// riscv64-unknown-elf-g++ -march=rv64g test1.cpp -c -o test1.o
// riscv64-unknown-elf-ld test1.o -o test1
// spike pk ./test1; echo $?
// riscv64-unknown-elf-objdump -dr test1
// riscv64-unknown-elf-readelf -S test1.o
// riscv64-unknown-elf-readelf -s test1.o
// riscv64-unknown-elf-readelf -r test1.o

void exit() {
asm("li a7,93 \n"
      "li a0,11 \n"
      "ecall\n");

}

extern "C" void _start() {
    int i = 5, y = 0;
    if (i == 5)  {
        y = 10;
    } else {
        y = 20;
    }
       exit();
}