Commit Graph

236 Commits

Author SHA1 Message Date
steve 8667b9a35d Put off evaluation of concatenation repeat expresions
until after parameters are defined. This allows parms
 to be used in repeat expresions.

 Add the builtin $signed system function.
2002-05-05 21:11:49 +00:00
steve 5882c6a481 Redo handling of assignment internal delays.
Leave it possible for them to be calculated
 at run time.
2002-04-21 22:31:02 +00:00
steve 9dda15a186 implement nex_input for behavioral statements. 2002-04-21 17:43:12 +00:00
steve b094bbdcf4 Add support for conbinational events by finding
the inputs to expressions and some statements.
 Get case and assignment statements working.
2002-04-21 04:59:07 +00:00
steve b7c2bd4f72 Add the NetUserFunc netlist node. 2002-03-09 02:10:22 +00:00
steve 364ffc9024 Add support for bit select of parameters.
This leads to a NetESelect node and the
 vvp code generator to support that.
2002-01-28 00:52:41 +00:00
steve 349be0f169 Precalculate constant results of memory index expressions. 2002-01-22 01:40:04 +00:00
steve 608555ce7e Pass back target errors processing conditionals. 2002-01-19 19:02:08 +00:00
steve 51db00fb44 Support $signed cast of expressions. 2001-12-31 00:08:14 +00:00
steve ab6c8cb4b8 Parser and pform use hierarchical names as hname_t
objects instead of encoded strings.
2001-12-03 04:47:14 +00:00
steve e85347bf8b Handle part selects in l-values of DFF devices. 2001-11-29 01:58:18 +00:00
steve f28f5e01e5 Unary reduction operators are all 1-bit results. 2001-11-19 04:26:46 +00:00
steve 08f0f5a1f7 DLL target support for force and release. 2001-11-14 03:28:49 +00:00
steve 0c7335a77d Spelling errors. 2001-11-09 03:43:26 +00:00
steve 7793a49854 Remove string paths from PExpr elaboration. 2001-11-08 05:15:50 +00:00
steve 1ff36dc892 shift expressions can have definite widths. 2001-11-06 04:32:37 +00:00
steve 75e78e86d3 ivl_target support for assign/deassign. 2001-10-31 05:24:52 +00:00
steve 874bab10e4 NetObj constructor finally requires a scope. 2001-10-28 01:14:53 +00:00
steve 7a149a6943 Scope/module names are char* instead of string. 2001-10-20 05:21:51 +00:00
steve d350620315 Support multiple root modules (Philip Blundell) 2001-10-19 21:53:24 +00:00
steve 177fa4062b Support IVL_LPM_DIVIDE for structural divide. 2001-10-16 02:19:26 +00:00
steve 494b5ff1ee parameter names do not have defined size. 2001-10-07 03:38:08 +00:00
steve e35ed6e91c Change the NetAssign_ class to refer to the signal
instead of link into the netlist. This is faster
 and uses less space. Make the NetAssignNB carry
 the delays instead of the NetAssign_ lval objects.

 Change the vvp code generator to support multiple
 l-values, i.e. concatenations of part selects.
2001-08-25 23:50:02 +00:00
steve becc7cb56a Handle part select expressions as variants of
NetESignal/IVL_EX_SIGNAL objects, instead of
 creating new and useless temporary signals.
2001-07-27 04:51:44 +00:00
steve ce589da58a Support the NetESubSignal expressions in vvp.tgt. 2001-07-22 00:17:49 +00:00
steve bcaa122fb9 handle left shifter in dll output. 2001-07-04 22:59:25 +00:00
steve 79b740284a Make NetFF constructor take const char* for the name. 2001-07-01 00:27:34 +00:00
steve 4b82d26f5e Add support for structural multiply in t-dll.
Add code generators and vvp support for both
 structural and behavioral multiply.
2001-06-16 23:45:05 +00:00
steve b3a5a0e5ab Generate vvp code for GT and GE comparisons. 2001-06-15 04:14:18 +00:00
steve f480943649 Support structural addition. 2001-06-07 02:12:43 +00:00
steve 914ad85e63 Add ivl and vvp.tgt support for memories in
expressions and l-values. (Stephan Boettcher)
2001-05-08 23:59:33 +00:00
steve a52b34cb64 Add pullup and pulldown devices. 2001-04-29 20:19:10 +00:00
steve 8dfa322b8b Support for UDP devices in VVP (Stephen Boettcher) 2001-04-24 02:23:58 +00:00
steve 66cf3ec8fa More UDP consolidation from Stephan Boettcher. 2001-04-22 23:09:45 +00:00
steve 0550287658 Generate vvp code for functions with ports. 2001-04-06 02:28:02 +00:00
steve f40d006c26 Generate code for task calls. 2001-04-02 02:28:12 +00:00
steve ad8565f8a6 Add const probe method to NetEvent. 2001-03-29 02:52:01 +00:00
steve 2b0aaec8ab FreeBSD port has a maintainer now. 2001-02-15 06:59:35 +00:00
steve 7d7beeecc1 Binary operators with operands of indefinite width
has itself an indefinite width.
2001-02-10 21:20:38 +00:00
steve f5d0211864 In the context of range declarations, use elab_and_eval instead
of the less robust eval_const methods.
2001-02-10 20:29:39 +00:00
steve 7ef3b44ab1 support evaluation of constant < in expressions. 2001-02-09 05:44:23 +00:00
steve 145ac49233 NetMux needs a scope. (PR#115) 2001-01-18 03:16:35 +00:00
steve 65020bc6de Use the iosfwd header if available. 2001-01-16 02:44:17 +00:00
steve cc18d065aa declaration initialization for time variables. 2001-01-06 06:31:58 +00:00
steve 68e672e61a Support arrays of integers. 2001-01-06 02:29:35 +00:00
steve 8bfae1e641 Evaluate constant === and !== expressions. 2001-01-04 16:49:50 +00:00
steve 120a211e68 Support a bunch of unary operators in parameter expressions. 2001-01-02 04:21:13 +00:00
steve b6a18098c7 Evaluate constant &, | and unary ~. 2001-01-02 03:23:40 +00:00
steve f4671a3082 Evaluate <= and ?: in parameter expressions (PR#81) 2000-12-16 19:03:30 +00:00
steve 8ae4e25720 Detect recursive instantiations (PR#2) 2000-12-16 01:45:47 +00:00