f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
34 lines
580 B
ArmAsm
34 lines
580 B
ArmAsm
/* $NetBSD: fpsetround.S,v 1.5 2011/09/30 23:45:41 christos Exp $ */
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/*
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* Written by Frank van der Linden at Wasabi Systems for NetBSD.
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* Public domain.
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*/
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#include <machine/asm.h>
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/*
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* XXX set both the x87 control word
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* Applications should only set exception and round flags
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*/
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fpsetround, _fpsetround)
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ENTRY(_fpsetround)
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#else
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ENTRY(fpsetround)
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#endif
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fnstcw -4(%esp)
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movl -4(%esp), %edx
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movl %edx, %eax
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andl $0x00000c00, %eax
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andl $0xfffff3ff, %edx
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movl 4(%esp), %ecx
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orl %ecx, %edx
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movl %edx, -4(%esp)
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fldcw -4(%esp)
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ret
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