80f30be9d0
Add support for system functions in continuous assignments.
2006-06-18 04:15:50 +00:00
71faebd6df
Make elaborate_expr methods aware of the width that the context
...
requires of it. In the process, fix sizing of the width of unary
minus is context determined sizes.
2006-06-02 04:48:49 +00:00
a2c036d5ab
Allow concatenations as arguments to inout ports.
2006-04-28 04:28:35 +00:00
a978bb1e14
Cleanup lval part select handling.
2006-04-16 00:54:04 +00:00
707af782b3
Fix part selects in l-values.
2006-04-16 00:15:43 +00:00
13a660b591
Get rid of excess PESTring:: prefix within class declaration.
2006-03-25 02:36:26 +00:00
d434dd7296
Allow part selects of memory words in l-values.
2006-02-02 02:43:57 +00:00
58f182a159
Node delays can be more general expressions in structural contexts.
2006-01-02 05:33:19 +00:00
101b373293
Allow constant concat expressions.
2005-12-07 04:04:23 +00:00
8ed504b064
Fix for stubborn compiler.
2005-11-27 17:01:56 +00:00
908955c72c
Handle bit select of parameter with ranges.
2005-11-27 05:56:20 +00:00
c02b3b8ac6
Reorganize signal part select handling, and add support for
...
indexed part selects.
Expand expression constant propagation to eliminate extra
sums in certain cases.
2005-11-10 13:28:11 +00:00
a652719876
Add support for indexed select attached to parameters.
2005-10-04 04:09:25 +00:00
4a8be3db9c
Implement bi-directional part selects.
2005-08-06 17:58:16 +00:00
75ad90534b
Generalize signals to carry types.
2005-07-07 16:22:49 +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
e4ae832153
Clean up spurious trailing white space.
2004-10-04 01:10:51 +00:00
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
e941e7e805
Spelling fixes.
2003-01-30 16:23:07 +00:00
cfd8cbf850
Port expressions for output ports are lnets, not nets.
2002-11-09 19:20:48 +00:00
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +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
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
9ef49379f4
Add support for non-constant bit select.
2002-04-23 03:53:59 +00:00
5cf7355c91
Precalculate unary - if possible.
2002-04-14 03:55:25 +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
b7c2bd4f72
Add the NetUserFunc netlist node.
2002-03-09 02:10:22 +00:00
03aebd7525
Support elaborate_net for PEString objects.
2001-12-30 21:32:03 +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
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
9572ddd7e8
Support more real arithmetic in delay constants.
2001-11-06 06:11:55 +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
f4671a3082
Evaluate <= and ?: in parameter expressions (PR#81)
2000-12-16 19:03:30 +00:00
084a464cf1
Support decimal constants in behavioral delays.
2000-12-10 22:01:35 +00:00
f6507cba43
Check lvalue of procedural continuous assign (PR#29)
2000-12-06 06:31:09 +00:00
89d7176734
Add support for modulus (Eric Aardoom)
2000-09-17 21:26:15 +00:00
b6ce313e91
move lval elaboration to PExpr virtual methods.
2000-09-09 15:21:26 +00:00
d86b37d90f
Support unary + and - in constants.
2000-09-07 22:38:13 +00:00
056a3f7220
Allow unary operators in constant expressions.
2000-06-30 15:50:20 +00:00
80878e2e53
Support concatenation in parameter expressions.
2000-06-13 05:22:16 +00:00
9c1dc92d74
Parameters can be strings.
2000-06-01 02:31:39 +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
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
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
694ff934af
Add support for integer division.
2000-04-01 21:40:22 +00:00
steve