Re: Linux 2.1.126pre2ac2

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 20 Oct 1998 14:28:56 +0100 (BST)

> I wouldn't worry about -O3. -O3 is just -O2 -finline-functions. And
> -finline-functions is stupid to use with the Linux kernel because all
> functions where inline makes sense are explicitely declared __inline__,
> and for the others it is most likely a loss (increasing register
> pressure on x86 and bloating the L1 cache footprint)

Well in this case the asm makes complete sense, the clobbers etc appear
to be correct and egcs appears to borrow a register thats being clobbered.

I passed Colin's dumps and commentary to an egcs bod..

Alan

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