Title:
REGISTER ASSIGNMENT METHOD AND REGISTER FILE PORT ACCESS DEVICE
Document Type and Number:
Japanese Patent JP3529888
Kind Code:
B2
Abstract:
PURPOSE: To reduce the amount of save and restore of a register at the time of a procedure call/return.
CONSTITUTION: Only registers of a truly required number of registers assigned from a register pool for each procedure by improving the register window system. This assignment is made by a called procedure itself independently of a caller procedure. When the registers in the register pool are used out, part of contents of the registers assigned already is saved in a memory to make an idle register.
Inventors:
Amerson, Frederic C.
English, Robert M.
Gupta, Rajiv
Watanabe, Hiroshi
English, Robert M.
Gupta, Rajiv
Watanabe, Hiroshi
Application Number:
JP10805695A
Publication Date:
May 24, 2004
Filing Date:
April 06, 1995
Export Citation:
Assignee:
HEWLETT PACKARD CO <HP>
HITACHI LTD
HITACHI LTD
International Classes:
G06F9/42; G06F7/72; G06F9/30; G06F9/46; G06F9/48; (IPC1-7): G06F9/42
Attorney, Agent or Firm:
岡田 次生
岡田 次生 （外１名）
岡田 次生 （外１名）
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