dac11c2468
Handle synthesis of fully packed case statements.
2005-08-27 04:32:08 +00:00
b9799cf6ec
Remove NetVariable and ivl_variable_t structures.
2005-07-11 16:56:50 +00:00
75ad90534b
Generalize signals to carry types.
2005-07-07 16:22:49 +00:00
739a1839ed
Do sign extension of structuran nets.
2005-05-24 01:44:27 +00:00
7796c8bcfb
Parameters cannot have their width changed.
2005-05-17 20:56:55 +00:00
a1d899112a
Include delay expressions for assignments in dump.
2005-05-07 03:13:30 +00:00
1c5b4881d7
Handle case inequality in netlists.
2005-03-09 05:52:03 +00:00
ee5bb5fcaf
Add the NetRepeat node, and code generator support.
2005-02-08 00:12:36 +00:00
97f83ffbe3
laborate reduction gates into LPM_RED_ nodes.
2005-02-03 04:56:20 +00:00
dfb7c7ba6f
Remove the NetEBitSel and combine all bit/part select
...
behavior into the NetESelect node and IVL_EX_SELECT
ivl_target expression type.
2005-01-24 05:28:30 +00:00
25de448d34
Remove obsolete NetSubnet class.
2005-01-22 18:16:00 +00:00
9e94afe399
Use PartSelect/PV and VP to handle part selects through ports.
2005-01-09 20:16:00 +00:00
8f2d679c8a
Unify elaboration of l-values for all proceedural assignments,
...
including assing, cassign and force.
Generate NetConcat devices for gate outputs that feed into a
vector results. Use this to hande gate arrays. Also let gate
arrays handle vectors of gates when the outputs allow for it.
2004-12-29 23:55:43 +00:00
65e9b6be12
Rework of internals to carry vectors through nexus instead
...
of single bits. Make the ivl, tgt-vvp and vvp initial changes
down this path.
2004-12-11 02:31:25 +00:00
e4ae832153
Clean up spurious trailing white space.
2004-10-04 01:10:51 +00:00
5472b27e1f
Rewire/generalize parsing an elaboration of
...
function return values to allow for better
speed and more type support.
2004-05-31 23:34:36 +00:00
1295058e5d
parameter keys are per_strings.
2004-02-20 06:22:56 +00:00
27af95d402
Use perm_strings for named langiage items.
2004-02-18 17:11:54 +00:00
57c3e86084
Debug dumps for synth2.
2003-12-17 16:52:39 +00:00
bfe31e22bf
Start handling pad of expressions in code generators.
2003-07-26 03:34:42 +00:00
77da147629
Fix some enumeration warnings.
2003-07-05 20:42:08 +00:00
ccf4d4d7da
Module attributes from the parser
...
through to elaborated form.
2003-06-20 00:53:19 +00:00
71a404a546
Add arithmetic shift operators.
2003-06-18 03:55:18 +00:00
5903f0744c
Support parameters in real expressions and
...
as real expressions, and fix multiply and
divide with real results.
2003-05-30 02:55:32 +00:00
f1cc9d865b
Support event names as expressions elements.
2003-04-22 04:48:29 +00:00
1222153cdf
Keep parameter constants for the ivl_target API.
2003-03-10 23:40:53 +00:00
8f0c02c0fa
Spelling fixes.
2003-01-27 05:09:17 +00:00
46253ed873
Rework expression parsing and elaboration to
...
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
9ce2806710
Fix synth2 handling of aset/aclr signals where
...
flip-flops are split by begin-end blocks.
2002-10-23 01:45:24 +00:00
43501809b1
Redo the parameter vector support to allow
...
parameter names in range expressions.
2002-10-19 22:59:49 +00:00
8ab2ec6f86
Allow release to handle removal of target net.
2002-08-19 00:06:11 +00:00
d4eaede435
Do not elide named blocks.
2002-08-13 05:35:00 +00:00
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
89314d4772
Do not use hierarchical names of memories to
...
generate vvp labels. -tdll target does not
used hierarchical name string to look up the
memory objects in the design.
2002-08-04 18:28:14 +00:00
cd94019733
Remove NetTmp and add NetSubnet class.
2002-06-19 04:20:03 +00:00
a82c178fd9
Fix expression width for repeat concatenations.
2002-06-14 21:38:41 +00:00
9cef973d9b
Add NetRamDq synthsesis from memory l-values.
2002-06-08 23:42:46 +00:00
53d8cdd9f8
Add support for memory words in l-value of
...
non-blocking assignments, and remove the special
NetAssignMem_ and NetAssignMemNB classes.
2002-06-05 03:44:25 +00:00
91a755d0e8
Add support for memory words in l-value of
...
blocking assignments, and remove the special
NetAssignMem class.
2002-06-04 05:38:43 +00:00
bfad382fd1
Carry Verilog 2001 attributes with processes,
...
all the way through to the ivl_target API.
Divide signal reference counts between rval
and lval references.
2002-05-26 01:39:02 +00:00
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
b7c2bd4f72
Add the NetUserFunc netlist node.
2002-03-09 02:10:22 +00:00
e20acfc9f9
Include s indicator in dump of signed numbers.
2001-12-31 00:02:33 +00:00
ab6c8cb4b8
Parser and pform use hierarchical names as hname_t
...
objects instead of encoded strings.
2001-12-03 04:47:14 +00:00
659624c71f
Print typename is fallback expression node dump.
2001-11-19 01:46:38 +00:00
d350620315
Support multiple root modules (Philip Blundell)
2001-10-19 21:53:24 +00:00
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
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
629a02cccf
Fix binding of dangling function ports. do not elide them.
2001-07-27 02:41:55 +00:00
b825f8d2b2
Create a config.h.in file to hold all the config
...
junk, and support gcc 3.0. (Stephan Boettcher)
2001-07-25 03:10:48 +00:00
a52b34cb64
Add pullup and pulldown devices.
2001-04-29 20:19:10 +00:00
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00
78355b6038
Check that the port really exists here.
2001-02-17 05:13:36 +00:00
145ac49233
NetMux needs a scope. (PR#115)
2001-01-18 03:16:35 +00:00
02fc59fbdf
Parse parameters within nested scopes.
2001-01-13 22:20:08 +00:00
8ae4e25720
Detect recursive instantiations (PR#2)
2000-12-16 01:45:47 +00:00
5dbea64759
Add support for signed reg variables,
...
simulate in t-vvm signed comparisons.
2000-12-11 00:31:43 +00:00
9ddd0491f7
Support delays on continuous assignment from idents. (PR#40)
2000-12-10 06:41:59 +00:00
4f638882c9
Add Attrib class for holding NetObj attributes.
2000-12-04 17:37:03 +00:00
28bc621f11
change set for support of nmos, pmos, rnmos, rpmos, notif0, and notif1
...
change set to correct behavior of bufif0 and bufif1
(Tim Leight)
Also includes fix for PR#27
2000-11-11 01:52:09 +00:00
a8da692540
Add support for the t-dll backend grabing flip-flops.
2000-11-11 00:03:36 +00:00
61ad0b23c8
Apply sequential UDP rework from Stephan Boettcher (PR#39)
2000-11-04 06:36:24 +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
8b581cef46
Remove the obsolete NetEIdent class.
2000-09-26 01:35:42 +00:00
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
ac81f6a201
Rearrange NetAssign to make NetAssign_ separate.
2000-09-02 20:54:20 +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
39c71ef68a
fix problem coalescing events w/ probes.
2000-07-29 03:55:38 +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
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
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
acfb5c177d
Over agressive signal elimination in constant probadation.
2000-04-28 21:00:28 +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
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
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
65ae92859c
NetConst can now hold wide constants.
1999-12-17 03:38:46 +00:00
steve