steve
d883979fd8
Seperate arrayness from word count
2007-04-02 01:12:34 +00:00
steve
fe02214fcc
do not calculate nexus name unless needed.
2007-03-26 16:51:48 +00:00
steve
fc9a90c9e0
Add support for edge sensitive spec paths.
2007-03-02 06:13:22 +00:00
steve
243cf94165
Add support for conditional specify delay paths.
2007-03-01 06:19:38 +00:00
steve
6f3ddce7c4
Dead code for memories in scopes.
2007-01-17 05:00:12 +00:00
steve
f5a7ee0736
Remove dead code related to memories.
2007-01-17 04:39:18 +00:00
steve
91d84e7dc7
Major rework of array handling. Memories are replaced with the
...
more general concept of arrays. The NetMemory and NetEMemory
classes are removed from the ivl core program, and the IVL_LPM_RAM
lpm type is removed from the ivl_target API.
2007-01-16 05:44:14 +00:00
steve
0edb5a7547
Basic support for specify timing.
2006-09-23 04:57:19 +00:00
steve
182734fd4d
Remove dead code.
2006-09-20 22:31:23 +00:00
steve
fc0695beb6
Handle 64bit delay constants.
2006-08-08 05:11:37 +00:00
steve
80f30be9d0
Add support for system functions in continuous assignments.
2006-06-18 04:15:50 +00:00
steve
d434dd7296
Allow part selects of memory words in l-values.
2006-02-02 02:43:57 +00:00
steve
58f182a159
Node delays can be more general expressions in structural contexts.
2006-01-02 05:33:19 +00:00
steve
4a8be3db9c
Implement bi-directional part selects.
2005-08-06 17:58:16 +00:00
steve
b9799cf6ec
Remove NetVariable and ivl_variable_t structures.
2005-07-11 16:56:50 +00:00
steve
75ad90534b
Generalize signals to carry types.
2005-07-07 16:22:49 +00:00
steve
4413dd3c81
Fix compile errors.
2005-06-13 23:22:37 +00:00
steve
739a1839ed
Do sign extension of structuran nets.
2005-05-24 01:44:27 +00:00
steve
7dd0d255a6
Add support for variable part select.
2005-05-08 23:40:14 +00:00
steve
365cfedd55
Update DFF support to new data flow.
2005-04-24 23:44:01 +00:00
steve
6244dc1194
Make logic aware of strength.
2005-04-13 06:35:11 +00:00
steve
65c7ec00e7
Rework NetRamDq and IVL_LPM_RAM nodes.
2005-04-06 05:29:08 +00:00
steve
236ff2b278
Clean up handle of UDPs.
2005-04-01 06:04:30 +00:00
steve
53da6e9a33
Add support for LPM_UFUNC user defined functions.
2005-03-18 02:56:03 +00:00
steve
1c5b4881d7
Handle case inequality in netlists.
2005-03-09 05:52:03 +00:00
steve
257e1f9516
Support shifts and divide.
2005-02-19 02:43:38 +00:00
steve
d74177634c
Restructure NetMux devices to pass vectors.
...
Generate NetMux devices from ternary expressions,
Reduce NetMux devices to bufif when appropriate.
2005-02-12 06:25:40 +00:00
steve
ee5bb5fcaf
Add the NetRepeat node, and code generator support.
2005-02-08 00:12:36 +00:00
steve
97f83ffbe3
laborate reduction gates into LPM_RED_ nodes.
2005-02-03 04:56:20 +00:00
steve
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
steve
e28636776a
Change case compare from logic to an LPM node.
2005-01-22 01:06:55 +00:00
steve
9e94afe399
Use PartSelect/PV and VP to handle part selects through ports.
2005-01-09 20:16:00 +00:00
steve
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
steve
5eb25e44e1
Add ivl_event_scope, and better document ivl_event_X methods.
2004-12-18 18:56:18 +00:00
steve
4444079409
Fixup force statement elaboration.
2004-12-15 17:10:40 +00:00
steve
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
steve
e4ae832153
Clean up spurious trailing white space.
2004-10-04 01:10:51 +00:00
steve
3dbc07f34d
Implement signed divide and signed right shift in nets.
2004-06-30 02:16:26 +00:00
steve
e56b77a43f
Add support for wait on list of named events.
2003-12-03 02:46:23 +00:00
steve
43f28b53a3
Design::get_flag returns const char* instead of string.
2003-11-10 20:59:03 +00:00
steve
7521aa83f8
Pass FF synchronous set values to code generator.
2003-09-03 23:33:29 +00:00
steve
64d795c53a
Preserve variable ranges all the way to the vpi.
2003-08-22 23:14:26 +00:00
steve
e561819179
Add synthesis support for synchronous reset.
2003-08-15 02:23:52 +00:00
steve
21ff80075a
Various warnings fixed.
2003-06-24 01:38:02 +00:00
steve
bad861dba3
Module attributes make it al the way to ivl_target.
2003-06-23 01:25:44 +00:00
steve
2a29c4fd62
Support real expressions in case statements.
2003-05-14 05:26:41 +00:00
steve
f1cc9d865b
Support event names as expressions elements.
2003-04-22 04:48:29 +00:00
steve
5d1d99a89f
Handle signed magnitude compare all the
...
way through to the vvp code generator.
2003-04-11 05:18:08 +00:00
steve
1222153cdf
Keep parameter constants for the ivl_target API.
2003-03-10 23:40:53 +00:00
steve
9c973efa9d
Wrong sense of need compared to have.
2003-03-06 04:32:40 +00:00
steve
22d392a75c
Obsolete the ivl_event_name function.
2003-03-06 01:24:37 +00:00
steve
badad63ab4
All NetObj objects have lex_string base names.
2003-03-06 00:28:41 +00:00
steve
486274cfa1
Scope names stored only as basename.
2003-03-03 02:22:41 +00:00
steve
a275133ff9
LPM objects store only their base names.
2003-02-26 01:29:24 +00:00
steve
46253ed873
Rework expression parsing and elaboration to
...
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
steve
c2070777b2
The $time system task returns the integer time
...
scaled to the local units. Change the internal
implementation of vpiSystemTime the $time functions
to properly account for this. Also add $simtime
to get the simulation time.
2002-12-21 00:55:57 +00:00
steve
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
steve
166621bcb3
Generate vvp code for asynch set/reset of NetFF.
2002-09-26 03:18:04 +00:00
steve
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
steve
14942b4b43
Dead code.
2002-08-07 02:17:14 +00:00
steve
693e9e5ad0
Store only the base name of memories.
2002-08-05 04:18:45 +00:00
steve
301040a67a
Avoid emitting to vvp local net symbols.
2002-07-05 21:26:17 +00:00
steve
5eca5d9948
Carry integerness throughout the compilation.
2002-06-21 04:59:35 +00:00
steve
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
steve
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
steve
700887d657
Verilog 2001 attriubtes on nets/wires.
2002-05-24 04:36:23 +00:00
steve
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
steve
828ca0ef9d
Add API to support user defined function.
2002-03-17 19:30:20 +00:00
steve
b7c2bd4f72
Add the NetUserFunc netlist node.
2002-03-09 02:10:22 +00:00
steve
364ffc9024
Add support for bit select of parameters.
...
This leads to a NetESelect node and the
vvp code generator to support that.
2002-01-28 00:52:41 +00:00
steve
dd79885f6d
Add structural modulus support down to vvp.
2002-01-03 04:19:01 +00:00
steve
c8319bcc02
Add ivl_logic_delay function to ivl_target.
2001-12-06 03:11:00 +00:00
steve
08f0f5a1f7
DLL target support for force and release.
2001-11-14 03:28:49 +00:00
steve
ab9a853d52
ivl_target support for cassign.
2001-11-01 04:25:31 +00:00
steve
75e78e86d3
ivl_target support for assign/deassign.
2001-10-31 05:24:52 +00:00
steve
d350620315
Support multiple root modules (Philip Blundell)
2001-10-19 21:53:24 +00:00
steve
177fa4062b
Support IVL_LPM_DIVIDE for structural divide.
2001-10-16 02:19:26 +00:00
steve
e99059e001
Support attributes to logic gates.
2001-09-16 22:19:42 +00:00
steve
d762a320dc
Make constants available through the design root
2001-09-01 01:57:31 +00:00
steve
e79a371f76
Support DFF CE inputs.
2001-08-31 22:58:39 +00:00
steve
2002c03cef
Add some ivl_target convenience functions.
2001-08-28 04:07:17 +00:00
steve
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
steve
2802601c44
tgt-vvp generates code that skips nets as inputs.
2001-08-10 00:40:45 +00:00
steve
c5a5a11b7f
Support getting the signal from IVL_EX_SIGNAL expressions.
2001-07-28 01:17:40 +00:00
steve
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
steve
629a02cccf
Fix binding of dangling function ports. do not elide them.
2001-07-27 02:41:55 +00:00
steve
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
steve
ce589da58a
Support the NetESubSignal expressions in vvp.tgt.
2001-07-22 00:17:49 +00:00
steve
cd8e491028
Support calculated delays in vvp.tgt.
2001-07-19 04:55:06 +00:00
steve
8cc89a3a1f
Pass parameters to system functions.
2001-07-07 20:20:10 +00:00
steve
fb0c387b12
Detect and make available to t-dll the right shift.
2001-07-07 03:01:37 +00:00
steve
bcaa122fb9
handle left shifter in dll output.
2001-07-04 22:59:25 +00:00
steve
ab7b353ace
support fast programming by only writing the bits
...
that are listed in the input file.
2001-06-30 23:03:16 +00:00
steve
4b82d26f5e
Add support for structural multiply in t-dll.
...
Add code generators and vvp support for both
structural and behavioral multiply.
2001-06-16 23:45:05 +00:00
steve
bf42772995
Generate code to support memory access in continuous
...
assignment statements. (Stephan Boettcher)
2001-06-16 02:41:41 +00:00
steve
b3a5a0e5ab
Generate vvp code for GT and GE comparisons.
2001-06-15 04:14:18 +00:00
steve
2f2657b765
support subtraction in tgt-vvp.
2001-06-07 03:09:37 +00:00
steve
f480943649
Support structural addition.
2001-06-07 02:12:43 +00:00
steve
61991e6367
stub ivl_expr_parms for sfunctions.
2001-05-20 01:06:16 +00:00
steve
0872ad34cf
Behavioral ternary operators for vvp.
2001-05-17 04:37:02 +00:00