d9ac146b8f
Spelling fixes
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only comments and documentation
some punctuation and capitalization for good measure
Changelogs are purposefully untouched
2008-01-29 20:24:24 -08:00
76164d7711
Rework compile-time evaluation of LT and GT
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There was much redundant code in the compile-tile handling of the
less-then and greater-then of constant expressions, and much of it
was buggy. Unify much of the code and squeeze out the bugs so that
compile-time evaluations come out correctly.
2008-01-23 20:43:13 -08:00
89bf16b21e
Signed-ness of parameters
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Propagate the signedness of named parameters when they are evaluated.
2008-01-22 20:16:43 -08:00
5b17f2039a
Fix bug in eval of <= compare
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The compiler attempts to precalculate the results of <= comparisons.
Fix a few corner cases where the arguments are signed. Also fix the
important test of constant against non-constant where we try to test
if the non-constant value can possibly make the test fail.
2008-01-21 22:05:50 -08:00
8ea3b6b0b8
header includes for gcc-4.3 compatibility
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minimal changes required to build without error
tested with gcc-4.3 (Debian 4.3-20071130-1) 4.3.0 20071130 (experimental)
2008-01-04 16:14:44 -08:00
7975e14b5c
LineInfo uses perm_string for path.
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Rework the handling of file names to use a perm_string heap to hold
the file names, instead of the custom file name heap in the lexor.
Also rename the get_line to get_fileline to reflect its real duties.
This latter chage touched a lot of files.
2007-12-20 12:31:01 -05:00
4c8a7b221c
Proper padding of constant bitwise operands
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When evaluating bitwise binary expressions at compile time, get the
signed/unsigned padding correct. Pay special attention to the case
of $signed/$unsigned changing the signedness of the operand.
2007-12-17 21:00:18 -08:00
bab9c7adba
Proper compile time processing of arithmetic right shift
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Handle arithmetic right shift during compile time. This comes
up with both the operands are constant expressions. the compiler
is able to evaluate this down to a constant to replace the
expression.
Signed-off-by: Stephen Williams <steve@icarus.com>
2007-11-08 21:52:38 -08:00
3b94c122b7
Constant concat operands are self determined
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distinguish between self-determined and value-preserving when
evaluating constants that are arguments to concatenations.
Signed-off-by: Stephen Williams <steve@icarus.com>
2007-08-09 22:08:54 -07:00
c7d97f4146
Properly evaluate scope path expressions.
2007-06-02 03:42:12 +00:00
1f9a246c6d
Fix warning (ldolittle)
2007-05-31 18:36:06 +00:00
33e5f22cf1
Handle evaluate of addition of real valued constants.
2007-04-07 04:46:18 +00:00
d9efe3312e
Limit the calculated widths of constants.
2007-03-08 05:30:02 +00:00
91d84e7dc7
Major rework of array handling. Memories are replaced with the
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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
ed5d3188b3
Fix padding of constant eval of NetESelect.
2006-11-04 06:16:27 +00:00
2302693201
Expression widths with unsized literals are pseudo-infinite width.
2006-10-30 05:44:49 +00:00
92cb1d4e2d
Use elab_and_eval for bit select expressions.
2006-09-19 23:00:15 +00:00
49b65e86fe
Add support for power in constant expressions.
2006-07-31 03:50:17 +00:00
5b3ba8c306
Properly handle signedness in compare.
2006-03-18 22:52:27 +00:00
908955c72c
Handle bit select of parameter with ranges.
2005-11-27 05:56:20 +00:00
c02b3b8ac6
Reorganize signal part select handling, and add support for
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indexed part selects.
Expand expression constant propagation to eliminate extra
sums in certain cases.
2005-11-10 13:28:11 +00:00
9fd16575d9
Support bool expressions and compares handle them optimally.
2005-09-14 02:53:13 +00:00
b9799cf6ec
Remove NetVariable and ivl_variable_t structures.
2005-07-11 16:56:50 +00:00
a79fee39e9
Watch out for signed constants in magnitude compare.
2005-06-17 05:05:53 +00:00
e4ae832153
Clean up spurious trailing white space.
2004-10-04 01:10:51 +00:00
d1dac0017d
Fix the evaluation of constant ternary expressions.
2004-09-10 23:51:42 +00:00
1295058e5d
parameter keys are per_strings.
2004-02-20 06:22:56 +00:00
7fd669fcc0
NetEUReduce has its own dup_expr method.
2003-10-31 02:47:11 +00:00
1c99c629b1
Support constant evaluation of binary ^ operator.
2003-10-26 04:54:56 +00:00
f495c75faf
Evaluate real parameter expressions that contain real parameters.
2003-09-04 01:52:50 +00:00
1a3a3fbcfa
Fix || with true case on the right.
2003-08-01 02:12:30 +00:00
21ff80075a
Various warnings fixed.
2003-06-24 01:38:02 +00:00
8352c91b0a
Evaluate <= with real operands.
2003-06-05 04:28:24 +00:00
d3daa997b5
internal error for <= expression errors.
2003-06-04 01:26:17 +00:00
5903f0744c
Support parameters in real expressions and
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as real expressions, and fix multiply and
divide with real results.
2003-05-30 02:55:32 +00:00
772a8b7dac
Handle real constants evaluation > and >=.
2003-04-15 05:06:56 +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
7a752bd111
More resilient WRT right expression width of GT.
2003-03-15 18:07:58 +00:00
1222153cdf
Keep parameter constants for the ivl_target API.
2003-03-10 23:40:53 +00:00
f8d1e15a27
NetEBDiv handles real value constant expressions.
2003-02-07 02:47:57 +00:00
e941e7e805
Spelling fixes.
2003-01-30 16:23:07 +00:00
8f0c02c0fa
Spelling fixes.
2003-01-27 05:09:17 +00:00
9f80ed32b6
Support bit select in constant expressions.
2002-12-05 02:14:33 +00:00
aa8869a3c7
Postpone parameter width check to evaluation.
2002-11-09 01:40:19 +00:00
43501809b1
Redo the parameter vector support to allow
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parameter names in range expressions.
2002-10-19 22:59:49 +00:00
52bf4e613f
conditional ident string using autoconfig.
2002-08-12 01:34:58 +00:00
6bd8ab46d5
Eval ^ and &0 expressions.
2002-05-25 16:43:47 +00:00
a3eb6868ea
Allow parameters in concatenation of widths are defined.
2002-05-06 02:30:27 +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
84020b16e3
Preserve stringiness string part select and concatenation.
2002-04-27 05:03:46 +00:00
Larry Doolittle
Stephen Williams
steve