Rev. 1.50, 10/04, page 383 of 448
and FPSCR.flag, and FR[n+3] is not updated. Appropriate processing should therefore be
performed by software.
Notes:
None
Operation:
void FIPR(int m,n) /* FIPR FVm,FVn */
{
if(FPSCR_PR == 0) {
pc += 2;
clear_cause();
fipr(m,n);
}
else undefined_operation();
}
Possible Exceptions and Overflow Exception Trap Generating Conditions:
•
Invalid operation
•
Overflow
Generation of overflow-exception traps
At least one of following results is not less than H'FC
(exponent of FRn)
+
(exponent of FRm)
(exponent of FR(n
+
1))
+
(exponent of FR(m
+
1))
(exponent of FR(n
+
2))
+
(exponent of FR(m
+
2))
(exponent of FR(n
+
3))
+
(exponent of FR(m
+
3))
•
Underflow
•
Inexact
Summary of Contents for SuperH SH-4A
Page 2: ...Rev 1 50 10 04 page ii of xx ...
Page 8: ...Rev 1 50 10 04 page viii of xx ...
Page 116: ...Rev 1 50 10 04 page 96 of 448 ...
Page 178: ...Rev 1 50 10 04 page 158 of 448 ...
Page 206: ...Rev 1 50 10 04 page 186 of 448 ...
Page 231: ...Rev 1 50 10 04 page 211 of 448 Possible Exceptions Slot illegal instruction exception ...
Page 235: ...Rev 1 50 10 04 page 215 of 448 Possible Exceptions Slot illegal instruction exception ...
Page 238: ...Rev 1 50 10 04 page 218 of 448 Possible Exceptions Slot illegal instruction exception ...
Page 408: ...Rev 1 50 10 04 page 388 of 448 Possible Exceptions Inexact Not generated when FPSCR PR 1 ...
Page 446: ...Rev 1 50 10 04 page 426 of 448 ...
Page 468: ...Rev 1 50 10 04 page 448 of 448 ...
Page 471: ......
Page 472: ...SH 4A Software Manual ...