db10de1a6a
Fix calculation of XOR when z is present
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When calculating 0^z with constant arguments, make sure the result is
x. This problem only happens when the arguments are constants and the
expression is calculated at compile time.
2008-05-09 09:16:11 -07:00
8c1cca423d
Check for a negative repeat value.
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This patch adds checks for a negative repeat value and prints
an error message under this condition.
2008-03-26 18:12:38 -07:00
ea74eb771e
Fix a couple problems with signed multiply
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Problems with signed expressions that are set to parameters and
that include multipliciation exposed a few bugs in the calculation
of signed multiply. Fix this and add some improved diagnostics.
2008-03-25 21:35:08 -07:00
1ff31db2cc
Add real comparisons in continuous assignments.
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This patch adds real comparisons in continuous assignments.
It also converts bit based constants to real values when needed
by the comparisons.
2008-01-15 19:48:26 -08:00
6d91be5b19
Use inttypes.h instead of stdint.h for portability.
2007-02-02 04:33:00 +00:00
fc0695beb6
Handle 64bit delay constants.
2006-08-08 05:11:37 +00:00
49b65e86fe
Add support for power in constant expressions.
2006-07-31 03:50:17 +00:00
71faebd6df
Make elaborate_expr methods aware of the width that the context
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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
53ae1f29c9
Fix broken subtraction of small constants.
2006-06-01 03:54:51 +00:00
101b373293
Allow constant concat expressions.
2005-12-07 04:04:23 +00:00
4ba195282d
gcc3/4 compile errors.
2005-06-14 19:13:43 +00:00
38ec4b7851
Support unsigned divide of huge numbers.
2004-02-17 06:52:55 +00:00
1c99c629b1
Support constant evaluation of binary ^ operator.
2003-10-26 04:54:56 +00:00
bab0924d86
Make some effort to preserve bits while
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operating on constant values.
2003-04-14 03:40:21 +00:00
47060bfedd
Prevent overrun comparing verinums to zero.
2003-04-03 04:30:00 +00:00
e941e7e805
Spelling fixes.
2003-01-30 16:23:07 +00:00
8f4afd53a6
include config.h to get iosfwd flags.
2003-01-30 04:23:25 +00:00
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
3ad0ec77ce
Add verinum != operator.
2002-06-03 04:04:24 +00:00
f5d0211864
In the context of range declarations, use elab_and_eval instead
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of the less robust eval_const methods.
2001-02-10 20:29:39 +00:00
7ef3b44ab1
support evaluation of constant < in expressions.
2001-02-09 05:44:23 +00:00
94a1d59817
Support constant evaluation of / and % (PR#124)
2001-02-07 02:46:31 +00:00
65020bc6de
Use the iosfwd header if available.
2001-01-16 02:44:17 +00:00
b6a18098c7
Evaluate constant &, | and unary ~.
2001-01-02 03:23:40 +00:00
084a464cf1
Support decimal constants in behavioral delays.
2000-12-10 22:01:35 +00:00
fff759de20
multiply in parameter expressions.
2000-09-27 18:28:37 +00:00
843af31958
Some compilers do not accept the not symbol.
2000-02-23 04:43:43 +00:00
b734ecf02f
Macintosh compilers do not support ident.
2000-02-23 02:56:53 +00:00
d6f53b2582
Initial support for signed constants.
2000-01-07 03:45:49 +00:00
c688d95cb8
Put number constants into a static table.
1999-11-06 16:00:17 +00:00
2c774bfe75
do the <= in bits, not numbers.
1999-10-22 23:57:53 +00:00
19b8615363
Support evaluating + operator at compile time.
1999-10-10 23:29:37 +00:00
c677afd8e3
More precise handling of verinum bit lengths.
1999-05-13 04:02:09 +00:00
63a8b4abe2
Function to calculate wire initial value.
1998-12-20 02:05:41 +00:00
d27f260bc1
Check net ranges in declarations.
1998-11-11 00:01:51 +00:00
ebad845fc3
Add procedural while loops,
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Parse procedural for loops,
Add procedural wait statements,
Add constant nodes,
Add XNOR logic gate,
Make vvm output look a bit prettier.
1998-11-09 18:55:33 +00:00
3fb7a053be
Introduce verilog to CVS.
1998-11-03 23:28:49 +00:00
Stephen Williams
Cary R
steve