[07/12] Use new string hasher for MIPS

[Jeff Law]

On 06/23/2015 08:50 AM, Richard Sandiford wrote:
> Use the string hasher from patch 6 for MIPS.  I split this out because
> local_alias_traits doesn't actually need to use SYMBOL_REF rtxes as
> the map keys, since the only data used is the symbol name.
>
>
> gcc/
> 	* config/mips/mips.c (mips16_flip_traits): Use it.
> 	(local_alias_traits, mips16_local_aliases): Convert from a map of
> 	rtxes to a map of symbol names.
> 	(mips16_local_alias): Update accordingly.
OK.
jeff