From: Paolo Bonzini <pbonzini@redhat.com>
To: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org
Cc: aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi
Date: Sun, 16 Feb 2014 15:22:10 +0100 [thread overview]
Message-ID: <5300C992.9010903@redhat.com> (raw)
In-Reply-To: <52FE8E39.3070303@twiddle.net>
Il 14/02/2014 22:44, Richard Henderson ha scritto:
> Ping.
>
> On 01/31/2014 06:43 AM, Richard Henderson wrote:
>> There are three separate architecture extensions for logical operations,
>> BMI, BMI2, and TBM. The first two are supported on Intel Haswell and
>> AMD Excavator, while slightly earlier AMD support only BMI and TBM.
>>
>> The following adds support for the interesting BMI and BMI2 instructions,
>> where it is easy to do so. Most of the rest of the new instructions are
>> irrelevant to TCG.
>>
>> When I added support for the ANDC opcode, I noticed some optimization
>> regressions when looking at ppc64 guest dumps. I will address these
>> in a separate patch set.
Just a small comment on patch 5, everything else looks fine.
Paolo
prev parent reply other threads:[~2014-02-16 14:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 14:43 [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi Richard Henderson
2014-01-31 14:43 ` [Qemu-devel] [PATCH 1/5] disas/i386: Disassemble ANDN/SHLX/SHRX/SHAX Richard Henderson
2014-02-16 18:12 ` Aurelien Jarno
2014-01-31 14:43 ` [Qemu-devel] [PATCH 2/5] tcg/i386: Move TCG_CT_CONST_* to tcg-target.c Richard Henderson
2014-02-16 18:12 ` Aurelien Jarno
2014-01-31 14:43 ` [Qemu-devel] [PATCH 3/5] tcg/i386: Add tcg_out_vex_modrm Richard Henderson
2014-02-16 18:12 ` Aurelien Jarno
2014-01-31 14:43 ` [Qemu-devel] [PATCH 4/5] tcg/i386: Use ANDN instruction Richard Henderson
2014-02-16 18:12 ` Aurelien Jarno
2014-02-17 16:18 ` Richard Henderson
2014-02-20 16:25 ` Peter Maydell
2014-02-20 16:42 ` Peter Maydell
2014-02-20 16:43 ` Richard Henderson
2014-02-20 17:38 ` Peter Maydell
2014-01-31 14:43 ` [Qemu-devel] [PATCH 5/5] tcg/i386: Use SHLX/SHRX/SARX instructions Richard Henderson
2014-02-16 14:21 ` Paolo Bonzini
2014-02-16 17:57 ` Richard Henderson
2014-02-17 16:01 ` Richard Henderson
2014-02-16 18:12 ` Aurelien Jarno
2014-02-14 21:44 ` [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi Richard Henderson
2014-02-16 14:22 ` Paolo Bonzini [this message]
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