Signature __________________ Name_______________
cs30x____
Student ID _________________ Score:
Quiz 4
CSE 30
Fall 2005
#1.
To access local variables stored on the Runtime Stack in the SPARC architecture, you use a
____________________ offset relative to register ___________.
The ___________ instruction saves the current value of %pc in %o7.
The ret instruction adds __________ to the value in __________ and stores the result in __________.
In gdb, how do you set a breakpoint at a function named scooby?
_______________________________
The ___________ registers in the current register window set are mapped back to the ___________ registers as
part of the restore instruction.
________________ subroutines support recursion.
If we have a ret instruction, the next instruction should be ___________________.
#2.
a) Convert -76.12510 to binary fixed-point and single precision IEEE floating-point representation (expressed in
hexadecimal).
binary fixed-point __________________________________ x 20
IEEE floating-point _______________________________________ (hexadecimal)
b) Convert 0x428A8000 (single precision IEEE floating-point representation) to fixed-point decimal.
fixed-point decimal ______________________________ (decimal / no exponential notation)
(over)
