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authorClifford Wolf <clifford@clifford.at>2014-10-30 09:12:55 +0100
committerClifford Wolf <clifford@clifford.at>2014-10-30 09:12:55 +0100
commitac8f4d298b3cc351fa0658857e11069a67adb7ba (patch)
treecbb74baa3a8f0302de4dc4d2d849990eb6434cfb
parent269e37e969562275f337362b5423e2801f9c5765 (diff)
Improved nomem2reg documentation
-rw-r--r--README5
1 files changed, 4 insertions, 1 deletions
diff --git a/README b/README
index 1eb6f10a..d90a1193 100644
--- a/README
+++ b/README
@@ -248,7 +248,10 @@ Verilog Attributes and non-standard features
is strongly recommended instead).
- The "nomem2reg" attribute on modules or arrays prohibits the
- automatic early conversion of arrays to separate registers.
+ automatic early conversion of arrays to separate registers. This
+ is potentially dangerous. Usually the front-end has good reasons
+ for converting an array to a list of registers. Prohibiting this
+ step will likely result in incorrect synthesis results.
- The "mem2reg" attribute on modules or arrays forces the early
conversion of arrays to separate registers.