(no commit message)

diff --git a/openpower/sv/shape_table_format.mdwn b/openpower/sv/shape_table_format.mdwn
index a4a2f31bfa44510d5011cf8407097317e3d959d3..894f967337f6406d17b44c05aa10d15e34b15192 100644 (file)
--- a/openpower/sv/shape_table_format.mdwn
+++ b/openpower/sv/shape_table_format.mdwn
@@ -162,3 +162,8 @@ def index_remap(ISHAPE, i):
     return get_polymorphed_reg(svreg, srcwid, el_idx) + offs
 ```
 
+The most important observation above is that the Matrix-style
+remapping occurs first and the Index lookup second.  Thus it
+becomes possible to perform in-place Transpose of Indices which
+may have been costly to set up or costly to duplicate
+(waste register file space).