Re: [PATCH v2 1/4] siphash: add cryptographically secure hashtable function
From: Hannes Frederic Sowa
Date: Thu Dec 15 2016 - 07:50:13 EST
On 15.12.2016 13:28, David Laight wrote:
> From: Hannes Frederic Sowa
>> Sent: 15 December 2016 12:23
>> Hmm? Even the Intel ABI expects alignment of unsigned long long to be 8
>> bytes on 32 bit. Do you question that?
> The linux ABI for x86 (32 bit) only requires 32bit alignment for u64 (etc).
Hmm, u64 on 32 bit is unsigned long long and not unsigned long. Thus I
am actually not sure if the ABI would say anything about that (sorry
also for my wrong statement above).
Alignment requirement of unsigned long long on gcc with -m32 actually
seem to be 8.