Merge pull request #26 from AntelopeIO/fixlto

refactor assembly usage to separate file to avoid current undefined behavior; fixes LTO builds

.github/workflows/build.yaml

@@ -18,9 +18,12 @@ jobs:
           - cfg: {name: 'gcc10',             runson: 'ubuntu-latest', container: 'debian:bullseye'}
           - cfg: {name: 'gcc11',             runson: 'ubuntu-latest', container: 'ubuntu:jammy'}
           - cfg: {name: 'gcc12',             runson: 'ubuntu-latest', container: 'debian:bookworm'}
+          - cfg: {name: 'gcc13',             runson: 'ubuntu-latest', container: 'ubuntu:noble'}
           - cfg: {name: 'gcc-arch',          runson: 'ubuntu-latest', container: 'archlinux'}
           - cfg: {name: 'clang-arch',        runson: 'ubuntu-latest', container: 'archlinux',
                   cmake: '-DCMAKE_CXX_COMPILER=clang++'}
+          - cfg: {name: 'clang-lto-arch',    runson: 'ubuntu-latest', container: 'archlinux',
+                  cmake: '-DCMAKE_CXX_COMPILER=clang++ -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On'}
           - cfg: {name: 'clang-libc++-arch', runson: 'ubuntu-latest', container: 'archlinux',
                   cmake: '-DCMAKE_CXX_COMPILER=clang++ -DCMAKE_CXX_FLAGS=-stdlib=libc++'}
           - cfg: {name: 'clang-UBSAN-arch',  runson: 'ubuntu-latest', container: 'archlinux',

CMakeLists.txt

@@ -5,7 +5,7 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND NOT CMAKE_BUILD_TYPE A
   set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
 endif()
 
-project(bls12-381 VERSION 1.0.0)
+project(bls12-381 VERSION 1.0.0 LANGUAGES CXX ASM)
 
 file(GLOB BLS12-381_SOURCES CONFIGURE_DEPENDS src/*.cpp)
 file(GLOB BLS12-381_HEADERS CONFIGURE_DEPENDS include/bls12-381/*.hpp)
@@ -15,6 +15,11 @@ target_include_directories(bls12-381 PUBLIC include)
 set_target_properties(bls12-381 PROPERTIES PUBLIC_HEADER "${BLS12-381_HEADERS}")
 target_compile_features(bls12-381 PUBLIC cxx_std_20)
 
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64)
+  target_sources(bls12-381 PRIVATE src/arithmetic.s)
+  set_source_files_properties(src/arithmetic.s PROPERTIES COMPILE_FLAGS "-Wno-unused-command-line-argument")
+endif()
+
 # the tests
 enable_testing()
 add_subdirectory(test)