Re: [Qemu-devel] [PATCH v6 0/2] POWER9 TCG enablements - BCD functions - final part

[David Gibson <david@gibson.dropbear.id.au>]

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Applied to ppc-for-2.9.

On Thu, Jan 12, 2017 at 06:08:31PM -0200, Jose Ricardo Ziviani wrote:
> v6:
>  - improves bcdtrunc/bcdutrunc overflow comparison
>  - removes bcds/bcdus/bcdsr applied patches
> 
> v5:
>  - removes 'unlikely' gcc branch pred. hints from not unlikely places
>  - adds comments in host-utils functions
>  - adds more test cases for shift functions
>  - handles "shift backwards" with signed shifts
>  - rebases branch
> 
> v4:
>  - improves functions to behave exactly like the target
> 
> v3:
>  - moves shift functions to host-utils.c and added config_int128 guard
>  - changes Makefile to always compile host-utils.c
>  - redesigns bcd[u]trunc to use bitwise operations
>  - removes "target-ppc: Implement bcd_is_valid function" (merged)
> 
> v2:
>  - bcd[s,sr,us] uses 1 byte for shifting instead of 4 bytes
>  - left/right functions in host-utils are out of CONFIG_INT128
>  - fixes overflowing issue in left shift and added a testcase
> 
> This serie contains 5 new instructions for POWER9 ISA3.0, left/right shifts for 
> unsigned quadwords and a small improvement to check whether a bcd value is 
> valid or not.
> 
> bcdtrunc.: Decimal signed trucate
> bcdutrunc.: Decimal unsigned truncate
> 
> Jose Ricardo Ziviani (2):
>   ppc: Implement bcdtrunc. instruction
>   ppc: Implement bcdutrunc. instruction
> 
>  target/ppc/helper.h                 |  2 +
>  target/ppc/int_helper.c             | 88 +++++++++++++++++++++++++++++++++++++
>  target/ppc/translate/vmx-impl.inc.c |  9 ++++
>  target/ppc/translate/vmx-ops.inc.c  |  6 +--
>  4 files changed, 102 insertions(+), 3 deletions(-)
> 

-- 
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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