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Article #46675

gcc and Sunsoft's cc -xcg92, what's the difference? (Oracle 7)

#46675
From: Joergen Haegg
Date: Tue, 25 Oct 1994 08:52
27 lines
1863 bytes
Is there any problem with using gcc (2.5.8) together with
objectfiles compiled with Sunsofts cc -xcg92?
(Sunos5.3, compiling Oracle Pro*C-programs)

I had to create an objectfile with the variable __cg92_used defined
to be able to link the programs, otherwise it works fine.
According to the manual, it seems only to be a question of
performance:

       -xcg92 Generate code for machines  implementing  SPARC  V8
              (such  as  the SPARCstation-10 series); in particu-
              lar, the following instructions  may  be  generated
              in-line:  smul, smulcc, sdiv, sdivcc, umul, umulcc,
              udiv, udivcc, and fsmuld.  In addition, the  built-
              in   assembler   pass  will  perform  TI,TMS390Z5x-
              specific  instruction   scheduling   automatically.
              Code  compiled  with  -xcg92 will run, but possibly
              much more slowly on pre- SPARC V8 machines; as such
              the practice is strongly discouraged.

Could there be any other problem?

-- 
Joergen Haegg				jh@axis.se
Axis Communications AB			Snailmail: Axis Communications AB
Phone: +46 46 191849			Scheelevaegen 16
Fax:   +46 46 136130			S-223 70 LUND, Sweden
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From: jh@axis.se (Joergen Haegg)
Newsgroups: gnu.gcc.help
Subject: gcc and Sunsoft's cc -xcg92, what's the difference? (Oracle 7)
Date: 25 Oct 1994 08:52:44 GMT
Organization: Axis Communications AB
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