Clang inline assembly

main_asm.c

// clang -target x86_64-pc-windows-gnu --sysroot=/usr/x86_64-w64-mingw32 -fuse-ld=lld main_asm.c -o main.exe -L/usr/lib/gcc/x86_64-w64-mingw32/13.2.0/ -static

#include <windows.h>

int main() {
    asm volatile(".intel_syntax noprefix;"
                 "mov rax, 8;"
                 ".att_syntax;");
    return 0;
}

main_msvc.c

// clang -target x86_64-pc-windows-gnu --sysroot=/usr/x86_64-w64-mingw32 -fasm-blocks -fuse-ld=lld main_msvc.c -o main.exe -L/usr/lib/gcc/x86_64-w64-mingw32/13.2.0/ -static

#include <windows.h>

int main() {
    __asm {
        mov rax, 8;
    }

    return 0;
}