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9203 Commits

Author SHA1 Message Date
Henner Zeller 5c6e681673 Use static constexpr instead of static const where possible. 
In particular inside class declarations, a static const
assignment is technically not a definition, while constexpr is.

Signed-off-by: Henner Zeller <h.zeller@acm.org>
 2020-04-14 14:19:38 -07:00
Marcelina Kościelnicka 6c16fd760b opt_expr: Add more $alu optimizations. 
Detect the places in the $alu where the carry bit is constant (due to
const A[i] == B[i] ^ BI) and split it into smaller $alu at these points.

Also, make the existing const-carry detection for low bits more generic
(now handles cases where both BI and CI are constant, but not equal to
one another).

Fixes #1912.
 2020-04-14 21:48:13 +02:00
Marcelina Kościelnicka 7a36728b2f dffinit: Avoid setting init parameter to zero-length value. 
Fixes #1704.
 2020-04-14 19:52:19 +02:00
Eddie Hung 3a27906ac6 abc9_exe: verify -> &verify -s 2020-04-14 08:21:26 -07:00
Eddie Hung 843201ec96 techmap: fix error message 2020-04-14 08:17:02 -07:00
whitequark d8f2a1fda0
Merge pull request #1922 from whitequark/write_cxxrtl-disconnected-outputs 
write_cxxrtl: ignore disconnected module ports
 2020-04-14 14:37:48 +00:00
whitequark 7025881a5e
Merge pull request #1921 from whitequark/write_cxxrtl-separate-compilation 
write_cxxrtl: enable separate compilation
 2020-04-14 13:53:52 +00:00
Eddie Hung 759283fa65
Merge pull request #1917 from YosysHQ/eddie/abc9_delay_check 
xaiger: add check for $__ABC9_DELAY model
 2020-04-14 06:01:55 -07:00
whitequark f41c7ccfff
Merge pull request #1879 from jjj11x/jjj11x/package_decl 
support using previously declared types/localparams/parameters in package
 2020-04-14 12:40:00 +00:00
whitequark 0e1beb6f30
Merge pull request #1880 from jjj11x/duplicate_enum 
duplicated enum item names should result in an error
 2020-04-14 12:39:28 +00:00
whitequark 0d0bf9c4a2 write_cxxrtl: ignore disconnected module ports. 
E.g. port `q` in `submod x(.p(p), .q());`.

Fixes #1920.
 2020-04-14 12:36:20 +00:00
whitequark 9c64d37a4c write_verilog: fix precondition check. 2020-04-14 12:12:50 +00:00
whitequark 102fb5424f write_cxxrtl: enable separate compilation. 
This commit makes it possible to use several cxxrtl-generated files
in one application, as well as compiling cxxrtl-generated code as
a separate compilation unit.
 2020-04-14 12:07:58 +00:00
Eddie Hung 0808318d55 xaiger: add check for $__ABC9_DELAY model 2020-04-13 19:11:23 -07:00
Eddie Hung f44b287f8e
Merge pull request #1568 from YosysHQ/eddie/fix_zinit 
zinit: fixes for $_DFF_[NP][NP][01]_and $adff cells with init = 1'b1
 2020-04-13 18:33:42 -07:00
Eddie Hung b75c5bf743 zinit: resolve one more comment by @mwkmwkmwk 2020-04-13 15:25:37 -07:00
Eddie Hung c6afce7638 zinit: fix review comments from @mwkmwkmwk 2020-04-13 15:16:51 -07:00
Eddie Hung 091297b9ee tests: zinit on $adff 2020-04-13 14:29:44 -07:00
Eddie Hung 70bca35f9c zinit: operate on $adff, erase (* init *) entries on consumption 2020-04-13 14:28:53 -07:00
Eddie Hung 1cdfdbc6d1 Fix S/R comment; thanks @mwkmwkmwk 2020-04-13 13:45:18 -07:00
Eddie Hung 4617aa8ccd zinit to transform set/reset value of $_DFF_[NP][NP][01]_ 2020-04-13 13:45:18 -07:00
Eddie Hung 3c5a9411b1 Add testcase for $_DFF_[NP][NP][01]_ 2020-04-13 13:16:49 -07:00
Eddie Hung b97a9cd3f3 Supress error for unhandled \init if whole module selected 2020-04-13 13:16:49 -07:00
Marcelina Kościelnicka 840bb17089 opt_expr: Optimize multiplications with low 0 bits in operands. 
Fixes #1500.
 2020-04-13 16:52:22 +02:00
whitequark 5448f9c85d
Merge pull request #1910 from boqwxp/cleanup_ilang_parser 
Clean up pseudo-private member usage in `frontends/ilang/ilang_parser.y`.
 2020-04-13 08:40:45 +00:00
Alberto Gonzalez 8a84674a42
Clean up pseudo-private member usage in `frontends/ilang/ilang_parser.y`. 2020-04-13 04:22:00 +00:00
Xiretza 7f1d83c5db Add .gitignore to tests/select/ 2020-04-12 22:45:45 +02:00
David Shah 87555c44d5
Merge pull request #1907 from YosysHQ/dave/fix-1906 
verilog: Fix write to deleted object
 2020-04-12 21:08:02 +01:00
David Shah 0a178de1b3 verilog: Fix write to deleted object 
Signed-off-by: David Shah <dave@ds0.me>
 2020-04-12 18:49:09 +01:00
whitequark 93ef516d91
Merge pull request #1603 from whitequark/ice40-ram_style 
ice40/ecp5: add support for both 1364.1 and Synplify/LSE RAM/ROM attributes
 2020-04-10 14:51:01 +00:00
Miodrag Milanović 93c6c67798
Merge pull request #1893 from mmicko/program_prefix 
Support custom PROGRAM_PREFIX
 2020-04-10 16:33:01 +02:00
Miodrag Milanovic af7b7b6dc1 Keep libyosys name same as befire, but put it in directory 2020-04-10 15:02:48 +02:00
Miodrag Milanovic 0d789c5a3b Support custom PROGRAM_PREFIX 2020-04-10 10:38:40 +02:00
whitequark 7c06cb6157
Merge pull request #1562 from whitequark/write_cxxrtl 
write_cxxrtl: new backend
 2020-04-10 01:24:31 +00:00
Eddie Hung 371af7da38
Merge pull request #1858 from YosysHQ/eddie/fix1856 
kernel: include "kernel/constids.inc"
 2020-04-09 14:23:47 -07:00
Eddie Hung f11dd6e208 tests: add a quick plugin test 2020-04-09 09:45:20 -07:00
Eddie Hung 60ffc21e64 kernel: include "kernel/constids.inc" instead of "constids.inc" 2020-04-09 09:14:03 -07:00
Marcelina Kościelnicka 516857f3ba [NFCI] Deduplicate builtin FF cell types list 
A few passes included the same list of FF cell types.  Make it a global
const instead.

The zinit pass also seems to include a list like that, but given that
it seems to be completely broken at the time (see #1568 discussion),
I'm going to pretend I didn't see that.
 2020-04-09 18:05:06 +02:00
N. Engelhardt 7f33d43e3b
Merge pull request #1890 from boqwxp/cleanup_memory_collect 
Clean up `passes/memory/memory_collect.cc`.
 2020-04-09 14:01:29 +02:00
N. Engelhardt ed738b8ddb
Merge pull request #1889 from boqwxp/cleanup_memory_unpack 
Clean up `passes/memory/memory_unpack.cc`.
 2020-04-09 14:00:44 +02:00
N. Engelhardt 14d24bc589
Merge pull request #1887 from boqwxp/cleanup_hilomap 
Clean up `passes/techmap/hilomap.cc`.
 2020-04-09 12:09:44 +02:00
Alberto Gonzalez 652050b273
Clean up `passes/memory/memory_collect.cc`. 2020-04-09 05:43:05 +00:00
Alberto Gonzalez 685dc37d27
Clean up `passes/memory/memory_unpack.cc`. 2020-04-09 05:38:36 +00:00
Alberto Gonzalez 83222193af
Clean up `passes/techmap/hilomap.cc`. 2020-04-09 05:28:32 +00:00
whitequark 4737f426ff write_cxxrtl: add basic documentation. 2020-04-09 04:08:36 +00:00
whitequark 753e34007d write_cxxrtl: add support for $dlatch and $dlatchsr cells. 
Also, fix codegen for $dffe and $adff.
 2020-04-09 04:08:36 +00:00
whitequark 711df56ad0 write_cxxrtl: add support for $sr cell. 
Also, fix the semantics of SET/CLR inputs of the $dffsr cell, and
fix the scheduling of async FF cells to consider ARST/SET/CLR->Q
as a forward combinatorial arc.
 2020-04-09 04:08:36 +00:00
whitequark 9534b51277 write_cxxrtl: add support for $slice and $concat cells. 2020-04-09 04:08:36 +00:00
whitequark 01e6850bd3 write_cxxrtl: improve writable memory handling. 
This commit reduces space and time overhead for writable memories
to O(write port count) in both cases; implements handling for write
port priorities; and simplifies runtime representation of memories.
 2020-04-09 04:08:36 +00:00
whitequark fb0270b752 write_cxxrtl: add support for hierarchical designs. 
Hierarchical design simulations are generally much slower, but this
comes with a major increase in flexibility:
 1. Since the `flatten` pass currently does not support flattening
    of designs with processes, this is the only way to simulate such
    designs with cxxrtl.
 2. Support for hierarchy paves way for simulation black boxes,
    which are necessary for e.g. replacing PHYs with C++ code that
    integrates with the host system.
 2020-04-09 04:08:36 +00:00