PATCH: PR rtl-optimization/47502: Never combine asm statement
H.J. Lu
hjl.tools@gmail.com
Fri Mar 18 20:56:00 GMT 2011
On Fri, Mar 18, 2011 at 12:51 PM, Eric Botcazou <ebotcazou@adacore.com> wrote:
>> Is this patch OK for trunk?
>
> This has always worked for the other ports AFAIK so I don't think we should
> disable it without evaluating the impact on them. If reload has so many
> problems with x32, maybe more fundamental changes should be made to the x86
> back-end to support it.
>
X32 port exposed many issues in GCC middle-end and RTL optimizations.
The other ports never generate such asm statements combine has to deal with.
Do you have any suggestions how to fix it in backend?
Thanks.
--
H.J.
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