From bb47b222815e96f8b1ca23e52a0179f6676a010b Mon Sep 17 00:00:00 2001 From: lkcl Date: Fri, 9 Sep 2022 13:04:46 +0100 Subject: [PATCH] --- openpower/sv/rfc/ls001/discussion.mdwn | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/openpower/sv/rfc/ls001/discussion.mdwn b/openpower/sv/rfc/ls001/discussion.mdwn index 28e09abd6..9cc97f6e5 100644 --- a/openpower/sv/rfc/ls001/discussion.mdwn +++ b/openpower/sv/rfc/ls001/discussion.mdwn @@ -5,7 +5,10 @@ discussion on ways to allocate scalar and svp64 opcodes # major old/new scalar/vec following a similar scheme to EXT001 in Power ISA Public v3.1, -one bit indicates "this is an entire new 32-bit scalar space" +one bit indicates "this is an entire new 32-bit scalar space". +although the "penalty" is that any such "escape-sequenced" +32-bit instructions require a prefix-marker bit, it does effectively +double the **entirety** of the 32-bit Major Opcode space. | 0-5 | 6 | 7 | 8-31 | Description | |-----|---|---|------|---------------------------| -- 2.30.2