[cmake,intrinsics] fix NEON detection

* detect 32bit ARM architectures
* do not set -mfpu=neon for 64 bit architectures
This commit is contained in:
akallabeth 2024-07-05 09:44:45 +02:00
parent 0ac1d78fac
commit b1355471c5
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GPG Key ID: A49454A3FC909FD5
3 changed files with 23 additions and 9 deletions

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@ -17,6 +17,12 @@ check_symbol_exists("__ia64__" "" X86_IA642)
check_symbol_exists("_M_IA64" "" X86_M_IA64)
check_symbol_exists("_M_ARM64" "" MSVC_ARM64)
check_symbol_exists("__aarch64__" "" ARCH_ARM64)
check_symbol_exists("M_ARM" "" ARCH_M_ARM)
check_symbol_exists("_arm__" "" ARCH_ARM)
check_symbol_exists("_thumb__" "" ARCH_THUMB)
check_symbol_exists("_TARGET_ARCH_ARM" "" ARCH_ARM_TARGET)
check_symbol_exists("_TARGET_ARCH_THUMB" "" ARCH_ARM_TARGET_THUMB)
if (X86_i586 OR X86_i686 OR X86_X86 OR X86_X862 OR X86_I86 OR X86_IA32 OR
X86_M_IX86 OR X86_AMD64 OR X86_AMD642 OR X86_X86_64 OR X86_X86_642 OR
@ -26,8 +32,14 @@ else()
set(HAVE_SSE_OR_AVX OFF CACHE INTERNAL "internal")
endif()
if (MSVC_ARM64 OR ARCH_ARM64)
if (MSVC_ARM64 OR ARCH_ARM64 OR ARCH_M_ARM OR ARCH_ARM OR ARCH_THUMB OR ARCH_ARM_TARGET OR ARCH_ARM_TARGET_THUMB)
set(HAVE_NEON ON CACHE INTERNAL "internal")
else()
set(HAVE_NEON OFF CACHE INTERNAL "internal")
endif()
if (MSVC_ARM64 OR ARCH_ARM64)
set(HAVE_NEON64 ON CACHE INTERNAL "internal")
else()
set(HAVE_NEON64 OFF CACHE INTERNAL "internal")
endif()

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@ -79,7 +79,8 @@ if(WITH_SSE2)
endif()
endif()
if(WITH_NEON)
if (HAVE_NEON)
# aarch64 requires NEON by default, no flag required
if (HAVE_NEON AND NOT HAVE_NEON64)
if (CODEC_SSE2_SRCS)
set_source_files_properties(${CODEC_NEON_SRCS} PROPERTIES COMPILE_FLAGS "-mfpu=neon" )
endif()

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@ -116,7 +116,8 @@ if(WITH_SSE2)
endif()
endif()
elseif(WITH_NEON)
if (HAVE_NEON)
# aarch64 requires NEON by default, no flag required
if (HAVE_NEON AND NOT HAVE_NEON64)
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
if (NOT MSVC_ARM64 AND NOT ARCH_ARM64)
set_source_files_properties(${PRIMITIVES_OPT_SRCS} PROPERTIES COMPILE_FLAGS "-mfpu=neon")