365cfedd55
Update DFF support to new data flow.
2005-04-24 23:44:01 +00:00
6244dc1194
Make logic aware of strength.
2005-04-13 06:35:11 +00:00
65c7ec00e7
Rework NetRamDq and IVL_LPM_RAM nodes.
2005-04-06 05:29:08 +00:00
236ff2b278
Clean up handle of UDPs.
2005-04-01 06:04:30 +00:00
53da6e9a33
Add support for LPM_UFUNC user defined functions.
2005-03-18 02:56:03 +00:00
1c5b4881d7
Handle case inequality in netlists.
2005-03-09 05:52:03 +00:00
257e1f9516
Support shifts and divide.
2005-02-19 02:43:38 +00:00
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
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
e28636776a
Change case compare from logic to an LPM node.
2005-01-22 01:06:55 +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
5eb25e44e1
Add ivl_event_scope, and better document ivl_event_X methods.
2004-12-18 18:56:18 +00:00
4444079409
Fixup force statement elaboration.
2004-12-15 17:10:40 +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
3dbc07f34d
Implement signed divide and signed right shift in nets.
2004-06-30 02:16:26 +00:00
e56b77a43f
Add support for wait on list of named events.
2003-12-03 02:46:23 +00:00
43f28b53a3
Design::get_flag returns const char* instead of string.
2003-11-10 20:59:03 +00:00
7521aa83f8
Pass FF synchronous set values to code generator.
2003-09-03 23:33:29 +00:00
64d795c53a
Preserve variable ranges all the way to the vpi.
2003-08-22 23:14:26 +00:00
e561819179
Add synthesis support for synchronous reset.
2003-08-15 02:23:52 +00:00
21ff80075a
Various warnings fixed.
2003-06-24 01:38:02 +00:00
bad861dba3
Module attributes make it al the way to ivl_target.
2003-06-23 01:25:44 +00:00
2a29c4fd62
Support real expressions in case statements.
2003-05-14 05:26:41 +00:00
f1cc9d865b
Support event names as expressions elements.
2003-04-22 04:48:29 +00:00
5d1d99a89f
Handle signed magnitude compare all the
...
way through to the vvp code generator.
2003-04-11 05:18:08 +00:00
1222153cdf
Keep parameter constants for the ivl_target API.
2003-03-10 23:40:53 +00:00
9c973efa9d
Wrong sense of need compared to have.
2003-03-06 04:32:40 +00:00
22d392a75c
Obsolete the ivl_event_name function.
2003-03-06 01:24:37 +00:00
badad63ab4
All NetObj objects have lex_string base names.
2003-03-06 00:28:41 +00:00
486274cfa1
Scope names stored only as basename.
2003-03-03 02:22:41 +00:00
a275133ff9
LPM objects store only their base names.
2003-02-26 01:29:24 +00:00
46253ed873
Rework expression parsing and elaboration to
...
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
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
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
166621bcb3
Generate vvp code for asynch set/reset of NetFF.
2002-09-26 03:18:04 +00:00
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
14942b4b43
Dead code.
2002-08-07 02:17:14 +00:00
693e9e5ad0
Store only the base name of memories.
2002-08-05 04:18:45 +00:00
301040a67a
Avoid emitting to vvp local net symbols.
2002-07-05 21:26:17 +00:00
5eca5d9948
Carry integerness throughout the compilation.
2002-06-21 04:59:35 +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
700887d657
Verilog 2001 attriubtes on nets/wires.
2002-05-24 04:36:23 +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
828ca0ef9d
Add API to support user defined function.
2002-03-17 19:30:20 +00:00
b7c2bd4f72
Add the NetUserFunc netlist node.
2002-03-09 02:10:22 +00:00
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
dd79885f6d
Add structural modulus support down to vvp.
2002-01-03 04:19:01 +00:00
c8319bcc02
Add ivl_logic_delay function to ivl_target.
2001-12-06 03:11:00 +00:00
08f0f5a1f7
DLL target support for force and release.
2001-11-14 03:28:49 +00:00
ab9a853d52
ivl_target support for cassign.
2001-11-01 04:25:31 +00:00
75e78e86d3
ivl_target support for assign/deassign.
2001-10-31 05:24:52 +00:00
d350620315
Support multiple root modules (Philip Blundell)
2001-10-19 21:53:24 +00:00
177fa4062b
Support IVL_LPM_DIVIDE for structural divide.
2001-10-16 02:19:26 +00:00
e99059e001
Support attributes to logic gates.
2001-09-16 22:19:42 +00:00
d762a320dc
Make constants available through the design root
2001-09-01 01:57:31 +00:00
e79a371f76
Support DFF CE inputs.
2001-08-31 22:58:39 +00:00
2002c03cef
Add some ivl_target convenience functions.
2001-08-28 04:07:17 +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
2802601c44
tgt-vvp generates code that skips nets as inputs.
2001-08-10 00:40:45 +00:00
c5a5a11b7f
Support getting the signal from IVL_EX_SIGNAL expressions.
2001-07-28 01:17:40 +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
ce589da58a
Support the NetESubSignal expressions in vvp.tgt.
2001-07-22 00:17:49 +00:00
cd8e491028
Support calculated delays in vvp.tgt.
2001-07-19 04:55:06 +00:00
8cc89a3a1f
Pass parameters to system functions.
2001-07-07 20:20:10 +00:00
fb0c387b12
Detect and make available to t-dll the right shift.
2001-07-07 03:01:37 +00:00
bcaa122fb9
handle left shifter in dll output.
2001-07-04 22:59:25 +00:00
ab7b353ace
support fast programming by only writing the bits
...
that are listed in the input file.
2001-06-30 23:03:16 +00:00
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
bf42772995
Generate code to support memory access in continuous
...
assignment statements. (Stephan Boettcher)
2001-06-16 02:41:41 +00:00
b3a5a0e5ab
Generate vvp code for GT and GE comparisons.
2001-06-15 04:14:18 +00:00
2f2657b765
support subtraction in tgt-vvp.
2001-06-07 03:09:37 +00:00
f480943649
Support structural addition.
2001-06-07 02:12:43 +00:00
61991e6367
stub ivl_expr_parms for sfunctions.
2001-05-20 01:06:16 +00:00
0872ad34cf
Behavioral ternary operators for vvp.
2001-05-17 04:37:02 +00:00
914ad85e63
Add ivl and vvp.tgt support for memories in
...
expressions and l-values. (Stephan Boettcher)
2001-05-08 23:59:33 +00:00
b7569f4d70
Support memory objects. (Stephan Boettcher)
2001-05-06 17:48:20 +00:00
eb71c70c99
Carry drive strengths in the ivl_nexus_ptr_t, and
...
handle constant devices in targets.'
2001-04-29 23:17:38 +00:00
73c4893ef7
Implement simple MUXZ for ?: operators.
2001-04-26 05:12:02 +00:00
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00
c97692d715
Generate code for disable.
2001-04-21 00:55:46 +00:00
70aeb980d8
vvp support for <= with internal delay.
2001-04-15 02:58:11 +00:00
0550287658
Generate vvp code for functions with ports.
2001-04-06 02:28:02 +00:00
82947a9343
Generate vvp code for the repeat statement.
2001-04-05 03:20:57 +00:00
898639d7bf
Get signed compares working correctly in vvp.
2001-04-05 01:12:27 +00:00
0653f859bc
Support forever loops in the tgt-vvp target.
2001-04-04 04:50:35 +00:00
19c84ff9a2
Support non-blocking assignments.
2001-04-03 04:50:37 +00:00
f40d006c26
Generate code for task calls.
2001-04-02 02:28:12 +00:00
e6c36597eb
Support the scope expression node.
2001-04-02 00:28:35 +00:00
a2da2d59df
support the NetWhile statement.
2001-04-01 06:52:27 +00:00
d25690cc8e
Redesign event information to support arbitrary edge combining.
2001-04-01 01:48:21 +00:00
b3a3b888d8
Generate vvp code for case statements.
2001-03-31 17:36:38 +00:00
b36b6d0ca0
Generate code for fork/join statements.
2001-03-30 05:49:52 +00:00
966f7a4bff
Behavioral trigger statements.
2001-03-29 03:47:38 +00:00
522d0ec864
Add unary ~ operator to tgt-vvp.
2001-03-29 02:52:39 +00:00
a4e528f0c3
Add the ivl_event_t to ivl_target, and use that to generate
...
.event statements in vvp way ahead of the thread that uses it.
2001-03-28 06:07:39 +00:00
61e3eed49c
Generate code for simple @ statements.
2001-03-27 06:27:40 +00:00
e8518c5056
Put processes in the proper scope.
2001-03-20 01:44:13 +00:00
a00924089d
Pass scope type information to the target module.
2001-01-15 00:47:01 +00:00
66716f5101
Add client data pointer for scope and process scanners.
2001-01-15 00:05:39 +00:00
3b9a60414e
Make signal attributes available to ivl_target API.
2000-12-05 06:29:33 +00:00
0ca9b2736b
flip-flop pins for ivl_target API.
2000-11-12 17:47:29 +00:00
a8da692540
Add support for the t-dll backend grabing flip-flops.
2000-11-11 00:03:36 +00:00
d6efae4bdd
API for concatenation expressions.
2000-10-28 22:32:34 +00:00
b8fe10d27d
Get target signal from nexus_ptr.
2000-10-25 05:41:24 +00:00
e10679633d
Add ivl_lval_t and support for assignment l-values.
2000-10-18 20:04:39 +00:00
f5fae7f271
Stubs so that cygwin port will link ivl.
2000-10-16 22:44:54 +00:00
2dedd6c067
Scopes and processes are accessible randomly from
...
the design, and signals and logic are accessible
from scopes. Remove the target calls that are no
longer needed.
Add the ivl_nexus_ptr_t and the means to get at
them from nexus objects.
Give names to methods that manipulate the ivl_design_t
type more consistent names.
2000-10-15 04:46:23 +00:00
8fe887ffe1
Back pointers in the nexus objects into the devices
...
that point to it.
Collect threads into a list in the design.
2000-10-08 04:01:54 +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
c12e0f5416
ivl_expr_t support for binary operators,
...
Create a proper ivl_scope_t object.
2000-09-30 02:18:15 +00:00
d6b43519a8
Add EX_NUMBER and ST_TRIGGER to dll-api.
2000-09-26 00:30:07 +00:00
e8bb53e2ea
API access to signal type and port type.
2000-09-24 15:46:00 +00:00
36cc374ec9
Add support for signal expressions.
2000-09-24 02:21:53 +00:00
80c69d565b
Add enough tgt-verilog code to support hello world.
2000-09-23 05:15:07 +00:00
48ff3590bc
Access to the name of a system task call.
2000-09-22 03:58:30 +00:00
39cf6bd164
Introduce the means to get statement types.
2000-09-19 04:15:27 +00:00
effc84c46d
Get the structure for ivl_statement_t worked out.
2000-09-18 01:24:32 +00:00
steve