[FFmpeg-devel] Stack variables alignment check in libavcodec/dsputil.c
Ramiro Ribeiro Polla
Sun Aug 12 19:06:50 CEST 2007
Zuxy Meng wrote:
> 2007/8/12, Ramiro Polla <ramiro at lisha.ufsc.br>:
>> Index: configure
>> --- configure (revision 10074)
>> +++ configure (working copy)
>> @@ -139,6 +139,8 @@
>> echo " --disable-ffplay disable ffplay build"
>> echo " --enable-small optimize for size instead of speed"
>> echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
>> + echo " --enable-force-align force stack alignment for certain functions"
>> + echo " unneeded for sane systems. (requires gcc >= 4.2)"
> Well, actually the original x86 ABI said nothing about stack alignment
> more than a dword (32 bits) and it's really not a matter of being sane
> or insane....
Sorry. I read too many archived flame wars this past week, and my mind
has been polluted by Mans and Rich...
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