only enable architecture specific optimization for armv8.1

This commit is contained in:
daanx 2024-12-08 09:02:16 -08:00
parent 60a8da75ff
commit 7c2b09fc3e

View file

@ -14,7 +14,7 @@ option(MI_TRACK_VALGRIND "Compile with Valgrind support (adds a small overhea
option(MI_TRACK_ASAN "Compile with address sanitizer support (adds a small overhead)" OFF)
option(MI_TRACK_ETW "Compile with Windows event tracing (ETW) support (adds a small overhead)" OFF)
option(MI_USE_CXX "Use the C++ compiler to compile the library (instead of the C compiler)" OFF)
option(MI_ARCHOPT "Only for optimized builds: turn on architecture specific optimizations (for x64: '-march=haswell -mavx2' (2013), for arm64: '-march=armv8.1-a' (2016))" ON)
option(MI_OPT_ARCH "Only for optimized builds: turn on architecture specific optimizations (for arm64: '-march=armv8.1-a' (2016))" ON)
option(MI_SEE_ASM "Generate assembly files" OFF)
option(MI_OSX_INTERPOSE "Use interpose to override standard malloc on macOS" ON)
option(MI_OSX_ZONE "Use malloc zone to override standard malloc on macOS" ON)
@ -114,11 +114,11 @@ if(CMAKE_C_COMPILER_ID MATCHES "MSVC|Intel")
endif()
if(CMAKE_BUILD_TYPE MATCHES "Release|RelWithDebInfo")
if (NOT MI_ARCHOPT)
message(STATUS "Architecture specific optimizations are disabled (MI_ARCHOPT=OFF)")
if (NOT MI_OPT_ARCH)
message(STATUS "Architecture specific optimizations are disabled (MI_OPT_ARCH=OFF)")
endif()
else()
set(MI_ARCHOPT OFF)
set(MI_OPT_ARCH OFF)
endif()
if(MI_OVERRIDE)
@ -328,8 +328,8 @@ if(MI_WIN_USE_FLS)
list(APPEND mi_defines MI_WIN_USE_FLS=1)
endif()
# Check architecture
set(MI_ARCHOPT_FLAGS "")
# Determine architecture
set(MI_OPT_ARCH_FLAGS "")
set(MI_ARCH "unknown")
if(APPLE)
list(FIND CMAKE_OSX_ARCHITECTURES "x86_64" x64_index)
@ -392,22 +392,18 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM
if(MI_OVERRIDE)
list(APPEND mi_cflags -fno-builtin-malloc)
endif()
if(MI_ARCHOPT)
if(MI_ARCH STREQUAL "x64")
set(MI_ARCH_OPT_FLAGS "-march=haswell;-mavx2") # fast bit scan, ~ 2013
elseif(MI_ARCH STREQUAL "arm64")
set(MI_ARCH_OPT_FLAGS "-march=armv8.1-a") # fast atomics, ~ 2016
if(MI_OPT_ARCH)
if(MI_ARCH STREQUAL "arm64")
set(MI_ARCH_OPT_FLAGS "-march=armv8.1-a") # fast atomics, since ~ 2016
endif()
endif()
endif()
if (MSVC AND MSVC_VERSION GREATER_EQUAL 1914)
list(APPEND mi_cflags /Zc:__cplusplus)
if(MI_ARCHOPT)
if(MI_ARCH STREQUAL "x64")
set(MI_ARCHOPT_FLAGS "/arch:AVX2") # fast bit scan, ~ 2013
elseif(MI_ARCH STREQUAL "arm64")
set(MI_ARCHOPT_FLAGS "/arch:armv8.1") # fast atomics, ~ 2016
if(MI_OPT_ARCH)
if(MI_ARCH STREQUAL "arm64")
set(MI_OPT_ARCH_FLAGS "/arch:armv8.1") # fast atomics, since ~ 2016
endif()
endif()
endif()
@ -418,7 +414,7 @@ endif()
if(MI_ARCH_OPT_FLAGS)
list(APPEND mi_cflags ${MI_ARCH_OPT_FLAGS})
message(STATUS "Architecture specific optimization is enabled (with ${MI_ARCH_OPT_FLAGS}) (MI_ARCHOPT=ON)")
message(STATUS "Architecture specific optimization is enabled (with ${MI_ARCH_OPT_FLAGS}) (MI_OPT_ARCH=ON)")
endif()
# extra needed libraries