From 145d3176ff4cce043ba23070088c0429a4790fc9 Mon Sep 17 00:00:00 2001 From: lkcl Date: Tue, 7 Sep 2021 13:43:10 +0100 Subject: [PATCH] --- openpower/sv/cr_ops.mdwn | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/openpower/sv/cr_ops.mdwn b/openpower/sv/cr_ops.mdwn index e0051edc1..5e49d7ab0 100644 --- a/openpower/sv/cr_ops.mdwn +++ b/openpower/sv/cr_ops.mdwn @@ -42,7 +42,14 @@ Thus, logically, we may set the following rule: the one that has just been modified by the operation. * When a 3-bit CR Result field is used the `inv CRbit` variant must be used in order to select which CR Field bit shall - be tested (EQ, LE, GE, SO). + be tested (EQ, LE, GE, SO) + +The reason why the 3-bit CR variant needs the additional CR-bit +field should be obvious from the fact that the 3-bit CR Field +from the base Power ISA v3.0B operation clearly does not contain +and is missing the two CR Field Selector bits. Thus, these two +bits (to select EQ, LE, GE or SO) must be provided in another +way. Examples of the former type: -- 2.30.2