Lines Matching refs:rsp
8 // _chkstk (_alloca) routine - probe stack between %rsp and (%rsp-%rax) in 4k increments,
9 // then decrement %rsp by %rax. Preserves all registers except %rsp and flags.
21 lea 16(%rsp),%rcx // rsp before calling this routine -> rcx
33 lea 8(%rsp),%rax // load pointer to the return address into rax
34 mov %rcx,%rsp // install the new top of stack pointer into rsp
37 sub %rsp,%rax // restore the original value in rax
