> On Oct 11, 2018, at 11:01 PM, Jeff Law <l...@redhat.com> wrote:
>
> On 10/11/18 3:09 PM, Paul Koning wrote:
>> Updated with an additional item I just debugged.
>>
>> Since the code that uses the doloop_end pattern does not check the operand
>> mode as given in the pattern, the pattern itself may need to do this, and
>> that was not documented. In addition, if the doloop_end pattern is a
>> define_expand, there must be a define_insn (or define_insn_and_split)
>> matching the generated pattern. I had a define_split instead, and the
>> result was an ICE in loop optimization (loop2_done pass).
>>
>> This patch adds that information. It also updates the example to reflect
>> this.
>>
>> Ok for trunk?
>>
>> paul
>>
>> ChangeLog:
>>
>> 2018-10-11 Paul Koning <n...@arrl.net>
>>
>> * doc/md.texi (doloop_end): Document that the pattern code may
>> need to check operand mode.
> OK.
> jeff
Thanks. Committed.
paul
