b3a5a0e5ab
Generate vvp code for GT and GE comparisons.
2001-06-15 04:14:18 +00:00
f480943649
Support structural addition.
2001-06-07 02:12:43 +00:00
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00
0550287658
Generate vvp code for functions with ports.
2001-04-06 02:28:02 +00:00
f40d006c26
Generate code for task calls.
2001-04-02 02:28:12 +00:00
7d7beeecc1
Binary operators with operands of indefinite width
...
has itself an indefinite width.
2001-02-10 21:20:38 +00:00
d78c7392c2
Remove dead code.
2001-02-08 01:10:30 +00:00
2fbc0af1ea
Fix expression widths for rvalues and parameters (PR#131,132)
2001-02-07 21:47:13 +00:00
145ac49233
NetMux needs a scope. (PR#115)
2001-01-18 03:16:35 +00:00
cc18d065aa
declaration initialization for time variables.
2001-01-06 06:31:58 +00:00
68e672e61a
Support arrays of integers.
2001-01-06 02:29:35 +00:00
5dbea64759
Add support for signed reg variables,
...
simulate in t-vvm signed comparisons.
2000-12-11 00:31:43 +00:00
3b9a60414e
Make signal attributes available to ivl_target API.
2000-12-05 06:29:33 +00:00
4f638882c9
Add Attrib class for holding NetObj attributes.
2000-12-04 17:37:03 +00:00
a5c69b50e5
Do not delete synthesized signals used in expressions.
2000-11-29 23:16:18 +00:00
ea921efced
synthesis for unary reduction ! and N operators.
2000-11-29 05:24:00 +00:00
f4443a7dfa
Add support for supply nets (PR#17)
2000-11-20 00:58:40 +00:00
a8da692540
Add support for the t-dll backend grabing flip-flops.
2000-11-11 00:03:36 +00:00
3591e06c4e
Support time variables.
2000-10-31 17:49:02 +00:00
ad4931e813
Add scope to threads in vvm, pass that scope
...
to vpi sysTaskFunc objects, and add vpi calls
to access that information.
$display displays scope in %m (PR#1)
2000-10-28 00:51:41 +00:00
76e2c509d7
Put logic devices into scopes.
2000-10-07 19:45:42 +00:00
6f69773c57
ivl_target updates, including more complete
...
handling of ivl_nexus_t objects. Much reduced
dependencies on pointers to netlist objects.
2000-10-06 23:46:50 +00:00
41f3ba65a1
xor and constant devices.
2000-10-05 05:03:01 +00:00
79b1c51e68
Detect indefinite widths where definite widths are required.
2000-09-26 05:05:58 +00:00
8b581cef46
Remove the obsolete NetEIdent class.
2000-09-26 01:35:42 +00:00
2be1c115ff
Move some NetNet method out of the header file.
2000-09-24 15:44:44 +00:00
48ff3590bc
Access to the name of a system task call.
2000-09-22 03:58:30 +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
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
413d852012
NetEParam supports dup_expr.
2000-06-12 03:57:10 +00:00
fd09bc3e3e
Merge similar probes within a module.
2000-05-27 19:33:23 +00:00
d9eed14972
Accept different widths for add operands.
2000-05-19 01:43:16 +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
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
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
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
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
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
b6d1bb1fa7
Propogate constant 0 in low bits of adders.
1999-12-30 04:19:12 +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
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
22d89c5984
Update case comparison (Eric Aardoom).
1999-12-02 16:58:58 +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
48b6726cf4
gate outputs need to set signal values.
1999-11-28 01:16:18 +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
7324673bd1
Fix expression width of memory references.
1999-11-21 18:03:35 +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
2602505885
Support the LPM_MUX in vvm.
1999-11-13 03:46:52 +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
a7f48c86e2
Relaxed width handling for <= assignment.
1999-10-05 04:02:10 +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
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
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
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
a890724b40
Handle implicit !=0 in if statements.
1999-09-16 00:33:45 +00:00
b04148b754
Elaborate non-blocking assignment to memories.
1999-09-15 01:55:06 +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
1c238f1948
Support ternary and <= operators in vvm.
1999-09-11 04:43:17 +00:00
d6fbc30cd5
Allow assign to not match rvalue width.
1999-09-08 04:05:30 +00:00
555d447180
Generate fake adder code in vvm.
1999-09-04 01:57:15 +00:00
41a1c6bb02
elaborate the binary plus operator.
1999-09-03 04:28:38 +00:00
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
e69345b9fe
Elaborate and emit to vvm procedural functions.
1999-08-31 22:38:29 +00:00
23acca48ff
elaborate some aspects of functions.
1999-08-25 22:22:41 +00:00
c33b0c2262
Handle scope of parameters.
1999-08-06 04:05:28 +00:00
444c83b19a
set width of procedural r-values when then
...
l-value is a memory word.
1999-08-01 21:48:11 +00:00
e0a988bf7e
Add functions up to elaboration (Ed Carter)
1999-07-31 19:14:47 +00:00
d2f77defe6
move binary operators to derived classes.
1999-07-31 03:16:54 +00:00
93a77a2efd
Elaborate task input ports.
1999-07-24 02:11:19 +00:00
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
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
a5921ceae8
netlist support for ternary operator.
1999-07-17 19:50:59 +00:00
772f38ca1e
Better handling of bit width of + operators.
1999-07-17 18:06:02 +00:00
13cd13d9d5
part select in expressions.
1999-07-17 03:08:31 +00:00
b155202dd2
set_width for NetESubSignal.
1999-07-16 04:33:41 +00:00
3ff6912bdd
Elaborate user defined tasks.
1999-07-03 02:12:51 +00:00
484485e299
Properly terminate signal matching scan.
1999-06-24 05:02:36 +00:00
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
853ad247a1
Elaborate and supprort to vvm the forever
...
and repeat statements.
1999-06-19 21:06:16 +00:00
740c63291a
l-value part select for procedural assignments.
1999-06-13 23:51:16 +00:00
6a823cde59
Unify the NetAssign constructors a bit.
1999-06-13 16:30:06 +00:00
6c03b2ab65
Handle a few more operator bit widths.
1999-06-10 05:33:28 +00:00
1464851e0e
Add support for procedural concatenation expression.
1999-06-09 03:00:05 +00:00
4932dc7c5e
Support non-blocking assignment down to vvm.
1999-06-07 02:23:31 +00:00
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
caae00f1fd
Compile time evalutation of constant expressions.
1999-06-03 05:16:25 +00:00
f3a91a10b3
Line information with nets.
1999-06-02 15:38:46 +00:00
982cce6086
Exressions are trees that can duplicate, and not DAGS.
1999-05-30 01:11:46 +00:00
5ef3970714
Handle expression bit widths with non-fatal errors.
1999-05-27 04:13:08 +00:00
f653760559
Line number info with match error message.
1999-05-20 05:07:37 +00:00
10ffaeda90
Redo constant expression detection to happen
...
after parsing.
Parse more operators and expressions.
1999-05-16 05:08:42 +00:00
c677afd8e3
More precise handling of verinum bit lengths.
1999-05-13 04:02:09 +00:00
295306aad5
emit NetAssignMem objects in vvm target.
1999-05-12 04:03:19 +00:00
5de9b7c9f1
Parse and elaborate the concatenate operator
...
in structural contexts, Replace vector<PExpr*>
and list<PExpr*> with svector<PExpr*>, evaluate
constant expressions with parameters, handle
memories as lvalues.
Parse task declarations, integer types.
1999-05-10 00:16:57 +00:00
41f9a84a4b
Handle much more complex event expressions.
1999-05-01 02:57:52 +00:00
09cfbc6240
Core handles subsignal expressions.
1999-04-25 00:44:10 +00:00
5895d3c98d
Add memories to the parse and elaboration phases.
1999-04-19 01:59:36 +00:00
b7f833dd71
Support more operators, especially logical.
1999-03-15 02:43:32 +00:00
13a6f05463
Prevent the duplicate allocation of ESignal objects.
1999-03-01 03:27:53 +00:00
e2a37a8ccd
Add support for module parameters.
1999-02-21 17:01:57 +00:00
30a3953c85
Turn the NetESignal into a NetNode so
...
that it can connect to the netlist.
Implement the case statement.
Convince t-vvm to output code for
the case statement.
1999-02-08 02:49:56 +00:00
8bdd381cdf
Parse and elaborate the Verilog CASE statement.
1999-02-03 04:20:11 +00:00
2c1df3e6f7
Parse more UDP input edge descriptions.
1998-12-18 05:16:25 +00:00
4e2c0036aa
VVM support for small sequential UDP objects.
1998-12-17 23:54:58 +00:00
steve