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


From: Nikunj Dadhania
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow
Date: Fri, 24 Feb 2017 06:11:30 +0530

On 24 February 2017 at 04:23, David Gibson <address@hidden> wrote:
> On Fri, Feb 24, 2017 at 09:34:32AM +1100, Richard Henderson wrote:
>> 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?
>
> Hm, I'm not clear if that's the number of executions, or the number of
> translations.

That is number of executions.

Regards
Nikunj



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