/*      $NetBSD: alloca.S,v 1.2 2014/05/22 15:01:56 uebayasi Exp $      */

#include <machine/asm.h>

#if defined(LIBC_SCCS)
       RCSID("$NetBSD: alloca.S,v 1.2 2014/05/22 15:01:56 uebayasi Exp $")
#endif

ENTRY(alloca)
       popq    %rdx
       movq    %rsp,%rcx
       addq    $15,%rdi        /*  round up to 16 bytes */
       andq    $~15,%rdi
       subq    %rdi,%rsp
       movq    %rsp,%rax
       jmp     *%rdx
END(alloca)

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