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Author SHA1 Message Date
R. Ou
20ce4118da json: Change compat mode to directly emit ints <= 32 bits 
This increases compatibility with certain older parsers in some cases
that worked before commit 15fae357 but do not work with the current
compat-int mode
 2020-02-09 01:01:18 -08:00
Eddie Hung
2e8d6ec0b0 Remove unnecessary comma 2020-02-07 12:45:07 -08:00
Eddie Hung
be8bc63f84
Merge pull request #1687 from YosysHQ/eddie/fix_ystests 
Fix shiftx2mux, fix yosys-tests
 2020-02-07 12:32:08 -08:00
Eddie Hung
affae35847 techmap: fix shiftx2mux decomposition 2020-02-07 11:02:48 -08:00
Eddie Hung
e6bb7b0782 Fix misc.abc9.abc9_abc9_luts 2020-02-07 08:27:45 -08:00
Marcin Kościelnicki
89adef352f xilinx: Add support for LUT RAM on LUT4-based devices. 
There are multiple other kinds of RAMs supported on these devices, but
RAM16X1D is the only dual-port one.

Fixes #1549
 2020-02-07 09:03:22 +01:00
Marcin Kościelnicki
d48950d92d xilinx: Initial support for LUT4 devices. 
Adds support for mapping logic, including LUTs, wide LUTs, and carry
chains.

Fixes #1547
 2020-02-07 09:03:22 +01:00
Eddie Hung
1f54b0008f
Merge pull request #1685 from dh73/gowin 
Removing cells_sim from GoWin bram techmap
 2020-02-06 20:59:21 -08:00
whitequark
6f67dd8df5
Merge pull request #1683 from whitequark/write_verilog-memattrs 
write_verilog: dump $mem cell attributes
 2020-02-07 02:54:04 +00:00
whitequark
c34d7b13f4 ast: avoid intermediate wires/assigns when lowering to AST_MEMINIT. 
Before this commit, every initial assignment to a memory generated
two wires and four assigns in a process. For unknown reasons (I did
not investigate), large amounts of assigns cause quadratic slowdown
later in the AST frontend, in processAst/removeSignalFromCaseTree.
As a consequence, common and reasonable Verilog code, such as:
  reg [`WIDTH:0] mem [0:`DEPTH];
  integer i; initial for (i = 0; i <= `DEPTH; i++) mem[i] = 0;
took extremely long time to be processed; around 80 s for a 8-wide,
8192-deep memory.

After this commit, initial assignments where address and/or data are
constant (after `generate`) do not incur the cost of intermediate
wires; expressions like `mem[i+1]=i^(i<<1)` are considered constant.
This results in speedups of orders of magnitude for common memory
sizes; it now takes merely 0.4 s to process a 8-wide, 8192-deep
memory, and only 5.8 s to process a 8-wide, 131072-deep one.

As a bonus, this change also results in nontrivial speedups later
in the synthesis pipeline, since pass sequencing issues meant that
all of these intermediate wires were subject to transformations such
as width reduction, even though they existed solely to be constant
folded away in `memory_collect`.
 2020-02-07 00:41:54 +00:00
Marcin Kościelnicki
30854b9c7f xilinx: Add block RAM mapping for Virtex 2* and Spartan 3*. 2020-02-07 01:00:29 +01:00
Marcin Kościelnicki
95c46ccc55 xilinx: Add support for Spartan 3A DSP block RAMs. 
Part of #1550
 2020-02-07 01:00:29 +01:00
Eddie Hung
1784d25f53
Merge pull request #1684 from YosysHQ/eddie/xilinx_arith_map 
Fix/cleanup +/xilinx/arith_map.v
 2020-02-06 13:51:23 -08:00
Diego H
87883f6d88 Removing cells_sim.v from bram techmap pass 2020-02-06 14:38:29 -06:00
Eddie Hung
d625e399cb Fix $lcu -> MUXCY mapping, credit @mwkmwkmwk 2020-02-06 11:25:07 -08:00
Eddie Hung
5ecbc6c7b2 Fix/cleanup +/xilinx/arith_map.v 2020-02-06 11:00:04 -08:00
Marcin Kościelnicki
8f559b070a edif: more resilience to mismatched port connection sizes. 
Fixes #1653.
 2020-02-06 18:45:03 +01:00
whitequark
e95a8ba763 write_verilog: dump $mem cell attributes. 
The Verilog backend already dumps attributes on RTLIL::Memory objects
but not on `$mem` cells.
 2020-02-06 16:22:42 +00:00
Rodrigo Alejandro Melo
9da5936c05 Added 'set -e' into tests/memfile/run-test.sh 
Also added two checks for situations where the execution must fail.

Signed-off-by: Rodrigo Alejandro Melo <rmelo@inti.gob.ar>
 2020-02-06 10:45:40 -03:00
Rodrigo Alejandro Melo
da485dc007 Modified $readmem[hb] to use '\' or '/' according the OS 
Signed-off-by: Rodrigo Alejandro Melo <rmelo@inti.gob.ar>
 2020-02-06 10:10:29 -03:00
Eddie Hung
d44848328b
Merge pull request #1682 from YosysHQ/eddie/opt_after_techmap 
synth_*: call 'opt -fast' after 'techmap'
 2020-02-05 20:21:40 -08:00
Eddie Hung
0b0148399c synth_*: call 'opt -fast' after 'techmap' 2020-02-05 18:39:01 -08:00
Eddie Hung
fc33287bc1 verilog: instead of modifying localparam size, extend init constant expr 2020-02-05 17:19:42 -08:00
Eddie Hung
4c1d3a126d shiftx2mux: fix select out of bounds 2020-02-05 16:41:09 -08:00
Eddie Hung
505557e93e
Merge pull request #1576 from YosysHQ/eddie/opt_merge_init 
opt_merge: discard \init of '$' cells with 'Q' port when merging
 2020-02-05 14:56:26 -08:00
Eddie Hung
6eb7e925a1
Merge pull request #1650 from YosysHQ/eddie/shiftx2mux 
techmap LSB-first for compatible $shift/$shiftx cells
 2020-02-05 14:55:57 -08:00
Eddie Hung
0b308c6835 abc9_ops: -reintegrate to use derived_type for box_ports 2020-02-05 14:46:48 -08:00
Eddie Hung
b6a1f627b5 Merge remote-tracking branch 'origin/master' into eddie/shiftx2mux 2020-02-05 10:47:31 -08:00
Eddie Hung
5ebdc0f8e0
Merge pull request #1638 from YosysHQ/eddie/fix1631 
clk2fflogic: work for bit-level $_DFF_* and $_DFFSR_*
 2020-02-05 19:31:18 +01:00
Eddie Hung
0671ae7d79
Merge pull request #1661 from YosysHQ/eddie/abc9_required 
abc9: add support for required times
 2020-02-05 18:59:40 +01:00
Stefan Biereigel
90c78f1f85 add testcase for #1614 2020-02-03 21:29:54 +01:00
Stefan Biereigel
b844b078db correct wire declaration grammar for #1614 2020-02-03 21:29:40 +01:00
Stefan Biereigel
3d13b10859 remove namespace mention from inheritance information 2020-02-03 20:54:32 +01:00
Stefan Biereigel
362e3aa40f expose polymorphism through python wrappers 2020-02-03 20:21:02 +01:00
Rodrigo A. Melo
665a967d87
Merge branch 'master' into master 2020-02-03 11:07:51 -03:00
Marcelina Kościelnicka
34d2fbd2f9
Add opt_lut_ins pass. (#1673) 2020-02-03 14:57:17 +01:00
Rodrigo Alejandro Melo
313a425bd5 Merge branch 'master' of https://github.com/YosysHQ/yosys 
Solved a conflict into the CHANGELOG

Signed-off-by: Rodrigo Alejandro Melo <rmelo@inti.gob.ar>
 2020-02-03 10:56:41 -03:00
Rodrigo Alejandro Melo
71f3afb9a2 Replaced strlen by GetSize into simplify.cc 
As recommended in CodingReadme.

Signed-off-by: Rodrigo Alejandro Melo <rmelo@inti.gob.ar>
 2020-02-03 10:44:09 -03:00
David Shah
7033503cd9
Merge pull request #1516 from YosysHQ/dave/dotstar 
sv: Add support for wildcard port connections (.*)
 2020-02-02 18:12:28 +00:00
David Shah
0488492ad2 Update CHANGELOG and README 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:13:13 +00:00
David Shah
4bfd2ef4f3 sv: Improve handling of wildcard port connections 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
David Shah
ebe1d7d5ab sv: More tests for wildcard port connections 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
David Shah
7e741714df hierarchy: Correct handling of wildcard port connections with default values 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
David Shah
a210675d71 sv: Add tests for wildcard port connections 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
David Shah
5df591c023 hierarchy: Resolve SV wildcard port connections 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
David Shah
50f86c11b2 sv: Add lexing and parsing of .* (wildcard port conns) 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-02 16:12:33 +00:00
Rodrigo Alejandro Melo
8217f579b7 Removed 'synth' into tests/memfile/run-test.sh 
Signed-off-by: Rodrigo Alejandro Melo <rodrigomelo9@gmail.com>
 2020-02-02 12:34:27 -03:00
Rodrigo Alejandro Melo
9b49f1bc46 Added content1.dat into tests/memfile 
Modified run-test.sh to use it.

Signed-off-by: Rodrigo Alejandro Melo <rodrigomelo9@gmail.com>
 2020-02-02 12:18:34 -03:00
David Shah
9f5613100b
Merge pull request #1647 from YosysHQ/dave/sprintf 
ast: Add support for $sformatf system function
 2020-02-02 14:53:46 +00:00
David Shah
1055b6b1dd
Merge pull request #1657 from YosysHQ/dave/xilinx-dsp-multonly 
synth_xilinx: add -dsp-multonly
 2020-02-02 14:53:32 +00:00