This is very valuable input, but I'm not sure that this is the same
problem.
Consider the attached test program. I'm not sure how sensible it is, but
it shows at least two current problems. Its output, with the gcc 4.4
build chain on my disk, is :
pavilion: {233} arm-mingw32ce-gcc -o float-n2.exe float.c
-Wstrict-aliasing=2
pavilion: {234} rcp float-n2.exe ipaq:/temp
pavilion: {235} rsh ipaq /temp/float-n2.exe
Foo 34 12.000000 67
12 * 3 -> 0.000000
36 -> 0.000000
36 d -> 36.000000
pavilion: {236}
The difference between the last two printf statements points out, I
think, that a problem exists around printf. Might be float to double
conversion.
The difference between the second and fourth printf statements points
out that a problem exists in arithmetic. (dd and ddd should be equal.)
I'm not sure how the latter problem could be affected by the patches you
point to. Until I know the cause of the first problem, I can't tell
whether it should or should not be affected by the patch.
Help !?
Danny
BTW I think I applied the mingw patch locally before running all this.
On Sun, 2009-07-19 at 13:54 +0200, Vincent R. wrote:
> Here is the patchtracker reference :
>
> http://sourceforge.net/tracker/?func=detail&aid=2813569&group_id=2435&atid=302435
>
>
> and the patch
> http://sourceforge.net/tracker/download.php?group_id=2435&atid=302435&file_id=332699&aid=2813569
>
> It will be easier than looking at svn changelog...
--
Danny Backx ; danny.backx - at - scarlet.be ; http://danny.backx.info
#include <stdio.h>
#include <windows.h>
main(int argc, char *argv[])
{
double d = 12.0;
double dd = d * 3.0;
double ddd = 36.0;
float fd = 36.0;
printf("Foo %d %f %d\n", 34, d, 67);
printf(" 12 * 3 -> %f\n", dd);
printf(" 36 -> %f\n", fd);
printf(" 36 d -> %f\n", ddd);
exit (0);
}
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