https://git.reactos.org/?p=reactos.git;a=commitdiff;h=bfedf9760cb464aaa1a55b19bc6899c02edba96d
commit bfedf9760cb464aaa1a55b19bc6899c02edba96d Author: Hervé Poussineau <[email protected]> AuthorDate: Sat Jan 30 18:51:07 2021 +0100 Commit: Hervé Poussineau <[email protected]> CommitDate: Mon Feb 1 19:57:12 2021 +0100 [FREELDR] Disable SSE instructions for GCC x64 Even if all x64 CPUs can handle SSE instructions, prevent GCC x64 to generate them, as FreeLoader is not ready to handle them. --- boot/freeldr/freeldr/CMakeLists.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/boot/freeldr/freeldr/CMakeLists.txt b/boot/freeldr/freeldr/CMakeLists.txt index 95dc2e31224..f4610d4c12f 100644 --- a/boot/freeldr/freeldr/CMakeLists.txt +++ b/boot/freeldr/freeldr/CMakeLists.txt @@ -225,6 +225,10 @@ if(NOT MSVC AND ARCH STREQUAL "i386" AND SARCH STREQUAL "xbox") # Prevent a warning when doing a memcmp with address 0 set_source_files_properties(arch/i386/xbox/xboxmem.c PROPERTIES COMPILE_FLAGS "-Wno-nonnull") endif() +if(ARCH STREQUAL "amd64" AND NOT MSVC) + # Prevent using SSE (not support in freeldr) + target_compile_options(freeldr_common PUBLIC -mno-sse) +endif() set(PCH_SOURCE ${FREELDR_BOOTLIB_SOURCE}
