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Re: [Qemu-devel] performance of qemu

From: Fabrice Bellard
Subject: Re: [Qemu-devel] performance of qemu
Date: Wed, 04 Jun 2003 18:01:25 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020828

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).


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