From e3954be5f426997a9c45fd5e60ed74a30a9708d8 Mon Sep 17 00:00:00 2001 From: lkcl Date: Wed, 25 May 2022 12:47:14 +0100 Subject: [PATCH] --- openpower/sv/int_fp_mv.mdwn | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/openpower/sv/int_fp_mv.mdwn b/openpower/sv/int_fp_mv.mdwn index 2326f6c59..ab036f173 100644 --- a/openpower/sv/int_fp_mv.mdwn +++ b/openpower/sv/int_fp_mv.mdwn @@ -74,6 +74,12 @@ In all existing Power ISA Scalar conversion instructions, all operands are FPRs, even if the format of the source or destination data is actually a scalar integer. +*(This is based on an assumption +that VSX will be implemented, and VSX is not part of the SFFS Compliancy +Level. An earlier version of the Power ISA used to have similar instructions: +they were deprecated due to this incorrect assumption that VSX would +always be present).* + Note that source and destination widths can be overridden by SimpleV SVP64, and that SVP64 also has Saturation Modes *in addition* to those independently described here. SVP64 Overrides and Saturation -- 2.30.2