Re: drivers/char/sysrq.c

[H. Peter Anvin (hpa@zytor.com)]

Followup to:  <20030530151317.GA3973@xxxxxxxxxxxxxxxx>
By author:    "J.A. Magallon" <jamagallon@xxxxxxx>
In newsgroup: linux.dev.kernel
> 
> I see a diff:
> - & is bitwise and you always perform the op
> - && is logical and gcc must shortcut it
> 
> I think people use & 'cause they prefer the extra argument calculation
> than the branch for the shortcut (AFAIR...)
> 
> or not ?
> 

In this case it doesn't matter, since gcc should be able to prove the
right-hand-side is side-effect free.

	-hpa
-- 
<hpa@xxxxxxxxxxxxx> at work, <hpa@xxxxxxxxx> in private!
"Unix gives you enough rope to shoot yourself in the foot."
Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64
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