MIPS & register allocation question

[Steve Ellcey]

On Wed, 2013-02-27 at 22:28 +0000, Richard Sandiford wrote:

> FWIW, after seeing that, I tried the patch below.  Disabling
> ADJUST_REG_ALLOC_ORDER seemed to be a very mixed bag sizewise though --
> certainly not the consistent win that I hoped -- and I wasn't set up to
> do proper speed testing.  In the end I'm afraid I just let it drop.
> 
> Thanks,
> Richard

I'll try your patch on some of my benchmarks and see what happens.
One interesting thing I have noticed (sizewise) is that not using t0-t7
at all in MIPS16 code resulted in a code size reduction of around 1%.

Steve Ellcey