Re: [gccsdk] Unaligned loads etc

On Mon, 9 Mar 2015, John Ballance wrote:

> Hi Theo
> Classic example is firefox2. If alignment exceptions are enabled it aborts very early in startup with a ldr from an non word aligned
> address. Gcc arm seems to default to enabling non alignment for armv7, which is bad news for the imx6. Hence my thwarted attempts to
> rebuild ff2
> Cheers
> John

-mno-unaligned-access is the option you want. They changed the defaults in
GCC 4.7 to allow unaligned loads/stores when building for ARMv6+.

Cheers,

- Jeffrey


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