shithub: cstory

Download patch

ref: f1740a2c5e0d2fce39ae009a5c1324dd04989a92
parent: ed1ff2f275ff2f43cb0cad64cf40a2a032349016
author: Clownacy <Clownacy@users.noreply.github.com>
date: Wed Jan 29 20:19:45 EST 2020

Add native-optimisations and LTO to DoConfig and bin2h

Forgot bin2h even had a CMake file

--- a/DoConfig/CMakeLists.txt
+++ b/DoConfig/CMakeLists.txt
@@ -9,6 +9,8 @@
 endif()
 
 option(LTO "Enable link-time optimisation" OFF)
+option(NATIVE_OPTIMIZATIONS "Enable processor-specific optimisations (executable might not work on other architectures) (GCC-compatible compilers only)" OFF)
+
 option(WARNINGS "Enable common compiler warnings (for GCC-compatible compilers and MSVC only)" OFF)
 option(WARNINGS_ALL "Enable ALL compiler warnings (for Clang and MSVC only)" OFF)
 option(WARNINGS_FATAL "Stop compilation on any compiler warning (for GCC-compatible compilers and MSVC only)" OFF)
@@ -54,7 +56,7 @@
 		# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
 		# 	string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 		# else()
-		# 	target_compile_options(CSE2 PRIVATE /W4)
+		# 	target_compile_options(DoConfig PRIVATE /W4)
 		# endif()
 
 		target_compile_options(DoConfig PRIVATE /W4)
@@ -75,7 +77,7 @@
 		# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
 		# 	string(REGEX REPLACE "/W[0-4]" "/Wall" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 		# else()
-		# 	target_compile_options(CSE2 PRIVATE /Wall)
+		# 	target_compile_options(DoConfig PRIVATE /Wall)
 		# endif()
 
 		target_compile_options(DoConfig PRIVATE /Wall)
@@ -147,6 +149,25 @@
 		check_ipo_supported(RESULT result)
 		if(result)
 			set_target_properties(DoConfig PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+		endif()
+	endif()
+endif()
+
+# Enable -march=native if available
+if(NATIVE_OPTIMIZATIONS)
+	include(CheckCXXCompilerFlag)
+	CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)	# GCC flag
+	if(COMPILER_SUPPORTS_MARCH_NATIVE)
+		target_compile_options(DoConfig PRIVATE -march=native)
+	else()
+		CHECK_CXX_COMPILER_FLAG("-xHost" COMPILER_SUPPORTS_XHOST)	# ICC (Linux) flag
+		CHECK_CXX_COMPILER_FLAG("/QxHost" COMPILER_SUPPORTS_QXHOST)	# ICC (Windows) flag
+		if(COMPILER_SUPPORTS_XHOST)
+			target_compile_options(DoConfig PRIVATE -xHost)
+		elseif(COMPILER_SUPPORTS_QXHOST)
+			target_compile_options(DoConfig PRIVATE /QxHost)
+		else()
+			message(WARNING "Couldn't activate native optimizations ! (Unsupported compiler)")
 		endif()
 	endif()
 endif()
--- a/bin2h/CMakeLists.txt
+++ b/bin2h/CMakeLists.txt
@@ -4,6 +4,9 @@
 	cmake_policy(SET CMP0069 NEW)
 endif()
 
+option(LTO "Enable link-time optimisation" OFF)
+option(NATIVE_OPTIMIZATIONS "Enable processor-specific optimisations (executable might not work on other architectures) (GCC-compatible compilers only)" OFF)
+
 option(WARNINGS "Enable common compiler warnings (for gcc-compatible compilers and MSVC only)" OFF)
 option(WARNINGS_ALL "Enable ALL compiler warnings (for clang and MSVC only)" OFF)
 option(WARNINGS_FATAL "Stop compilation on any compiler warning (for gcc-compatible compilers and MSVC only)" OFF)
@@ -54,7 +57,7 @@
 		# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
 		# 	string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 		# else()
-		# 	target_compile_options(CSE2 PRIVATE /W4)
+		# 	target_compile_options(bin2h PRIVATE /W4)
 		# endif()
 
 		target_compile_options(bin2h PRIVATE /W4)
@@ -75,7 +78,7 @@
 		# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
 		# 	string(REGEX REPLACE "/W[0-4]" "/Wall" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 		# else()
-		# 	target_compile_options(CSE2 PRIVATE /Wall)
+		# 	target_compile_options(bin2h PRIVATE /Wall)
 		# endif()
 
 		target_compile_options(bin2h PRIVATE /Wall)
@@ -90,10 +93,8 @@
 	# HACK : Replace this with CMake provided stuff when possible (when CMake makes avoiding this possible (it isn't currently))
 
 	if (MSVC)
-		target_compile_options(CSE2 PRIVATE /WX)
 		target_compile_options(bin2h PRIVATE /WX)
 	elseif(COMPILER_IS_GCC_COMPATIBLE)
-		target_compile_options(CSE2 PRIVATE -Werror)
 		target_compile_options(bin2h PRIVATE -Werror)
 	else()
 		message(WARNING "Could not activate fatal warnings ! (Unsupported compiler)")
@@ -115,6 +116,36 @@
 		check_ipo_supported(RESULT result)
 		if(result)
 			set_target_properties(bin2h PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+		endif()
+	endif()
+endif()
+
+# Enable link-time optimisation if available
+if(LTO)
+	if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
+		include(CheckIPOSupported)
+		check_ipo_supported(RESULT result)
+		if(result)
+			set_target_properties(bin2h PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+		endif()
+	endif()
+endif()
+
+# Enable -march=native if available
+if(NATIVE_OPTIMIZATIONS)
+	include(CheckCXXCompilerFlag)
+	CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)	# GCC flag
+	if(COMPILER_SUPPORTS_MARCH_NATIVE)
+		target_compile_options(bin2h PRIVATE -march=native)
+	else()
+		CHECK_CXX_COMPILER_FLAG("-xHost" COMPILER_SUPPORTS_XHOST)	# ICC (Linux) flag
+		CHECK_CXX_COMPILER_FLAG("/QxHost" COMPILER_SUPPORTS_QXHOST)	# ICC (Windows) flag
+		if(COMPILER_SUPPORTS_XHOST)
+			target_compile_options(bin2h PRIVATE -xHost)
+		elseif(COMPILER_SUPPORTS_QXHOST)
+			target_compile_options(bin2h PRIVATE /QxHost)
+		else()
+			message(WARNING "Couldn't activate native optimizations ! (Unsupported compiler)")
 		endif()
 	endif()
 endif()
--