[PATCH v2] ARM: asm: rename logical shift macros push pull into lspush lspull

Dave Martin Dave.Martin at arm.com
Tue Feb 11 12:37:54 EST 2014


On Tue, Feb 11, 2014 at 12:09:35PM -0500, Nicolas Pitre wrote:
> On Tue, 11 Feb 2014, Dave Martin wrote:
> 
> > On Mon, Feb 10, 2014 at 04:30:01PM -0500, Nicolas Pitre wrote:
> > > On Mon, 10 Feb 2014, Victor Kamensky wrote:
> > > 
> > > > Renames logical shift macros, 'push' and 'pull', defined in
> > > > arch/arm/include/asm/assembler.h, into 'lspush' and 'lspull'.
> > > 
> > > I don't have any fundamental objection to the idea, except maybe for the 
> > > actual names.  I just can't come up with anything better though.  
> > 
> > For consistency with the get_byte_ stuff, how about:
> > 
> > 	push -> towards_byte_0
> > 	pull -> from_byte_0
> > 
> > That may make the purpose a little clearer, too.
> 
> I don't know if
> 
> 	mov	r0, r1, from_byte_0 #8
> 
> is that much clearer though.
> 
> > (Assuming I've got them the right way around...)
> 
> As you later noticed you got it wrong.  :-)
> Most likely because "full from" and "push towards" are common english 
> constructs.

No more so than "pull towards" and "push from".

I'll blame it on the fact that the get_byte_ macros have wrong-
endian numbering, which I didn't look at carefully enough ;)

But I think we proved that my suggestion didn't really make things
easier to understand...

Cheers
---Dave



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