[Patch,microblaze]: Better register allocation to minimize the spill and fetch.

[Mike Stump]

On Jan 29, 2016, at 2:31 AM, Ajit Kumar Agarwal <ajit.kumar.agarwal@xilinx.com> wrote:
> 
> This patch improves the allocation of registers in the given function.

Is it just me, or, would it be even better to change the abi and make MB_ABI_ASM_TEMP_REGNUM be allocated by the register allocator?