Home | History | Annotate | Line # | Download | only in ia64
h_initfini_align.S revision 1.2 
      1 /*	$NetBSD: h_initfini_align.S,v 1.2 2014/03/16 09:27:04 cherry Exp $	*/
      2 
      3 #include <machine/asm.h>
      4 
      5 RCSID("$NetBSD: h_initfini_align.S,v 1.2 2014/03/16 09:27:04 cherry Exp $")
      6 
      7 ENTRY(check_stack_alignment, 0)
      8 	.prologue
      9 	.regstk 0, 2, 0, 0
     10 
     11 	alloc loc0 = ar.pfs, 0, 2, 0, 0
     12 
     13 	.body
     14 	mov ret0 = 1
     15 	;;
     16 
     17 	/* ar.bsp has an 8-byte alignment requirement */
     18  	mov loc1 = ar.bsp
     19 	;;
     20 
     21 	and loc1 = 7, loc1
     22 	;;
     23 
     24 	cmp.eq	p1, p0 = 0, loc1
     25 	(p0)	mov ret0 = 0
     26 	;;
     27 
     28 	/* sp has a 16-byte alignment requirement */
     29 	(p1)	mov loc1 = sp
     30 	;;
     31 	(p1)	and loc1 = 15, loc1
     32 	;;
     33 
     34 	(p1)	cmp.eq p1, p0 = 0, loc1
     35 	(p0)	mov ret0 = 0
     36 
     37 	br.ret.sptk.few rp
     38