From ac2c03bec3927f18e6c3629db1607750e65e1d8f Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 9 Jan 2021 14:47:40 +0000 Subject: [PATCH] --- openpower/sv/svp64.mdwn | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/openpower/sv/svp64.mdwn b/openpower/sv/svp64.mdwn index 8e2a8d098..e40225cc1 100644 --- a/openpower/sv/svp64.mdwn +++ b/openpower/sv/svp64.mdwn @@ -203,6 +203,7 @@ The Mode table is laid out as follows: | 00 | 0 | sz dz | normal mode | | 00 | 1 | sz CRM | reduce mode (mapreduce), SUBVL=1 | | 00 | 1 | SVM CRM | subvector reduce mode, SUBVL>1 | +| 01 | mod | rsvd | see [[sv/ldst]] if src is Vector | | 01 | inv | CR-bit | Rc=1: ffirst CR sel | | 01 | inv | sz RC1 | Rc=0: ffirst z/nonz | | 10 | N | sz dz | sat mode: N=0/1 u/s | @@ -220,7 +221,8 @@ Fields: ## LD/ST ffirst -ffirst LD/ST to multiple pages via a Vectorised base is considered a security risk due to the abuse of probing multiple pages in rapid succession and getting feedback on which pages would fail. Therefore in these special circumstances requesting ffirst eith a vector base is instead interpreted as element-strided LD/ST. See +ffirst LD/ST to multiple pages via a Vectorised base is considered a security risk due to the abuse of probing multiple pages in rapid succession and getting feedback on which pages would fail. Therefore in these special circumstances requesting ffirst with a vector base is instead interpreted as element-strided LD/ST. See +and [[sv/ldst]] # ELWIDTH Encoding -- 2.30.2