From: Paolo Bonzini <pbonzini@redhat.com>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH 0/4] tcg/optimize: fixes and improvements
Date: Mon, 09 Sep 2013 19:14:29 +0200 [thread overview]
Message-ID: <522E01F5.1090209@redhat.com> (raw)
In-Reply-To: <20130909170431.GA23537@ohm.aurel32.net>
Il 09/09/2013 19:04, Aurelien Jarno ha scritto:
> I have just checked, and it does indeed work for a few cases involving
> constants. That said, it doesn't change the resulting TCG code, as these
> cases were already handled by some other optimizations.
>
> That let me ask a question, about why the bit propagation has been added
> in the middle of other optimizations, and not for example immediately
> after swapping commutative ops or just before the constant folding.
I think it was just an artifact of /me rebasing the patch after other
optimizations were introduced.
Paolo
next prev parent reply other threads:[~2013-09-09 17:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 6:27 [Qemu-devel] [PATCH 0/4] tcg/optimize: fixes and improvements Aurelien Jarno
2013-09-03 6:27 ` [Qemu-devel] [PATCH 1/4] tcg/optimize: fix know-zero bits optimization Aurelien Jarno
2013-09-03 9:50 ` Andreas Färber
2013-09-03 6:27 ` [Qemu-devel] [PATCH 2/4] tcg/optimize: fix known-zero bits for right shift ops Aurelien Jarno
2013-09-03 6:27 ` [Qemu-devel] [PATCH 3/4] tcg/optimize: improve known-zero bits for 32-bit ops Aurelien Jarno
2013-09-03 6:28 ` [Qemu-devel] [PATCH 4/4] tcg/optimize: add known-zero bits compute for load ops Aurelien Jarno
2013-09-03 7:21 ` [Qemu-devel] [PATCH 0/4] tcg/optimize: fixes and improvements Paolo Bonzini
2013-09-09 17:04 ` Aurelien Jarno
2013-09-09 17:14 ` Paolo Bonzini [this message]
2013-09-03 15:55 ` Richard Henderson
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