Mode independent support of format conversion instructions for h

Details Mode independent support of format conversion instructions for h Mode independent support of format conversion instructions for h

1997-09-03

1999-03-30

Kim, Kenneth S.

Boots, shoes, and leggings

36471503, 36474801, 395570, G06F 738

Patent

active

058899804

ABSTRACT:
A computer system having multiple floating point modes and common instructions for each mode in order to implement operations in a mode independent manner. A computer system includes two floating point modes supported by a common set of instructions for implementing operations, said instructions thereby being mode independent. The computer system includes a means for storing information for specifying the current floating point mode; and a floating point unit adapted to execute any one instruction from among the common set of instructions in accordance with the stored rounding mode and the operation associated with said instruction, thereby providing for mode independent operation. In an embodiment of the present invention, the floating point mode is either binary floating point or hexadecimal floating point.

REFERENCES:
patent: 4949291 (1990-08-01), Saini
patent: 5268855 (1993-12-01), Mason et al.

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