*       $NetBSD: x_bsun.sa,v 1.3 2001/06/11 01:50:54 wiz Exp $

*       MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
*       M68000 Hi-Performance Microprocessor Division
*       M68040 Software Package
*
*       M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc.
*       All rights reserved.
*
*       THE SOFTWARE is provided on an "AS IS" basis and without warranty.
*       To the maximum extent permitted by applicable law,
*       MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
*       INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
*       PARTICULAR PURPOSE and any warranty against infringement with
*       regard to the SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF)
*       and any accompanying written materials.
*
*       To the maximum extent permitted by applicable law,
*       IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER
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*       OTHER PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE
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*       and support of the SOFTWARE.
*
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*       under any patents or trademarks of Motorola, Inc.

*
*       x_bsun.sa 3.3 7/1/91
*
*       fpsp_bsun --- FPSP handler for branch/set on unordered exception
*
*       Copy the PC to FPIAR to maintain 881/882 compatibility
*
*       The real_bsun handler will need to perform further corrective
*       measures as outlined in the 040 User's Manual on pages
*       9-41f, section 9.8.3.
*

X_BSUN  IDNT    2,1 Motorola 040 Floating Point Software Package

       section 8

       include fpsp.h

       xref    real_bsun

       xdef    fpsp_bsun
fpsp_bsun:
*
       link            a6,#-LOCAL_SIZE
       fsave           -(a7)
       movem.l         d0-d1/a0-a1,USER_DA(a6)
       fmovem.x        fp0-fp3,USER_FP0(a6)
       fmovem.l        fpcr/fpsr/fpiar,USER_FPCR(a6)

*
       move.l          EXC_PC(a6),USER_FPIAR(a6)
*
       movem.l         USER_DA(a6),d0-d1/a0-a1
       fmovem.x        USER_FP0(a6),fp0-fp3
       fmovem.l        USER_FPCR(a6),fpcr/fpsr/fpiar
       frestore        (a7)+
       unlk            a6
       bra.l           real_bsun
*
       end