[Python-Dev] Python-acceleration instructions on ARM
"Martin v. Löwis"
martin at v.loewis.de
Wed Feb 11 20:11:38 CET 2009
> At least IA32 and AMD64 have specific addressing modes where
> it's possibile to use a multiplying factor of 1, 2, 4 or 8 for the
> index register.
>
> I hope that compilers were smart enough to already used them.
For x86, certainly (at least GCC does). For Thumb, certainly not:
the compiler cannot assume that the code is in ThumbEE mode.
Regards,
Martin
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