[PATCH 1/5] Handle WORD_REGISTER_OPERATIONS when reloading (subreg(reg))

Kyrill Tkachov kyrylo.tkachov@foss.arm.com
Tue Feb 21 17:16:00 GMT 2017


On 21/02/17 16:58, Matthew Fortune wrote:
> Eric Botcazou <ebotcazou@adacore.com> writes:
>>> Thanks for reporting. I'll take a brief look first but revert if the
>>> issue isn't something that vaguely makes sense to me.
>> You need to restrict any WORD_REGISTER_OPERATIONS test to subword
>> registers.
> I've reverted this. I haven't been able to quickly find a change that
> I both feel is right and works. I am wondering if I actually don't
> need this change and that 'patch 3' (the change to
> simplify_operand_subreg) is the actual fix for both issues I have seen.
>
> I'll test my other change against an ARM build and wait a day to see
> that ARM is at least working on trunk before committing the other
> fix to this area of code.

Thanks Matthew.

Kyrill

> Thanks,
> Matthew



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