[Libre-soc-dev] ls005 - XLEN

Luke Kenneth Casson Leighton lkcl at lkcl.net
Thu Dec 22 17:33:24 GMT 2022

On Thu, Dec 22, 2022 at 5:31 PM Jacob Lifshay <programmerjake at gmail.com> wrote:

> needs definition that XLEN=8 really means bf16 (brain fp-16) for fp (or XLEN=8 could be left undefined for fp for now, it's still defined for int ops) and XLEN=16 really means f16 (bfp16 as defined by ieee 754).

hm hm i hadn't planned to expand to that level of detail,
leaving it up for the... oh... ah yes.  we have a different
definition of elwidth overrides for FPRs from GPRs, good


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