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 v2 for-2.5 05/12] tcg/optimize: track const/copy status separately
Date: Mon, 27 Jul 2015 15:44:01 +0200 [thread overview]
Message-ID: <55B635A1.2060800@redhat.com> (raw)
In-Reply-To: <20150727134032.GN11361@aurel32.net>
On 27/07/2015 15:40, Aurelien Jarno wrote:
> > temps[dst].next_copy = temps[src].next_copy;
> > temps[dst].prev_copy = src;
> > temps[temps[dst].next_copy].prev_copy = dst;
> > temps[src].next_copy = dst;
>
> Note that the patch doesn't change this part, it's already there in the
> original code.
Understood.
> > This is:
> >
> > dst->next = src->next;
> > dst->prev = src;
> > dst->next->prev = dst;
> > src->next = dst;
>
> Here we just want to insert one element, and thus before
> the insertion we have dst->next = dst->prev = dst.
Ah, you're right.
Paolo
next prev parent reply other threads:[~2015-07-27 13:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 10:55 [Qemu-devel] [PATCH v2 for-2.5 00/12] tcg: improve optimizer Aurelien Jarno
2015-07-27 10:55 ` [Qemu-devel] [PATCH for-2.4 01/12] tcg: correctly mark dead inputs for mov with a constant Aurelien Jarno
2015-07-27 10:55 ` [Qemu-devel] [PATCH for-2.4 02/12] tcg: mark temps as mem_coherent = 0 " Aurelien Jarno
2015-07-27 10:55 ` [Qemu-devel] [PATCH v2 for-2.5 03/12] tcg/optimize: optimize temps tracking Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 04/12] tcg/optimize: add temp_is_const and temp_is_copy functions Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 05/12] tcg/optimize: track const/copy status separately Aurelien Jarno
2015-07-27 11:26 ` Paolo Bonzini
2015-07-27 13:40 ` Aurelien Jarno
2015-07-27 13:44 ` Paolo Bonzini [this message]
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 06/12] tcg/optimize: allow constant to have copies Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 07/12] tcg: rename trunc_shr_i32 into trunc_shr_i64_i32 Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 08/12] tcg: don't abuse TCG type in tcg_gen_trunc_shr_i64_i32 Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 09/12] tcg: implement real ext_i32_i64 and extu_i32_i64 ops Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 10/12] tcg/optimize: add optimizations for " Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 11/12] tcg/optimize: do not remember garbage high bits for 32-bit ops Aurelien Jarno
2015-07-29 16:34 ` Aurelien Jarno
2015-07-27 10:56 ` [Qemu-devel] [PATCH v2 for-2.5 12/12] tcg: update README about size changing ops Aurelien Jarno
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