From: lkcl Date: Mon, 21 Dec 2020 04:36:29 +0000 (+0000) Subject: (no commit message) X-Git-Tag: convert-csv-opcode-to-binary~1100 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ff1b6b06a3b865bd221f4b9ab8a2867b11751c00;p=libreriscv.git --- diff --git a/openpower/sv/svp_rewrite/svp64.mdwn b/openpower/sv/svp_rewrite/svp64.mdwn index cb17f0d66..5d562ae5d 100644 --- a/openpower/sv/svp_rewrite/svp64.mdwn +++ b/openpower/sv/svp_rewrite/svp64.mdwn @@ -29,7 +29,8 @@ SVP64 is designed so that when the prefix is all zeros, and influence occurs (no augmentation) such that all standard OpenPOWER v3.0/1B instructions covered by the prefix are "unaltered". This is termed `scalar identity behaviour` (based on the mathematical definition for "identity", as in, "identity matrix" or better "identity transformation"). -Note that this is completely different from when VL=0. VL=0 turns all operations under its influence into `nops`, whereas when VL=1 and the SV prefix is all zeros, the operation simply acts as if SV had not been applied at all to the instruction (an "identity operation"). +Note that this is completely different from when VL=0. VL=0 turns all operations under its influence into `nops` (regardless of the prefix) + whereas when VL=1 and the SV prefix is all zeros, the operation simply acts as if SV had not been applied at all to the instruction (an "identity operation"). # Register Naming