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91 Commits

Author SHA1 Message Date
Clifford Wolf a92a68ce52 Using "via_celltype" in $mul carry-save-acc implementation 2014-08-18 14:30:20 +02:00
Clifford Wolf 6f33fc3e87 Performance fix for new $__lcu techmap rule 2014-08-18 00:27:54 +02:00
Clifford Wolf 4b3834e0cc Replaced recursive lcu scheme with bk adder 2014-08-18 00:03:33 +02:00
Clifford Wolf 976bda7102 Multiply using a carry-save accumulator 2014-08-16 21:07:29 +02:00
Clifford Wolf 47c2637a96 Added additional gate types: $_NAND_ $_NOR_ $_XNOR_ $_AOI3_ $_OAI3_ $_AOI4_ $_OAI4_ 2014-08-16 18:29:39 +02:00
Clifford Wolf 1ddf150c35 Changes in techmap $__alu interface 2014-08-16 16:01:58 +02:00
Clifford Wolf b64b38eea2 Renamed $lut ports to follow A-Y naming scheme 2014-08-15 14:18:40 +02:00
Clifford Wolf f092b50148 Renamed $_INV_ cell type to $_NOT_ 2014-08-15 14:11:40 +02:00
Clifford Wolf 5602cbde9f Simplified $__arraymul techmap rule 2014-08-14 20:53:21 +02:00
Clifford Wolf 13f2f36884 RIP $safe_pmux 2014-08-14 11:39:46 +02:00
Clifford Wolf 7e758d5fbb Added techmap support for actual lookahead carry unit 2014-08-13 18:40:57 +02:00
Clifford Wolf 9a065509ac Preparations for lookahead ALU support in techmap.v 2014-08-13 16:36:30 +02:00
Clifford Wolf c27120fcbc New interface for $__alu in techmap.v 2014-08-13 13:04:28 +02:00
Clifford Wolf 312ee00c9e Added adff2dff.v (for techmap -share_map) 2014-08-07 16:14:38 +02:00
Clifford Wolf 014a41fcf3 Implemented recursive techmap 2014-08-03 12:40:43 +02:00
Clifford Wolf 1202f7aa4b Renamed "stdcells.v" to "techmap.v" 2014-07-31 02:32:00 +02:00
Clifford Wolf 41555cde10 Reorganized stdcells.v (no actual code change, just moved and indented stuff) 2014-07-31 02:21:06 +02:00
Clifford Wolf 2541489105 Added techmap CONSTMAP feature 2014-07-30 22:04:30 +02:00
Clifford Wolf 6c05badc43 New techmap default rules for $shr $sshr $shl $sshl 2014-07-30 18:49:12 +02:00
Clifford Wolf 2145e57ef0 Bugfix in simlib.v for iverilog 2014-07-29 19:23:31 +02:00
Clifford Wolf 397b00252d Added $shift and $shiftx cell types (needed for correct part select behavior) 2014-07-29 16:35:13 +02:00
Clifford Wolf b17d6531c8 Added "make PRETTY=1" 2014-07-24 17:15:01 +02:00
Clifford Wolf f1ca93a0a3 Fixed simlib.v model for $mem 2014-07-17 16:48:36 +02:00
Clifford Wolf dcdd5c11b4 Updated simlib to new $mem/$memwr interface 2014-07-16 11:46:40 +02:00
Clifford Wolf 7370ae01e9 Added SIMLIB_NOLUT to simlib.v 2014-04-02 21:28:33 +02:00
Clifford Wolf e24797add0 Added SIMLIB_NOSR to simlib.v 2014-04-02 21:06:55 +02:00
Clifford Wolf d4a1b0af5b Added support for dlatchsr cells 2014-03-31 14:14:40 +02:00
Clifford Wolf 7aa2d746b7 Merged addition of SED makefile variable from github.com/Siesh1oo/yosys 
(see https://github.com/cliffordwolf/yosys/pull/28)
 2014-03-11 14:42:58 +01:00
Clifford Wolf 973507d85b Fixes for improved techmap of shifts with large B inputs 2014-03-06 13:33:12 +01:00
Clifford Wolf 8406e7f7b6 Strictly zero-extend unsigned A-inputs of shift operations in techmap 2014-03-06 12:15:44 +01:00
Clifford Wolf d7f29bb23f Improved techmap of shift with wide B inputs 2014-03-06 12:14:20 +01:00
Clifford Wolf fc3b3c4ec3 Added $slice and $concat cell types 2014-02-07 17:44:57 +01:00
Clifford Wolf a6750b3753 Added TRANSPARENT parameter to $memrd (and RD_TRANSPARENT to $mem) 2014-02-03 13:01:45 +01:00
Clifford Wolf ed8ad99960 More changes to techlibs/common/simlib.v for LEC 2014-01-31 11:21:29 +01:00
Clifford Wolf 6a7d7e847d Added test comments to techlibs/cmos/cmos_cells.lib 2014-01-29 10:51:02 +01:00
Clifford Wolf a86f33653d Major rewrite of techlibs/common/simlib.v for LEC (cadance conformal) 2014-01-29 00:36:03 +01:00
Clifford Wolf 1e67099b77 Added $assert cell 2014-01-19 14:03:40 +01:00
Clifford Wolf 3d7a1491aa Fixed $lut simlib model for a wider range of tools 2014-01-18 19:31:40 +01:00
Clifford Wolf 2fbaaaca7a More changes to simlib to make it friendlier to a wider range of tools 2014-01-18 19:13:43 +01:00
Clifford Wolf 4a9e133fab Fixed a type in $mem model in simlib.v 2014-01-18 18:54:50 +01:00
Clifford Wolf bef17eeb10 Removed cases of trailing comma in stdcells.v 2014-01-18 15:36:17 +01:00
Clifford Wolf 5b96675696 Added $bu0 cell to simlib.v 2014-01-18 15:35:15 +01:00
Clifford Wolf db9cf544b8 Added techlibs/common/pmux2mux.v 2014-01-17 20:06:15 +01:00
Clifford Wolf b3b00f1bf4 Various small cleanups in stdcells.v techmap code 2013-12-31 15:41:40 +01:00
Clifford Wolf c69c416d28 Added $bu0 cell (for easy correct $eq/$ne mapping) 2013-12-28 12:02:14 +01:00
Clifford Wolf 369bf81a70 Added support for non-const === and !== (for miter circuits) 2013-12-27 14:20:15 +01:00
Clifford Wolf 76f7c10cfc Using simplemap mappers from techmap 2013-11-24 23:31:14 +01:00
Clifford Wolf 1afe6589df Renamed stdcells_sim.v to simcells.v and fixed blackbox.v 2013-11-24 20:44:00 +01:00
Clifford Wolf 20175afd29 Added "techmap -share_map" option 2013-11-24 19:50:25 +01:00
Clifford Wolf ae798d3fd5 Fixed xilinx/example_sim_counter test bench 2013-11-24 17:55:46 +01:00