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Date: Wed, 04 Jun 2003 18:01:25 +0200
From: Fabrice Bellard <fabrice.bellard@free.fr>
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Subject: Re: [Qemu-devel] performance of qemu
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To: Johan Rydberg <jrydberg@night.trouble.net>
Cc: qemu-devel@nongnu.org

Johan Rydberg wrote:
> : > When is the full eflags register generated?  In the epilogue of a translated
> : > block, or when ever an insn/callback reads the eflag register?
> : 
> : Only when an instruction really needs the full eflags register (such as 
> : pushf).
> 
> And at the end of the translated block?  Or does the CC_SRC, CC_DST and CC_OP
> live between blocks?

CC_SRC, CC_DST and CC_OP live between blocks (I think computing the 
eflags would be too expensive).

Fabrice.