From: Fabrice Bellard <fabrice.bellard@free.fr>
To: Johan Rydberg <jrydberg@night.trouble.net>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] performance of qemu
Date: Wed, 04 Jun 2003 18:01:25 +0200 [thread overview]
Message-ID: <3EDE17D5.3030605@free.fr> (raw)
In-Reply-To: 20030604161636.00bea262.jrydberg@night.trouble.net
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.
next prev parent reply other threads:[~2003-06-04 16:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-03 18:12 [Qemu-devel] performance of qemu Johan Rydberg
2003-06-04 8:20 ` Fabrice Bellard
2003-06-04 14:16 ` Johan Rydberg
2003-06-04 16:01 ` Fabrice Bellard [this message]
2003-06-04 16:08 ` Johan Rydberg
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