From: Shriya Sharma Date: Fri, 17 Nov 2023 15:35:39 +0000 (+0000) Subject: Added English language description for stbupsx instruction X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=efb75133c2ac1965735bee17e3d11cb5ed62052f;p=openpower-isa.git Added English language description for stbupsx instruction --- diff --git a/openpower/isa/pifixedstoreshift.mdwn b/openpower/isa/pifixedstoreshift.mdwn index 194bee36..1f2694a0 100644 --- a/openpower/isa/pifixedstoreshift.mdwn +++ b/openpower/isa/pifixedstoreshift.mdwn @@ -10,18 +10,19 @@ Z23-Form -* stbupsx RS,RA,RB +* stbupsx RS,RA,RB,SH Pseudo-code: - EA <- (RA) + (RB) + EA <- (RA) + (RB)<<(SH+1) ea <- (RA) MEM(ea, 1) <- (RS)[XLEN-8:XLEN-1] RA <- EA Description: - Let the effective address (EA) be the sum (RA)+ (RB). + Let the effective address (EA) be the sum of the contents of + register RB shifted by (SH+1), and the contents of register RA. (RS)[56:63] are stored into the byte in storage addressed by EA.