JPS6470833A - Method for securing optimum register in compiler - Google Patents

Method for securing optimum register in compiler

Info

Publication number
JPS6470833A
JPS6470833A JP22779687A JP22779687A JPS6470833A JP S6470833 A JPS6470833 A JP S6470833A JP 22779687 A JP22779687 A JP 22779687A JP 22779687 A JP22779687 A JP 22779687A JP S6470833 A JPS6470833 A JP S6470833A
Authority
JP
Japan
Prior art keywords
register
record
pointer
leading
status
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP22779687A
Other languages
Japanese (ja)
Inventor
Shigeji Tsunoka
Hiroyuki Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Solution Innovators Ltd
Original Assignee
NEC Solution Innovators Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Solution Innovators Ltd filed Critical NEC Solution Innovators Ltd
Priority to JP22779687A priority Critical patent/JPS6470833A/en
Publication of JPS6470833A publication Critical patent/JPS6470833A/en
Pending legal-status Critical Current

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  • Devices For Executing Special Programs (AREA)

Abstract

PURPOSE:To speed up processing for securing an optimum register by using a register status chain, acquiring its leading pointer for a register status table and determining the optimum record of the register from the leading pointer. CONSTITUTION:A register securing means 3 refers the register status table 2 concerned in accordance with the sort of a register to be secured and acquires the leading pointer to be the contents of an entry having the lowest priority order. When a register in an A register group for instance, the leading pointer to be the contents of the entry held at the lowest priority order state is acquired from the entry in the table 2 corresponding to the A register group. Then, the means 3 accesses the record concerned in a register control table 1 by the acquired leading pointer. Then, the means 3 executes a pointer replacing processing for removing the determined record from the status chain chained at present. Consequently, the determined record is unlocked from the preceding stage chain and the record chained next to the determined record goes to the leading record of the status chain.
JP22779687A 1987-09-11 1987-09-11 Method for securing optimum register in compiler Pending JPS6470833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22779687A JPS6470833A (en) 1987-09-11 1987-09-11 Method for securing optimum register in compiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22779687A JPS6470833A (en) 1987-09-11 1987-09-11 Method for securing optimum register in compiler

Publications (1)

Publication Number Publication Date
JPS6470833A true JPS6470833A (en) 1989-03-16

Family

ID=16866523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22779687A Pending JPS6470833A (en) 1987-09-11 1987-09-11 Method for securing optimum register in compiler

Country Status (1)

Country Link
JP (1) JPS6470833A (en)

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