[MPlayer-users] is WMV8 still broken with gcc 3.2?
Arpi
arpi at thot.banki.hu
Fri Aug 23 12:22:01 CEST 2002
Hi,
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Am Freitag, 23. August 2002, 01:35:24 Uhr MET, schrieb Arpi:
> > isn't it -fno-omit-leaf-frame-pointer just like
> > -fno-omit-frame-pointer ???
>
> Hi,
>
> what makes you think this? -fomit-frame-pointer is a generic
> optimization option, while -momit-leaf-frame-pointer is x86 and x86-64
> specific.
i didn't know that
but i can't see much difference between omit-frame-pointer and
omit-leaf-frame-pointer... at least the name of option doesn't suggest that
one of them is x86 specific...
> It's always good to take a look into the fine gcc manual:
i did but i have 2.95.3 and that manpage has no -mno-omit-leaf-frame-pointer
> `-momit-leaf-frame-pointer'
hmm maybe it has without 'no-'...
sorry i was a bit tired yesterday :)
> Don't keep the frame pointer in a register for leaf functions.
> This avoids the instructions to save, set up and restore frame
> pointers and makes an extra register available in leaf functions.
> The option `-fomit-frame-pointer' removes the frame pointer for
> all functions which might make debugging harder.
and why is this x86 specific? every stack-based cpu has frame pointer...
A'rpi / Astral & ESP-team
--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
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