(no commit message)

diff --git a/openpower/sv/svp64.mdwn b/openpower/sv/svp64.mdwn
index 86f2b7b8822db9de5084459ba4d85a6d4722ed7c..549e98ddb5dfec68e2dd7983f743601a87d0fe27 100644 (file)
--- a/openpower/sv/svp64.mdwn
+++ b/openpower/sv/svp64.mdwn
@@ -269,6 +269,9 @@ Note:
 [`bf16`](https://en.wikipedia.org/wiki/Bfloat16_floating-point_format)
 is reserved for a future implementation of SV
 
+Note that any operation in Power ISA ending in "s" (`fadds`) shall
+perform its operation at **half** the ELWIDTH.  `sv.fadds/ew=f32` shall perform an IEEE754 FP16 operation that is then "padded" to fill out to an IEEE754 FP32.
+
 ## Elwidth for CRs:
 
 TODO, important, particularly for crops, mfcr and mtcr, what elwidth