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240 Commits

Author SHA1 Message Date
Clifford Wolf 82bbd2f077 Use undef (x/z vs. NaN) rules for real values from IEEE Std 1800-2012 2014-06-16 15:05:37 +02:00
Clifford Wolf 5bfe865cec Added found_real feature to AstNode::detectSignWidth 2014-06-16 15:00:57 +02:00
Clifford Wolf 4d1df128fa Improved AstNode::realAsConst for large numbers 2014-06-15 09:27:09 +02:00
Clifford Wolf 48dc6ab98d Improved AstNode::asReal for large integers 2014-06-15 08:38:31 +02:00
Clifford Wolf 149fe83a8d improved (fixed) conversion of real values to bit vectors 2014-06-14 21:00:51 +02:00
Clifford Wolf d5765b5e14 Fixed relational operators for const real expressions 2014-06-14 19:33:58 +02:00
Clifford Wolf f3b4a9dd24 Added support for math functions 2014-06-14 13:36:23 +02:00
Clifford Wolf 9bd7d5c468 Added handling of real-valued parameters/localparams 2014-06-14 12:00:47 +02:00
Clifford Wolf fc7b6d172a Implemented more real arithmetic 2014-06-14 11:27:05 +02:00
Clifford Wolf 442a8e2875 Implemented basic real arithmetic 2014-06-14 08:51:22 +02:00
Clifford Wolf 9dd16fa41c Added real->int convertion in ast genrtlil 2014-06-14 07:44:19 +02:00
Clifford Wolf 7ef0da32cd Added Verilog lexer and parser support for real values 2014-06-13 11:29:23 +02:00
Clifford Wolf e275e8eef9 Add support for cell arrays 2014-06-07 11:48:50 +02:00
Clifford Wolf 0b1ce63a19 Added support for repeat stmt in const functions 2014-06-07 10:47:53 +02:00
Clifford Wolf 7c8a7b2131 further improved const function support 2014-06-07 00:02:05 +02:00
Clifford Wolf 76da2fe172 improved const function support 2014-06-06 22:55:02 +02:00
Clifford Wolf 5c10d2ee36 fix functions with no block (but single statement, loop, etc.) 2014-06-06 21:29:23 +02:00
Clifford Wolf ab54ce17c8 improved ast simplify of const functions 2014-06-06 17:40:45 +02:00
Clifford Wolf b5cd7a0179 added while and repeat support to verilog parser 2014-06-06 17:40:04 +02:00
Clifford Wolf 09805ee9ec Include id2ast pointers when dumping AST 2014-03-05 19:56:31 +01:00
Clifford Wolf d6a01fe412 Fixed merging of compatible wire decls in AST frontend 2014-03-05 19:55:58 +01:00
Clifford Wolf de7bd12004 Bugfix in recursive AST simplification 2014-03-05 19:45:33 +01:00
Clifford Wolf ae5032af84 Fixed bit-extending in $mux argument (use $bu0 instead of $pos) 2014-02-26 21:32:19 +01:00
Clifford Wolf 6bc94b7eb2 Don't blow up constants unneccessarily in Verilog frontend 2014-02-24 12:41:25 +01:00
Clifford Wolf f8c9143b2b Fixed bug in generation of undefs for $memwr MUXes 2014-02-22 17:08:00 +01:00
Clifford Wolf 4bd25edcd4 Cleanups in handling of read_verilog -defer and -icells 2014-02-20 19:12:32 +01:00
Clifford Wolf 02e6f2c5be Added Verilog support for "`default_nettype none" 2014-02-17 14:28:52 +01:00
Clifford Wolf 7ac524e8e8 Improved support for constant functions 2014-02-16 13:16:38 +01:00
Clifford Wolf 5e39e6ece2 Correctly convert constants to RTLIL (fixed undef handling) 2014-02-15 15:42:10 +01:00
Clifford Wolf 45d2b6ffce Be more conservative with new const-function code 2014-02-14 20:45:30 +01:00
Clifford Wolf e8af3def7f Added support for FOR loops in function calls in parameters 2014-02-14 20:33:22 +01:00
Clifford Wolf 534c1a5dd0 Created basic support for function calls in parameter values 2014-02-14 19:56:44 +01:00
Clifford Wolf cd9e8741a7 Implemented read_verilog -defer 2014-02-13 13:59:13 +01:00
Clifford Wolf f4f230d7cc Fixed gcc compiler warnings with release build 2014-02-06 22:49:14 +01:00
Clifford Wolf d267bcde4e Fixed bug in sequential sat proofs and improved handling of asserts 2014-02-04 12:46:16 +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 d06258f74f Added constant size expression support of sized constants 2014-02-01 13:50:23 +01:00
Clifford Wolf 4df7e03ec9 Bugfix in name resolution with generate blocks 2014-01-30 15:01:28 +01:00
Clifford Wolf 375c4dddc1 Added read_verilog -icells option 2014-01-29 00:59:28 +01:00
Clifford Wolf 88fbdd4916 Fixed algorithmic complexity of AST simplification of long expressions 2014-01-20 20:25:20 +01:00
Clifford Wolf 1e67099b77 Added $assert cell 2014-01-19 14:03:40 +01:00
Clifford Wolf 9a1eb45c75 Added Verilog parser support for asserts 2014-01-19 04:18:22 +01:00
Clifford Wolf a3d94bf888 Fixed typo in frontends/ast/simplify.cc 2014-01-12 21:04:42 +01:00
Clifford Wolf fb2bf934dc Added correct handling of $memwr priority 2014-01-03 00:22:17 +01:00
Clifford Wolf 364f277afb Fixed a stupid access after delete bug 2013-12-29 20:18:22 +01:00
Clifford Wolf 369bf81a70 Added support for non-const === and !== (for miter circuits) 2013-12-27 14:20:15 +01:00
Clifford Wolf ecc30255ba Added proper === and !== support in constant expressions 2013-12-27 13:50:08 +01:00
Clifford Wolf 891e4b5b0d Keep strings as strings in const ternary and concat 2013-12-05 13:26:17 +01:00
Clifford Wolf e935bb6eda Added const folding support for $signed and $unsigned 2013-12-05 13:09:41 +01:00
Clifford Wolf 5c39948ead Added AstNode::mkconst_str API 2013-12-05 12:53:49 +01:00
Clifford Wolf 853538d78b Fixed generate-for (and disabled double warning for auto-wire) 2013-12-04 21:33:00 +01:00
Clifford Wolf 3c220e0b32 Added support for $clog2 system function 2013-12-04 21:19:54 +01:00
Clifford Wolf 4a4a3fc337 Various improvements in support for generate statements 2013-12-04 21:06:54 +01:00
Clifford Wolf f4b46ed31e Replaced signed_parameters API with CONST_FLAG_SIGNED 2013-12-04 14:24:44 +01:00
Clifford Wolf 93a70959f3 Replaced RTLIL::Const::str with generic decoder method 2013-12-04 14:14:05 +01:00
Clifford Wolf 507c63d112 Added support for local regs in named blocks 2013-12-04 09:10:16 +01:00
Clifford Wolf 10aa08dca1 Fixed temp net name generation in rtlil process generator for abbreviated name matching 2013-11-28 21:47:08 +01:00
Clifford Wolf 0e52f3fa01 Added "src" attribute to processes 2013-11-28 17:37:50 +01:00
Clifford Wolf 8dafecd34d Added module->avail_parameters (for advanced techmap features) 2013-11-24 20:29:07 +01:00
Clifford Wolf 7d9a90396d Added verilog frontend -ignore_redef option 2013-11-24 19:57:42 +01:00
Clifford Wolf 019b301541 Early wire/reg/parameter width calculation in ast/simplify 2013-11-24 19:40:23 +01:00
Clifford Wolf f71e27dbf1 Remove auto_wire framework (smarter than the verilog standard) 2013-11-24 17:29:11 +01:00
Clifford Wolf 609caa23b5 Implemented correct handling of signed module parameters 2013-11-24 17:17:21 +01:00
Clifford Wolf 295e352ba6 Renamed "placeholder" to "blackbox" 2013-11-22 15:01:12 +01:00
Clifford Wolf 95c94a02fc Fixed async proc detection in mem2reg 2013-11-21 21:26:56 +01:00
Clifford Wolf 09471846c5 Major improvements in mem2reg and added "init" sync rules 2013-11-21 13:49:00 +01:00
Clifford Wolf 65ad556f3d Another name resolution bugfix for generate blocks 2013-11-20 13:57:40 +01:00
Clifford Wolf c4c299eb5a Do not allow memory bit select on the left side of an assignment 2013-11-20 12:18:46 +01:00
Clifford Wolf ac2be2d892 Fixed name resolution of local tasks and functions in generate block 2013-11-20 11:05:58 +01:00
Clifford Wolf 19dba2561e Implemented part/bit select on memory read 2013-11-20 10:51:32 +01:00
Clifford Wolf 4f2edcf2f9 Fixed two bugs in mem2reg functionality in AST frontend 2013-11-18 19:55:12 +01:00
Clifford Wolf 79910a5547 Added dumping of attributes in AST frontend 2013-11-18 19:54:36 +01:00
Clifford Wolf 2a25e3bca3 Fixed parsing of default cases when not last case 2013-11-18 16:10:50 +01:00
Clifford Wolf de03184150 Fixed mem2reg for reg usage outside always block 2013-11-18 12:35:41 +01:00
Clifford Wolf e5b974fa2a Cleanups and bugfixes in response to new internal cell checker 2013-11-11 00:39:45 +01:00
Clifford Wolf 378cc509cd Call internal checker more often 2013-11-10 23:24:21 +01:00
Clifford Wolf 259cc1391e More undef-propagation related fixes 2013-11-08 11:40:36 +01:00
Clifford Wolf 9f49d538e1 Fixed handling of different signedness in power operands 2013-11-08 11:06:11 +01:00
Clifford Wolf 4abc8e695a Implemented const folding of ternary op with undef select 2013-11-08 04:44:09 +01:00
Clifford Wolf fc6dc0d7b8 Fixed handling of power operator 2013-11-07 22:20:00 +01:00
Clifford Wolf d7cb62ac96 Fixed more extend vs. extend_u0 issues 2013-11-07 19:20:20 +01:00
Clifford Wolf 02f4f89fdb Disabled const folding of ternary op when select is undef 2013-11-07 18:18:16 +01:00
Clifford Wolf 947bd9b96b Renamed extend_un0() to extend_u0() and use it in genrtlil 2013-11-07 18:17:10 +01:00
Clifford Wolf ed4bcd52e5 Fixed sign handling in constants 2013-11-07 14:53:10 +01:00
Clifford Wolf 83a8b8b5ca Fixed const folding in corner cases with parameters 2013-11-07 14:08:53 +01:00
Clifford Wolf b52bf379b9 Fixed width detection for replicate operator 2013-11-07 12:43:04 +01:00
Clifford Wolf 536621a98b Fixed at_zero evaluation of dynamic ranges 2013-11-07 11:25:19 +01:00
Clifford Wolf f050c40519 Various fixes for correct parameter support 2013-11-07 10:02:11 +01:00
Clifford Wolf 160adccca2 Fixed the fix for propagation of width hints for $signed() and $unsigned() 2013-11-07 03:01:28 +01:00
Clifford Wolf 7fe13faefa Fixed propagation of width hints for $signed() and $unsigned() 2013-11-06 22:41:21 +01:00
Clifford Wolf baeca48a24 Additional fixes for undef propagation in concat and replicate ops 2013-11-06 21:16:54 +01:00
Clifford Wolf 6fcbc79b5c Improved width extension with regard to undef propagation 2013-11-06 21:05:11 +01:00
Clifford Wolf f2786df146 Another fix for early width and sign detection in ast simplifier 2013-11-04 21:29:36 +01:00
Clifford Wolf d38c67f53d Fixed const folding of ternary operator 2013-11-04 16:46:14 +01:00
Clifford Wolf 8d226da694 Use proper bit width ans sign extension for const folding 2013-11-04 15:37:09 +01:00
Clifford Wolf 1325514d33 Fixes for early width and sign detection in ast simplifier 2013-11-04 08:28:13 +01:00
Clifford Wolf 472117d532 further improved early width and sign detection in ast simplifier 2013-11-04 06:04:42 +01:00
Clifford Wolf d2b083f5cb Fixed detectSignWidthWorker (ast frontend) for AST_CONCAT 2013-11-03 18:56:45 +01:00
Clifford Wolf ada80545fa Behavior should be identical now to rev. 0b4a64ac6a (next: testing before constfold fixes) 2013-11-02 21:13:01 +01:00
Clifford Wolf 943329c1dc Various ast changes for early expression width detection (prep for constfold fixes) 2013-11-02 13:00:17 +01:00
Clifford Wolf 23cf23418c Fixed handling of boolean attributes (frontends) 2013-10-24 11:20:13 +02:00
Johann Glaser 6c4cbc03c2 Added support for notif0/notif1 primitives 2013-08-20 11:23:59 +02:00
Clifford Wolf 0003743432 Fixed width and sign detection for ** operator 2013-08-19 20:58:01 +02:00
Clifford Wolf 8656b1c08f Added support for bufif0/bufif1 primitives 2013-08-19 19:50:04 +02:00
Clifford Wolf 4214561890 Improved ast dumping (ast/verilog frontend) 2013-08-19 19:49:14 +02:00
Clifford Wolf 759852914d Added support for "2**n" shifter encoding 2013-08-12 14:47:50 +02:00
Clifford Wolf c8763301b4 Added $div and $mod technology mapping 2013-08-09 17:09:24 +02:00
Clifford Wolf 0f38008ed3 Added "design" command (-reset, -save, -load) 2013-07-27 14:27:51 +02:00
Clifford Wolf 3650fd7fbe More fixes in ternary op sign handling 2013-07-12 13:13:04 +02:00
Clifford Wolf ded769c98c Fixed sign handling in ternary operator 2013-07-12 01:15:37 +02:00
Clifford Wolf b380c8c790 Another vloghammer related bugfix 2013-07-11 19:24:59 +02:00
Clifford Wolf ed62fcdbe2 Fixed sign propagation in bit-wise operators 2013-07-09 23:53:55 +02:00
Clifford Wolf 5dab327b30 More fixes in ast expression sign/width handling 2013-07-09 23:41:43 +02:00
Clifford Wolf 00a6c1d9a5 Major redesign of expr width/sign detecion (verilog/ast frontend) 2013-07-09 14:31:57 +02:00
Clifford Wolf e8da3ea7b6 Fixed another bug found using vloghammer 2013-07-07 16:49:30 +02:00
Clifford Wolf eff68560a2 Fixed AST_CONSTANT node generation 2013-07-07 15:40:26 +02:00
Clifford Wolf 56432a920f Added defparam support to Verilog/AST frontend 2013-07-04 14:12:33 +02:00
Clifford Wolf 0c6ffc4c65 More fixes for bugs found using xsthammer 2013-06-13 11:18:45 +02:00
Clifford Wolf a5c30183b5 Sign-extension related fixes in SatGen and AST frontend 2013-06-10 17:10:06 +02:00
Clifford Wolf 59dd02baa2 Fixes and improvements in AST const folding 2013-06-10 13:56:03 +02:00
Clifford Wolf db98a18edb Enabled AST/Verilog front-end optimizations per default 2013-06-10 13:19:04 +02:00
Clifford Wolf ed0e2f7a6f Added log_assert() api 2013-05-24 14:38:36 +02:00
Clifford Wolf c5ee2b306a Merge branch 'bugfix' 2013-05-16 16:44:45 +02:00
Clifford Wolf 6cc8e848b6 Fixed synthesis of functions in latched blocks 2013-05-16 16:44:06 +02:00
Clifford Wolf 8f2d90de4f Fixed handling of positional module parameters 2013-04-26 14:40:25 +02:00
Clifford Wolf 453a29c9f6 Only use sha1 checksums for names of parametric modules when the verbose form is to long 2013-04-26 13:13:58 +02:00
Clifford Wolf e0c408cb4a Fixed a bug in AST frontend for cases with non-blocking assigned variables as case values 2013-04-13 21:19:10 +02:00
Clifford Wolf f1a2fd966f Now only use value from "initial" when no matching "always" block is found 2013-03-31 11:51:12 +02:00
Clifford Wolf 161565be10 Added AST_INITIAL (before verilog "initial" was mapped to AST_ALWAYS) 2013-03-31 11:19:11 +02:00
Clifford Wolf 7bfc7b61a8 Implemented proper handling of stub placeholder modules 2013-03-28 09:20:10 +01:00
Clifford Wolf 7a99349de4 Improvements and bugfixes for generate blocks with local signals 2013-03-26 11:31:34 +01:00
Clifford Wolf 6a382f2aba Fixed handling of unconditional generate blocks 2013-03-26 09:44:54 +01:00
Clifford Wolf 227520f94d Added nosync attribute and some async reset related fixes 2013-03-25 17:13:14 +01:00
Clifford Wolf df9753d398 Added mem2reg option to verilog frontend 2013-03-24 11:13:32 +01:00
Clifford Wolf 3a5244e913 Another fix in mem2reg ast simplify logic 2013-03-24 10:42:08 +01:00
Clifford Wolf bb3357c027 Improved mem2reg handling in ast simplifier 2013-03-24 09:27:01 +01:00
Clifford Wolf e45d1c8865 Tiny fixes to verilog parser 2013-03-23 18:54:31 +01:00
Clifford Wolf a321a5c412 Moved stand-alone libs to libs/ directory and added libs/subcircuit 2013-02-27 09:32:19 +01:00
Clifford Wolf 4f0c2862a0 Added support for verilog genblock[index].member syntax 2013-02-26 13:18:22 +01:00
Clifford Wolf 7764d0ba1d initial import 2013-01-05 11:13:26 +01:00