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Re: [Qemu-devel] [PATCH v2 17/24] target-arm: Prepare VFP_CONV_FIX helpe


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 17/24] target-arm: Prepare VFP_CONV_FIX helpers for A64 uses
Date: Mon, 06 Jan 2014 10:37:22 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

On 01/06/2014 05:11 AM, Peter Maydell wrote:
> From: Will Newton <address@hidden>
> 
> Make the VFP_CONV_FIX helpers a little more flexible in
> preparation for the A64 uses. This requires two changes:
>  * use the correct softfloat conversion function based on itype
>    rather than always the int32 one; this is possible now that
>    softfloat provides int16 versions and necessary for the
>    future conversion-to-int64 A64 variants. This also allows
>    us to drop the awkward 'sign' macro argument.
>  * split the 'fsz' argument which currently controls both
>    width of the input float type and width of the output
>    integer type into two; this will allow us to specify the
>    A64 64-bit-int-to-single conversion function, where the
>    two widths are different.
> 
> We can also drop the (itype##_t) cast now that softfloat
> guarantees that all the itype##_to_float* functions take
> an integer argument of exactly the correct type.
> 
> Signed-off-by: Will Newton <address@hidden>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target-arm/helper.c | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~



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