Lines Matching refs:is
13 | Priority for exceptions is:
24 | Note: The IEEE standard specifies that inex2 is to be
25 | reported if ovfl occurs and the ovfl enable bit is not
26 | set but the inex2 enable bit is.
95 | Frame is an unimp frame possible resulting from an fmove <ea>,fp0
98 | a1 is modified to point into the new frame allowing fpsp equates
124 | Frame is idle, so check for exceptions reported through
162 | Bsun is not possible in unimp or unsupp
168 | exception is to set the E1/E3 byte and clr the U flag.
219 | ;it is an unsupp or unimp exc
222 | unimplemented, no FPU restore is necessary. If it was
228 tstb RES_FLG(%a6) |check if frestore is needed
239 | An fmoveout that results in an overflow is reported this way.
241 | An fmoveout that results in an underflow is reported this way.
250 | x is an extended denorm can report an underflow exception.
251 | It is the responsibility of the exception-causing exception
252 | to make sure that WBTEMP is correct.
254 | The exceptional operand is in FP_SCR1.
261 | caller set CU_ONLY. If so, the exceptional operand is expected in
264 tstb CU_ONLY(%a6) |test if inst is cu-only
301 bclrb #E1,E_BYTE(%a6) |make sure E1 is clear
318 | Check if the frame to be restored is busy or unimp.
320 | If the frame is unimp, we must create a busy frame to
326 | internal format, is in fptemp.
345 | Use a1 as pointer into new frame. a6 is not correct if an unimp or
349 | We need to set the nmcexc bits if the exception is E1. Otherwise,
379 | will occur upon execution of the fp inst. This is not desirable
391 | exception is already in the integer stack (is
394 | If the current frame is already a 6-word stack then all
395 | that needs to be done is to change the vector# to TRACE.
396 | If the frame is only a 4-word stack (meaning we got here
417 | This is a work-around for hardware bug 1384.