e571dd90d8
Calculate delay statement delays using elaborated
...
expressions instead of pre-elaborated expression
trees.
Remove the eval_pexpr methods from PExpr.
2003-02-08 19:49:21 +00:00
55af069fe8
Rewrite delay statement elaboration of handle real expressions.
2003-02-07 02:49:24 +00:00
e941e7e805
Spelling fixes.
2003-01-30 16:23:07 +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
f56d763411
Move strstream to ostringstream for compatibility.
2003-01-14 21:16:18 +00:00
dedae73761
Account for local units in calculated delays.
2002-12-21 19:42:17 +00:00
b89e138404
precalculate r-values of nb assignments and task arguments.
2002-12-05 04:15:14 +00:00
807a758f7c
Do not set width if width is already OK.
2002-11-26 03:35:13 +00:00
cfd8cbf850
Port expressions for output ports are lnets, not nets.
2002-11-09 19:20:48 +00:00
3fca25181a
Evaluate nonblocking assign r-values.
2002-08-28 18:54:36 +00:00
c0046e845e
Handle special case of empty system task argument list.
2002-08-15 02:11:54 +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
37331d1c1b
Add port name to pin size error message.
2002-07-31 23:55:38 +00:00
843e1f9c44
Save event matching for nodangle.
2002-07-24 16:22:59 +00:00
15becdaee4
Need driver for sure in assign feedback and other cases.
2002-07-18 02:06:37 +00:00
80c9db3c88
Careful with assign to self.
2002-07-18 00:24:22 +00:00
3f1cd14f6c
Fix scope search for events.
2002-07-03 05:34:59 +00:00
cd94019733
Remove NetTmp and add NetSubnet class.
2002-06-19 04:20:03 +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
422754f36f
Support carrying the scope of named begin-end
...
blocks down to the code generator, and have
the vvp code generator use that to support disable.
2002-05-27 00:08:45 +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
e6c0629626
Add language support for Verilog-2001 attribute
...
syntax. Hook this support into existing $attribute
handling, and add number and void value types.
Add to the ivl_target API new functions for access
of complex attributes attached to gates.
2002-05-23 03:08:50 +00:00
c787a36af2
Accept errors in memory index expression.
2002-05-12 19:16:58 +00:00
f5d3b78653
Use else clause instead of ! to preface wait events.
2002-05-07 05:06:07 +00:00
0696e3d558
Agressively evalutate case expressions.
2002-04-24 17:40:48 +00:00
0976fd393b
Do not allow implicit wires in sensitivity lists.
2002-04-22 00:53:39 +00:00
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
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
6733f7625b
Detect missing indices to memories (PR#421)
2002-04-13 02:33:17 +00:00
3d646aa92c
Constant expressions are not l-values for task ports.
2002-03-09 04:02:26 +00:00
0b68639f7d
elaborate deassign lval as done for assign.
2002-01-23 05:56:22 +00:00
a02cfe0f1b
Evaluate case guards, if possible.
2002-01-19 20:09:56 +00:00
c9d6b5431d
Remove test print
2001-12-31 00:39:20 +00:00
000d187c94
Do not delete delay expressions of UDP instances.
2001-12-29 20:19:31 +00:00
4b174fd996
Forgot to evaluate UDP delays.
2001-12-06 05:04:49 +00:00
dbf5509f4f
Support delays on UDP instances.
2001-12-06 04:44:11 +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
82831ea9a5
Use NetScope instead of string for scope path.
2001-11-22 06:20:59 +00:00
7793a49854
Remove string paths from PExpr elaboration.
2001-11-08 05:15:50 +00:00
6bfbcbdcf7
elaborate_lnet uses scope instead of string path.
2001-11-07 04:26:46 +00:00
bf72f39fe9
eval_const uses scope instead of a string path.
2001-11-07 04:01:59 +00:00
649428962e
Pad limited r-values in continuous assignments.
2001-11-04 23:12:29 +00:00
b3e430c751
Give up if roots are missing.
2001-10-31 03:22:31 +00:00
874bab10e4
NetObj constructor finally requires a scope.
2001-10-28 01:14:53 +00:00
b01316ce12
Better error message for mising root module.
2001-10-22 23:26:37 +00:00
990df42407
Handle activating tasks in another root.
2001-10-22 02:05:20 +00:00
9f3e64e11a
Module types in pform are char* instead of string.
2001-10-21 00:42:47 +00:00
6466d02eda
Add automatic module libraries.
2001-10-20 23:02:39 +00:00
7a149a6943
Scope/module names are char* instead of string.
2001-10-20 05:21:51 +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
d8141252e9
Accept empty port lists to module instantiation.
2001-08-01 05:17:31 +00:00
e17f7f5146
Detect a missing task definition before it crashes me.
2001-07-28 22:13:11 +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
83de770387
Do not connect reg to module outputs.
2001-07-19 03:43:15 +00:00
a033c331b6
Report line of unsupported cassign.
2001-06-27 18:34:43 +00:00
5aee3b866a
do not assert if memory reference is invalid.
2001-05-17 03:35:22 +00:00
a52b34cb64
Add pullup and pulldown devices.
2001-04-29 20:19:10 +00:00
9bb2cee686
UDP instances need not have user supplied names.
2001-04-28 23:18:08 +00:00
8dfa322b8b
Support for UDP devices in VVP (Stephen Boettcher)
2001-04-24 02:23:58 +00:00
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00
f40d006c26
Generate code for task calls.
2001-04-02 02:28:12 +00:00
2b0aaec8ab
FreeBSD port has a maintainer now.
2001-02-15 06:59:35 +00:00
7ef3b44ab1
support evaluation of constant < in expressions.
2001-02-09 05:44:23 +00:00
2fbc0af1ea
Fix expression widths for rvalues and parameters (PR#131,132)
2001-02-07 21:47:13 +00:00
219df169a3
Generalize the evaluation of floating point delays, and
...
get it working with delay assignment statements.
Allow parameters to be referenced by hierarchical name.
2001-01-14 23:04:55 +00:00
5276752276
Build task outputs as lval instead of nets. (PR#98)
2001-01-10 03:13:23 +00:00
6bf599e839
Cope with width mismatches to module ports (PR#89)
2001-01-09 05:58:47 +00:00
5144725b8f
Accept x in outputs of primitive. (PR#84)
2000-12-15 01:24:17 +00:00
084a464cf1
Support decimal constants in behavioral delays.
2000-12-10 22:01:35 +00:00
9ddd0491f7
Support delays on continuous assignment from idents. (PR#40)
2000-12-10 06:41:59 +00:00
f6507cba43
Check lvalue of procedural continuous assign (PR#29)
2000-12-06 06:31:09 +00:00
e310532434
Handle null statements inside a wait. (PR#60)
2000-12-01 23:52:49 +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
f4ed0e35af
Handle connectsion to internally unconnected modules (PR#38)
2000-11-05 06:05:59 +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
f915efaf15
Fix handling of errors in behavioral lvalues. (PR#28)
2000-10-26 17:09:46 +00:00
76e2c509d7
Put logic devices into scopes.
2000-10-07 19:45:42 +00:00
40028f263f
Do not put noop statements into blocks.
2000-09-29 22:58:57 +00:00
cbe20e8bcf
fix null pointer when elaborating undefined task.
2000-09-24 17:41:13 +00:00
9067c91656
Correctly measure comples l-values of assignments.
2000-09-20 02:53:14 +00:00
b6ce313e91
move lval elaboration to PExpr virtual methods.
2000-09-09 15:21:26 +00:00
4cf75adf94
Fix bit padding of assign signal-to-signal
2000-09-07 01:29:44 +00:00
49570b8cd9
encapsulate access to the l-value expected width.
2000-09-07 00:06:53 +00:00
24e46723b0
Change elaborate_lval to return NetAssign_ objects.
2000-09-03 17:58:35 +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
a59bbdeb4f
Proper error messages when port direction is missing.
2000-08-18 04:38:57 +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
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
steve