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Re: [Qemu-devel] [PATCH 09/14] i386: do not call helper to compute ZF/SF


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 09/14] i386: do not call helper to compute ZF/SF
Date: Tue, 09 Oct 2012 12:15:08 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1

On 10/06/2012 05:30 AM, Paolo Bonzini wrote:
> ZF, SF and PF can always be computed from CC_DST except in the
> CC_OP_EFLAGS case (and CC_OP_DYNAMIC, which just resolves to CC_OP_EFLAGS
> in gen_compute_eflags).  Use setcond to compute ZF and SF.
> 
> We could also use a table lookup to compute PF.
> 
> Signed-off-by: Paolo Bonzini <address@hidden>

Reviewed-by: Richard Henderson <address@hidden>


r~



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