Re: [Qemu-devel] [PATCH v5 00/19] tcg-arm improvements

[Richard Henderson <rth@twiddle.net>]

Ping 2.

This is the last blocker to get rid of CPUArchState.temp_buf, btw...


r~

On 2013-04-09 13:37, Richard Henderson wrote:
> Ping.
>
>
> On 2013-03-31 17:34, Richard Henderson wrote:
>> Changes v4-v5:
>>    * Incorprate stack realignment into frame size, instead of pushing r12.
>>
>>    * Disassemble prologues with -d out_asm.
>>
>> Changes v3-v4:
>>    * Local stack frame fix has been reworked to be independant of the rest
>>      of the change set, making it possible to cherry-pick to stable.
>>
>>    * While doing that, I've dropped the patch that pulled the epilogue
>>      into the exit_tb expansion, as the stated reason (one insn in the
>>      epilogue) is no longer true -- there's the stack pop as well.  This
>>      obviated several of the changes that PMM suggested.
>>
>>    * I've dropped all of the changes to goto_tb, as Aurelien tried the
>>      same thing a while ago, and there were reports of no real speedup,
>>      ascribed to Dcache pollution.
>>
>> Hopefully I've addressed all of the outstanding comments to which there
>> is still code that applies.  The patch set is available at
>>
>>    git://github.com/rth7680/qemu.git tcg-arm
>>
>>
>>
>> r~
>>
>>
>> Richard Henderson (19):
>>    tcg-arm: Fix local stack frame
>>    tcg: Log the contents of the prologue with -d out_asm
>>    tcg-arm: Use bic to implement and with constant
>>    tcg-arm: Handle negated constant arguments to and/sub
>>    tcg-arm: Allow constant first argument to sub
>>    tcg-arm: Use tcg_out_dat_rIN for compares
>>    tcg-arm: Handle constant arguments to add2/sub2
>>    tcg-arm: Improve constant generation
>>    tcg-arm: Implement deposit for armv7
>>    tcg-arm: Implement division instructions
>>    tcg-arm: Use TCG_REG_TMP name for the tcg temporary
>>    tcg-arm: Use R12 for the tcg temporary
>>    tcg-arm: Cleanup multiply subroutines
>>    tcg-arm: Cleanup most primitive load store subroutines
>>    tcg-arm: Split out tcg_out_tlb_read
>>    tcg-arm: Improve scheduling of tcg_out_tlb_read
>>    tcg-arm: Use movi32 + blx for calls on v7
>>    tcg-arm: Convert to CONFIG_QEMU_LDST_OPTIMIZATION
>>    tcg-arm: Tidy exit_tb
>>
>>   configure               |    2 +-
>>   disas/arm.c             |    4 +
>>   include/exec/exec-all.h |   17 +
>>   tcg/arm/tcg-target.c    | 1470 +++++++++++++++++++++++++++--------------------
>>   tcg/arm/tcg-target.h    |   14 +-
>>   tcg/tcg.c               |   10 +
>>   6 files changed, 875 insertions(+), 642 deletions(-)
>>
>