-ffloat-store behavior (Re: Susprising behavior of gcc on x86 (-m32))

Mathieu Malaterre malat@debian.org
Wed Sep 9 13:32:00 GMT 2015


Manuel,

On Wed, Sep 9, 2015 at 11:23 AM, Manuel López-Ibáñez
<lopezibanez@gmail.com> wrote:
[...]
> The manual says: "if -fexcess-precision=standard is specified then
> excess precision follows the rules specified in ISO C99; in
> particular, both casts and assignments cause values to be rounded to
> their semantic types (whereas -ffloat-store only affects
> assignments)."
[...]

That was the important part I misread: I needed an explicit cast
and/or assignment. So documentation is crystal clear, sorry for the
noise.

But anyway as Andrew pointed out this only solve the symptoms, not the
actual bug.

-M



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