Re: [Qemu-devel] [PATCH v2 1.3] build: compile translate.o with -fno-gcse option

[Paolo Bonzini]

Il 27/11/2012 17:24, Alexander Graf ha scritto:
>>
>> +# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC
>> +# and large functions that use global variables.  The bug is in all
>> +# releases of GCC, but it became particularly acute in 4.7.x.  We
>> +# should be able to delete this at the end of 2013.
> 
> Can we add a version check for gcc here?

I don't think it is useful unless somebody finds that the patch gives
substantially worse TCG performance.

Paolo