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							|  |  |  | |	x_bsun.sa 3.3 7/1/91 | 
					
						
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							|  |  |  | |	fpsp_bsun --- FPSP handler for branch/set on unordered exception | 
					
						
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							|  |  |  | |	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. | 
					
						
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							|  |  |  | |		Copyright (C) Motorola, Inc. 1990 | 
					
						
							|  |  |  | |			All Rights Reserved | 
					
						
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										 |  |  | |       For details on the license for this file, please see the | 
					
						
							|  |  |  | |       file, README, in this same directory. | 
					
						
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											2005-04-16 15:20:36 -07:00
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							|  |  |  | X_BSUN:	|idnt    2,1 | Motorola 040 Floating Point Software Package | 
					
						
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							|  |  |  | 	|section	8 | 
					
						
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							|  |  |  | #include "fpsp.h" | 
					
						
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							|  |  |  | 	|xref	real_bsun | 
					
						
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							|  |  |  | 	.global	fpsp_bsun
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							|  |  |  | fpsp_bsun: | 
					
						
							|  |  |  | | | 
					
						
							|  |  |  | 	link		%a6,#-LOCAL_SIZE | 
					
						
							|  |  |  | 	fsave		-(%a7) | 
					
						
							|  |  |  | 	moveml		%d0-%d1/%a0-%a1,USER_DA(%a6) | 
					
						
							|  |  |  | 	fmovemx	%fp0-%fp3,USER_FP0(%a6) | 
					
						
							|  |  |  | 	fmoveml	%fpcr/%fpsr/%fpiar,USER_FPCR(%a6) | 
					
						
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							|  |  |  | 	movel		EXC_PC(%a6),USER_FPIAR(%a6) | 
					
						
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							|  |  |  | 	moveml		USER_DA(%a6),%d0-%d1/%a0-%a1 | 
					
						
							|  |  |  | 	fmovemx	USER_FP0(%a6),%fp0-%fp3 | 
					
						
							|  |  |  | 	fmoveml	USER_FPCR(%a6),%fpcr/%fpsr/%fpiar | 
					
						
							|  |  |  | 	frestore	(%a7)+ | 
					
						
							|  |  |  | 	unlk		%a6 | 
					
						
							|  |  |  | 	bral		real_bsun | 
					
						
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							|  |  |  | 	|end |