[patch, arm] Prefer LO_REG registers in regrename

[Ramana Radhakrishnan]

Can't approve or reject your patch but a very minor nit :)

On Thu, 2010-12-09 at 00:42 +0800, Yao Qi wrote:
> +static reg_class_t
> +arm_preferred_rename_class (reg_class_t class)
> +{
> +  /* thumb-2 instructions using LO_REGS may be smaller than
> instructions

s/thumb-2/Thumb-2  or s/thumb-2/Thumb2 though Thumb-2 seems to be the
preferred form in large parts of the source.

Cheers
Ramana