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0189ba3793
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Author SHA1 Message Date
Neil Brown
0189ba3793 Began implementing the occam intrinsics (some of them, at least) in the C support header 2009-01-23 19:20:26 +00:00
Neil Brown
7337978dcf Added many more intrinsics to the list of occam intrinsics 2009-01-23 19:19:36 +00:00
Neil Brown
1410e80fb1 Added support for intrinsic functions with multiple return values 
Previously, such a function was an IntrinsicFunctionCall inside one expression of an ExpressionList, which the type-checker rejected.  I've had to add a new constructor to ExpressionList, and I've quickly hacked together the line in the C backend to make it work -- but it does seem to work.
 2009-01-23 18:58:52 +00:00
Neil Brown
91f004a197 Realised that with channel-ends for C++CSP, I want to use AltChanin everywhere, not Chanin 2009-01-23 18:10:51 +00:00
Neil Brown
fab6850041 Added code to infer the directions of undirected channel formals, where possible 
Fixes #24

I still need to do a little more, however, to pass my more elaborate examples in the test file.
 2009-01-23 15:59:02 +00:00
Neil Brown
c7931bf800 Added more tests ready for channel-end inference 2009-01-23 14:47:59 +00:00
Neil Brown
c2aaf2fcf7 Provided more helpful errors in the test harness when something is wrong 2009-01-23 14:42:46 +00:00
Neil Brown
d184721979 Added yet more tests for channel-ends 2009-01-21 00:00:31 +00:00
Neil Brown
16d8468b08 Added more channel end tests, involving abbreviations before use 2009-01-20 23:50:02 +00:00
Neil Brown
1adca155dd Added a file full of tests for inferring direction specifiers in PROC formals 2009-01-20 23:43:42 +00:00
Neil Brown
d806931fbf Revamped the TestHarness framework to allow multiple substitutions in a test prologue 2009-01-20 23:43:07 +00:00
Neil Brown
c8a8370636 Remove the comment about needing to add overflow checking 
Fixes #24

In that, it is the last patch in a series that fixed the lack of overflow checking in all the integer operations.
 2009-01-23 14:28:44 +00:00
Neil Brown
7457d894f8 Tweaked the C and C++ backends to take the replacement for Int from the TypeSizes module rather than calculate it locally 2009-01-23 15:52:28 +00:00
Neil Brown
9145c993ea Fixed the constant folding to use a type for Int based on the compilation target rather than just assuming Int32 
However, it is possible that there will still be a problem if the C and C++ compiler have different int sizes, because the constant folding has to know the type at compile time, and thus we have to arbitrarily choose to use the C version.  In future, we could perhaps swap all Ints for the appropriate substiution (e.g. Int64) at run-time, based on the flags and prior knowledge about C/C++ int sizes
 2009-01-23 15:50:06 +00:00
Neil Brown
2a8ee9a420 Fixed a bug in the constant folding, where anything divided by -1 was being evaluated to zero 2009-01-23 15:48:39 +00:00
Neil Brown
15a4a59bcf Stopped the pass that removes unused variables removing unused replicators 2009-01-23 14:24:44 +00:00
Neil Brown
732080557c Made the configure script check if certain GCC flags are supported before using them 2009-01-23 14:16:39 +00:00
Neil Brown
e71af91e48 Added unsigned tests to rangetest 2009-01-23 13:44:51 +00:00
Neil Brown
084fcad1fe Changed multiply back to the very simplest implementation 2009-01-23 13:36:09 +00:00
Neil Brown
ecf840fe9f Had a go at implementing checked-multiply differently, but the results worked out slower 2009-01-23 12:44:37 +00:00
Neil Brown
b7e296943a Made the commutative range-test also check if the values were correct (seemed easy enough) 2009-01-23 12:43:42 +00:00
Neil Brown
e001d9173c Defeated the GCC optimiser, to get a decent estimate of how slow multiplication is 2009-01-22 16:52:00 +00:00
Neil Brown
72a8824940 Had a go at implementing multiply overflow checking (with a single division, and pre-checks) 
I also added an occam testcase to help time the different between * and TIMES.  But gcc optimises out the loop with TIMES under -O2, and with -O0 there is a factor of four difference.
 2009-01-22 16:51:54 +00:00
Neil Brown
c9fa0f774c Added all the multiplication tests like the others (currently failing) 2009-01-22 13:18:58 +00:00
Neil Brown
e690f1c36d Added shift tests and simplified calling the ranged tests a little 2009-01-22 13:07:16 +00:00
Neil Brown
b08d48bd43 Added more remainder tests, and fixed our implementation of remainder to pass the tests 2009-01-22 12:58:53 +00:00
Neil Brown
226f8b4ac4 Added checks for division and remainder, and discovered some failing remainder tests 2009-01-22 12:49:47 +00:00
Neil Brown
98136367e0 Added tests for the occam support negation functions 2009-01-22 12:28:00 +00:00
Neil Brown
ef387ec748 Simplified the range test code 2009-01-22 11:59:40 +00:00
Neil Brown
5d404478f2 Added tests for occam's subtraction 2009-01-22 11:57:11 +00:00
Neil Brown
890b922f2b Combined the tests for addition in occam into a macro 2009-01-22 11:46:54 +00:00
Neil Brown
0d2ea4c920 Updated the code in light of the feedback from the GCC bug 2009-01-22 11:41:43 +00:00
Neil Brown
fdeab43b3c Added range checking for addition, subtraction, negation and division in the occam support headers 2009-01-22 11:26:06 +00:00
Neil Brown
1b51eb5d63 Added a C file of tests ready for the occam overflow checking 2009-01-22 11:25:50 +00:00
Neil Brown
8a559c4d07 Fixed the make clean rule to work when there isn't anything to clean (not totally confident it's portable though) 2009-01-21 17:37:32 +00:00
Neil Brown
1f4796e07f Fixed all the tests to reflect the new channel-end system, such that they all pass again 
This is the last patch (for now) of the set implementing the new channel-end system
 2009-01-20 17:41:44 +00:00
Neil Brown
492091030d Fixed the C and C++ backends to work with the new channel-end system 2009-01-20 17:41:25 +00:00
Neil Brown
8bae96f34e Took care of directed arrays in the passes that generate _sizes arrays 2009-01-20 17:38:18 +00:00
Neil Brown
cc70438c1b Added a pass to remove unneeded directions, i.e. c! where c is already an output end 2009-01-20 17:36:40 +00:00
Neil Brown
c6959ac854 Stopped removeDirections operating on the C++ backend, where we actually want to keep the directions 2009-01-20 17:36:02 +00:00
Neil Brown
0b75720e2e Fixed the TLP mechanisms to work with the new channel-end system 2009-01-20 17:35:31 +00:00
Neil Brown
766cb09dcf Changed pullUp to pull up channel arrays that have direction specifiers applied to the whole array 
For example, a call like foo(6, cs!) will have cs! pulled up, iff cs was of type CHAN X.  If cs was of type CHAN! X, nothing is done (and the needless direction will be removed later on).
 2009-01-20 17:33:24 +00:00
Neil Brown
a416f7dac9 Fixed the occam type-checker to work with the new channel-ends, adding direction specifiers where necessary 
In actual parameters (checking against the formal type), abbreviations (checking against the inferred/specified destination type), and inputs (including inside ALTs) and outputs, direction specifiers are automatically added where needed.  With all the other changes, this seems to compile all the occam 2 cgtests, and cgtest87 (which tests directions) as well as Adam's tests so I'm fairly confident that it was the right thing to do.
 2009-01-20 17:30:17 +00:00
Neil Brown
4d692c8897 Fixed the occam and Rain parsers to work with the new channel-ends 
For now, I have fixed the occam parser so that it allows 1 or more direction specifiers after channel names.  So c?? is valid, and should end up being equivalent to c?, but this may need altering later.
 2009-01-20 17:28:57 +00:00
Neil Brown
de80ab467e Fixed the common Types module to work with the new channel-ends 2009-01-20 17:27:37 +00:00
Neil Brown
336c5abe3c Fixed the ShowCode module to work with the new channel-ends 2009-01-20 17:27:10 +00:00
Neil Brown
541f7c1421 Turned the Chan type into a Chan type for full channels and a ChanEnd type for the directed ends 
This is the first patch in the series of many that implement this change throughout Tock.

Fixes #70.
 2009-01-20 17:25:19 +00:00
Neil Brown
2137be190b Added a PassMaker function for use when something should only be used with occam and the CCSP backend 2009-01-20 17:24:01 +00:00
Neil Brown
8487af3b4c Added some functions to the C++ support header to aid turning an array of channels into an array of channel-ends 2009-01-20 17:23:10 +00:00
Neil Brown
ee856a0d39 Made the usage checking check if a name was marked by a SHARED pragma before issuing an error 2009-01-19 15:11:42 +00:00