> On Oct 11, 2018, at 3:11 AM, Segher Boessenkool
> wrote:
>
> Hi!
>
> On Wed, Oct 10, 2018 at 08:55:12PM -0400, Paul Koning wrote:
>
> [ snip ]
>
>> ...
>> Why is this happening, and how can I fix it (short of removing the
>> doloop_end pattern)? I see a comment in loop-doloop.c about h
Hi!
On Wed, Oct 10, 2018 at 08:55:12PM -0400, Paul Koning wrote:
[ snip ]
> Note that this isn't permitted by the .md file -- the mode is wrong (QI not
> HI).
Other targets use an expander and check the mode explicitly in there. See
rs6000 or sh for example.
> It's not obvious to me how that
I have a doloop_end pattern in pdp11.md which looks like this:
(define_insn_and_split "doloop_end"
[(set (pc)
(if_then_else
(ne (match_operand:HI 0 "nonimmediate_operand" "+r,!m")
(const_int 1))
(label_ref (match_operand 1 "" ""))
(pc)))
(set (m
