From: lkcl Date: Wed, 10 May 2023 13:21:17 +0000 (+0100) Subject: (no commit message) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=56a9d942991c6ad48ddd92fbe098eb66a64d621e;p=libreriscv.git --- diff --git a/openpower/sv/rfc/ls012.mdwn b/openpower/sv/rfc/ls012.mdwn index 1aa504f6d..bedbfa602 100644 --- a/openpower/sv/rfc/ls012.mdwn +++ b/openpower/sv/rfc/ls012.mdwn @@ -283,6 +283,11 @@ and have more akin with their x86 equivalents. >And this is for a feature that would be rarely used and is redundant. ``` +Further down an additional author observes that Operand-Forwarding mitigates this +problem but sufficient "advance notice" is needed. An inline-assembler chained +sequence such as those **required** for bigint would be considered such and +thus the high cost may be avoided. + ## fclass and GPR-FPR moves [[sv/fclass]] - just one instruction. With SFFS being locked down to