What is the performance win for the -fast flag again?
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Jeff wrote:
> On Thu, 9 Oct 2003, Bruce Momjian wrote:
>
> >
> > So you want -fast added as default for non-gcc Solaris? You mentioned
> > there is a warning generated that we have to deal with?
> >
>
> Yeah, suncc generates a warning for _every_ file that says:
> Warning: -xarch=native has been explicitly specified, or implicitly
> specified by a macro option, -xarch=native on this architecture implies
> -xarch=v8plusa which generates code that does not run on pre-UltraSPARC
> processors
>
> And then I get various warnings here and there...
>
> lots of "statement not reached" as in ecpg's type.c module
> The offending code is a big switch statement like:
> case ECPGt_bool:
> return ("ECPGt_bool");
> break;
>
> And then any functiont aht uses PG_RETURN_NULL generates " warning:
> end-of-loop code not reached"
>
> and a bunch of "constant promoted to unsigned long long"
>
>
> And some places such as in fe-exec.c have code like this:
> buflen = strlen(strtext); /* will shrink, also we discover
> if
>
> where strtext is an unsigned char * which generates warning: argument #1
> is incompatible with prototype:
>
> and then various other type mismatches here and there.
>
> I skimmed through the manpage.. it doesn't look like we can supress
> these..
>
>
> Not sure we want it to look like we have bad code if someone uses cc.
> perhaps issue a ./configure notice or something?
>
> gcc compiles things fine.
>
>
> --
> Jeff Trout <jeff@jefftrout.com>
> http://www.jefftrout.com/
> http://www.stuarthamm.net/
>
>
>
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--
Bruce Momjian | http://candle.pha.pa.us
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