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authorClifford Wolf <clifford@clifford.at>2015-02-25 12:46:00 +0100
committerClifford Wolf <clifford@clifford.at>2015-02-25 12:46:00 +0100
commit3fe18c26cd020b31012e465c5a8b1db0abe64182 (patch)
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Added "keep_hierarchy" attribute
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@@ -288,6 +288,9 @@ Verilog Attributes and non-standard features
Setting the "keep" attribute on a module has the same effect as setting it
on all instances of the module.
+- The "keep_hierarchy" attribute on cells and modules keeps the "flatten"
+ command from flattening the indicated cells and modules.
+
- The "init" attribute on wires is set by the frontend when a register is
initialized "FPGA-style" with 'reg foo = val'. It can be used during synthesis
to add the necessary reset logic.