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197 Commits

Author SHA1 Message Date
steve 9a5a00f836 Add thread word array, and add the instructions, 
%add/wr, %cmp/wr, %load/wr, %mul/wr and %set/wr.
 2003-01-25 23:48:05 +00:00
steve aa3a6dba4e Schedule wait lists of threads as a single event, 
to save on events. Also, improve efficiency of
 event_s allocation. Add some event statistics to
 get an idea where performance is really going.
 2003-01-06 23:57:26 +00:00
steve 8e30bc9f9e Careful of left operands to shift that are constant. 2002-11-22 00:01:50 +00:00
steve 03afbf157b %set/x0 instruction to support bounds checking. 2002-11-21 22:43:13 +00:00
steve 1b84893ccb Add the %assign/v0 instruction. 2002-11-08 04:59:57 +00:00
steve b0a7909162 functor_set takes bit and strength, not 2 strengths. 2002-11-07 03:11:43 +00:00
steve d7ae85a13a Add vector set and load instructions. 2002-11-07 02:32:39 +00:00
steve 4e5dd49a37 Fix mask calculate when MOV_b is right on the word boundary. 2002-11-05 03:46:44 +00:00
steve 7557a46382 Remove some now useless asserts. 2002-09-21 23:47:30 +00:00
steve acd5e86e04 Fix disable in arbitrary fork/join situations. 2002-09-21 04:55:00 +00:00
steve ab94b0a636 disable threads with children. 2002-09-20 03:59:34 +00:00
steve 3d3116d48b Add support for binary NOR operator. 2002-09-18 04:29:55 +00:00
steve dac99b9374 Add support for binary nand operator. 2002-09-12 15:49:43 +00:00
steve cbca31555d Add the %subi instruction, and use it where possible. 2002-08-28 18:38:07 +00:00
steve 1db8319bce Add the %load/nx opcode to index vpi nets. 2002-08-28 17:15:06 +00:00
steve aa390f2a91 Fix l-value indexing of memories and vectors so that 
an unknown (x) index causes so cell to be addresses.

 Fix tangling of label identifiers in the fork-join
 code generator.
 2002-08-27 05:39:57 +00:00
steve 985c34bfd9 Fix behavioral eval of x?a:b expressions. 2002-08-22 03:38:40 +00:00
steve ac21d96bd8 x in index values leads to 0. 2002-08-18 01:05:50 +00:00
steve 52bf4e613f conditional ident string using autoconfig. 2002-08-12 01:34:58 +00:00
steve d68153dea3 Add %cmpi/u instruction. 2002-06-02 18:55:58 +00:00
steve 1ce50993f0 Add the %muli instruction. 2002-05-31 20:04:22 +00:00
steve af6f0c800f Slight improvement in %mov performance. 2002-05-31 04:09:58 +00:00
steve 48f65cef40 Word oriented bit storage. 2002-05-31 00:05:49 +00:00
steve b6b364a09d Add %addi, which is faster to simulate. 2002-05-29 16:29:34 +00:00
steve bcd49b94dd Able to disable thread self. 2002-05-27 00:53:10 +00:00
steve d63e994ea5 Detect long division by zero. 2002-05-24 04:55:13 +00:00
steve cfab250671 Add callbacks for vpiNamedEvent objects. 2002-05-19 05:18:16 +00:00
steve 94cef20e49 task calls and forks push the thread event in the queue. 2002-05-12 23:44:41 +00:00
steve 52ea13819a Add the assign/d instruction for computed delays. 2002-04-21 22:29:49 +00:00
steve eb27dc8db3 Support signed integer division. 2002-04-14 18:41:34 +00:00
steve de252965ac Add the .ufunc statement. 2002-03-18 00:19:34 +00:00
steve b906f4c0a1 Handle x in l-value of set/x 2002-01-26 02:08:07 +00:00
steve a3fe753826 Account for negatives in cmp/s 2001-12-31 00:01:16 +00:00
steve bf9a8f5021 Code rearrange. (Stephan Boettcher) 2001-11-06 03:07:21 +00:00
steve 82c0a2ebac Add force/cassign/release/deassign support. (Stephan Boettcher) 2001-11-01 03:00:19 +00:00
steve a75326e2e0 Rewrite the functor type to have fewer functor modes, 
and use objects to manage the different types.
 (Stephan Boettcher)
 2001-10-31 04:27:46 +00:00
steve 4e92501864 VPI support for callback to return values. 2001-10-25 04:19:53 +00:00
steve 2adea8de48 Fix carry between works for %add instruction. 2001-10-23 03:49:13 +00:00
steve 56954356db Catch and X division by 0. 2001-10-20 23:20:32 +00:00
steve a3217db7b2 Add %div support (Anthony Bybell) 2001-10-16 01:26:54 +00:00
steve 2fcab15704 Forgot to propagate carry. 2001-10-14 17:36:18 +00:00
steve cfbad49d33 Very wide multiplication (Anthony Bybell) 2001-10-14 16:36:43 +00:00
steve b2b8b89cd8 Make configure detect malloc.h 2001-09-15 18:27:04 +00:00
steve 0c5ce9dfec Redo of_SUBU in a more obvious algorithm, that 
is not significantly slower. Also, clean up the
 implementation of %mov from a constant.

 Fix initial clearing of vector by vector_to_array
 2001-09-07 23:29:28 +00:00
steve c29e11ed36 Add the assign/x0 and set/x opcodes. 2001-08-26 22:59:32 +00:00
steve c8135595be signed/unsigned warnings? 2001-08-08 00:53:50 +00:00
steve 54140dadcf Add the load/x instruction for bit selects. 2001-07-22 00:04:50 +00:00
steve 0bd6cf7b6f Fix of_END when a middle thread ends. 2001-07-20 04:57:00 +00:00
steve e773ccfe49 Add support for the delayx opcode. 2001-07-19 04:40:55 +00:00
steve ab5cad18de Relax limit on behavioral subtraction. 2001-07-04 04:57:10 +00:00
steve baac893d22 Support non-const right shift (unsigned). 2001-06-30 21:07:26 +00:00
steve a2d465804f Add the %shiftl/i0 instruction. 2001-06-23 18:26:26 +00:00
steve 1f1bfd0eab Infinitely wide behavioral add. 2001-06-22 00:03:05 +00:00
steve 4159c98c58 More behavioral unary reduction operators. 
(Stephan Boettcher)
 2001-06-18 01:09:32 +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 19251f7a79 Propagate strength-values instead of drive strengths. 2001-05-30 03:02:35 +00:00
steve 39ffe91230 Add behavioral modulus. 2001-05-24 04:20:10 +00:00
steve e6f1510a40 Make vthread_put_but expand the space if needed. 2001-05-20 00:56:48 +00:00
steve 44a182d92c VVP support for memories in expressions, 
including general support for thread bit
 vectors as system task parameters.
 (Stephan Boettcher)
 2001-05-10 00:26:53 +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 2e12635494 Add to the debugger the ability to view and 
break on functors.

 Add strengths to functors at compile time,
 and Make functors pass their strengths as they
 propagate their output.
 2001-05-08 23:32:26 +00:00
steve e328cf9fed Add the %ix/get instruction. (Stephan Boettcher) 2001-05-06 17:42:22 +00:00
steve de5930f7d8 Add the beginnings of an interactive debugger. 2001-05-05 23:55:46 +00:00
steve a225fe304d Document memory related opcodes, 
parser uses numbv_s structures instead of the
 symbv_s and a mess of unions,
 Add the %is/sub instruction.
       (Stephan Boettcher)
 2001-05-02 23:16:50 +00:00
steve 06437b7fba Support behavioral subtraction. 2001-05-02 01:57:25 +00:00
steve 28278d3c09 initialize is_schedule. 2001-05-02 01:37:38 +00:00
steve 2bf7653ab9 Implement %ix/load. 2001-05-01 05:00:02 +00:00
steve 8b4befd4fc Add support for memory objects. (Stephan Boettcher) 2001-05-01 01:09:39 +00:00
steve 66f83f3b08 Working %disable and reap handling references from scheduler. 2001-04-21 00:34:39 +00:00
steve 57cd770650 %end complete the %join for the parent. 2001-04-18 05:04:19 +00:00
steve 9e8005f7b7 Put threads into scopes. 2001-04-18 04:21:23 +00:00
steve 41ce198a1f add XOR support. 2001-04-15 16:37:48 +00:00
steve 05e30ed43b Add support for behavioral xnor. 2001-04-15 04:07:56 +00:00
steve e1a4b457c2 Initialize the waiting_for_event member. 2001-04-14 05:10:05 +00:00
steve 86e18226eb More complete reap of all threads. 2001-04-13 03:55:18 +00:00
steve 898639d7bf Get signed compares working correctly in vvp. 2001-04-05 01:12:27 +00:00
steve 9d2e22576e support functor_set push for blocking assignment. 2001-04-03 03:18:34 +00:00
steve bf30a0bc07 Add the reduction nor instruction. 2001-04-01 22:25:33 +00:00
steve c4e438d4ba Implement the less-then and %or instructions. 2001-04-01 07:22:08 +00:00
steve 5769bbe15e Add the bitwise %and instruction. 2001-04-01 06:12:13 +00:00
steve 29a50a52ca Implement %cmp/x and %cmp/z instructions. 2001-04-01 04:34:28 +00:00
steve 2f1d258acb Add the jmp/1 instruction. 2001-03-31 17:36:02 +00:00
steve 4a058632b2 Add the ADD instrunction. 2001-03-31 01:59:58 +00:00
steve 386958f9a0 Add fork and join instructions. 2001-03-30 04:55:22 +00:00
steve 609d5fe727 Support named events as mode 2 functors. 2001-03-29 03:46:36 +00:00
steve 79ce94b585 Add the .event statement and the %wait instruction. 2001-03-26 04:00:39 +00:00
steve c6088c8820 Add JMP0XZ and postpone net inputs when needed. 2001-03-25 03:54:26 +00:00
steve c901945871 eq is x if either value of cmp/u has x or z. 2001-03-23 04:56:03 +00:00
steve e71ea8c9de Support set of functors from thread bits. 2001-03-23 01:53:46 +00:00
steve b2a136e07e Handle vectors pulled out of a constant bit. 2001-03-23 01:11:06 +00:00
steve aacce5ef1b implement %load, %inv, %jum/0 and %cmp/u 2001-03-22 05:08:00 +00:00
steve 52c7108782 Add support for variable vectors. 2001-03-20 06:16:23 +00:00
steve f8c3b84f68 Add support for the vpiReset sim control. 2001-03-19 01:55:38 +00:00
steve f2c1902984 Add structures for VPI support, and all the %vpi_call 
instruction. Get linking of VPI modules to work.
 2001-03-16 01:44:34 +00:00
steve 970ba895c9 Compact the vvp_code_s structure. 2001-03-11 23:06:49 +00:00
steve cbc3be0304 Functor values and propagation. 2001-03-11 22:42:11 +00:00
steve cb65ee5e00 Add the vvp engine to cvs. 2001-03-11 00:29:38 +00:00