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Merge pull request #3943 from martin-frbg/llvm15

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Add clang option to avoid running out of registers in AVX512 assembly
This commit is contained in:
Martin Kroeker
2023-03-18 11:24:52 +01:00
committed by GitHub
parent f3d21039ce de937b3194
commit e8db1fe89b
1 changed files with 8 additions and 4 deletions
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12
cmake/system.cmake
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@@ -172,9 +172,9 @@ if (DEFINED TARGET)
endif()
elseif (${CMAKE_C_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_C_COMPILER_ID} STREQUAL "AppleClang")
if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 8.99)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=cooperlake")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=cooperlake -exhaustive-register-search")
else()
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512 -exhaustive-register-search")
endif()
endif()
endif()
@@ -188,14 +188,17 @@ if (DEFINED TARGET)
endif()
elseif (${CMAKE_C_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_C_COMPILER_ID} STREQUAL "AppleClang")
if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 12.0)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=sapphirerapids")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=sapphirerapids -exhaustive-register-search")
else()
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512 -exhaustive-register-search")
endif()
endif()
endif()
if (${TARGET} STREQUAL SKYLAKEX AND NOT NO_AVX512)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
if (${CMAKE_C_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_C_COMPILER_ID} STREQUAL "AppleClang")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -exhaustive-register-search")
endif()
endif()
if (((${TARGET} STREQUAL ZEN) AND HAVE_AVX512VL) AND NOT NO_AVX512)
@@ -212,6 +215,7 @@ if (DEFINED TARGET)
else()
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
endif()
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -exhaustive-register-search")
endif()
endif()