Displaying 3 results from an estimated 3 matches for "ebotcazou".
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botcazou
2009 Dec 17
2
[LLVMdev] updated code size comparison
Hi Paolo,
> I would also avoid testcases using volatile. Smaller code on these testcases
> is often a sign of miscompilation rather than optimization. For example,
> http://embed.cs.utah.edu/embarrassing/src_harvested_dec_09/076389.c is
> miscompiled on GCC 3.4 and SunCC 5.10.
Yeah, there are definitely several examples where small code is generated
by miscompilation, especially
2009 Dec 17
0
[LLVMdev] updated code size comparison
> However I would prefer to leave these testcases in, unless there is a
> strong feeling that they are too distracting. They serve as poignant
> little reminders about how easy it is to get volatile wrong...
They skew the results in favor of the less careful compilers so they are more
than simply distracting, they are unfair.
--
Eric Botcazou
2009 Dec 17
1
[LLVMdev] updated code size comparison
On Thu, Dec 17, 2009 at 19:54, Eric Botcazou <ebotcazou at adacore.com> wrote:
>> However I would prefer to leave these testcases in, unless there is a
>> strong feeling that they are too distracting. They serve as poignant
>> little reminders about how easy it is to get volatile wrong...
>
> They skew the results in favor of...