Re: [Qemu-devel] [PATCH v3 00/24] target-sparc improvements

[Artyom Tarasenko]

On Thu, Jun 2, 2016 at 2:17 PM, Artyom Tarasenko <address@hidden> wrote:
> On Thu, Jun 2, 2016 at 7:56 AM, Richard Henderson <address@hidden> wrote:
>> The primary focus of this patch set is to reduce the number of
>> helpers that modify TCG globals, and thus increase the lifetime
>> of those globals within each TB, and thus decrease the number
>> of times that tcg must spill and fill them from backing store.
>>
>> As a byproduct, I also implement the bulk of the interesting v9 ASIs
>> inline, thus exposing e.g. the little-endian loads and stores as
>> simple tcg operations.
>>
>> The patch set is relative to my outstanding tcg pull request.
>> For reference, the complete tree can be found at
>>
>>   git://github.com/rth7680/qemu.git tgt-sparc-2
>>
>> Changes from v2 to v3:
>>   * Add ASI_BLK_COMMIT_[PS] to patch 19.
>>     This fixes the illegal instruction that Artyom reported.
>>   * Add gen_address_mask calls to all direct accesses.
>>     This fixes a follow-on segv that affected the debian install.
>>
>> Changes from v1 to v2:
>>   * Commit message refers to UA2005 instead of UA2011 when
>>     introducing new asi.h defines. (Artyom)

Once this change gets back to v4

Reviewed-By: Artyom Tarasenko <address@hidden>

(Currently rebasing my sun4v branch on top of this series)

>> Richard Henderson (24):
>>   target-sparc: Mark more flags for helpers
>>   target-sparc: Remove softint as a TCG global
>>   target-sparc: Store mmu index in TB flags
>>   target-sparc: Create gen_exception
>>   target-sparc: Unify asi handling between 32 and 64-bit
>>   target-sparc: Store %asi in TB flags
>>   target-sparc: Introduce get_asi
>>   target-sparc: Pass TCGMemOp to gen_ld/st_asi
>>   target-sparc: Import linux/arch/sparc/include/uapi/asm/asi.h
>>   target-sparc: Add UA2011 defines to asi.h
>>   target-sparc: Use defines from asi.h
>>   target-sparc: Directly implement easy ld/st asis
>>   target-sparc: Use QT0 to return results from ldda
>>   target-sparc: Introduce gen_check_align
>>   target-sparc: Directly implement easy ldd/std asis
>>   target-sparc: Fix obvious error in ASI_M_BFILL
>>   target-sparc: Pass TCGMemOp constants to helper_ld/st_asi
>>   target-sparc: Directly implement easy ldf/stf asis
>>   target-sparc: Directly implement block and short ldf/stf asis
>>   target-sparc: Remove helper_ldf_asi, helper_stf_asi
>>   target-sparc: Use explicit writes to cpu_fsr
>>   target-sparc: Use cpu_fsr in stfsr
>>   target-sparc: Use cpu_loop_exit_restore from
>>     helper_check_ieee_exceptions
>>   target-sparc: Elide duplicate updates to fprs
>>
>>  target-sparc/asi.h         |  311 +++++++++++
>>  target-sparc/cpu.h         |   28 +-
>>  target-sparc/fop_helper.c  |  230 +++-----
>>  target-sparc/helper.h      |  168 +++---
>>  target-sparc/ldst_helper.c |  696 +++++++++++-------------
>>  target-sparc/translate.c   | 1273 
>> ++++++++++++++++++++++++++++----------------
>>  6 files changed, 1607 insertions(+), 1099 deletions(-)
>>  create mode 100644 target-sparc/asi.h
>>
>> --
>> 2.5.5
>>
>
>
>
> --
> Regards,
> Artyom Tarasenko
>
> SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu



-- 
Regards,
Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu