Serial-Studio/lib/simde/CMakeLists.txt
2024-11-24 22:58:36 -05:00

71 lines
2.6 KiB
CMake

#
# Copyright (c) 2024 Alex Spataru <https://github.com/alex-spataru>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
cmake_minimum_required(VERSION 3.20)
add_library(simde INTERFACE)
target_include_directories(simde INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
#
# ARM64 processor optimizations
#
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm|aarch64)")
message(STATUS "Detected ARM architecture")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-mfpu=neon" COMPILER_SUPPORTS_NEON)
check_cxx_compiler_flag("-march=armv8-a+simd" COMPILER_SUPPORTS_ARMV8_SIMD)
if(COMPILER_SUPPORTS_ARMV8_SIMD)
target_compile_options(simde INTERFACE -march=armv8-a+simd -DCPU_ARM64)
message(STATUS "Using ARMv8 Advanced SIMD optimizations")
elseif(COMPILER_SUPPORTS_NEON)
target_compile_options(simde INTERFACE -mfpu=neon -DCPU_ARM64)
message(STATUS "Using ARM NEON optimizations")
else()
message(WARNING "No SIMD support detected on ARM; falling back to portable mode")
add_compile_definitions(SIMDE_NO_NATIVE)
endif()
#
# Intel/AMD processor optimizations
#
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86|x86_64|AMD64)")
message(STATUS "Detected x86 architecture")
if(MSVC)
target_compile_options(simde INTERFACE /arch:AVX2 /DCPU_X86_64)
message(STATUS "Enabled AVX2 optimizations for MSVC")
else()
target_compile_options(simde INTERFACE -mavx2 -DCPU_X86_64)
message(STATUS "Enabled AVX2 optimizations for GCC & LLVM")
endif()
#
# Emulate SIMD instructions on unknown processors
#
else()
message(WARNING "Unknown architecture; enabling portable fallback")
add_compile_definitions(SIMDE_NO_NATIVE)
target_compile_options(simde INTERFACE -DSIMDE_NO_NATIVE)
endif()