phunix/lib/libc/arch/x86_64/gen/fpgetround.S
Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

30 lines
535 B
ArmAsm

/* $NetBSD: fpgetround.S,v 1.5 2014/05/22 15:01:56 uebayasi Exp $ */
/*
* Written by J.T. Conklin, Apr 4, 1995
* Public domain.
*/
#include <machine/asm.h>
/*
* XXX load only x87 state. If an application only uses the fp*
* interface, this should be in sync with the SSE mxcsr register.
*/
#ifdef WEAK_ALIAS
WEAK_ALIAS(fpgetround, _fpgetround)
ENTRY(_fpgetround)
#else
ENTRY(fpgetround)
#endif
fnstcw -4(%rsp)
movl -4(%rsp), %eax
andl $0x00000c00, %eax
ret
#ifdef WEAK_ALIAS
END(_fpgetround)
#else
END(fpgetround)
#endif