steve
1f0c274e82
Obsolete find_symbol and find_event from the Design class.
2003-09-20 01:05:35 +00:00
steve
693794552c
Remove find_memory method from Design class.
2003-09-19 03:50:12 +00:00
steve
da7956a797
Fix name search in elab_lval.
2003-09-19 03:30:04 +00:00
steve
178847fc53
Spelling fixes.
2003-09-13 01:01:51 +00:00
steve
7c1401a2ba
Spelling patch.
2003-08-28 04:11:17 +00:00
steve
e561819179
Add synthesis support for synchronous reset.
2003-08-15 02:23:52 +00:00
steve
a95463ff81
Add support for IVL_LPM_MULT device.
2003-08-09 03:23:03 +00:00
steve
bfe31e22bf
Start handling pad of expressions in code generators.
2003-07-26 03:34:42 +00:00
steve
cadf4cfdef
Spelling fixes.
2003-07-15 03:49:22 +00:00
steve
004ecd08dd
Elide empty begin-end in conditionals.
2003-07-02 04:19:16 +00:00
steve
61195c5daa
Harmless fixup of warnings.
2003-06-21 01:21:42 +00:00
steve
ccf4d4d7da
Module attributes from the parser
...
through to elaborated form.
2003-06-20 00:53:19 +00:00
steve
71a404a546
Add arithmetic shift operators.
2003-06-18 03:55:18 +00:00
steve
8352c91b0a
Evaluate <= with real operands.
2003-06-05 04:28:24 +00:00
steve
5903f0744c
Support parameters in real expressions and
...
as real expressions, and fix multiply and
divide with real results.
2003-05-30 02:55:32 +00:00
steve
76295ac873
More complete bit range internal error message,
...
Better test of part select ranges on non-zero
signal ranges.
2003-05-01 01:13:57 +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
2c129dfbfa
Synthesize shift expressions.
2003-04-08 04:33:55 +00:00
steve
d18934d444
Sign extend NetMult inputs if result is signed.
2003-03-29 05:51:25 +00:00
steve
c602d94cef
Comparison operators do have defined width.
2003-03-15 18:08:43 +00:00
steve
6d94f2ea55
Better organize the NetESFunc return type guesses.
2003-03-15 04:46:28 +00:00
steve
1222153cdf
Keep parameter constants for the ivl_target API.
2003-03-10 23:40:53 +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
4c67de5ca7
Add the lex_strings string handler, and put
...
scope names and system task/function names
into this table. Also, permallocate event
names from the beginning.
2003-03-01 06:25:30 +00:00
steve
f8d1e15a27
NetEBDiv handles real value constant expressions.
2003-02-07 02:47:57 +00:00
steve
589422b505
Real constants have no defined vector width
2003-02-06 17:50:23 +00:00
steve
e941e7e805
Spelling fixes.
2003-01-30 16:23:07 +00:00
steve
04ada23119
Support in various contexts the $realtime
...
system task.
2003-01-27 00:14:37 +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
e62e1d89b6
Named event triggers can take hierarchical names.
2002-12-07 02:49:24 +00:00
steve
9f80ed32b6
Support bit select in constant expressions.
2002-12-05 02:14:33 +00:00
steve
aa8869a3c7
Postpone parameter width check to evaluation.
2002-11-09 01:40:19 +00:00
steve
86032c0aa5
Allow named events to be referenced by
...
hierarchical names.
2002-11-02 03:27:51 +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
3d4593d4d5
Synthesizer support for synchronous begin-end blocks.
2002-10-21 01:42:08 +00:00
steve
43501809b1
Redo the parameter vector support to allow
...
parameter names in range expressions.
2002-10-19 22:59:49 +00:00
steve
166621bcb3
Generate vvp code for asynch set/reset of NetFF.
2002-09-26 03:18:04 +00:00
steve
879a5a4cbe
Synthesize async set/reset is certain cases.
2002-09-26 01:13:14 +00:00
steve
eb81062d85
Add to synth2 support for synthesis of
...
synchronous logic. This includes DFF enables
modeled by if/then/else.
2002-09-16 00:30:33 +00:00
steve
dac99b9374
Add support for binary nand operator.
2002-09-12 15:49:43 +00:00
steve
8ab2ec6f86
Allow release to handle removal of target net.
2002-08-19 00:06:11 +00:00
steve
2fad8d4cff
Detect temporaries in sequential block synthesis.
2002-08-18 22:07:16 +00:00
steve
c794aa02b8
Fix intermix of node functors and node delete.
2002-08-16 05:18:27 +00:00
steve
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
steve
693e9e5ad0
Store only the base name of memories.
2002-08-05 04:18:45 +00:00
steve
89314d4772
Do not use hierarchical names of memories to
...
generate vvp labels. -tdll target does not
used hierarchical name string to look up the
memory objects in the design.
2002-08-04 18:28:14 +00:00
steve
bb87c368b8
Asynchronous synthesis of sequential blocks.
2002-07-29 00:00:28 +00:00
steve
58ec62c895
Rewrite find_similar_event to support doing
...
all event matching and replacement in one
shot, saving time in the scans.
2002-07-24 16:24:45 +00:00
steve
8114523be2
Asynchronous synthesis of case statements.
2002-07-07 22:32:15 +00:00
steve
3f1cd14f6c
Fix scope search for events.
2002-07-03 05:34:59 +00:00
steve
93bb4283b8
Change the signal to a net when assignments go away.
2002-07-02 03:02:57 +00:00
steve
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
steve
9b6b081e38
Add structure for asynchronous logic synthesis.
2002-06-30 02:21:31 +00:00
steve
9fc4e1eddd
Cache calculated driven value.
2002-06-25 01:33:22 +00:00
steve
58c2e12507
Make link_drive_constant cache its results in
...
the Nexus, to improve cprop performance.
2002-06-24 01:49:38 +00:00
steve
f9768cd579
spelling error.
2002-06-23 18:22:43 +00:00
steve
5eca5d9948
Carry integerness throughout the compilation.
2002-06-21 04:59:35 +00:00
steve
cd94019733
Remove NetTmp and add NetSubnet class.
2002-06-19 04:20:03 +00:00
steve
9cef973d9b
Add NetRamDq synthsesis from memory l-values.
2002-06-08 23:42:46 +00:00
steve
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
steve
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
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
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
8667b9a35d
Put off evaluation of concatenation repeat expresions
...
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
steve
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
steve
9dda15a186
implement nex_input for behavioral statements.
2002-04-21 17:43:12 +00:00
steve
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
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
349be0f169
Precalculate constant results of memory index expressions.
2002-01-22 01:40:04 +00:00
steve
608555ce7e
Pass back target errors processing conditionals.
2002-01-19 19:02:08 +00:00
steve
51db00fb44
Support $signed cast of expressions.
2001-12-31 00:08:14 +00:00
steve
ab6c8cb4b8
Parser and pform use hierarchical names as hname_t
...
objects instead of encoded strings.
2001-12-03 04:47:14 +00:00
steve
e85347bf8b
Handle part selects in l-values of DFF devices.
2001-11-29 01:58:18 +00:00
steve
f28f5e01e5
Unary reduction operators are all 1-bit results.
2001-11-19 04:26:46 +00:00
steve
08f0f5a1f7
DLL target support for force and release.
2001-11-14 03:28:49 +00:00
steve
0c7335a77d
Spelling errors.
2001-11-09 03:43:26 +00:00
steve
7793a49854
Remove string paths from PExpr elaboration.
2001-11-08 05:15:50 +00:00
steve
1ff36dc892
shift expressions can have definite widths.
2001-11-06 04:32:37 +00:00
steve
75e78e86d3
ivl_target support for assign/deassign.
2001-10-31 05:24:52 +00:00
steve
874bab10e4
NetObj constructor finally requires a scope.
2001-10-28 01:14:53 +00:00
steve
7a149a6943
Scope/module names are char* instead of string.
2001-10-20 05:21:51 +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
494b5ff1ee
parameter names do not have defined size.
2001-10-07 03:38:08 +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
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
ce589da58a
Support the NetESubSignal expressions in vvp.tgt.
2001-07-22 00:17:49 +00:00
steve
bcaa122fb9
handle left shifter in dll output.
2001-07-04 22:59:25 +00:00
steve
79b740284a
Make NetFF constructor take const char* for the name.
2001-07-01 00:27:34 +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
b3a5a0e5ab
Generate vvp code for GT and GE comparisons.
2001-06-15 04:14:18 +00:00
steve
f480943649
Support structural addition.
2001-06-07 02:12:43 +00:00
steve
914ad85e63
Add ivl and vvp.tgt support for memories in
...
expressions and l-values. (Stephan Boettcher)
2001-05-08 23:59:33 +00:00
steve
a52b34cb64
Add pullup and pulldown devices.
2001-04-29 20:19:10 +00:00
steve
8dfa322b8b
Support for UDP devices in VVP (Stephen Boettcher)
2001-04-24 02:23:58 +00:00
steve
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00