Hi Måns, On Mon, 10 Feb 2014 15:14:49 +0000, Måns Rullgård <m...@mansr.com> wrote:
> Albert ARIBAUD <albert.u.b...@aribaud.net> writes: > > > Hi Tom, > > > > On Mon, 10 Feb 2014 08:21:39 -0500, Tom Rini <tr...@ti.com> wrote: > > > >> On Mon, Feb 10, 2014 at 10:24:47AM +0100, Albert ARIBAUD wrote: > >> > Hi Tom, > >> > > >> > On Tue, 4 Feb 2014 12:05:33 -0500, Tom Rini <tr...@ti.com> wrote: > >> > > >> > > When we tell the compiler to optimize for ARMv7 it assumes a default of > >> > > unaligned accesses being supported at the hardware level and can make > >> > > use of this to perform what it deems as an optimization in any case, > >> > > including allowing for data to become unaligned. We explicitly > >> > > disallow > >> > > this hardware feature so we must tell the compiler. > >> > > > >> > > Cc: Albert ARIBAUD <albert.u.b...@aribaud.net> > >> > > Cc: Mans Rullgard <m...@mansr.com> > >> > > Signed-off-by: Tom Rini <tr...@ti.com> > >> > > >> > NAK -- the discrepancy between the compiler being told to allow native > >> > unaligned accesses while at the same time telling the hardware to trap > >> > them is conscious and voluntary. It was chosen to help detect unaligned > >> > accesses which are rarely necessary and can be explicitly performed by > >> > software on a case by case basis. > >> > > >> > If and when a specific file requires unaligned access which cannot be > >> > made by some other mean than enabling -mno-unaligned-access, then this > >> > file should have it added, not the whole of U-Boot. > >> > >> Right, I recall the discussion, and we chose wrong. > > > > I am quite prepared to discuss whether we chose wrong or right, and > > to change my mind when the conditions are right, but I'll need more than > > such a short and simple statement. :) > > I already gave you a detailed explanation some months ago. You refused > to read it. I can hardly have "refused to read" a message which I *answered*, laid out how I thought the issue should be solved... and got no answer after this. Now, are we going to discuss the technical issue or is this going to go debian-TC -- which I wouldn't see the point of. Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
