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diff --git a/openpower/sv/rfc/ls016.mdwn b/openpower/sv/rfc/ls016.mdwn
index 1daf67662aa666c4011aa9620e4a0d3b7cf7dc39..0b858f25c9e111ad01c0bfd4d957c2965ebe0786 100644 (file)
--- a/openpower/sv/rfc/ls016.mdwn
+++ b/openpower/sv/rfc/ls016.mdwn
@@ -66,7 +66,9 @@ The number of uses for FFT is also equally known to be extremely high
 <https://en.wikipedia.org/wiki/Fast_Fourier_transform#Applications>
 ARM has already added `vqrdmulhq_s16/32` instructions as their inclusion
 in any ISA replaces **eight** non-Twin-Butterfly instructions, which
-are often loop-unrolled, resulting in L1 I-Cache stripmining.
+are often loop-unrolled, resulting in L1 I-Cache stripmining as well
+as requiring far greater resources or much more complex hardware to
+get efficient execution.
 
 **Notes and Observations**: