Merge pull request #998 from mdaiter/get_bool_attribute_opts

Minor optimization to get_attribute_bool

Minor optimization to get_attribute_bool

Add test case from #997

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Fix handling of partial init attributes in write_verilog, fixes #997

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #996 from mdaiter/ceil_log2_opts

Optimize ceil_log2 function

Optimize ceil_log2 function

Add "synth_xilinx -arch"

Signed-off-by: Clifford Wolf <clifford@clifford.at>

More opt_clean cleanups

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #946 from YosysHQ/clifford/specify

Add specify parser

Merge pull request #975 from YosysHQ/clifford/fix968

Re-enable "final loop assignment" feature and fix opt_clean warnings

Merge pull request #871 from YosysHQ/verific_import

Improve verific -chparam and add hierarchy -chparam

Add tests/various/chparam.sh

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge branch 'master' of github.com:YosysHQ/yosys into clifford/fix968

Fix the other bison warning in ilang_parser.y

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Bugfix in peepopt_shiftmul.pmg

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #992 from bwidawsk/bison-fix

verilog_parser: Fix Bison warning

Merge pull request #989 from YosysHQ/dave/abc_name_improve

ABC name recovery fixes

Fix bug in "expose -input"

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Cleanups in opt_clean

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Improve tests/various/specify.ys

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add "real" keyword to ilang format

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge branch 'master' of github.com:YosysHQ/yosys into clifford/specify

verilog_parser: Fix Bison warning

As of Bison 2.6, name-prefix is deprecated. This fixes
frontends/verilog/verilog_parser.y:99.1-34: warning: deprecated directive, use ‘%define api.prefix {frontend_verilog_yy}’ [-Wdeprecated]
 %name-prefix "frontend_verilog_yy"

For details: https://www.gnu.org/software/bison/manual/html_node/Multiple-Parsers.html

Compile tested only.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>

Merge pull request #988 from YosysHQ/clifford/fix987

Add approximate support for SV "var" keyword

abc: Fix handling of postfixed names (e.g. for retiming)

Signed-off-by: David Shah <dave@ds0.me>

abc: Improve name recovery

Signed-off-by: David Shah <dave@ds0.me>

Improve opt_clean handling of unused wires

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add support for SVA "final" keyword

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Improve write_verilog specify support

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Update README

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add approximate support for SV "var" keyword, fixes #987

Signed-off-by: Clifford Wolf <clifford@clifford.at>

More testing

Fix spacing

Add quick-and-dirty specify tests

Merge remote-tracking branch 'origin/master' into clifford/specify

Rename cells_map.v to prevent clash with ff_map.v

iverilog with simcells.v as well

Add "hierarchy -chparam" support for non-verific top modules

Signed-off-by: Clifford Wolf <clifford@clifford.at>

log_warning_noprefix -> log_warning as per review

For hier_tree::Elaborate() also include SV root modules (bind)

Fix verific_parameters construction, use attribute to mark top netlists

WIP -chparam support for hierarchy when verific

verific_import() changes to avoid ElaborateAll()

Merge pull request #969 from YosysHQ/clifford/pmgenstuff

Improve pmgen, Add "peepopt" pass with shift-mul pattern

Merge pull request #984 from YosysHQ/eddie/fix_982

dffinit to do nothing when (* init *) value is 1'bx

Revert "synth_xilinx to call dffinit with -noreinit"

This reverts commit 1f62dc9081feb4852b1848d01951f631853edb38.

If init is 1'bx, do not add to dict as per @cliffordwolf

Revert "dffinit -noreinit to silently continue when init value is 1'bx"

This reverts commit aa081f83c791b1d666214776aaf744a80ce6a690.

Merge pull request #976 from YosysHQ/clifford/fix974

Fix width detection of memory access with bit slice

Merge pull request #985 from YosysHQ/clifford/fix981

Improve opt_expr and opt_clean handling of (partially) undriven and/or unused wires

Fix typo in tests/svinterfaces/runone.sh

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #979 from jakobwenzel/svinterfacesTestcase

fail svinterfaces testcases on yosys error exit

Improve opt_expr and opt_clean handling of (partially) undriven and/or unused wires, fixes #981

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Further improve unused-detection for opt_clean driver-driver conflict warning

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Improve unused-detection for opt_clean driver-driver conflict warning

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Update pmgen documentation

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Fix typo

Signed-off-by: Clifford Wolf <clifford@clifford.at>

synth_xilinx to call dffinit with -noreinit

dffinit -noreinit to silently continue when init value is 1'bx

fail svinterfaces testcases on yosys error exit

Merge pull request #963 from YosysHQ/eddie/synth_xilinx_fine

Revert synth_xilinx 'fine' label more to how it used to be...

Merge pull request #978 from ucb-bar/fmtfirrtl

Re-indent firrtl.cc:struct memory - no functional change.

Back to passing all xc7srl tests!

Merge remote-tracking branch 'origin/master' into eddie/synth_xilinx_fine

Merge branch 'master' of github.com:YosysHQ/yosys

Re-indent firrtl.cc:struct memory - no functional change.

Merge branch 'clifford/fix883'

Add missing enable_undef to "sat -tempinduct-def", fixes #883

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #977 from ucb-bar/fixfirrtlmem

Fix #938 - Crash occurs in case when use write_firrtl command

Fix #938 - Crash occurs in case when use write_firrtl command
Add missing memory initialization.
Sanity-check memory parameters.
Add Cell pointer to memory object (for error reporting).

Fix floating point exception in qwp, fixes #923

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add splitcmplxassign test case and silence splitcmplxassign warning

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Fix width detection of memory access with bit slice, fixes #974

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add additional test cases for for-loops

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Silently resolve completely unused cell-vs-const driver-driver conflicts

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Re-enable "final loop assignment" feature

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Fix segfault in wreduce

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Disabled "final loop assignment" feature

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #972 from YosysHQ/clifford/fix968

Add final loop variable assignment when unrolling for-loops

Merge pull request #966 from YosysHQ/clifford/fix956

Drive dangling wires with init attr with their init value

Merge pull request #962 from YosysHQ/eddie/refactor_synth_xilinx

Refactor synth_xilinx to auto-generate doc

Merge branch 'master' into eddie/refactor_synth_xilinx

Merge pull request #973 from christian-krieg/feature/python_bindings

Feature/python bindings cleanup

Include filename in "Executing Verilog-2005 frontend" message, fixes #959

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Fix performance bug in RTLIL::SigSpec::operator==(), fixes #970

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add final loop variable assignment when unrolling for-loops, fixes #968

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add handling of init attributes in "opt_expr -undriven"

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge branch 'master' of https://github.com/YosysHQ/yosys into feature/python_bindings

Cleaned up root directory

Add peepopt_muldiv, fixes #930

Signed-off-by: Clifford Wolf <clifford@clifford.at>

pmgen progress

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Run "peepopt" in generic "synth" pass and "synth_ice40"

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Some pmgen reorg, rename peepopt.pmg to peepopt_shiftmul.pmg

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Progress in shiftmul peepopt pattern

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Merge pull request #960 from YosysHQ/eddie/equiv_opt_undef

Add -undef option to equiv_opt, passed to equiv_induct

Merge pull request #967 from olegendo/depfile_esc_spaces

escape spaces with backslash when writing dep file

Add "peepopt" skeleton

Signed-off-by: Clifford Wolf <clifford@clifford.at>

Add pmgen support for multiple patterns in one matcher

Signed-off-by: Clifford Wolf <clifford@clifford.at>

fix codestyle formatting

Support multiple pmg files (right now just concatenated together)

Signed-off-by: Clifford Wolf <clifford@clifford.at>