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17 Commits

Author SHA1 Message Date
Lars-Peter Clausen ea1bf7577a Allow lsb > msb for enum base type 
Having an enum with a lsb > msb base type, e.g. `enum logic [0:9]` is a
legal construct.

It is handled correctly for the most part already, there is just an assert
that triggers on it. Remove that assert.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
 2022-01-08 16:10:25 +01:00
Cary R 6948c27c2d Enumerations are compatible if their type definitions match. 2014-11-04 15:05:49 -08:00
Cary R 9a471bd81c Don't crash if there are problems elaborating an enumeration. 2014-10-31 20:08:05 -07:00
Cary R c25538d750 Pass the integer type for enumerations to the IVL target stage 2014-10-31 18:09:19 -07:00
Stephen Williams 819770a6c4 Handle enumerations as packed struct/union members. 
There were also some subtleties related to using enumerations
from typedefs and using them in multiple places. Fix various
bugs related to those issues.
 2013-12-07 12:20:28 -08:00
Stephen Williams 20ee350601 Generalize user defined function return type handling. 
I'm gonna need functions to return class objects, so generalize
the output types of user defined functions.
 2013-04-20 16:38:35 -07:00
Stephen Williams 914ebeca4a Some rework to allow for nested packed types. 
This also simplifies the NetNet set of contructors and generalizes
the types that are supported, especially packed types.
 2012-10-14 17:16:47 -07:00
Stephen Williams 494dc876a5 Move net vector properties to netvector_t object. 2012-10-14 17:16:47 -07:00
Stephen Williams 0bdabab4fb Rework packed dimensions handling 
Make packed structs more obviously parts of a vector.
Handle arrays of structs in certain cases.
 2012-09-03 16:00:10 -07:00
Arun Persaud f5aafc32f9 updated FSF-address 2012-08-29 10:12:10 -07:00
Cary R 6184871242 Remove cppcheck warnings in ivl code. 
This patch removes the new cppcheck warnings in the main (ivl) directory.
 2011-10-14 18:40:49 -07:00
Cary R 3b6e26aa90 An enumeration cannot have duplicate values. 
Add code to check that an enumeration does not have duplicate values.
 2011-10-01 09:32:37 -07:00
Cary R d0b063b4a4 Fix enum compile warnings and update ivl.def (windows compile). 
This patch fixes a few compilation warnings introduced by the
enumeration code. It also updates the ivl.def file so that the
proper routines get exported under windows.
 2010-11-30 16:10:34 -08:00
Stephen Williams de215f1f8d Describe enum type to code generators 
This gets the enumeration type through to the ivl_target API so
that code generators can do something with it. Generate stub
output with tgt-stub, and generate the proper vvp run time to
make simple enumerations work from end to end.
 2010-11-20 15:09:32 -08:00
Stephen Williams 5e2c0e5d04 Better handling of width of enum literals in expressions. 2010-11-07 09:58:00 -08:00
Stephen Williams d37126bda5 Implement enum first/last/num methods. 2010-11-05 19:49:28 -07:00
Stephen Williams 5b5a6b05b7 Test type correctness during elaboration. 
Create a netenum_t class to carry the enumeration type in the
netlist.h structures, and use that type to check enumerations
with assignments.
 2010-11-02 20:16:42 -07:00