Add `vmacc` back to the ISA doc
It is actually supported in the HW
Change-Id: I220dd3f9bda1f62cd7bb9201d1d44cbc09801458
diff --git a/docs/kelvin_isa.md b/docs/kelvin_isa.md
index 97b8cdc..917aeec 100644
--- a/docs/kelvin_isa.md
+++ b/docs/kelvin_isa.md
@@ -197,6 +197,7 @@
vmulw | 04 xxxxxU |
vmulh.{ur} | 08 xxxxRU |
vdmulh.{rn} | 16 xxxxRN |
+vmacc | 20 xxxxxx |
vmadd | 21 xxxxxx |
**Float** | ... | **101**
--reserved-- | xx xxxxxx |
@@ -1297,6 +1298,24 @@
--------------------------------------------------------------------------------
+### VMACC
+
+Multiply accumulate.
+
+**Encodings**
+
+vmacc.[b,h,w].vv.{m} vd, vs1, vs2 \
+vmacc.[b,h,w].vx.{m} vd, vs1, xs2
+
+**Operation**
+
+```
+for L in Op.typelen
+ vd[N] += vs1[L] * vs2[L]
+```
+
+--------------------------------------------------------------------------------
+
### VMADD
Multiply add.
