From: lkcl Date: Sun, 12 Jun 2022 12:53:16 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~1833 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9460eb92c21b2a90b19b9ca14af05ea14a408193;p=libreriscv.git --- diff --git a/openpower/sv/mv.swizzle.mdwn b/openpower/sv/mv.swizzle.mdwn index 182e9bea6..80f3d08fe 100644 --- a/openpower/sv/mv.swizzle.mdwn +++ b/openpower/sv/mv.swizzle.mdwn @@ -114,10 +114,12 @@ Horizontal-First Mode: destinations. Strict Program Order is required in full. *Implementor's note: the cost of Vertical-First Mode in an Embedded design -of storing four 64-bit in-flight elements may be too high. If this is the +of storing four 64-bit in-flight elements may be considered +too high. If this is the case it is acceptable to throw an Illegal Instruction Trap, and emulate the instruction in software. Performance will obviously be adversely affected. -See [[sv/compliancy_levels]]* +See [[sv/compliancy_levels]]*: all aspects of +Swizzle are entirely optional in hardware at the Embedded Level. # RM Mode Concept: