[Bug rtl-optimization/17838] spills are not re-used

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Nov 8 21:25:00 GMT 2011


--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-11-08 20:24:01 UTC ---
(In reply to comment #6)
> Created attachment 25751 [details]
> Another test case
> Another example using 
> gcc version 4.6.1 20110908 (Red Hat 4.6.1-9) (GCC) 
> The function when compiled with "-m32 -O3" uses way more stack than it should. 
> It's like it's putting the fp_int.dp[] array on the stack...
> I can confirm this is a problem on 32/64 and ARM as well.

That is a different issue dealing with memcpy works (or does not get
optimized).  File a different bug.

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