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Re: PR65416, alloca on xtensa


On Fri, Mar 13, 2015 at 11:18 PM, Segher Boessenkool
<segher@kernel.crashing.org> wrote:
> On Fri, Mar 13, 2015 at 05:54:48PM +0300, Max Filippov wrote:
>> 2. alloca seems to make an additional 16-bytes padding to each stack
>>   allocation: alloca(1) results in moving sp down by 32 bytes, alloca(17)
>>   moves it by 48 bytes, etc.
>
> This sounds like PR 50938, 47353, 34548, maybe more?  Happens on most
> targets.

Exactly! (And I was wrong about 1 byte, it needs at least 2 for 32
bytes result).
But...those PRs are marked as duplicates of a fixed PR 34548.
Looks like it's not fixed or there's a regression?

-- 
Thanks.
-- Max


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