On 7/26/21 8:11 PM, kernel test robot wrote: >>> sparc64-linux-gcc: error: unrecognized command-line option '-mxsave' Is there something else funky going on here? All of the "-mxsave" flags that I can find are under checks for x86 builds, like: ifeq ($(CAN_BUILD_I386),1) $(BINARIES_32): CFLAGS += -m32 -mxsave .. I'm confused how we could have a sparc64 compiler (and only a sparc64 compiler) that would end up with "-mxsave" in CFLAGS.