Re: [Qemu-devel] [PATCH 0/5] tcg/i386 support for bmi

[Richard Henderson <rth@twiddle.net>]

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(-)
>