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Re: [Qemu-ppc] [RFC PATCH v2 1/9] target/ppc: introduce get_fpr() and se

From: Mark Cave-Ayland
Subject: Re: [Qemu-ppc] [RFC PATCH v2 1/9] target/ppc: introduce get_fpr() and set_fpr() helpers for FP register access
Date: Mon, 17 Dec 2018 17:20:15 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0

On 17/12/2018 16:40, Richard Henderson wrote:

> On 12/17/18 4:23 AM, Mark Cave-Ayland wrote:
>> These helpers allow us to move FP register values to/from the specified 
>> TCGv_i64
>> argument in the VSR helpers to be introduced shortly.
>> To prevent FP helpers accessing the cpu_fpr array directly, add extra TCG
>> temporaries as required.
>> Signed-off-by: Mark Cave-Ayland <address@hidden>
>> ---
>>  target/ppc/translate.c             |  10 +
>>  target/ppc/translate/fp-impl.inc.c | 490 
>> ++++++++++++++++++++++++++++---------
>>  2 files changed, 390 insertions(+), 110 deletions(-)
> Reviewed-by: Richard Henderson <address@hidden>

Howard has notified me off-list of a regression he noticed in OS X, which I've 
down to an erroneous extra get_fpr() in the GEN_FLOAT_* macro changes in this 

I've pushed the fixed version of this patchset to
https://github.com/mcayland/qemu/tree/ppc-altivec for those who wish to 
before I send out a v3 later in the week (I feel reasonably confident now to 
drop the
RFC for the next iteration).



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