0456a1b339
Use movi to load string values.
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String values are known to be 2-value bits, so they are natural
candidates for using the movi instruction to load the value in
far fewer instructions. With this patch, up to 16bits (two bytes)
at a time can be loaded per instruction.
Signed-off-by: Stephen Williams <steve@icarus.com>
2007-11-13 21:14:07 -08:00
5d750b7779
Optomize runtime using immediate compare
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Implement compare-immediate instructions and generate code to use
these new instructions to improve runtime performance.
Signed-off-by: Stephen Williams <steve@icarus.com>
2007-10-03 20:58:40 -07:00
ae82eccdc4
handle constant inf values.
2007-06-12 02:36:58 +00:00
0a38499941
Properly handle signed conversion to real
2007-06-07 03:20:15 +00:00
9931e4c013
Finish up part select of array words.
2007-04-14 04:43:01 +00:00
611d2c81b3
Spelling fixes from Larry
2007-03-22 16:08:14 +00:00
4f74d9df98
Add the mov/wr opcode.
2007-02-14 05:58:14 +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
26e2e85ffa
Handle non-constant delays on indexed non-blocking assignments.
2006-10-05 01:23:53 +00:00
50800fd3a1
Add support for real valued modulus.
2006-08-09 05:19:08 +00:00
d434dd7296
Allow part selects of memory words in l-values.
2006-02-02 02:43:57 +00:00
2b8fd28a95
Force instruction that can be indexed.
2005-11-26 17:16:05 +00:00
be73be8c98
Spelling patches from Larry.
2005-09-19 21:45:35 +00:00
988a0a7048
Add the load/v.p instruction.
2005-09-17 04:01:01 +00:00
65584e6dde
Add word integer compares.
2005-09-14 02:50:07 +00:00
cd14ee77ae
Add the assign_v0_d instruction.
2005-06-14 01:44:09 +00:00
037ab9efe9
Document real behavior of set/v instruction.
2005-05-17 20:54:00 +00:00
5277124c76
Implement non-blocking part assign.
2005-05-07 03:15:42 +00:00
d8a456bd67
The indexed set can write a vector, not just a bit.
2005-03-22 05:18:34 +00:00
85286cc086
Rearrange how memories are supported as vvp_vector4 arrays.
2005-03-03 04:33:10 +00:00
c5e7e2ec0a
Signals may receive part vectors from %set/x0
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instructions. Re-implement the %set/x0 to do
just that. Remove the useless %set/x0/x instruction.
2005-02-14 01:50:23 +00:00
1d1dda5a5d
Implement the %load/x instruction.
2005-01-22 00:58:22 +00:00
26d97558c4
Replace single release with release/net and release/reg.
2004-12-17 04:47:47 +00:00
78dda42493
Add the force/v instruction.
2004-12-15 17:17:42 +00:00
65e9b6be12
Rework of internals to carry vectors through nexus instead
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of single bits. Make the ivl, tgt-vvp and vvp initial changes
down this path.
2004-12-11 02:31:25 +00:00
050ec6f325
Add signed modulus operator.
2004-06-19 15:52:53 +00:00
a7ae8adf9b
Support delayed/non-blocking assignment to reals and others.
2004-05-19 03:26:24 +00:00
71a404a546
Add arithmetic shift operators.
2003-06-18 03:55:18 +00:00
e157b3f9c5
Add the set/x0/x instruction.
2003-05-26 04:44:54 +00:00
4b543de7f9
Add support for division of real operands.
2003-03-28 02:33:56 +00:00
aa3297a925
Add the cvt/vr instruction.
2003-02-27 20:36:29 +00:00
b726395d1e
Spelling fixes.
2003-02-09 23:33:26 +00:00
dd56d9a17c
Add the %sub/wr instruction.
2003-02-06 17:41:47 +00:00
7de4108bad
Add %cvt/ir and %cvt/ri instructions, and support
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real values passed as arguments to VPI tasks.
2003-01-26 18:16:22 +00:00
9a5a00f836
Add thread word array, and add the instructions,
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%add/wr, %cmp/wr, %load/wr, %mul/wr and %set/wr.
2003-01-25 23:48:05 +00:00
03afbf157b
%set/x0 instruction to support bounds checking.
2002-11-21 22:43:13 +00:00
1b84893ccb
Add the %assign/v0 instruction.
2002-11-08 04:59:57 +00:00
d7ae85a13a
Add vector set and load instructions.
2002-11-07 02:32:39 +00:00
3d3116d48b
Add support for binary NOR operator.
2002-09-18 04:29:55 +00:00
dac99b9374
Add support for binary nand operator.
2002-09-12 15:49:43 +00:00
cbca31555d
Add the %subi instruction, and use it where possible.
2002-08-28 18:38:07 +00:00
1db8319bce
Add the %load/nx opcode to index vpi nets.
2002-08-28 17:15:06 +00:00
aa390f2a91
Fix l-value indexing of memories and vectors so that
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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
985c34bfd9
Fix behavioral eval of x?a:b expressions.
2002-08-22 03:38:40 +00:00
1ce50993f0
Add the %muli instruction.
2002-05-31 20:04:22 +00:00
b6b364a09d
Add %addi, which is faster to simulate.
2002-05-29 16:29:34 +00:00
52ea13819a
Add the assign/d instruction for computed delays.
2002-04-21 22:29:49 +00:00
eb27dc8db3
Support signed integer division.
2002-04-14 18:41:34 +00:00
b906f4c0a1
Handle x in l-value of set/x
2002-01-26 02:08:07 +00:00
82c0a2ebac
Add force/cassign/release/deassign support. (Stephan Boettcher)
2001-11-01 03:00:19 +00:00
Stephen Williams
steve