Re: [Qemu-devel] [PATCH 0/5] tcg-arm: Runtime detection of architecture

[Richard Henderson <rth@twiddle.net>]

Ping 3.

On 06/17/2013 08:56 AM, Richard Henderson wrote:
> Ping.
> 
> On 06/10/2013 11:42 AM, Richard Henderson wrote:
>> Ping.
>>
>>
>> On 06/06/2013 11:05 AM, Richard Henderson wrote:
>>> Two prepatory generic tcg patches, to allow non-constant values for
>>> the various TCG_TARGET_HAS_foo macros.
>>>
>>> When in patch 3 this gets used, the code inlined in the translators
>>> will be able to check the relevant variable and emit either division
>>> opcode or the call to the division subroutine.
>>>
>>> Perhaps more valuable is being able to generate armv7 insns when
>>> running on e.g. an cortex-a15, even when the OS distribution is
>>> built for a more generic armv5.
>>>
>>> Tested on an a15, and with various hacks to force each of the unused
>>> code paths to be used.
>>>
>>>
>>> r~
>>>
>>>
>>> Richard Henderson (5):
>>>   tcg: Allow non-constant control macros
>>>   tcg: Simplify logic using TCG_OPF_NOT_PRESENT
>>>   tcg-arm: Make use of conditional availability of opcodes for divide
>>>   tcg-arm: Simplify logic in detecting the ARM ISA in use
>>>   tcg-arm: Use AT_PLATFORM to detect the host ISA
>>>
>>>  tcg/arm/tcg-target.c | 82 +++++++++++++++++++++++++++-------------------------
>>>  tcg/arm/tcg-target.h | 14 +++++----
>>>  tcg/tcg-opc.h        | 28 ++++++++++--------
>>>  tcg/tcg.c            |  4 +--
>>>  tcg/tcg.h            |  3 +-
>>>  5 files changed, 69 insertions(+), 62 deletions(-)
>>>
>>
>