> On Jan 11, 2023, at 2:28 PM, Segher Boessenkool <seg...@kernel.crashing.org> 
> wrote:
> 
> On Wed, Jan 11, 2023 at 01:42:22PM -0500, Paul Koning wrote:
>> Or, as in my case, because building with LRA as the default triggers an ICE 
>> that I don't understand.  I posted a note to the GCC list about what I saw, 
>> but have received no reaction.
> 
> <https://gcc.gnu.org/pipermail/gcc/2023-January/240497.html>?

I just saw that, thanks!

> I would say your predicates are way too lenient here (general_operand),
> but this needs more info.  A testcase to reproduce the problem, to
> start with :-)

I'll try to trim it down.

What do you mean "too lenient"?  The first input operand (which is supposed to 
be the same as the output since the instruction set is 2-address) is 
"general_operand".  The destination is "nonimmediate_operand" which fits the 
constraints applied to it.

        paul

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