8114523be2
Asynchronous synthesis of case statements.
2002-07-07 22:32:15 +00:00
3f1cd14f6c
Fix scope search for events.
2002-07-03 05:34:59 +00:00
93bb4283b8
Change the signal to a net when assignments go away.
2002-07-02 03:02:57 +00:00
d5e9e13555
synth_asych of if/else requires redirecting the target
...
if sub-statements. Use NetNet objects to manage the
situation.
2002-07-01 00:54:21 +00:00
9b6b081e38
Add structure for asynchronous logic synthesis.
2002-06-30 02:21:31 +00:00
9fc4e1eddd
Cache calculated driven value.
2002-06-25 01:33:22 +00:00
58c2e12507
Make link_drive_constant cache its results in
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the Nexus, to improve cprop performance.
2002-06-24 01:49:38 +00:00
f9768cd579
spelling error.
2002-06-23 18:22:43 +00:00
5eca5d9948
Carry integerness throughout the compilation.
2002-06-21 04:59:35 +00:00
cd94019733
Remove NetTmp and add NetSubnet class.
2002-06-19 04:20:03 +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
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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
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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,
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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
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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
8667b9a35d
Put off evaluation of concatenation repeat expresions
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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
5882c6a481
Redo handling of assignment internal delays.
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Leave it possible for them to be calculated
at run time.
2002-04-21 22:31:02 +00:00
9dda15a186
implement nex_input for behavioral statements.
2002-04-21 17:43:12 +00:00
b094bbdcf4
Add support for conbinational events by finding
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the inputs to expressions and some statements.
Get case and assignment statements working.
2002-04-21 04:59:07 +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
349be0f169
Precalculate constant results of memory index expressions.
2002-01-22 01:40:04 +00:00
608555ce7e
Pass back target errors processing conditionals.
2002-01-19 19:02:08 +00:00
51db00fb44
Support $signed cast of expressions.
2001-12-31 00:08:14 +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
e85347bf8b
Handle part selects in l-values of DFF devices.
2001-11-29 01:58:18 +00:00
f28f5e01e5
Unary reduction operators are all 1-bit results.
2001-11-19 04:26:46 +00:00
08f0f5a1f7
DLL target support for force and release.
2001-11-14 03:28:49 +00:00
0c7335a77d
Spelling errors.
2001-11-09 03:43:26 +00:00
7793a49854
Remove string paths from PExpr elaboration.
2001-11-08 05:15:50 +00:00
1ff36dc892
shift expressions can have definite widths.
2001-11-06 04:32:37 +00:00
75e78e86d3
ivl_target support for assign/deassign.
2001-10-31 05:24:52 +00:00
874bab10e4
NetObj constructor finally requires a scope.
2001-10-28 01:14:53 +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
177fa4062b
Support IVL_LPM_DIVIDE for structural divide.
2001-10-16 02:19:26 +00:00
494b5ff1ee
parameter names do not have defined size.
2001-10-07 03:38:08 +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
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NetESignal/IVL_EX_SIGNAL objects, instead of
creating new and useless temporary signals.
2001-07-27 04:51:44 +00:00
ce589da58a
Support the NetESubSignal expressions in vvp.tgt.
2001-07-22 00:17:49 +00:00
bcaa122fb9
handle left shifter in dll output.
2001-07-04 22:59:25 +00:00
79b740284a
Make NetFF constructor take const char* for the name.
2001-07-01 00:27:34 +00:00
4b82d26f5e
Add support for structural multiply in t-dll.
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Add code generators and vvp support for both
structural and behavioral multiply.
2001-06-16 23:45:05 +00:00
b3a5a0e5ab
Generate vvp code for GT and GE comparisons.
2001-06-15 04:14:18 +00:00
f480943649
Support structural addition.
2001-06-07 02:12:43 +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
a52b34cb64
Add pullup and pulldown devices.
2001-04-29 20:19:10 +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
steve