Commit Graph

410 Commits

Author SHA1 Message Date
steve fc0695beb6 Handle 64bit delay constants. 2006-08-08 05:11:37 +00:00
steve 49b65e86fe Add support for power in constant expressions. 2006-07-31 03:50:17 +00:00
steve 80f30be9d0 Add support for system functions in continuous assignments. 2006-06-18 04:15:50 +00:00
steve f001d0001a Add support for generate loops w/ wires and gates. 2006-04-10 00:37:42 +00:00
steve 5b3ba8c306 Properly handle signedness in compare. 2006-03-18 22:52:27 +00:00
steve d434dd7296 Allow part selects of memory words in l-values. 2006-02-02 02:43:57 +00:00
steve 58f182a159 Node delays can be more general expressions in structural contexts. 2006-01-02 05:33:19 +00:00
steve 908955c72c Handle bit select of parameter with ranges. 2005-11-27 05:56:20 +00:00
steve 0e044d6684 More precise about r-value width of constants. 2005-11-26 00:35:42 +00:00
steve be73be8c98 Spelling patches from Larry. 2005-09-19 21:45:35 +00:00
steve 9fd16575d9 Support bool expressions and compares handle them optimally. 2005-09-14 02:53:13 +00:00
steve c39976fbf1 Generate code to handle real valued muxes. 2005-09-01 04:11:37 +00:00
steve b69f59f2ec Handle memory references is continuous assignments. 2005-08-31 05:07:31 +00:00
steve a8d49921ee gcc4 compile errors. 2005-07-14 23:34:18 +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 7796c8bcfb Parameters cannot have their width changed. 2005-05-17 20:56:55 +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 53da6e9a33 Add support for LPM_UFUNC user defined functions. 2005-03-18 02:56:03 +00:00
steve ab1ca54df2 Update support for LPM_MOD. 2005-03-12 06:43:35 +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 e6cdd32c19 Clarify width argument to NetNet constructor. 2005-01-30 01:43:48 +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 4d139b58aa Properly pad vector widths in pgassign. 2005-01-12 03:17:36 +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 526b87cae3 Remove inaccurate comment. 2004-10-04 00:25:18 +00:00
steve 9de786fc44 Add support for module instance arrays. 2004-09-05 17:44:41 +00:00
steve 62cffe16f4 PR1026: assignment statements can have sensitivities in the l-values. 2004-09-04 04:24:15 +00:00
steve f02f5be3cc Fix use of system tasks in AT_STAR statements. 2004-08-28 16:23:05 +00:00
steve d76ad25778 Do not change reg to wire in NetAssign_ unless synthesizing. 2004-08-28 15:08:31 +00:00
steve efe05a77cb nex_output for NetPDelay statements. 2004-06-30 15:32:18 +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 89acc41437 LPM, logic and Variables have perm_string names. 2004-02-19 07:06:57 +00:00
steve 536068bdfb Memory and Event names use perm_string. 2004-02-19 06:57:10 +00:00
steve 27af95d402 Use perm_strings for named langiage items. 2004-02-18 17:11:54 +00:00
steve 57c3e86084 Debug dumps for synth2. 2003-12-17 16:52:39 +00:00
steve 43f28b53a3 Design::get_flag returns const char* instead of string. 2003-11-10 20:59:03 +00:00
steve bc0ead2842 Spelling fixes in comments. 2003-11-08 20:06:21 +00:00
steve 7fd669fcc0 NetEUReduce has its own dup_expr method. 2003-10-31 02:47:11 +00:00
steve edaa7df6d2 Output of While is output of while substatement. 2003-10-26 04:51:38 +00:00
steve 1f0c274e82 Obsolete find_symbol and find_event from the Design class. 2003-09-20 01:05:35 +00:00
steve 693794552c Remove find_memory method from Design class. 2003-09-19 03:50:12 +00:00
steve da7956a797 Fix name search in elab_lval. 2003-09-19 03:30:04 +00:00
steve 178847fc53 Spelling fixes. 2003-09-13 01:01:51 +00:00
steve 7c1401a2ba Spelling patch. 2003-08-28 04:11:17 +00:00
steve e561819179 Add synthesis support for synchronous reset. 2003-08-15 02:23:52 +00:00
steve a95463ff81 Add support for IVL_LPM_MULT device. 2003-08-09 03:23:03 +00:00
steve bfe31e22bf Start handling pad of expressions in code generators. 2003-07-26 03:34:42 +00:00
steve cadf4cfdef Spelling fixes. 2003-07-15 03:49:22 +00:00
steve 004ecd08dd Elide empty begin-end in conditionals. 2003-07-02 04:19:16 +00:00
steve 61195c5daa Harmless fixup of warnings. 2003-06-21 01:21:42 +00:00
steve ccf4d4d7da Module attributes from the parser
through to elaborated form.
2003-06-20 00:53:19 +00:00
steve 71a404a546 Add arithmetic shift operators. 2003-06-18 03:55:18 +00:00
steve 8352c91b0a Evaluate <= with real operands. 2003-06-05 04:28:24 +00:00
steve 5903f0744c Support parameters in real expressions and
as real expressions, and fix multiply and
 divide with real results.
2003-05-30 02:55:32 +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 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 2c129dfbfa Synthesize shift expressions. 2003-04-08 04:33:55 +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 6d94f2ea55 Better organize the NetESFunc return type guesses. 2003-03-15 04:46:28 +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 486274cfa1 Scope names stored only as basename. 2003-03-03 02:22:41 +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 f8d1e15a27 NetEBDiv handles real value constant expressions. 2003-02-07 02:47:57 +00:00
steve 589422b505 Real constants have no defined vector width 2003-02-06 17:50:23 +00:00
steve e941e7e805 Spelling fixes. 2003-01-30 16:23:07 +00:00
steve 04ada23119 Support in various contexts the $realtime
system task.
2003-01-27 00:14:37 +00:00
steve 46253ed873 Rework expression parsing and elaboration to
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
steve e62e1d89b6 Named event triggers can take hierarchical names. 2002-12-07 02:49:24 +00:00
steve 9f80ed32b6 Support bit select in constant expressions. 2002-12-05 02:14:33 +00:00
steve aa8869a3c7 Postpone parameter width check to evaluation. 2002-11-09 01:40:19 +00:00
steve 86032c0aa5 Allow named events to be referenced by
hierarchical names.
2002-11-02 03:27:51 +00:00
steve 9ce2806710 Fix synth2 handling of aset/aclr signals where
flip-flops are split by begin-end blocks.
2002-10-23 01:45:24 +00:00
steve 3d4593d4d5 Synthesizer support for synchronous begin-end blocks. 2002-10-21 01:42:08 +00:00
steve 43501809b1 Redo the parameter vector support to allow
parameter names in range expressions.
2002-10-19 22:59:49 +00:00
steve 166621bcb3 Generate vvp code for asynch set/reset of NetFF. 2002-09-26 03:18:04 +00:00
steve 879a5a4cbe Synthesize async set/reset is certain cases. 2002-09-26 01:13:14 +00:00
steve eb81062d85 Add to synth2 support for synthesis of
synchronous logic. This includes DFF enables
 modeled by if/then/else.
2002-09-16 00:30:33 +00:00
steve dac99b9374 Add support for binary nand operator. 2002-09-12 15:49:43 +00:00