1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* $OpenBSD: flt_rounds.S,v 1.2 2012/08/22 17:19:34 pascal Exp $ */
/* $NetBSD: flt_rounds.S,v 1.2 2002/06/06 23:04:35 fvdl Exp $ */
/*
* Written by J.T. Conklin, Apr 4, 1995
* Public domain.
*/
#include <machine/asm.h>
.text
_ALIGN_TEXT
_map:
.byte 1 /* round to nearest */
.byte 3 /* round to negative infinity */
.byte 2 /* round to positive infinity */
.byte 0 /* round to zero */
ENTRY(__flt_rounds)
fnstcw -4(%rsp)
movl -4(%rsp),%eax
shrl $10,%eax
andl $3,%eax
#ifdef __PIC__
leaq PIC_GOT(_map),%rcx
movb (%rcx,%rax,1),%al
#else
movb _map(,%rax,1),%al
#endif
ret
|
