Re: [Qemu-ppc] [Qemu-devel] [PATCH v2 00/18] tcg field extract primitives

[Richard Henderson]

Pinging target maintainers.  If I don't get responses by the end of the week, 
I'll only push the generic tcg bits and the two targets that I maintain.


r~


On 10/18/2016 08:10 AM, Richard Henderson wrote:
> Better tested this time, including aarch64 host.
>
> Changes since v1:
>   * Added tcg_gen_deposit_z_*.  Depositing into zero turns out to be
>     quite common among targets.  Providing that as a primitive expander
>     allows us to easily generate optimal-ish code for hosts with and
>     without a real deposit operation.
>   * Cleanups in tcg/s390 akin to those I already did for tcg/arm.
>   * Add support in tcg/s390 for deposit into zero.
>   * More special cases in the expanders for better code generation,
>     especially on an x86 host *without* the extract primitives.
>   * Silly think-o on aarch64 host.
>
>
> r~
>
>
> Richard Henderson (18):
>   tcg: Add field extraction primitives
>   tcg: Minor adjustments to deposit expanders
>   tcg: Add deposit_z expander
>   tcg/aarch64: Implement field extraction opcodes
>   tcg/arm: Move isa detection to tcg-target.h
>   tcg/arm: Implement field extraction opcodes
>   tcg/i386: Implement field extraction opcodes
>   tcg/mips: Implement field extraction opcodes
>   tcg/ppc: Implement field extraction opcodes
>   tcg/s390: Expose host facilities to tcg-target.h
>   tcg/s390: Implement field extraction opcodes
>   tcg/s390: Support deposit into zero
>   target-alpha: Use deposit and extract ops
>   target-arm: Use new deposit and extract ops
>   target-i386: Use new deposit and extract ops
>   target-mips: Use the new extract op
>   target-ppc: Use the new deposit and extract ops
>   target-s390x: Use the new deposit and extract ops
>
>  target-alpha/translate.c     |  67 ++++---
>  target-arm/translate-a64.c   |  79 +++-----
>  target-arm/translate.c       |  37 +---
>  target-i386/translate.c      |  45 +++--
>  target-mips/translate.c      |  12 +-
>  target-ppc/translate.c       |  35 ++--
>  target-s390x/translate.c     |  34 ++--
>  tcg/aarch64/tcg-target.h     |   4 +
>  tcg/aarch64/tcg-target.inc.c |  14 ++
>  tcg/arm/tcg-target.h         |  38 +++-
>  tcg/arm/tcg-target.inc.c     |  63 +++---
>  tcg/i386/tcg-target.h        |  10 +
>  tcg/i386/tcg-target.inc.c    |  38 ++++
>  tcg/ia64/tcg-target.h        |   4 +
>  tcg/mips/tcg-target.h        |   2 +
>  tcg/mips/tcg-target.inc.c    |   4 +
>  tcg/optimize.c               |  29 +++
>  tcg/ppc/tcg-target.h         |   4 +
>  tcg/ppc/tcg-target.inc.c     |  10 +
>  tcg/s390/tcg-target.h        | 122 +++++++-----
>  tcg/s390/tcg-target.inc.c    | 113 ++++++-----
>  tcg/sparc/tcg-target.h       |   4 +
>  tcg/tcg-op.c                 | 465 ++++++++++++++++++++++++++++++++++++++++++-
>  tcg/tcg-op.h                 |  18 ++
>  tcg/tcg-opc.h                |   4 +
>  tcg/tcg.h                    |   8 +
>  tcg/tci/tcg-target.h         |   4 +
>  27 files changed, 954 insertions(+), 313 deletions(-)