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Add full half-precision and quad-precision floating point support. - #183

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inochisa wants to merge 6 commits into
SpinalHDL:devfrom
inochisa:ext/fdhq
Open

inochisa wants to merge 6 commits into
SpinalHDL:devfrom
inochisa:ext/fdhq

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@inochisa

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Add Zfh/Q extension for basic half-precision and quad-precision floating point support.
And also add Zfa for full IEEE754-2019 floating point operation support.

I think the most change is quite straight-forward. The only interesting thing I think is using partial function for RTL cropping.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
@inochisa
inochisa force-pushed the ext/fdhq branch 2 times, most recently from 941a864 to 4151420 Compare September 18, 2026 22:32
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
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