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

[Richard Henderson]

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(-)
>>
>