From 50367ccb44d983ba3c7756cd2e49b765c7cc6b86 Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Mon, 25 Sep 2023 18:40:51 +0100 Subject: [PATCH] add lbzup english description based on lbzu --- openpower/isa/pifixedload.mdwn | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/openpower/isa/pifixedload.mdwn b/openpower/isa/pifixedload.mdwn index b5671cbc..045d3262 100644 --- a/openpower/isa/pifixedload.mdwn +++ b/openpower/isa/pifixedload.mdwn @@ -20,6 +20,16 @@ Pseudo-code: RT <- ([0] * (XLEN-8)) || MEM(EA, 1) RA <- (RA) + EXTS(D) +Description: + + Let the effective address (EA) be register RA. The + byte in storage addressed by EA is loaded into RT[56:63]. + RT[0:55] are set to 0. + + The sum (RA) + D is placed into register RA. + + If RA=0 or RA=RT, the instruction form is invalid. + Special Registers Altered: None -- 2.30.2