[U-Boot] [PATCH v2] arm: Switch to -mno-unaligned-access when supported by the compiler

[Wolfgang Denk]

Dear Tom,

In message <20140212142536.GA15819 at bill-the-cat> you wrote:
> 
> No.  The solution is to tell the compiler which optimizations it can,
> and cannot use.  If we stop telling it that native unaligned accesses
> work it won't decide to make use of those optimizations.

Can we do this in such a way that we can be absolutely sure that the
compiler will never break up larger (say 32 bit) accesses into smaller
(say, 2 x 16 bit or 4 x 8 bit or similar) accesses?

Best regards,

Wolfgang Denk

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