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* ice40_wrapcarry -unwrap to preserve 'src' attributeEddie Hung2019-12-091-1/+9
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* -unwrap to create $lut not SB_LUT4 for opt_lutEddie Hung2019-12-091-7/+5
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* Sensitive to direct inst of $__ICE40_CARRY_WRAPPER; recreate SB_LUT4Eddie Hung2019-12-091-7/+11
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* ice40_wrapcarry to really preserve attributes via -unwrap optionEddie Hung2019-12-091-17/+55
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* Drop keep=0 attributes on SB_CARRYEddie Hung2019-12-061-0/+8
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* Merge SB_CARRY+SB_LUT4's attributes when creating $__ICE40_CARRY_WRAPPEREddie Hung2019-12-051-0/+1
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* ice40_wrapcarry to preserve SB_CARRY's attributesEddie Hung2019-12-031-0/+2
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* Check for either sign or zero extension for postAdd packingEddie Hung2019-11-261-3/+3
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* Fix #1462, #1480.Marcin Kościelnicki2019-11-192-9/+11
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* Makefile: don't assume python is called `python3`Sean Cross2019-10-191-2/+2
| | | | | | | | | | | | | | | | On some architectures, notably on Windows, the official name for the Python binary from python.org is `python`. The build system assumes that python is called `python3`, which breaks under this architecture. There is already infrastructure in place to determine the name of the Python binary when building PYOSYS. Since Python is now always required to build Yosys, enable this check universally which sets the `PYTHON_EXECUTABLE` variable. Then, reuse this variable in other Makefiles as necessary, rather than hardcoding `python3` everywhere. Signed-off-by: Sean Cross <sean@xobs.io>
* Fix dffmux peepopt init handlingClifford Wolf2019-10-162-27/+113
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Move GENERATE_PATTERN macro to separate utility headerClifford Wolf2019-10-163-128/+157
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Disable left-over log_debug in peepopt_dffmux.pmgClifford Wolf2019-10-161-1/+1
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Merge pull request #1432 from YosysHQ/eddie/fix1427Eddie Hung2019-10-081-47/+81
|\ | | | | Refactor peepopt_dffmux and be sensitive to \init when trimming
| * Fix broken CI, check reset even for constants, trim rstmuxEddie Hung2019-10-021-23/+26
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| * Refactor peepopt_dffmux and be sensitive to \init when trimmingEddie Hung2019-10-021-32/+63
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* | Merge pull request #1438 from YosysHQ/eddie/xilinx_dsp_commentsEddie Hung2019-10-084-68/+356
|\ \ | | | | | | Add notes and comments for xilinx_dsp
| * | Missed thisEddie Hung2019-10-051-3/+4
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| * | Add comment on why we have to match for clock-enable/reset muxesEddie Hung2019-10-053-3/+11
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| * | Add note on pattern detectorEddie Hung2019-10-051-3/+7
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| * | Add comments for xilinx_dsp_cascadeEddie Hung2019-10-041-12/+100
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| * | Improve comments for xilinx_dsp_CREGEddie Hung2019-10-041-6/+7
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| * | Fix commentEddie Hung2019-10-041-1/+1
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| * | Restore optimisation for sigM.empty()Eddie Hung2019-10-041-1/+4
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| * | Retry on fixing TODOsEddie Hung2019-10-042-13/+1
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| * | Revert "Fix TODOs"Eddie Hung2019-10-042-0/+20
| | | | | | | | | | | | This reverts commit 8674a6c68d563908014d16671567459499c6dc99.
| * | More comments, cleanupEddie Hung2019-10-042-41/+108
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| * | Fix TODOsEddie Hung2019-10-042-20/+0
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| * | ConsistencyEddie Hung2019-10-041-3/+3
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| * | Add comments for xilinx_dspEddie Hung2019-10-043-6/+134
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* | | Merge pull request #1439 from YosysHQ/eddie/fix_ice40_wrapcarryClifford Wolf2019-10-061-0/+4
|\ \ \ | | | | | | | | Missing 'accept' at end of ice40_wrapcarry, spotted by @cliffordwolf
| * | | Missing 'accept' at end of ice40_wrapcarry, spotted by @cliffordwolfEddie Hung2019-10-051-0/+4
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* | | Update README.mdClifford Wolf2019-10-051-1/+1
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* | | Merge pull request #1436 from YosysHQ/mmicko/msvc_fixMiodrag Milanović2019-10-051-0/+1
|\ \ \ | |/ / |/| | Fixes for MSVC build
| * | Fixes for MSVC buildMiodrag Milanovic2019-10-041-0/+1
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* / Fix xilinx_dsp for unsigned extensionsEddie Hung2019-10-041-1/+3
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* Ooops AREG and BREG to default to -1Eddie Hung2019-09-271-2/+2
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* Update doc with max cascade chain of 20Eddie Hung2019-09-261-2/+4
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* Do not always zero out C (e.g. during cascade breaks)Eddie Hung2019-09-262-7/+3
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* Update docEddie Hung2019-09-261-1/+2
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* Zero out portsEddie Hung2019-09-261-2/+2
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* xilinx_dsp_cascade to also cascade AREG and BREGEddie Hung2019-09-262-454/+172
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* Try recursive pmgen for P cascadeEddie Hung2019-09-261-88/+118
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* CREG to check for \keepEddie Hung2019-09-261-0/+3
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* Remove newlineEddie Hung2019-09-261-1/+0
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* Do not die if DSP48E1.P has no users (would otherwise get 'clean'-ed)Eddie Hung2019-09-251-1/+5
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* Reject if (* init *) presentEddie Hung2019-09-252-0/+6
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* Rework xilinx_dsp postAdd for new wreduce callEddie Hung2019-09-251-3/+3
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* Fix memory issue since SigSpec& could be invalidatedEddie Hung2019-09-251-6/+10
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* unextend only used in initEddie Hung2019-09-251-2/+1
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