/* x_bsun.s - Motorola 68040 FP branch/set unordered exception handler (EXC) *//* Copyright 1991-1993 Wind River Systems, Inc. */	.data	.globl	_copyright_wind_river	.long	_copyright_wind_river/*modification history--------------------01e,21jul93,kdl  added .text (SPR #2372).01d,23aug92,jcf  changed bxxx to jxx.01c,26may92,rrr  the tree shuffle01b,10jan92,kdl  added modification history; general cleanup.01a,15aug91,kdl  original version, from Motorola FPSP v2.0.*//*DESCRIPTION	x_bsunsa 3.2 4/26/91	fpsp_bsun --- FPSP handler for branch/set on unordered exception	Copy the PC to fpi to maintain 881/882 compatability	The __x_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.		Copyright (C) Motorola, Inc. 1990			All Rights Reserved	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MOTOROLA	The copyright notice above does not evidence any	actual or intended publication of such source code.X_BSUN	idnt    2,1 Motorola 040 Floating Point Software Package	section	8NOMANUAL*/#include "fpsp040E.h"|	xref	__x_real_bsun|	xref	__x_check_force	.text	.globl	__x_fpsp_bsun__x_fpsp_bsun:|	link		a6,#-LOCAL_SIZE	fsave		a7@-	moveml		d0-d1/a0-a1,a6@(USER_DA)	fmovemx		fp0-fp3,a6@(USER_FP0)	fmoveml		fpcr/fpsr/fpi,a6@(USER_FPCR)| At this point we need to look at the instructions and see if it is one of| the force-precision ones (fsadd,fdadd,fssub,fdsub,fsmul,fdmul,fsdiv,fddiv,| fssqrt,fdsqrt,fsmove,fdmove,fsabs,fdabs,fsneg,fdneg).  If it is then| correct the USER_FPCR to the instruction rounding precision (s or d).| Also, we need to check if the instruction is fsgldiv or fsglmul.  If it| is then the USER_FPCR is set to extended rounding precision.  Otherwise| leave the USER_FPCR alone.|	bsrl		__x_check_force|	movel		a6@(EXC_PC),a6@(USER_fpi)|	moveml		a6@(USER_DA),d0-d1/a0-a1	fmovemx		a6@(USER_FP0),fp0-fp3	fmoveml		a6@(USER_FPCR),fpcr/fpsr/fpi	frestore	a7@+	unlk		a6	jra 		__x_real_bsun||	end