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Last change
on this file since 4071 was 4071, checked in by vboxsync, 17 years ago |
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Biggest check-in ever. New source code headers for all (C) innotek files.
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Property svn:keywords
set to
Id
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File size:
1.1 KB
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| 1 | ; $Id: lrintf.asm 4071 2007-08-07 17:07:59Z vboxsync $
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| 2 | ;; @file
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| 3 | ; innotek Portable Runtime - No-CRT lrintf - AMD64 & X86.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2006-2007 innotek GmbH
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License as published by the Free Software Foundation,
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| 13 | ; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | ; distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | ; be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 |
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| 17 | %include "iprt/asmdefs.mac"
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| 18 |
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| 19 | BEGINCODE
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| 20 |
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| 21 | ;;
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| 22 | ; Round rd to the nearest integer value, rounding according to the current rounding direction.
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| 23 | ; @returns 32-bit: eax 64-bit: rax
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| 24 | ; @param rf 32-bit: [esp + 4h] 64-bit: xmm0
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| 25 | BEGINPROC RT_NOCRT(lrintf)
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| 26 | %ifdef RT_ARCH_AMD64
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| 27 | cvtss2si rax, xmm0
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| 28 | %else
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| 29 | push ebp
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| 30 | mov ebp, esp
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| 31 | sub esp, 8h
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| 32 |
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| 33 | fld dword [ebp + 8h]
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| 34 | fistp dword [esp]
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| 35 | fwait
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| 36 | mov eax, [esp]
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| 37 |
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| 38 | leave
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| 39 | %endif
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| 40 | ret
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| 41 | ENDPROC RT_NOCRT(lrintf)
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| 42 |
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