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September 29, 2002 dmc internal error cg87 268 | ||||
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I got an internal error cg87/268 when compiling code below with DMC 8.29n (latest stable version, AFAIK): #include <math.h> int main(void) { float a = 1, b = 2, c = 3; float xxy; /*xxy = a + b * (a - c);*/ xxy = (float)exp(xxy); a = xxy / (xxy + 1); return a + xxy; } It only happens with "dmc -o+all -c cg87_268.c". Switching off any individual optimizations has no effect on the bug, but -o+none makes the error disappear. Try to change the declaration of xxy into "double xxy;", and the cg87 doesn't appear any more, even with -o+all. Regards, Laurentiu |
September 30, 2002 Re: dmc internal error cg87 268 | ||||
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Posted in reply to Laurentiu Pancescu | This works with the beta compiler 8.30, see www.digitalmars.com/download/freecompiler.html "Laurentiu Pancescu" <plaur@crosswinds.net> wrote in message news:3D9766AB.3080808@crosswinds.net... > I got an internal error cg87/268 when compiling code below with DMC 8.29n (latest stable version, AFAIK): > > #include <math.h> > int main(void) > { > float a = 1, b = 2, c = 3; > float xxy; > /*xxy = a + b * (a - c);*/ > xxy = (float)exp(xxy); > a = xxy / (xxy + 1); > return a + xxy; > } > > It only happens with "dmc -o+all -c cg87_268.c". Switching off any individual optimizations has no effect on the bug, but -o+none makes the error disappear. Try to change the declaration of xxy into "double xxy;", and the cg87 doesn't appear any more, even with -o+all. > > Regards, > Laurentiu > |
September 30, 2002 Re: dmc internal error cg87 268 | ||||
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Posted in reply to Walter | That's right, didn't take a look at that - thanks for pointing that out! Is the beta compiler also available as DLL version? I have the CD, and for SpeakFreely it was much easier to use IDDE, instead of writing huge makefiles manually...
Laurentiu
Walter wrote:
> This works with the beta compiler 8.30, see
> www.digitalmars.com/download/freecompiler.html
>
>
> "Laurentiu Pancescu" <plaur@crosswinds.net> wrote in message
> news:3D9766AB.3080808@crosswinds.net...
>
>>I got an internal error cg87/268 when compiling code below with DMC
[snip]
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June 09, 2007 Re: dmc internal error cg87 268 | ||||
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Posted in reply to Laurentiu Pancescu | == Quote from Laurentiu Pancescu (plaur@crosswinds.net)'s article > That's right, didn't take a look at that - thanks for pointing that out! > Is the beta compiler also available as DLL version? I have the CD, and > for SpeakFreely it was much easier to use IDDE, instead of writing huge > makefiles manually... > Laurentiu > Walter wrote: > > This works with the beta compiler 8.30, see www.digitalmars.com/download/freecompiler.html > > > > > > "Laurentiu Pancescu" <plaur@crosswinds.net> wrote in message news:3D9766AB.3080808@crosswinds.net... > > > >>I got an internal error cg87/268 when compiling code below with DMC > [snip] It is easy |
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