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Deprecate --cdc (#3279)

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Geza Lore 2022-01-16 15:30:44 +00:00 committed by GitHub
parent 5eded789aa
commit b4d8220cbb
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4 changed files with 13 additions and 2 deletions
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@ -16,6 +16,8 @@ Verilator 4.217 devel
* Primary inputs and outputs (VL_INW/VL_OUTW) now use VlWide type.
In general this should be backward compatible, but may lead to some
wrapper code needing changes.
* Option --cdc is deprecated and is planned for removal,
file a bug if this is still being used.
**Minor:**

4
docs/guide/deprecations.rst
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@ -23,3 +23,7 @@ Configuration File -msg
XML locations
The XML "fl" attribute has been replaced with the "loc" attribute. "fl"
is planned for removal no sooner than January 2021.
Option `--cdc`
The experimental `--cdc` option is believed to be generally unused and is
planned for removeal no sooner than January 2023.

4
src/V3Options.cpp
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@ -718,6 +718,10 @@ void V3Options::notify() {
"--xml-only or --E option");
}
if (cdc()) {
cmdfl->v3warn(DEPRECATED, "Option --cdc is deprecated and is planned for removal");
}
if (m_build && (m_gmake || m_cmake)) {
cmdfl->v3error("--make cannot be used together with --build. Suggest see manual");
}

5
test_regress/t/t_cdc_async_bad.out
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@ -1,8 +1,9 @@
%Warning-DEPRECATED: Option --cdc is deprecated and is planned for removal
... For warning description see https://verilator.org/warn/DEPRECATED?v=latest
... Use "/* verilator lint_off DEPRECATED */" and lint_on around source to disable this message.
%Warning-CDCRSTLOGIC: t/t_cdc_async_bad.v:28:21: Logic in path that feeds async reset, via signal: 't.rst2_bad_n'
28 | wire rst2_bad_n = rst0_n | rst1_n;
| ^
... For warning description see https://verilator.org/warn/CDCRSTLOGIC?v=latest
... Use "/* verilator lint_off CDCRSTLOGIC */" and lint_on around source to disable this message.
%Warning-CDCRSTLOGIC: See details in obj_vlt/t_cdc_async_bad/Vt_cdc_async_bad__cdc.txt
%Warning-CDCRSTLOGIC: t/t_cdc_async_bad.v:53:21: Logic in path that feeds async reset, via signal: 't.rst6a_bad_n'
53 | wire rst6a_bad_n = rst6_bad_n ^ $c1("0");