From: lkcl Date: Tue, 4 Oct 2022 13:06:47 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~186 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d0a93b5cc7f0b752cfc6afcc11ca48707730b912;p=libreriscv.git --- diff --git a/openpower/sv/svp64/discussion.mdwn b/openpower/sv/svp64/discussion.mdwn index f92e59162..6a27fc65d 100644 --- a/openpower/sv/svp64/discussion.mdwn +++ b/openpower/sv/svp64/discussion.mdwn @@ -286,27 +286,16 @@ predication-based offsets (and REMAP) (not to be confused with VSPLAT mode). offs = immed * Question: - is RA.isvec=0 RT.isvec=1 a substitute? - - Answer: - +* Answer: no because RA.isvec=0 RT.isvec=1 is VSPLAT mode - * Question: - are there any other equivalent modes? - - Answer: - +* Answer: no, because immediate=0 selects Indexed mode - * Question: - can the VSPLAT mode be actually used in proposed scalar-mode? - - Answer: - +* Answer: No, scalar-mode requires RA.isvec=0 RT.isvec=0, but VSPLAT is RA.isvec=0 RT.isvec=1.