55 /* Exception register definitions */
110     /* exception_index is used to index the exception register queue.  It  in decode_fpu()
111      *   always points at the last register that contains a valid exception.  A  in decode_fpu()
117      * Check for reserved-op exception.  A reserved-op exception does not   in decode_fpu()
118      * set any exception registers nor does it set the T-bit.  If the T-bit  in decode_fpu()
119      * is not set then a reserved-op exception occurred.  in decode_fpu()
133      * Now we need to determine what type of exception occurred.  in decode_fpu()
138 	   * On PA89: there are 5 different unimplemented exception  in decode_fpu()
145 		 * Clear T-bit and exception register so that  in decode_fpu()
160 			 * exception register contain the correct values  in decode_fpu()
175 			 	 * TIMEX extended unimplemented exception code  in decode_fpu()
194 	   * In PA89, the underflow exception has been extended to encode  in decode_fpu()
195 	   * additional information.  The exception looks like pp01x0,  in decode_fpu()
245 		     * exception.  If inexact trap is enabled,  in decode_fpu()
251 		    	 * Set exception field of exception register  in decode_fpu()
264 		    	 * Exception register needs to be cleared.    in decode_fpu()
300 			 * exception.  If inexact trap is enabled,  in decode_fpu()
306 				 * Set exception field of exception  in decode_fpu()
318 				 * Exception register needs to be cleared.    in decode_fpu()
339 		printk("%s(%d) Unknown FPU exception 0x%x\n", __FILE__,  in decode_fpu()
342 	  case NOEXCEPTION:	/* no exception */  in decode_fpu()
344 		 * Clear exception register in case   in decode_fpu()