This is the mail archive of the crossgcc@sourceware.org mailing list for the crossgcc project.

See the CrossGCC FAQ for lots more information.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: ldrb vs ldrh in gcc-3.4.4 (ARM)

On Fri, 2005-08-19 at 09:41, Marius Groeger wrote:
> On Thu, 18 Aug 2005, Richard Earnshaw wrote:
> 
> > It probably makes no difference in 3.4 and earlier.  It might have a
> > small effect in later versions, but gcc doesn't really understand caches
> > and their layout yet.
> 
> CPU and Arch flags do have an effect on the instruction set available 
> in GAS, though, so with bad settings you may end up with a toolchain 
> not being able to compile (assemble) code written to control the 
> cache.

In general, of course.  But in the specific instance of arm9tdmi vs
arm920t it won't change anything in gas.

R.

------
Want more information?  See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/
Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]