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Re: [Qemu-devel] [PATCH] fix fp16 tininess
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH] fix fp16 tininess |
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Date: |
Thu, 10 May 2018 07:34:06 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 05/10/2018 07:09 AM, Peter Maydell wrote:
> In commit d81ce0ef2c4f105 we added an extra float_status field
> fp_status_fp16 for Arm, but forgot to initialize it correctly
> by setting it to float_tininess_before_rounding. This currently
> will only cause problems for the new V8_FP16 feature, since the
> float-to-float conversion code doesn't use it yet. The effect
> would be that we failed to set the Underflow IEEE exception flag
> in all the cases where we should.
>
> Add the missing initialization.
>
> Fixes: d81ce0ef2c4f105
> Cc: address@hidden
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/cpu.c | 2 ++
> 1 file changed, 2 insertions(+)
Reviewed-by: Richard Henderson <address@hidden>
r~