Re: [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow

[Richard Henderson]

On 02/23/2017 05:40 PM, Nikunj A Dadhania wrote:
> Richard Henderson <address@hidden> writes:
> > These functions are becoming quite large.  Are they performance critical enough
> > that they need to stay as inline code, or should they be moved to helpers and
> > share code with cpu_read/write_xer?
>
> Just to boot to login prompt, these are the numbers for gen_read/write_xer:
>
> helper_myprint - rd_count 231103, wr_count 68897
>
> And it keeps on incrementing, maybe scope of optimization here.

That's not very large considering the total number of instructions executed 
during a boot to prompt.

Thoughts, David?


r~