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Author SHA1 Message Date
Marcelina Kościelnicka
a3528649c8 memory_dff: Remove now-useless write port handling. 2021-03-08 20:16:29 +01:00
Marcelina Kościelnicka
89c74ffd71 verilog: Use proc memory writes in the frontend. 2021-03-08 20:16:29 +01:00
Marcelina Kościelnicka
4e03865d5b Add support for memory writes in processes. 2021-03-08 20:16:29 +01:00
Marcelina Kościelnicka
c00a29296c sim: Avoid a crash on empty cell connection. 
Fixes #2513.
 2021-03-08 17:03:31 +01:00
Marcelina Kościelnicka
760284033d proc_dff: Fix emitted FF when a register is not assigned in async reset 
Fixes #2619.
 2021-03-08 17:01:43 +01:00
Marcelina Kościelnicka
bc717abad2 memory_dff: Remove code looking for $mux cells. 
This job is now performed by `opt_dff`, which runs before this pass.
 2021-03-08 16:58:12 +01:00
Marcelina Kościelnicka
d555454969 tests/bram: Do not generate write address collisions. 
These have no defined semantics, making the tests non-deterministic.
 2021-03-08 16:53:03 +01:00
Zachary Snow
bdc4fd0e92 Fix param without default log line 2021-03-07 16:06:25 -05:00
Dan Ravensloft
9cdc6b5f2e Replace assert in abc9_ops with more useful error message 2021-03-07 18:52:14 +01:00
whitequark
ab76d9cec5 cxxrtl: don't assert on edge sync rules tied to a constant. 
These are commonly the result of tying an async reset to an inactive
level.
 2021-03-07 14:29:30 +00:00
whitequark
d1de08e38a cxxrtl: allow always sync rules in debug_eval. 
These can be produced from `always @*` processes, if `-noproc`
is used.
 2021-03-07 14:28:45 +00:00
whitequark
9bb839c613
Merge pull request #2626 from zachjs/param-no-default 
sv: support for parameters without default values
 2021-03-07 05:48:03 -08:00
whitequark
72ae15c77c
Merge pull request #2632 from zachjs/width-limit 
verilog: impose limit on maximum expression width
 2021-03-07 03:45:41 -08:00
Zachary Snow
b1a8e73a60 sv: fix some edge cases for unbased unsized literals 
- Fix explicit size cast of unbased unsized literals
- Fix unbased unsized literal bound directly to port
- Output `is_unsized` flag in `dumpAst`
 2021-03-06 15:20:34 -05:00
Marcelina Kościelnicka
d245e2bae5 proc_clean: Fix empty case removal conditions. 
Fixes #2639.
 2021-03-06 17:39:50 +01:00
Marcelina Kościelnicka
3d2aef0bde Remove a few functions that, in fact, did not exist in the first place. 2021-03-06 01:19:49 +01:00
Dan Ravensloft
55e5bd4213 Replace assert in addModule with more useful error message 2021-03-06 00:10:28 +01:00
whitequark
9dd813374e
Merge pull request #2635 from whitequark/cxxrtl-memrd-async-addr 
cxxrtl: follow aliases to outlines when emitting $memrd.ADDR
 2021-03-05 05:30:19 -08:00
whitequark
06da2e0f18
Merge pull request #2634 from whitequark/cxxrtl-debug-wire-types 
cxxrtl: add pass debug flag to show assigned wire types
 2021-03-05 04:57:22 -08:00
whitequark
b117f9bba8
Merge pull request #2633 from whitequark/cxxrtl-no-top 
cxxrtl: don't crash on empty designs
 2021-03-05 04:14:07 -08:00
whitequark
14ce8bdaa6 cxxrtl: follow aliases to outlines when emitting $memrd.ADDR. 2021-03-05 12:09:02 +00:00
whitequark
8471808834 cxxrtl: add pass debug flag to show assigned wire types. 
Refs #2543.
 2021-03-05 11:58:59 +00:00
whitequark
a9a873a1d2 cxxrtl: don't crash on empty designs. 2021-03-05 11:05:19 +00:00
Zachary Snow
c18ddbcd82 verilog: impose limit on maximum expression width 
Designs with unreasonably wide expressions would previously get stuck
allocating memory forever.
 2021-03-04 15:20:52 -05:00
Claire Xen
7d2097b005
Update command-reference-manual.tex 2021-03-04 16:45:21 +01:00
Claire Xen
6c56c083f8
Update README 2021-03-04 16:43:30 +01:00
Noah Moroze
90b40aa51f clk2fflogic: nice names for autogenerated signals 2021-03-02 18:28:56 -05:00
Zachary Snow
d738b2c127 sv: support for parameters without default values 
- Modules with a parameter without a default value will be automatically
  deferred until the hierarchy pass
- Allows for parameters without defaults as module items, rather than
  just int the `parameter_port_list`, despite being forbidden in the LRM
- Check for parameters without defaults that haven't been overriden
- Add location info to parameter/localparam declarations
 2021-03-02 10:43:53 -05:00
whitequark
375af199ef
Merge pull request #2620 from zachjs/port-int-types 
verilog: fix sizing of ports with int types in module headers
 2021-03-01 22:46:07 -08:00
Zachary Snow
10a6bc9b81 verilog: fix sizing of ports with int types in module headers 
Declaring the ports as standard module items already worked as expected.
This adds a missing usage of `checkRange()` so that headers such as
`module m(output integer x);` now work correctly.
 2021-03-01 13:39:05 -05:00
Marcelina Kościelnicka
0e0f84299a Bump version 2021-03-01 19:33:05 +01:00
Zachary Snow
1ec5994100 verilog: fix handling of nested ifdef directives 
- track depth so we know whether to consider higher-level elsifs
- error on unmatched endif/elsif/else
 2021-03-01 12:28:33 -05:00
Zachary Snow
b6904a8e53 Set aside extraneous tests in simple_abc9 test suite 
New test cases on one branch may be automatically copied from simple/ to
simple_abc9/, causing failures when switching to another branch. This
updates the simple_abc9 script to set aside extraneous tests in a
non-destructive way.
 2021-03-01 12:13:11 -05:00
Claire Xen
004b780b8a
Merge pull request #2523 from tomverbeure/define_synthesis 
Add -nosynthesis flag for read_verilog command
 2021-03-01 18:00:48 +01:00
Claire Xen
527c681a2b
Merge pull request #2524 from bkbncn/patch-1 
Add boost-python3
 2021-03-01 17:46:33 +01:00
whitequark
7b47dd0f88
Merge pull request #2617 from RobertBaruch/doc 
RTLIL Documentation: switch in process is optional
 2021-03-01 08:10:32 -08:00
whitequark
ca5f5ffcd6
Merge pull request #2615 from zachjs/genrtlil-conflict 
genrtlil: improve name conflict error messaging
 2021-03-01 08:10:19 -08:00
whitequark
0fb4224ebc
Merge pull request #2618 from zachjs/int-types 
sv: extended support for integer types
 2021-02-28 20:29:44 -08:00
Zachary Snow
0f5b646ab8 sv: extended support for integer types 
- Standard data declarations can now use any integer type
- Parameters and localparams can now use any integer type
- Function returns types can now use any integer type
- Fix `parameter logic`, `localparam reg`, etc. to be 1 bit (previously 32 bits)
- Added longint type (64 bits)
- Unified parser source for integer type widths
 2021-02-28 16:31:56 -05:00
Robert Baruch
ca4b1afcb6 RTLIL Documentation: switch in process is optional 2021-02-27 09:58:03 -08:00
Claire Xen
d882b6fe3c
Update issue_template.md 2021-02-27 16:52:30 +01:00
Zachary Snow
bbff844acd genrtlil: improve name conflict error messaging 2021-02-26 18:08:23 -05:00
Michael Singer
d56b76bd7c Add tests for $countbits 2021-02-26 12:28:58 -05:00
Michael Singer
04b41ed04a Implement $countones, $isunknown and $onehot{,0} 2021-02-26 12:28:58 -05:00
Michael Singer
8434ba5a3b Implement $countbits function 2021-02-26 12:28:58 -05:00
Zachary Snow
22bed38540 Extend simplify() recursion warning 2021-02-26 12:11:23 -05:00
Marcelina Kościelnicka
5d0cc54f5c Bump version 2021-02-26 00:24:33 +01:00
whitequark
58a5755187
Merge pull request #2554 from hzeller/master 
Fix digit-formatting calculation for small numbers.
 2021-02-25 13:54:16 -08:00
Marcelina Kościelnicka
979347999f btor, smt2, smv: Add a hint on how to deal with funny FF types. 2021-02-25 22:04:04 +01:00
Marcelina Kościelnicka
a651204efa Fix handling of unique/unique0/priority cases in the frontend. 
Basically:

- priority converts to (* full_case *)
- unique0 converts to (* parallel_case *)
- unique converts to (* parallel_case, full_case *)

Fixes #2596.
 2021-02-25 21:53:58 +01:00