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Author SHA1 Message Date
Rupert Swarbrick
0d9beb5b2e Silence warning in select.cc 
With GCC 9.3, at least, compiling select.cc spits out a warning about
an implausible bound being passed to strncmp. This comes from inlining
IdString::compare(): it turns out that passing std::string::npos as a
bound to strncmp triggers it.

This patch replaces the compare call with a memcmp with the same
effect. The repeated calls to IdString::c_str are slightly
inefficient, but I'll address that in a follow-up commit.
 2020-05-27 09:34:15 +01:00
Eddie Hung
a7f2ef6d34
Merge pull request #2078 from YosysHQ/eddie/xilinx_sim_tidy 
xilinx: tidy up cells_sim.v a little
 2020-05-25 14:21:10 -07:00
Eddie Hung
08221edbc1 tests: xilinx macc test to have initval, shorten BMC depth for runtime 2020-05-25 10:09:05 -07:00
Eddie Hung
5b81df57c8 xilinx: tidy up cells_sim.v a little 2020-05-25 09:48:11 -07:00
Eddie Hung
59b355fb85
Merge pull request #2044 from YosysHQ/eddie/fix2037 
verilog: allow attributes on behavioural statements (including null statement)
 2020-05-25 09:14:00 -07:00
Eddie Hung
c5a9abba11 verilog: move attr from simple_behav_stmt to its children to attach 2020-05-25 07:36:53 -07:00
Eddie Hung
95dcd7e785 test: add attribute-before-stmt test from @nakengelhardt 2020-05-25 07:36:53 -07:00
Eddie Hung
1c117ac023 verilog: do not warn for attributes on null statements 2020-05-25 07:36:53 -07:00
Eddie Hung
29d84339bf tests: add an generate-else test too 2020-05-25 07:36:53 -07:00
Eddie Hung
88bddb37c9 verilog: handle empty generate statement by removing gen_stmt_or_null... 
... rule which causes a s/r conflict. Now we get an empty genblock,
which should be okay.
 2020-05-25 07:36:53 -07:00
Eddie Hung
d21a07c7b5 verilog: fix #2037 by permitting (and freeing) attributes on null stmt 2020-05-25 07:36:53 -07:00
Eddie Hung
589775538c tests: add #2037 testcase 2020-05-25 07:36:53 -07:00
clairexen
ae11156c90
Merge pull request #2015 from boqwxp/qbfsat-bisection 
qbfsat: Add an iterative bisection optimization method and make it the default.
 2020-05-25 15:50:18 +02:00
Eddie Hung
89ed34fe55
Merge pull request #2075 from YosysHQ/eddie/xaiger_cleanup 
xaiger: do not derive cells
 2020-05-24 10:10:50 -07:00
Eddie Hung
33b03ce904 xaiger: add testcase 2020-05-24 08:48:23 -07:00
Eddie Hung
d64df21630 xaiger: do not derive cells 2020-05-24 08:17:30 -07:00
Eddie Hung
227c3ff310
Merge pull request #2074 from YosysHQ/eddie/ecp5_cleanup 
ecp5: cleanup unused +/ecp5/abc9_model.v
 2020-05-23 09:28:42 -07:00
Eddie Hung
76e0cc8276 ecp5: cleanup unused +/ecp5/abc9_model.v 2020-05-23 08:17:40 -07:00
Alberto Gonzalez
ac41f8a9c7
qbfsat: Remove cruft inadvertently left untouched in commit 86fc49a9d6. 2020-05-23 00:53:09 +00:00
Alberto Gonzalez
aea0fd5ed4
qbfsat: Add bisection mode and make it the default. 
Also adds `-nooptimize` and reorganizes `qbfsat.cc` a bit.
 2020-05-23 00:53:09 +00:00
whitequark
721040df76
Merge pull request #2072 from whitequark/cxxrtl-dont-purge 
cxxrtl: get rid of -O5 aka `opt_clean -purge` optimization level
 2020-05-22 20:08:39 +00:00
whitequark
281c96856a cxxrtl: get rid of -O5 aka opt_clean -purge optimization level. 
This isn't actually necessary anymore after scheduling was improved,
and `clean -purge` disrupts the mapping between wires in the input
RTLIL netlist and the output CXXRTL code.
 2020-05-22 19:08:30 +00:00
Eddie Hung
4f0f321169 abc9_ops: update comment 2020-05-21 21:39:13 -07:00
Eddie Hung
574812d9a5
Merge pull request #2057 from YosysHQ/eddie/fix_task_attr 
verilog: support attributes before (not after) task identifier (but 13 s/r conflicts)
 2020-05-21 11:00:36 -07:00
Eddie Hung
38e858af8d
Update frontends/verilog/verilog_parser.y 
Co-authored-by: Alberto Gonzalez <61295559+boqwxp@users.noreply.github.com>
 2020-05-21 09:10:56 -07:00
Miodrag Milanović
637650597b
Merge pull request #2059 from boqwxp/logger-vector-to-dict 
log: Use `dict` instead of `std::vector<std::pair>` for `log_expect_{error, warning, log}` to better express the intent that each element is unique.
 2020-05-21 15:36:30 +02:00
N. Engelhardt
026fed3135
Merge pull request #2046 from PeterCrozier/trap 
Extend YS_DEBUGTRAP to MacOS.
 2020-05-20 10:12:24 +02:00
N. Engelhardt
7c4e580f8f
Merge pull request #2054 from boqwxp/fix-smtbmc 
smtbmc: Fix return status handling.
 2020-05-20 08:55:36 +02:00
Alberto Gonzalez
1053032a81
smtbmc: Fix typo in error message. 
Co-Authored-By: N. Engelhardt <nak@symbioticeda.com>
 2020-05-19 16:13:44 +00:00
Marcelina Kościelnicka
aee439360b Add force_downto and force_upto wire attributes. 
Fixes #2058.
 2020-05-19 01:42:40 +02:00
Eddie Hung
2d573a0ff6
Merge pull request #1926 from YosysHQ/eddie/abc9_auto_dff 
abc9: support seq synthesis when module has (* abc9_flop *) and bypass non-combinatorial (* abc9_box *)
 2020-05-18 08:06:50 -07:00
Claire Wolf
fa8cb3e35d Revert "Add support for non-power-of-two mem chunks in verific importer" 
This reverts commit 173aa27ca5.
 2020-05-17 11:31:11 +02:00
Alberto Gonzalez
8297afe925
log: Use dict instead of std::vector<std::pair> for log_expect_{error, warning, log} to better express the intent that each element is unique. 2020-05-15 00:55:32 +00:00
Eddie Hung
67fc0c3698 abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_ 
instead of moving them to $__ prefix
 2020-05-14 16:44:35 -07:00
Eddie Hung
7101ef550b verilog: attributes before task enable (but 13 s/r conflicts) 2020-05-14 16:10:11 -07:00
Eddie Hung
e7fd8912f0 tests: attributes before task enable 2020-05-14 16:09:41 -07:00
Eddie Hung
07eecff9cc
Merge pull request #2055 from YosysHQ/eddie/logger_multiple 
logger: fix for multiple calls with same pattern
 2020-05-14 15:30:08 -07:00
Eddie Hung
7b3a4a1fff opt_expr: Sx to Sz; spotted by @Xiretza 2020-05-14 12:14:23 -07:00
Eddie Hung
73b7ea713c
Merge pull request #1994 from YosysHQ/eddie/fix_bug1758 
opt_expr: improve single-bit $and/$or/$xor/$xnor cells; gate cells too
 2020-05-14 11:56:22 -07:00
Eddie Hung
425867d175 logger: clean up doc 2020-05-14 10:38:31 -07:00
Eddie Hung
02df0198b6 abc9_ops: -prep_hier to create unmap module that removes Q's (* init *) 2020-05-14 10:33:57 -07:00
Eddie Hung
13f9d65b6f abc9: preserve $_DFF_?_.Q's (* init *); rely on clean to remove it 2020-05-14 10:33:57 -07:00
Eddie Hung
fa31e84112 Fix broken test when ignoring abc9_flop with init == 1'b1 2020-05-14 10:33:57 -07:00
Eddie Hung
97a0a04314 abc9_ops/xaiger: further reducing Module::derive() calls by ... 
replacing _all_ (* abc9_box *) instantiations with their derived types
 2020-05-14 10:33:57 -07:00
Eddie Hung
e79127fceb Cleanup; reduce Module::derive() calls 2020-05-14 10:33:57 -07:00
Eddie Hung
cea614f5ae ecp5: latches_map.v if *not* -asyncprld 2020-05-14 10:33:57 -07:00
Eddie Hung
fdc340db8e ecp5: synth_ecp5 to no longer need +/ecp5/abc9_{,un}map.v 2020-05-14 10:33:57 -07:00
Eddie Hung
39759d5f0e ecp5: fix rebase mistake 2020-05-14 10:33:57 -07:00
Eddie Hung
8d34aee3d5 abc9: update to =_$abc9_flops pattern which includes whiteboxes 2020-05-14 10:33:57 -07:00
Eddie Hung
f652a9c11c abc9_ops: update docs 2020-05-14 10:33:57 -07:00