/* rdi = child_stack, rsi = start, rdx = pthread_struct */
__uniclone:
subq $8,%rsp /* pad parent stack to prevent branch later */
- subq $16,%rdi /* grow child_stack */
+ subq $24,%rdi /* grow child_stack */
mov %rsi,8(%rdi) /* push start onto child_stack as return ptr */
mov %rdx,0(%rdi) /* push pthread_struct onto child_stack */
mov %rdx,%r8 /* r8 = tls */