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Re: [Qemu-devel] [PATCH v3 0/4] POWER9 TCG enablements - BCD functions p
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/4] POWER9 TCG enablements - BCD functions part II |
Date: |
Fri, 25 Nov 2016 15:52:53 +1100 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Fri, Nov 25, 2016 at 01:53:29AM -0200, Jose Ricardo Ziviani wrote:
> v3:
> - use decimal numbers instead of hex when appropriate
> - set condition register flag to the new form
> - fix bcdcfsq loops boundaries
>
> v2:
> - use div128 and mul64 functions to make code easier to understand
> - fixed int128 neg
> - improved functions bcdcpsgn and bcdsetsgn to do less work
> than necessary
> - rebased on ppc-for-2.9
>
> This serie contains 4 new instructions for POWER9 ISA3.0
Applied to ppc-for-2.9.
>
> bcdcfsq.: Convert signed quadword to packed BCD
> bcdctsq.: Convert packed BCD to signed quadword
> bcdcpsgn.: Copy the sign of a register to another
> bcdsetsgn.: Set the BCD sign according to a preferred sign
>
> Jose Ricardo Ziviani (4):
> target-ppc: Implement bcdcfsq. instruction
> target-ppc: Implement bcdctsq. instruction
> target-ppc: Implement bcdcpsgn. instruction
> target-ppc: Implement bcdsetsgn. instruction
>
> target-ppc/helper.h | 4 ++
> target-ppc/int_helper.c | 120
> ++++++++++++++++++++++++++++++++++++
> target-ppc/translate/vmx-impl.inc.c | 25 ++++++++
> target-ppc/translate/vmx-ops.inc.c | 2 +-
> 4 files changed, 150 insertions(+), 1 deletion(-)
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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