Commit Graph

254 Commits

Author SHA1 Message Date
steve 1f54f128c1 Handle unary minus of real valued expressions. 2007-02-20 05:58:36 +00:00
steve 45307f6144 Handle type of ternary expressions properly. 2007-02-14 05:59:46 +00:00
steve 4d8164945e Fix missing passive setting for array word pins. 2007-01-19 04:25:37 +00:00
steve 91d84e7dc7 Major rework of array handling. Memories are replaced with the
more general concept of arrays. The NetMemory and NetEMemory
 classes are removed from the ivl core program, and the IVL_LPM_RAM
 lpm type is removed from the ivl_target API.
2007-01-16 05:44:14 +00:00
steve 34b5a31ff4 Add test_width methods for PETernary and PEString. 2006-11-10 04:54:26 +00:00
steve 0edb5a7547 Basic support for specify timing. 2006-09-23 04:57:19 +00:00
steve 9fd16575d9 Support bool expressions and compares handle them optimally. 2005-09-14 02:53:13 +00:00
steve 4a8be3db9c Implement bi-directional part selects. 2005-08-06 17:58:16 +00:00
steve b9799cf6ec Remove NetVariable and ivl_variable_t structures. 2005-07-11 16:56:50 +00:00
steve 75ad90534b Generalize signals to carry types. 2005-07-07 16:22:49 +00:00
steve 739a1839ed Do sign extension of structuran nets. 2005-05-24 01:44:27 +00:00
steve 7dd0d255a6 Add support for variable part select. 2005-05-08 23:40:14 +00:00
steve 365cfedd55 Update DFF support to new data flow. 2005-04-24 23:44:01 +00:00
steve 800e2c6a17 All memory addresses are signed. 2005-04-08 04:51:16 +00:00
steve 65c7ec00e7 Rework NetRamDq and IVL_LPM_RAM nodes. 2005-04-06 05:29:08 +00:00
steve 1c5b4881d7 Handle case inequality in netlists. 2005-03-09 05:52:03 +00:00
steve 257e1f9516 Support shifts and divide. 2005-02-19 02:43:38 +00:00
steve d74177634c Restructure NetMux devices to pass vectors.
Generate NetMux devices from ternary expressions,
 Reduce NetMux devices to bufif when appropriate.
2005-02-12 06:25:40 +00:00
steve ee5bb5fcaf Add the NetRepeat node, and code generator support. 2005-02-08 00:12:36 +00:00
steve 97f83ffbe3 laborate reduction gates into LPM_RED_ nodes. 2005-02-03 04:56:20 +00:00
steve 99ace10774 Simplified NetMult and IVL_LPM_MULT. 2005-01-28 05:39:33 +00:00
steve dfb7c7ba6f Remove the NetEBitSel and combine all bit/part select
behavior into the NetESelect node and IVL_EX_SELECT
 ivl_target expression type.
2005-01-24 05:28:30 +00:00
steve 25de448d34 Remove obsolete NetSubnet class. 2005-01-22 18:16:00 +00:00
steve e28636776a Change case compare from logic to an LPM node. 2005-01-22 01:06:55 +00:00
steve bf6a5d0f50 Implement LPM_COMPARE nodes as two-input vector functors. 2005-01-16 04:20:32 +00:00
steve 9e94afe399 Use PartSelect/PV and VP to handle part selects through ports. 2005-01-09 20:16:00 +00:00
steve 8f2d679c8a Unify elaboration of l-values for all proceedural assignments,
including assing, cassign and force.

 Generate NetConcat devices for gate outputs that feed into a
 vector results. Use this to hande gate arrays. Also let gate
 arrays handle vectors of gates when the outputs allow for it.
2004-12-29 23:55:43 +00:00
steve 65e9b6be12 Rework of internals to carry vectors through nexus instead
of single bits. Make the ivl, tgt-vvp and vvp initial changes
 down this path.
2004-12-11 02:31:25 +00:00
steve e4ae832153 Clean up spurious trailing white space. 2004-10-04 01:10:51 +00:00
steve 3dbc07f34d Implement signed divide and signed right shift in nets. 2004-06-30 02:16:26 +00:00
steve 9949040285 Add support for the default_nettype directive. 2004-06-13 04:56:53 +00:00
steve 5472b27e1f Rewire/generalize parsing an elaboration of
function return values to allow for better
 speed and more type support.
2004-05-31 23:34:36 +00:00
steve 1295058e5d parameter keys are per_strings. 2004-02-20 06:22:56 +00:00
steve 27af95d402 Use perm_strings for named langiage items. 2004-02-18 17:11:54 +00:00
steve f58b124101 Fix return value warnings. 2003-11-10 19:44:30 +00:00
steve c26df174a1 Oops, missing pin_Sset implementation. 2003-09-03 23:32:10 +00:00
steve e561819179 Add synthesis support for synchronous reset. 2003-08-15 02:23:52 +00:00
steve 77da147629 Fix some enumeration warnings. 2003-07-05 20:42:08 +00:00
steve 71a404a546 Add arithmetic shift operators. 2003-06-18 03:55:18 +00:00
steve 76295ac873 More complete bit range internal error message,
Better test of part select ranges on non-zero
 signal ranges.
2003-05-01 01:13:57 +00:00
steve d88d876501 Better guess of defualt ternary width. 2003-04-27 16:33:16 +00:00
steve cdbf21a92d NetSubsignal inherits port type from source. 2003-04-24 05:26:25 +00:00
steve f1cc9d865b Support event names as expressions elements. 2003-04-22 04:48:29 +00:00
steve 5d1d99a89f Handle signed magnitude compare all the
way through to the vvp code generator.
2003-04-11 05:18:08 +00:00
steve d18934d444 Sign extend NetMult inputs if result is signed. 2003-03-29 05:51:25 +00:00
steve c602d94cef Comparison operators do have defined width. 2003-03-15 18:08:43 +00:00
steve 1222153cdf Keep parameter constants for the ivl_target API. 2003-03-10 23:40:53 +00:00
steve badad63ab4 All NetObj objects have lex_string base names. 2003-03-06 00:28:41 +00:00
steve 4c67de5ca7 Add the lex_strings string handler, and put
scope names and system task/function names
 into this table. Also, permallocate event
 names from the beginning.
2003-03-01 06:25:30 +00:00
steve 04ada23119 Support in various contexts the $realtime
system task.
2003-01-27 00:14:37 +00:00