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80 Commits

Author SHA1 Message Date
steve 19b8615363 Support evaluating + operator at compile time. 1999-10-10 23:29:37 +00:00
steve 70a1236626 Structural case equals device. 1999-10-10 01:59:54 +00:00
steve f949f96df1 Add non-const bit select in l-value of assignment. 1999-10-07 05:25:33 +00:00
steve 1d215998b2 Move the rvalue into NetAssign_ common code. 1999-10-06 05:06:16 +00:00
steve efa5222c66 Handle mutual reference of tasks by elaborating 
task definitions in two passes, like functions.
 1999-09-30 21:28:34 +00:00
steve c63a3acf93 Elaborate ~^ and ~| operators. 1999-09-30 02:43:01 +00:00
steve a64a33e65a Full case support 1999-09-29 18:36:02 +00:00
steve 900949ab56 Get the bit widths of unary operators that return one bit. 1999-09-28 03:11:29 +00:00
steve bb38653654 Parse system function calls. 1999-09-25 02:57:29 +00:00
steve 1a21d2fe9d Support shift operators. 1999-09-23 03:56:57 +00:00
steve 1c41f8ebd2 Move set_width methods into a single file, 
Add the NetEBLogic class for logic expressions,
 Fix error setting with of && in if statements.
 1999-09-23 00:21:54 +00:00
steve 0955058fbe Catch parallel blocks in vvm emit. 1999-09-22 16:57:23 +00:00
steve 349f9ae302 Support parameters that reference other paramters. 1999-09-21 00:13:40 +00:00
steve 3a5e55b229 Elaborate parameters in phases. 1999-09-20 02:21:10 +00:00
steve dab04c221d Detect constant lessthen-equal expressions. 1999-09-18 01:53:08 +00:00
steve 4594ac1c2c elaborate concatenation repeats. 1999-09-16 04:18:15 +00:00
steve b04148b754 Elaborate non-blocking assignment to memories. 1999-09-15 01:55:06 +00:00
steve 7a211b9136 Clarify msb/lsb in context of netlist. Properly 
handle part selects in lval and rval of expressions,
 and document where the least significant bit goes
 in NetNet objects.
 1999-09-13 03:10:59 +00:00
steve 1c238f1948 Support ternary and <= operators in vvm. 1999-09-11 04:43:17 +00:00
steve d6fbc30cd5 Allow assign to not match rvalue width. 1999-09-08 04:05:30 +00:00
steve 41a1c6bb02 elaborate the binary plus operator. 1999-09-03 04:28:38 +00:00
steve 9f7eb4a935 Handle recursive functions and arbitrary function 
references to other functions, properly pass
 function parameters and save function results.
 1999-09-01 20:46:19 +00:00
steve e69345b9fe Elaborate and emit to vvm procedural functions. 1999-08-31 22:38:29 +00:00
steve 23acca48ff elaborate some aspects of functions. 1999-08-25 22:22:41 +00:00
steve 031d91f813 Fixup spelling and some error messages. <LRDoolittle@lbl.gov> 1999-08-18 04:00:02 +00:00
steve c33b0c2262 Handle scope of parameters. 1999-08-06 04:05:28 +00:00
steve 444c83b19a set width of procedural r-values when then 
l-value is a memory word.
 1999-08-01 21:48:11 +00:00
steve 71d35f32b2 Parse and elaborate rise/fall/decay times 
for gates, and handle the rules for partial
 lists of times.
 1999-08-01 16:34:50 +00:00
steve d2f77defe6 move binary operators to derived classes. 1999-07-31 03:16:54 +00:00
steve 93a77a2efd Elaborate task input ports. 1999-07-24 02:11:19 +00:00
steve 563ec1bb81 Add support for CE input to XNF DFF, and do 
complete cleanup of replaced design nodes.
 1999-07-18 21:17:50 +00:00
steve 7d876f7735 xnfsyn generates DFF objects for XNF output, and 
properly rewrites the Design netlist in the process.
 1999-07-18 05:52:46 +00:00
steve 9754507eb0 Add the functor interface for functor transforms. 1999-07-17 22:01:13 +00:00
steve a5921ceae8 netlist support for ternary operator. 1999-07-17 19:50:59 +00:00
steve 13cd13d9d5 part select in expressions. 1999-07-17 03:08:31 +00:00
steve b155202dd2 set_width for NetESubSignal. 1999-07-16 04:33:41 +00:00
steve e58844f1be Emit vvm for user defined tasks. 1999-07-07 04:20:57 +00:00
steve 3ff6912bdd Elaborate user defined tasks. 1999-07-03 02:12:51 +00:00
steve 11b2b1740a Handle expression widths for EEE and NEE operators, 
add named blocks and scope handling,
 add registers declared in named blocks.
 1999-06-24 04:24:18 +00:00
steve 853ad247a1 Elaborate and supprort to vvm the forever 
and repeat statements.
 1999-06-19 21:06:16 +00:00
steve 740c63291a l-value part select for procedural assignments. 1999-06-13 23:51:16 +00:00
steve 0d210c90e5 More unary operators. 1999-06-13 17:30:23 +00:00
steve 6a823cde59 Unify the NetAssign constructors a bit. 1999-06-13 16:30:06 +00:00
steve 1464851e0e Add support for procedural concatenation expression. 1999-06-09 03:00:05 +00:00
steve 7605a7b1f0 Add parse and elaboration of non-blocking assignments, 
Replace list<PCase::Item*> with an svector version,
 Add integer support.
 1999-06-06 20:45:38 +00:00
steve caae00f1fd Compile time evalutation of constant expressions. 1999-06-03 05:16:25 +00:00
steve f3a91a10b3 Line information with nets. 1999-06-02 15:38:46 +00:00
steve 982cce6086 Exressions are trees that can duplicate, and not DAGS. 1999-05-30 01:11:46 +00:00
steve 5ef3970714 Handle expression bit widths with non-fatal errors. 1999-05-27 04:13:08 +00:00
steve 10ffaeda90 Redo constant expression detection to happen 
after parsing.

 Parse more operators and expressions.
 1999-05-16 05:08:42 +00:00