4494a7a4f3
Support elaboration of disable statements.
2000-07-27 05:13:44 +00:00
739365abe5
Parse disable statements to pform.
2000-07-26 05:08:07 +00:00
286cef19fb
Parse and elaborate timescale to scopes.
2000-07-22 22:09:03 +00:00
42e4ff47c8
Move inital value handling from NetNet to Nexus
...
objects. This allows better propogation of inital
values.
Clean up constant propagation a bit to account
for regs that are not really values.
2000-07-14 06:12:56 +00:00
18eb34921f
Add support for non-constant delays in delay statements,
...
Support evaluating ! in constant expressions, and
move some code from netlist.cc to net_proc.cc.
2000-07-07 04:53:53 +00:00
66ae567b25
Index in memory assign should be a NetExpr.
2000-06-13 03:24:48 +00:00
c1c0168893
Globally merge redundant event objects.
2000-05-31 02:26:49 +00:00
fd09bc3e3e
Merge similar probes within a module.
2000-05-27 19:33:23 +00:00
3676d66408
Module ports are really special PEIdent
...
expressions, because a name can be used
many places in the port list.
2000-05-16 04:05:15 +00:00
367db72c99
Add support for procedural continuous assignment.
2000-05-11 23:37:26 +00:00
e81ce68e8c
Use bufz to make assignments directional.
2000-05-08 05:28:29 +00:00
c4d8ded269
non-blocking assignment to a bit select.
2000-05-07 21:17:21 +00:00
b90cda1f3f
Carry strength values from Verilog source to the
...
pform and netlist for gates.
Change vvm constants to use the driver_t to drive
a constant value. This works better if there are
multiple drivers on a signal.
2000-05-07 04:37:55 +00:00
1db70a0c46
Move signal elaboration to a seperate pass.
2000-05-02 16:27:38 +00:00
69612ceb73
Move memories to the NetScope object.
2000-05-02 03:13:30 +00:00
8d8f1e2401
Move signal tables to the NetScope class.
2000-05-02 00:58:11 +00:00
77361fb8a0
Overly aggressive eliding of task calls.
2000-04-28 23:12:12 +00:00
3a9be680a4
Skip empty tasks.
2000-04-28 22:17:47 +00:00
08e9a114a2
Catch memory word parameters to tasks.
2000-04-28 16:50:53 +00:00
a8114ae122
Add support for the procedural release statement.
2000-04-23 03:45:24 +00:00
44838f8973
Add support for force assignment.
2000-04-22 04:20:19 +00:00
99a891b8a1
Bit padding in assignment to memory.
2000-04-21 04:38:15 +00:00
4f07c43976
Minor cleanup of NetTaskDef.
2000-04-18 01:02:53 +00:00
b1fd927acb
Named events really should be expressed with PEIdent
...
objects in the pform,
Handle named events within the mix of net events
and edges. As a unified lot they get caught together.
wait statements are broken into more complex statements
that include a conditional.
Do not generate NetPEvent or NetNEvent objects in
elaboration. NetEvent, NetEvWait and NetEvProbe
take over those functions in the netlist.
2000-04-12 04:23:57 +00:00
8dbd64121f
All events now use the NetEvent class.
2000-04-10 05:26:05 +00:00
72b3508911
Catch event declarations during scope elaborate.
2000-04-09 17:44:30 +00:00
e9b06f1022
Catch event names in parentheses.
2000-04-09 16:43:50 +00:00
30e8289239
Simulate named event trigger and waits.
2000-04-04 03:20:15 +00:00
6150be2324
detect unsupported block on named events.
2000-04-01 22:14:19 +00:00
2dd010dc04
Named events as far as the pform.
2000-04-01 19:31:57 +00:00
d97ab9be23
New and improved combinational primitives.
2000-03-29 04:37:10 +00:00
94270ff988
Fix lval part select of non-blocking assign.
2000-03-20 15:28:58 +00:00
01c5147079
Connect output of NB assign to indexed pin.
2000-03-12 21:41:47 +00:00
78ab1a7bba
Locate scopes in statements.
2000-03-11 03:25:51 +00:00
61822d48aa
Handle defparam to partial hierarchical names.
2000-03-10 06:20:48 +00:00
e7efc2709a
Redesign the implementation of scopes and parameters.
...
I now generate the scopes and notice the parameters
in a separate pass over the pform. Once the scopes
are generated, I can process overrides and evalutate
paremeters before elaboration begins.
2000-03-08 04:36:53 +00:00
b734ecf02f
Macintosh compilers do not support ident.
2000-02-23 02:56:53 +00:00
5b52c384d6
Catch module instantiation arrays.
2000-02-18 05:15:02 +00:00
bd09bed662
Mark the line numbers of NetCondit nodes.
2000-02-14 00:11:11 +00:00
ee180f6cf0
Include the scope in named gates.
2000-02-06 23:13:14 +00:00
fac3bde2c8
Elaborate parameters afer binding of overrides.
2000-01-10 01:35:23 +00:00
9125a4c451
Careful with wires connected to multiple ports.
2000-01-09 20:37:57 +00:00
2de887c2ff
Support named parameter override lists.
2000-01-09 05:50:48 +00:00
0d5e4b40d0
Structural reduction XNOR.
2000-01-02 19:39:03 +00:00
142b9e667d
Do not overrun the pin index when the LSB != 0.
2000-01-02 18:25:37 +00:00
e6820ed169
Handle synthesis of concatenation.
2000-01-01 06:18:00 +00:00
6e3c258edb
Detect duplicate scopes.
1999-12-14 23:42:16 +00:00
3e1738dcec
Fix support for attaching attributes to primitive gates.
1999-12-11 05:45:41 +00:00
3e2bb85f58
Synthesize LPM_RAM_DQ for writes into memories.
1999-12-05 02:24:08 +00:00
cdb99e7638
Elaborate net repeat concatenations.
1999-12-02 04:08:10 +00:00
e96e8c62be
NetESignal object no longer need to be NetNode
...
objects. Let them keep a pointer to NetNet objects.
1999-11-28 23:42:02 +00:00
4cfa3e4047
Support the creation of scopes.
1999-11-27 19:07:57 +00:00
26288eeeb4
Detect and list scope names.
1999-11-24 04:01:58 +00:00
85ab6d160b
Handle multiply in constant expressions.
1999-11-21 20:03:24 +00:00
4cfa715092
Memory name lookup handles scopes.
1999-11-21 17:35:37 +00:00
b4aade1e4c
Fix coding errors handling names of logic devices,
...
and add support for buf device in vvm.
1999-11-21 01:16:51 +00:00
a81dcd7955
Support memories in continuous assignments.
1999-11-21 00:13:08 +00:00
9d6392fda9
Turn NetTmp objects into normal local NetNet objects,
...
and add the nodangle functor to clean up the local
symbols generated by elaboration and other steps.
1999-11-18 03:52:19 +00:00
82f3f0f741
Create the vpiMemory handle type.
1999-11-10 02:52:24 +00:00
206b37e5de
Fix NetConst being set to zero width, and clean
...
up elaborate_set_cmp_ for NetEBinary.
1999-11-05 21:45:19 +00:00
cb5fc54b5e
Patch to synthesize unary ~ and the ternary operator.
...
Thanks to Larry Doolittle <LRDoolittle@lbl.gov>.
Add the LPM_MUX device, and integrate it with the
ternary synthesis from Larry. Replace the lpm_mux
generator in t-xnf.cc to use XNF EQU devices to
put muxs into function units.
Rewrite elaborate_net for the PETernary class to
also use the LPM_MUX device.
1999-11-04 03:53:26 +00:00
e1bbbe5614
Include subtraction in LPM_ADD_SUB device.
1999-10-31 20:08:24 +00:00
71ecf8c143
Add to netlist links pin name and instance number,
...
and arrange in vvm for pin connections by name
and instance number.
1999-10-31 04:11:27 +00:00
8ab03fa90f
Catch unindexed memory reference.
1999-10-18 00:02:21 +00:00
475dd5760a
Remove commented out do_assign.
1999-10-13 03:16:36 +00:00
70a1236626
Structural case equals device.
1999-10-10 01:59:54 +00:00
7201865554
Support parameters in continuous assignments.
1999-10-09 21:30:16 +00:00
aa11f57b57
Better message for combinational operators.
1999-10-09 19:24:04 +00:00
29abc5a69e
Support + in constant expressions.
1999-10-08 17:48:08 +00:00
5b7d783979
Accept adder parameters with different widths,
...
and simplify continuous assign construction.
1999-10-08 17:27:23 +00:00
f949f96df1
Add non-const bit select in l-value of assignment.
1999-10-07 05:25:33 +00:00
1cc68f745a
== and != connected to the wrong pins of the compare.
1999-10-06 00:39:00 +00:00
4d8c0c79d6
Add support for reduction NOR.
1999-10-05 06:19:46 +00:00
d513cf8f60
sorry message for non-constant l-value bit select.
1999-10-05 02:00:06 +00:00
efa5222c66
Handle mutual reference of tasks by elaborating
...
task definitions in two passes, like functions.
1999-09-30 21:28:34 +00:00
ed9aeec591
catch non-constant delays as unsupported.
1999-09-30 17:22:33 +00:00
c63a3acf93
Elaborate ~^ and ~| operators.
1999-09-30 02:43:01 +00:00
6e486e9bcf
Cope with errors during ternary operator elaboration.
1999-09-30 00:48:49 +00:00
db7044850a
Move code to elab_expr.cc
1999-09-29 22:57:10 +00:00
a64a33e65a
Full case support
1999-09-29 18:36:02 +00:00
0fb4ba7907
Allow expanding of additive operators.
1999-09-29 00:42:50 +00:00
bb38653654
Parse system function calls.
1999-09-25 02:57:29 +00:00
1a21d2fe9d
Support shift operators.
1999-09-23 03:56:57 +00:00
095995f09c
internal error message for funky comparison width.
1999-09-23 02:28:27 +00:00
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
59b1b4c7b9
Expand bits in delayed assignments.
1999-09-22 21:25:42 +00:00
12b9071f49
Parse and elaborate named for/join blocks.
1999-09-22 04:30:04 +00:00
da4a7ea80a
assignment with blocking event delay.
1999-09-22 02:00:48 +00:00
3a5e55b229
Elaborate parameters in phases.
1999-09-20 02:21:10 +00:00
5fde1b3e05
Match bit widths comming out of task output ports.
1999-09-18 22:23:50 +00:00
fbf104bf4d
report non-constant part select expressions.
1999-09-18 02:51:35 +00:00
dab04c221d
Detect constant lessthen-equal expressions.
1999-09-18 01:53:08 +00:00
424e6a750c
Handle unconnected module ports.
1999-09-17 02:06:25 +00:00
4594ac1c2c
elaborate concatenation repeats.
1999-09-16 04:18:15 +00:00
a890724b40
Handle implicit !=0 in if statements.
1999-09-16 00:33:45 +00:00
31bdb87c8f
separate assign lval elaboration for error checking.
1999-09-15 04:17:52 +00:00
b04148b754
Elaborate non-blocking assignment to memories.
1999-09-15 01:55:06 +00:00
39bc45ce67
implicitly declare wires if needed.
1999-09-14 01:50:52 +00:00
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
25d6912217
Pad r-values in certain assignments.
1999-09-12 01:16:51 +00:00
steve