| 1 | ; $Id: remainderf.asm 5999 2007-12-07 15:05:06Z vboxsync $
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| 2 | ;; @file
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| 3 | ; innotek Portable Runtime - No-CRT remainderf - 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 (GPL) as published by the Free Software
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| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; The contents of this file may alternatively be used under the terms
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| 18 | ; of the Common Development and Distribution License Version 1.0
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| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
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| 21 | ; CDDL are applicable instead of those of the GPL.
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| 22 | ;
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| 23 | ; You may elect to license modified versions of this file under the
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| 24 | ; terms and conditions of either the GPL or the CDDL or both.
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| 25 | ;
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| 26 |
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| 27 | %include "iprt/asmdefs.mac"
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| 28 |
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| 29 | BEGINCODE
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| 30 |
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| 31 | %ifdef RT_ARCH_AMD64
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| 32 | %define _SP rsp
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| 33 | %define _BP rbp
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| 34 | %else
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| 35 | %define _SP esp
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| 36 | %define _BP ebp
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| 37 | %endif
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| 38 |
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| 39 | ;;
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| 40 | ; See SUS.
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| 41 | ; @returns st(0)
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| 42 | ; @param rf1 [ebp + 08h] xmm0
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| 43 | ; @param rf2 [ebp + 0ch] xmm1
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| 44 | BEGINPROC RT_NOCRT(remainderf)
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| 45 | push _BP
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| 46 | mov _BP, _SP
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| 47 | sub _SP, 20h
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| 48 |
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| 49 | %ifdef RT_ARCH_AMD64
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| 50 | movss [rsp], xmm1
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| 51 | movss [rsp + 10h], xmm0
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| 52 | fld dword [rsp]
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| 53 | fld dword [rsp + 10h]
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| 54 | %else
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| 55 | fld dword [ebp + 0ch]
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| 56 | fld dword [ebp + 8h]
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| 57 | %endif
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| 58 |
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| 59 | fprem1
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| 60 | fstsw ax
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| 61 | test ah, 04h
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| 62 | jnz .done
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| 63 | fstp st1
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| 64 |
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| 65 | .done:
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| 66 | %ifdef RT_ARCH_AMD64
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| 67 | fstp dword [rsp]
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| 68 | movss xmm0, [rsp]
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| 69 | %endif
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| 70 |
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| 71 | leave
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| 72 | ret
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| 73 | ENDPROC RT_NOCRT(remainderf)
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| 74 |
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| 75 |
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