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Re: [Qemu-devel] [PATCH 0/6] Some improvements in z/Arch instructions su


From: Cornelia Huck
Subject: Re: [Qemu-devel] [PATCH 0/6] Some improvements in z/Arch instructions support
Date: Mon, 6 Aug 2018 17:06:16 +0200

On Sun,  5 Aug 2018 14:28:25 -0400
Pavel Zbitskiy <address@hidden> wrote:

Meta note #1: please add the s390x maintainers on cc: for the cover
              letter as well; that makes tracking easier
Meta note #2: I don't think this really fits trivial? I'll be happy to
              take the end result via the s390x tree, anyway.

> Add BAL, BALR, CVB instructions
> Fix few bugs in PACK, CSST
> 
> Pavel Zbitskiy (6):
>   target/s390x: add BAL and BALR instructions
>   target/s390x: fix CSST decoding and runtime alignment check
>   target/s390x: fix ipm polluting irrelevant bits
>   target/s390x: add EX support for TRT and TRTR
>   target/s390x: fix PACK reading 1 byte less and writing 1 byte more
>   target/s390x: implement CVB, CVBY and CVBG
> 
>  target/s390x/helper.h      |  2 ++
>  target/s390x/insn-data.def |  7 ++++++
>  target/s390x/int_helper.c  | 58 
> ++++++++++++++++++++++++++++++++++++++++++++++
>  target/s390x/mem_helper.c  | 24 +++++++++++++++----
>  target/s390x/translate.c   | 52 +++++++++++++++++++++++++++++++++++++----
>  5 files changed, 135 insertions(+), 8 deletions(-)
> 

Out of curiousity: Do you have some code that actually makes use of
these instructions (especially BAL/BALR), or have you found this by
looking at the documentation?



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