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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Forcing GNAT to use 32-bit load/store instructions on ARM?
Date: Thu, 10 Jul 2014 12:47:50 +0100
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Date: 2014-07-10T12:47:50+01:00
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Simon Wright <simon@pushface.org> writes:

> The x86_64 code accesses all 32 bits of V. If it is more efficient on
> arm to access the relevant bytes for the component assignments, I
> expect that's what would happen (as reported).

Just tried this on Raspberry Pi (GCC 4.6.3): yes, it only accesses the
relevant bytes.