Hi Segher! On Wed, 9 Oct 2019 03:47:32 -0500 Segher Boessenkool <seg...@kernel.crashing.org> wrote:
> Hi Jozef, > > On Tue, Oct 08, 2019 at 11:39:57AM +0100, Jozef Lawrynowicz wrote: > > +;; ------------------------ > > +;; ZERO EXTEND INSTRUCTIONS > > +;; Byte-writes to registers clear bits 19:8 > > +;; * Byte-writes to memory do not affect bits 15:8 > > +;; Word-writes to registers clear bits 19:16 > > +;; PSImode writes to memory clear bits 16:4 of the second memory word > > Should that be 15:4 instead? Whoops, nice spot. I'll fix that before applying (if it gets approved) rather than re-submitting. > > > +; FIXME many of these should be unnnecessary once combine deals with > > +; (sign_extend (zero_extend)) or (sign_extend (subreg)) BZ 91865. > > I have looked at it some time ago, and it is quite hard :-/ It's not > forgotten though! Ok, thanks for the update! Jozef > > > Segher
