From: lkcl Date: Sun, 9 Oct 2022 21:28:37 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~122 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ad4f26622d19876b283fc285524975bc240c8e3a;p=libreriscv.git --- diff --git a/openpower/sv/rfc/ls002/discussion.mdwn b/openpower/sv/rfc/ls002/discussion.mdwn index 61d066db1..7abd96221 100644 --- a/openpower/sv/rfc/ls002/discussion.mdwn +++ b/openpower/sv/rfc/ls002/discussion.mdwn @@ -108,6 +108,8 @@ and `pflis` would fill in an FP32 in exactly the same amount of space, making it a redundant encoding. this just leaves the purpose of `pfishmv` to be to extend (fill) an FP32 out to an FP64. +that said: the next phase of whether it is worthwhile is to count the +I/D-Cache usage. the analysis counting instructions and D-Cache Loads actually shows that whilst the initial idea for `pfishmv` would be to fill in the remaining mantissa and high exponent bits to complete a full FP64,