308,7 +308,10 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
endif()
if (GGML_BMI2)
# MSVC does not define macro __BMI2__
list(APPEND ARCH_DEFINITIONS __BMI2__ GGML_BMI2)
if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "amd64")
# BMI2 is only available on amd64
list(APPEND ARCH_DEFINITIONS __BMI2__ GGML_BMI2)
endif()
endif()
else ()
if (GGML_NATIVE)
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