From 243447e0ccfa15c4b83d926b3fdfa78141a6b9c8 Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Sat, 10 Sep 2022 15:31:05 +0100 Subject: [PATCH] reduce pagesize, include links inline --- openpower/sv/rfc/ls001.mdwn | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/openpower/sv/rfc/ls001.mdwn b/openpower/sv/rfc/ls001.mdwn index 7f16d17f0..d8aa2ce81 100644 --- a/openpower/sv/rfc/ls001.mdwn +++ b/openpower/sv/rfc/ls001.mdwn @@ -1,11 +1,9 @@ # OPF ISA WG External RFC LS001 08Sep2022 +* Author: Luke Kenneth Casson Leighton. +* Contributors/Ideas: Brad Frey, Paul Mackerras * [[ls001/discussion]] -* -* -* -* This proposal is to extend the Power ISA with an Abstract RISC-Paradigm Vectorisation Concept that may be applied to **all and any** suitable @@ -40,7 +38,14 @@ cryptographic [bitmanipulation](https://libre-soc.org/openpower/sv/bitmanip) operations that ARM Intel AMD and many other ISAs have been adding over the past 12 years -and Power ISA has not. +and Power ISA has not. Three additional FP-related sets are needed +(missing from SFFS) - +[int_fp_mv](https://libre-soc.org/openpower/sv/int_fp_mv/) +[fclass](https://libre-soc.org/openpower/sv/fclass/) and +[fcvt](https://libre-soc.org/openpower/sv/fcvt/) +and one set named +[crweird](https://libre-soc.org/openpower/sv/cr_int_predication/) +increase the capability of CR Fields. *Thus it becomes necesary to consider the Architectural Resource Allocation of not just Simple-V but the 80-100 Scalar instructions all @@ -185,7 +190,8 @@ The primary options are: be saturated (without adding explicit scalar saturated opcodes) * Reduction and Prefix-Sum (Fibonnacci Series) Modes -# REMAP subsystem +\newpage{} +# Simple-V REMAP subsystem REMAP is extremely advanced but brings features already present in other DSPs and Supercomputing ISAs. @@ -214,7 +220,8 @@ in the *general purpose* compute area in the past 12 years, that some considerable care is needed. Summary: -**to fit everything at least 75% of 3 separate Major Opcodes is required** +**Including Simple-V, to fit everything at least 75% of 3 separate +Major Opcodes would be required** Candidates (for all but the X-Form instructions) include: -- 2.30.2