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Re: [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi |
Date: |
Fri, 14 Feb 2014 13:44:25 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
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.
>
>
> r~
>
>
> Richard Henderson (5):
> disas/i386: Disassemble ANDN/SHLX/SHRX/SHAX
> tcg/i386: Move TCG_CT_CONST_* to tcg-target.c
> tcg/i386: Add tcg_out_vex_modrm
> tcg/i386: Use ANDN instruction
> tcg/i386: Use SHLX/SHRX/SARX instructions
>
> disas/i386.c | 146 +++++++++++++++++++++++++++++++++++++++++-----
> tcg/i386/tcg-target.c | 156
> ++++++++++++++++++++++++++++++++++++++++++--------
> tcg/i386/tcg-target.h | 9 ++-
> 3 files changed, 268 insertions(+), 43 deletions(-)
>
- Re: [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi,
Richard Henderson <=