89d7176734
Add support for modulus (Eric Aardoom)
2000-09-17 21:26:15 +00:00
8a69c54886
elaborate complex l-values
2000-09-10 02:18:16 +00:00
49570b8cd9
encapsulate access to the l-value expected width.
2000-09-07 00:06:53 +00:00
115d24a292
Pull NetAssign_ creation out of constructors.
2000-09-02 23:40:12 +00:00
ac81f6a201
Rearrange NetAssign to make NetAssign_ separate.
2000-09-02 20:54:20 +00:00
ff32325d07
t-dll iterates signals, and passes them to the
...
target module.
Some of NetObj should return char*, not string.
2000-08-27 15:51:50 +00:00
8876cda37f
Get at gate information for ivl_target interface.
2000-08-26 00:54:03 +00:00
9abd84952b
add th t-dll functions for net_const, net_bufz and processes.
2000-08-14 04:39:56 +00:00
248baa26e1
Move all file manipulation out of target class.
2000-08-09 03:43:45 +00:00
d58533fd7b
target methods need not take a file stream.
2000-08-08 01:50:42 +00:00
e01137ced3
cleanup.
2000-08-02 14:48:15 +00:00
d677f226f3
Support <= in synthesis of DFF and ram devices.
2000-08-01 02:48:41 +00:00
0243fca8dc
Rearrange task and function elaboration so that the
...
NetTaskDef and NetFuncDef functions are created during
signal enaboration, and carry these objects in the
NetScope class instead of the extra, useless map in
the Design class.
2000-07-30 18:25:43 +00:00
3aa250b16b
Report code generation errors through proc_delay.
2000-07-29 16:21:08 +00:00
4494a7a4f3
Support elaboration of disable statements.
2000-07-27 05:13:44 +00:00
286cef19fb
Parse and elaborate timescale to scopes.
2000-07-22 22:09:03 +00:00
741b17245d
Handle some edge cases during node scans.
2000-07-16 04:56:07 +00:00
2a08824ae9
Detect muxing Vz as a bufufN.
2000-07-15 05:13:43 +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
583868e74e
Redesign Links to include the Nexus class that
...
carries properties of the connected set of links.
2000-06-25 19:59:41 +00:00
e52ada617e
Get rid of useless next_link method.
2000-06-24 22:55:19 +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
367db72c99
Add support for procedural continuous assignment.
2000-05-11 23:37:26 +00:00
b28f258463
Import MCD support from Stephen Tell, and add
...
system function parameter support to the IVL core.
2000-05-07 18:20:07 +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
fbe475ef7d
Add infrastructure for system functions, move
...
$time to that structure and add $random.
2000-05-04 03:37:58 +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
2b40c7ce11
integer division in expressions properly get width.
2000-04-28 18:43:23 +00:00
08e9a114a2
Catch memory word parameters to tasks.
2000-04-28 16:50:53 +00:00
6e8fe39cc7
Better comments about bufif devices.
2000-04-23 21:17:31 +00:00
6446add9cd
Emit code for the bufif devices.
2000-04-23 21:15:07 +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
2094a2f466
Catch some simple identity compareoptimizations.
2000-04-20 00:28:03 +00:00
74c43032b3
Clean up unneeded NetEvent objects.
2000-04-18 04:50:19 +00:00
4f07c43976
Minor cleanup of NetTaskDef.
2000-04-18 01:02:53 +00:00
726f7b8b11
Synthesis of comparator in expressions.
...
Connect the NetEvent and related classes
together better.
2000-04-16 23:32:18 +00:00
7484feceb5
fork-join support in vvm.
2000-04-15 19:51:30 +00:00
4493e968da
Finally remove the NetNEvent and NetPEvent classes,
...
Get synthesis working with the NetEvWait class,
and get started supporting multiple events in a
wait in vvm.
2000-04-12 20:02:52 +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
30e8289239
Simulate named event trigger and waits.
2000-04-04 03:20:15 +00:00
b62a7ace5c
Remove the useless sref template.
2000-04-02 04:26:06 +00:00
694ff934af
Add support for integer division.
2000-04-01 21:40:22 +00:00
d97ab9be23
New and improved combinational primitives.
2000-03-29 04:37:10 +00:00
6eef54595f
Support localparam.
2000-03-12 17:09:40 +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
e77bcf6910
Include some block matching from Larry.
2000-02-13 04:35:43 +00:00
aa8908c52f
Multiplication all the way to simulation.
2000-01-13 03:35:35 +00:00
fac3bde2c8
Elaborate parameters afer binding of overrides.
2000-01-10 01:35:23 +00:00
e6820ed169
Handle synthesis of concatenation.
2000-01-01 06:18:00 +00:00
b6d1bb1fa7
Propogate constant 0 in low bits of adders.
1999-12-30 04:19:12 +00:00
4de8ba489d
Rewrite the cprop functor to use the functor_t interface.
1999-12-17 06:18:15 +00:00
65ae92859c
NetConst can now hold wide constants.
1999-12-17 03:38:46 +00:00
d54cc14ca2
Simulate carry output on adders.
1999-12-16 02:42:14 +00:00
76655ce2bb
Allow memories without indices in expressions.
1999-12-12 06:03:14 +00:00
4a6d3a5104
Fix const/non-const errors.
1999-12-09 06:00:00 +00:00
09de918198
Generate XNF RAMS from synthesized memories.
1999-12-05 19:30:42 +00:00
3e2bb85f58
Synthesize LPM_RAM_DQ for writes into memories.
1999-12-05 02:24:08 +00:00
b30b695ff0
Redo synth to use match_proc_t scanner.
1999-12-01 06:06:16 +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
4cfa715092
Memory name lookup handles scopes.
1999-11-21 17:35:37 +00:00
a81dcd7955
Support memories in continuous assignments.
1999-11-21 00:13:08 +00:00
fae40cf380
handle duplicate connect to a nexus.
1999-11-19 05:02:37 +00:00
8b81d6e416
Detect flip-flops connected to opads and turn
...
them into OUTFF devices. Inprove support for
the XNF-LCA attribute in the process.
1999-11-19 03:02:25 +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
513ade9b95
Support combinatorial comparators.
1999-11-14 23:43:45 +00:00
1624afe1ba
Add support for the LPM_CLSHIFT device.
1999-11-14 20:24:28 +00:00
2cce0ce238
Patch to synthesize LPM_ADD_SUB from expressions,
...
Thanks to Larry Doolittle. Also handle constants
in expressions.
Synthesize adders in XNF, based on a patch from
Larry. Accept synthesis of constants from Larry
as is.
1999-11-05 04:40:40 +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
50e47c4173
Elaborate combinational UDP devices.
1999-11-04 01:12:41 +00:00
b66e7b1713
Add the synthesize method to NetExpr to handle
...
synthesis of expressions, and use that method
to improve r-value handling of LPM_FF synthesis.
Modify the XNF target to handle LPM_FF objects.
1999-11-02 04:55:34 +00:00
89881adece
Add the synth functor to do generic synthesis
...
and add the LPM_FF device to handle rows of
flip-flops.
1999-11-01 02:07:40 +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
19b8615363
Support evaluating + operator at compile time.
1999-10-10 23:29:37 +00:00
70a1236626
Structural case equals device.
1999-10-10 01:59:54 +00:00
f949f96df1
Add non-const bit select in l-value of assignment.
1999-10-07 05:25:33 +00:00
1d215998b2
Move the rvalue into NetAssign_ common code.
1999-10-06 05:06:16 +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
c63a3acf93
Elaborate ~^ and ~| operators.
1999-09-30 02:43:01 +00:00
a64a33e65a
Full case support
1999-09-29 18:36:02 +00:00
900949ab56
Get the bit widths of unary operators that return one bit.
1999-09-28 03:11:29 +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
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
0955058fbe
Catch parallel blocks in vvm emit.
1999-09-22 16:57:23 +00:00
349f9ae302
Support parameters that reference other paramters.
1999-09-21 00:13:40 +00:00
3a5e55b229
Elaborate parameters in phases.
1999-09-20 02:21:10 +00:00
dab04c221d
Detect constant lessthen-equal expressions.
1999-09-18 01:53:08 +00:00
4594ac1c2c
elaborate concatenation repeats.
1999-09-16 04:18:15 +00:00
b04148b754
Elaborate non-blocking assignment to memories.
1999-09-15 01:55:06 +00:00
steve