|Question about DEC's optimizing compilers in RISC ULTRIX firstname.lastname@example.org (1991-07-09)|
|run-time profile influencing code generation email@example.com (1991-07-26)|
|From:||firstname.lastname@example.org (Elaine Hyde)|
|Organization:||CIS Dept., Syracuse University|
|Date:||Tue, 9 Jul 91 08:30:38 EDT|
The f77 and cc compiler have a -feedback option:
Specifies the file to be used as a feedback file
(used with the -cord option). This file is produced
by prof(1) with its -feedback option from an execu-
tion of the program produced by pixie(1).
This seems like an *excellent* feature: being able to optimize with
respect to both static and dynamic information!
Could anyone please tell me
(1) Is the incorporation of dynamic information unique to DEC ultrix compilers?
(2) Are there any references (theory or implementation) for the use of dynamic
analysis for code optimization?
Thanks very much in advance.
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