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From: cgehman@hubcap.clemson.edu (Corey Gehman)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: Is it me or Manx C 5.0c (the -MR option)
Message-ID: <13377@hubcap.clemson.edu>
Date: 4 Mar 91 07:43:42 GMT
References: <46418@nigel.ee.udel.edu>
Organization: Clemson University, Clemson, SC
Lines: 58

Ata@system-m.phx.bull.com (John G. Ata) writes:

>When I use the -so
>option, the problem goes away.  It must be either the -so option, or one
>of the optimize options which makes the problem go away.  Not all
>optimize options will work, but only a specific one which -so includes.

>                    John

Well, my problem didn't get fixed with the -so option.  Here's the
smallest I could convert the problem down to:


#define FABS(x) ((x) < 0.0 ? (0.0 - (x)) : (x))

double test()
{
double i,j;

   return (FABS ( i - j ) + FABS ( i - j ) + FABS ( i - j ));
}


Here's my error messages with serveral different options:

1> cc test
Aztec C 5.0b Jun 18 1990   (C) 1990 by Manx Software Systems, Inc.
   return (FABS ( i - j ) + FABS ( i - j ) + FABS ( i - j ));
test.c:8: ERROR 167: expression too complex - use -MR option:


1> cc -mr test
Aztec C 5.0b Jun 18 1990   (C) 1990 by Manx Software Systems, Inc.
   return (FABS ( i - j ) + FABS ( i - j ) + FABS ( i - j ));
test.c:8: ERROR 167: expression too complex - use -MR option:


1> cc -so test
Aztec C 5.0b Jun 18 1990   (C) 1990 by Manx Software Systems, Inc.
}
test.c:8: ERROR 167: expression too complex - use -MR option:

1> cc -mr -so test
Aztec C 5.0b Jun 18 1990   (C) 1990 by Manx Software Systems, Inc.
}
test.c:8: ERROR 167: expression too complex - use -MR option:

I've "fixed" the problem by using a subroutine instead of a macro
but since I often port software from unix to the amiga I don't want
to do that everytime.  I don't know if 5.0d version with the -so
option works or not.  I've ordered a new version but it hasn't got
here yet (I don't want to pay large phone bills OK?).

-- 
-------------------------------------------------------------------------------
| Corey Gehman                  | "you will get to watch the Amiga            |
| cg377170@lion.eng.clemson.edu |     FIREWORKS_DISPLAY mode."                |
| cgehman@hubcap.clemson.edu    |              - Intuition Reference Manual   |