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Trap if greater than or equal – NEC Network Controller uPD98502 User Manual

Page 572

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APPENDIX A MIPS III INSTRUCTION SET DETAILS

572

Preliminary User’s Manual S15543EJ1V0UM

TGE

Trap If Greater Than Or Equal

TGE

rs

SPECIAL

0 0 0 0 0 0

rt

code

31

26 25

21 20

16 15

0

6

5

5

10

TGE

1 1 0 0 0 0

6

6 5

Format:

TGE rs, rt

Description:

The contents of general register

rt are compared to the contents of general register rs. Considering both quantities

as signed integers, if the contents of general register

rs are greater than or equal to the contents of general register

rt, a trap exception occurs.

The code field is available for use as software parameters, but is retrieved by the exception handler only by loading

the contents of the memory word containing the instruction.

Operation:

32, 64 T:

if GPR [rs] > GPR [rt] then

TrapException

endif

Exceptions:

Trap exception