Commit Graph

7753 Commits

Author SHA1 Message Date
Stephen Williams 2aeb3871ed Merge branch 'master' into vec4-stack
This was a challenging merge...
Conflicts:
	elab_scope.cc
	synth2.cc
	tgt-vvp/eval_expr.c
	vvp/vthread.cc
2014-11-13 16:26:15 -08:00
Stephen Williams ea21fb856e Mux with default, handle possible large selector. 2014-11-09 16:49:21 -08:00
Martin Whitaker 754899c99e Make asynchronous case statement synthesis more robust.
Added various error/warning messages for behaviour not supported
in synthesis. Also give correct behaviour when multiple case item
expressions evaluate to the same constant value.
2014-11-09 20:20:03 +00:00
Cary R 4e94b81a4b On a 32 bit system you can print a 32 bit value as a long (verinum) 2014-11-05 14:43:58 -08:00
Cary R 6948c27c2d Enumerations are compatible if their type definitions match. 2014-11-04 15:05:49 -08:00
Cary R 2e9c4cde55 More refined check for enumeration width and constant width 2014-11-04 12:10:38 -08:00
Cary R 2e8c4e3dbc Basic patch from github #44 2014-11-04 11:39:01 -08:00
Cary R cc9fcfd13d Only a literal constant size has to match the enumeration width. 2014-11-03 19:46:10 -08:00
Cary R 4660e0bf2f Another tweak to the enumeration elaboration code 2014-11-02 20:26:36 -08:00
Cary R 1e7509a021 Update enumeration elaboration checks 2014-11-02 11:45:19 -08:00
Martin Whitaker c2e53f0d63 Fix for br963 - vvp qpop instructions need to call thr_check_addr. 2014-11-02 15:36:52 +00:00
Martin Whitaker f171161822 Fix for br962 - pop from dynamic array is not padded to correct width.
When the expression width is greater than the dynamic array width,
we need to generate code to pad the popped value to the correct
width.
2014-11-02 15:26:15 +00:00
Martin Whitaker 0237297e93 Added pruning of case statement expressions.
When unsized literals are used in case item expressions, it is likely
that the calculated expression width will be larger than necessary to
unambiguously select the correct case item (particularly when using
"strict" expression elaboration). This patch adds an optimisation
step that prunes the expressions to the minimum necessary width.
2014-11-02 13:02:57 +00:00
Martin Whitaker e38b5d9fb7 Eliminate unnecessary rerun of test_width in case statement elaboration.
Also fix a typo in a comment.
2014-11-02 13:02:57 +00:00
Stephen Williams d5123011b3 Merge branch 'master' into vec4-stack
Conflicts:
	elab_scope.cc
2014-11-01 14:57:05 -07:00
Cary R 9a471bd81c Don't crash if there are problems elaborating an enumeration. 2014-10-31 20:08:05 -07:00
Cary R 632e15a55c Catch enumerations with the same name. 2014-10-31 20:06:28 -07:00
Cary R d4313dad75 Merge branch 'master' of github.com:steveicarus/iverilog 2014-10-31 18:09:29 -07:00
Cary R c25538d750 Pass the integer type for enumerations to the IVL target stage 2014-10-31 18:09:19 -07:00
Martin Whitaker 871d447ff7 Reinstate error recovery for range expressions.
If an error is found whilst elaborating a range expression in a signal
declaration, create a dummy range and continue elaboration. This stops
the compiler reporting an error every time that signal is referenced.
2014-10-31 21:42:23 +00:00
Martin Whitaker b286b76134 Fix null pointer dereference in pform debug output. 2014-10-31 18:40:51 +00:00
Cary R 4f62a0d1f2 Check enum trimmed bits for values with undefined bits
If an enumeration constant has undefined bits then we need to verify that
the bits that are trimmed match the MSB of the remaining bits.
2014-10-30 19:54:38 -07:00
Cary R e7df9774aa When comparing that an enumeration is in range cast the value to 2-state
When checking that an enumeration value is in range we need to cast it to
a 2-state value so that when we compare it we get a true or false value
instead of an undefined value. Undefined bits in the comparison return
undefined which is not logically false.
2014-10-30 18:23:47 -07:00
Cary R 08afbde08d Update cppcheck suppression file for tgt-vlog. 2014-10-30 18:23:39 -07:00
Martin Whitaker 7ab0824adf Fix for br961 - function return type elaborated in wrong scope.
The return type of a function should be elaborated in the context of
the enclosing scope, not in the context of the function itself.
2014-10-30 21:09:17 +00:00
Martin Whitaker 7fad4779c5 Add error recovery when elaboration of a type range fails.
If elaboration of the msb or lsb expression in the range of a vector
type specification failed (due to an error in the Verilog code being
compiled), an assertion failure was being triggered when the compiler
attempted to evaluate the expressions. Bypassing the evaluation (and
using a default value) should allow us to recover from the error.
2014-10-30 20:42:12 +00:00
Stephen Williams 8ac06fb63f Support vpiObjTypeVal for vec4Stack values.
Also allow vpi_get_value outside of scope. (Return 'x)
2014-10-25 20:38:39 -07:00
Stephen Williams 4e727adc25 Merge branch 'master' into vec4-stack 2014-10-25 09:49:39 -07:00
Stephen Williams 3e9c14060f lexor handles arbitrary length defines in the precompiled_defiles file. 2014-10-25 09:48:11 -07:00
Stephen Williams 702a8c3a05 Merge branch 'master' into vec4-stack 2014-10-24 15:17:31 -07:00
Stephen Williams 48d3972299 Remove a bunch of dead vvp opcodes. 2014-10-24 15:13:28 -07:00
Stephen Williams 62fce50f8c Remove dead code for allocate_vec handling. 2014-10-24 13:07:53 -07:00
Stephen Williams e4b862f3d1 Clean up vector handling dead code. 2014-10-24 11:17:36 -07:00
Stephen Williams 09d3a5de59 Port %pushv/str to vec4-stack style. 2014-10-24 10:16:35 -07:00
Stephen Williams 97bde47c31 Remove dead %set/dar and %set/dar/obj instructions. 2014-10-24 10:03:22 -07:00
Stephen Williams 1c80c6e37a Remove dead stuff_ok_flags from draw_eval_vec4 functions. 2014-10-24 09:32:32 -07:00
Stephen Williams 4588f7c615 vec4 stack versions of queue pop methods. 2014-10-24 09:03:20 -07:00
Cary R 006aef93d0 Fix a reference to an undefined element. 2014-10-23 16:56:13 -07:00
Stephen Williams 24b8752475 More cases where %store/prop/v takes a width. 2014-10-22 16:15:10 -07:00
Stephen Williams 3ddcf03764 Kill some eval_vec4.c warnings. 2014-10-22 13:01:25 -07:00
Stephen Williams 35f5d51028 Support testing nul for property that is an object. 2014-10-22 12:58:50 -07:00
Stephen Williams 87c019c65c Merge branch 'master' into vec4-stack 2014-10-21 12:19:40 -07:00
Stephen Williams 69a1fecd2e Handle arrays of object is comparison with null. 2014-10-21 11:47:22 -07:00
Stephen Williams 9964d67e5e Implicit crop of vectors assigned to vector properties.
The %store/prop/v takes a width so that it is guaranteed that
all assignments to a vector property will get the size right.
2014-10-21 11:46:59 -07:00
Stephen Williams a98f21aa65 Merge branch 'master' into vec4-stack
Conflicts:
	elab_lval.cc
	netmisc.cc
	tgt-vvp/eval_object.c
	tgt-vvp/vvp_process.c
	vvp/codes.h
	vvp/compile.cc
	vvp/opcodes.txt
	vvp/vpi_tasks.cc
	vvp/vpi_vthr_vector.cc
	vvp/vthread.cc
2014-10-21 09:12:02 -07:00
Cary R a63ca15735 Add support for putting a single delay from the VPI 2014-10-18 18:27:39 -07:00
Stephen Williams d139142c29 Merge pull request #47 from orsonmmz/concat
Expression concatenation in VHDL
2014-10-18 15:13:50 -07:00
Cary R af85d44d9f Add support for putting three and six delays from the VPI 2014-10-17 20:06:01 -07:00
Cary R c5e0507941 Fix the modpath edge and vpi_put_delay() code
The code to get the correct modpath delay for a given edge had the X and Z
entries swapped.

When putting a delay from the VPI the 2 delay to twelve delay mapping was
incorrect and the to/from X delays were also not being calculated correctly.
2014-10-17 19:42:55 -07:00
Maciej Suminski c55a013162 vhdlpp: Support for integer() function.
Note: I could not find any info about the integer() function, but it is
used in the VHDL standard packages (e.g. math_real, see:
http://www.csee.umbc.edu/portal/help/VHDL/packages/mathpack.vhd)
Real numbers are rounded, this is compatible with ModelSim behavior.
2014-10-17 14:53:59 +02:00