On 2024-12-16 4:51 PM, Jessica Clarke wrote:
> On 16 Dec 2024, at 22:00, Samuel Holland <samuel.holland@xxxxxxxxxx> wrote:
>>
>> On 2024-12-05 11:58 PM, Inochi Amaoto wrote:
>>> Add description for the BFloat16 precision Floating-Point ISA extension,
>>> (Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62
>>> ("Added Chapter title to BF16") of the riscv-isa-manual.
>>>
>>> Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
>>> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>>> ---
>>> .../devicetree/bindings/riscv/extensions.yaml | 45 +++++++++++++++++++
>>> 1 file changed, 45 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
>>> index 9c7dd7e75e0c..0a1f1a76d129 100644
>>> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
>>> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
>>> @@ -329,6 +329,12 @@ properties:
>>> instructions, as ratified in commit 056b6ff ("Zfa is ratified") of
>>> riscv-isa-manual.
>>>
>>> + - const: zfbfmin
>>> + description:
>>> + The standard Zfbfmin extension which provides minimal support for
>>> + 16-bit half-precision brain floating-point instructions, as ratified
>>
>> I think you mean "binary" here and in the entries below, not "brain”.
>
> No, that’s Zfhmin / FP16 / binary16, not Zfbfmin / BF16 / BFloat16? The
> B is for Brain as it came out of Google Brain.
>
> https://en.wikipedia.org/wiki/Bfloat16_floating-point_format
Ah, yes, I was the confused one here. Sorry for the noise.
