On Tue, 2010-09-07 at 13:09 +0100, Andrew Stubbs wrote: > On 07/09/10 13:01, Yao Qi wrote: > >> * Investigate reduced alignment constraints? > > > > Any details on this? > > No, I just know that some targets like to align functions to > cache-lines. This is a useful speed optimization, but does lead to lots > of "blank" gaps in the code. I have no real idea if ARM does this kind > of thing, or if the ABI has anything to say about it. > > I just suggest that we should check it out - or at least ask an ARM > expert if I'm talking nonsense. :)
I'm pretty certain we don't do this with gratuitously -Os on ARM. We may, however, align some thumb functions to a 32-bit boundary unnecessarily (still needed if there's a literal pool). R. _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
