From: lkcl Date: Tue, 19 Apr 2022 12:09:00 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~2706 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8f567ee9f4a80cd68a07a1339d31f5e98136bd27;p=libreriscv.git --- diff --git a/openpower/isa/svfixedarith.mdwn b/openpower/isa/svfixedarith.mdwn index e51e292b2..1cb17ac42 100644 --- a/openpower/isa/svfixedarith.mdwn +++ b/openpower/isa/svfixedarith.mdwn @@ -32,15 +32,19 @@ Special Registers Altered: # Twin Multiply and Add Doubleword - - * maddx RT,RA,RB,RC + + prod[0:127] <- (RA) * (RB) sum[0:127] <- EXTZ(RC) + prod RT <- sum[64:127] RC <- sum[0:63] +Special Registers Altered: + + None + # Twin Multiply and Subtract Doubleword * msubx RT,RA,RB,RC