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Added the definitions of most of the intrinsics from the occam 2.1 manual (but not yet the implementations)

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Neil Brown 2009-01-25 18:54:57 +00:00
parent 0189ba3793
commit c19039e90e
1 changed files with 49 additions and 6 deletions
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55
common/Intrinsics.hs
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@ -24,7 +24,7 @@ import qualified AST as A
intrinsicFunctions :: [(String, ([A.Type], [(A.Type, String)]))]
intrinsicFunctions =
[ -- Multiple length arithmetic functions
-- Appendix L of the occam 2 manual
-- Appendix L of the occam 2 manual (and section J.1)
("ASHIFTLEFT", ([A.Int], [(A.Int, "argument"), (A.Int, "places")]))
, ("ASHIFTRIGHT", ([A.Int], [(A.Int, "argument"), (A.Int, "places")]))
, ("LONGADD", ([A.Int], [(A.Int, "left"), (A.Int, "right"), (A.Int, "carry.in")]))
@ -40,12 +40,55 @@ intrinsicFunctions =
, ("SHIFTRIGHT", ([A.Int, A.Int], [(A.Int, "hi.in"), (A.Int, "lo.in"), (A.Int, "places")]))
-- IEEE floating point arithmetic
-- Appendix M of the occam 2 manual
, ("REAL32OP", ([A.Real32], [(A.Real32, "X"), (A.Int, "Op"), (A.Real32, "Y")]))
-- Appendix M of the occam 2 manual (and section J.3)
] ++ concatMap doubleD [
("IEEECOMPARE", ([A.Int], [(A.Real32, "X"), (A.Real32, "Y")]))
] ++ concatMap doubleNum [
("IEEE32OP", ([A.Bool, A.Real32], [(A.Real32, "X"), (A.Int, "Rm"), (A.Int, "Op"), (A.Real32, "Y")]))
, ("IEEE32REM", ([A.Bool, A.Real32], [(A.Real32, "X"), (A.Real32, "Y")]))
, ("REAL32EQ", ([A.Bool], [(A.Real32, "X"), (A.Real32, "Y")]))
, ("REAL32GT", ([A.Bool], [(A.Real32, "X"), (A.Real32, "Y")]))
, ("REAL32OP", ([A.Real32], [(A.Real32, "X"), (A.Int, "Op"), (A.Real32, "Y")]))
, ("REAL32REM", ([A.Real32], [(A.Real32, "X"), (A.Real32, "Y")]))
, ("SQRT", ([A.Real32], [(A.Real32, "value")]))
, ("DSQRT", ([A.Real64], [(A.Real64, "value")]))
]
-- Floating point functions
-- Appendix K of the occam 2 manual (and section J.2)
] ++ [
("ARGUMENT.REDUCE", ([A.Bool, A.Int32, A.Real32], [(A.Real32, "X"), (A.Real32, "Y"), (A.Real32, "Y.err")]))
, ("DARGUMENT.REDUCE", ([A.Bool, A.Int32, A.Real64], [(A.Real64, "X"), (A.Real64, "Y"), (A.Real64, "Y.err")]))
] ++ concatMap doubleD [
simple "ABS"
, ("COPYSIGN", ([A.Real32], [(A.Real32, "X"), (A.Real32, "Y")]))
, simple "DIVBY2"
, ("FLOATING.UNPACK", ([A.Int, A.Real32], [(A.Real32, "X")]))
, simple "FPINT"
, query "ISNAN"
, simple "LOGB"
, simple "MINUSX"
, simple "MULBY2"
, ("NEXTAFTER", ([A.Real32], [(A.Real32, "X"), (A.Real32, "Y")]))
, query "NOTFINITE"
, ("ORDERED", ([A.Bool], [(A.Real32, "X"), (A.Real32, "Y")]))
, ("SCALEB", ([A.Real32], [(A.Real32, "X"), (A.Int, "n")]))
, simple "SQRT"
]
where
query n = (n, ([A.Bool], [(A.Real32, "X")]))
simple n = (n, ([A.Real32], [(A.Real32, "X")]))
doubleNum orig@(n, (rs, ps)) = [orig, (map rep n, (map dt rs, zip (map (dt . fst) ps) (map snd ps)))]
where
rep '3' = '6'
rep '2' = '4'
rep c = c
doubleD orig@(n, (rs, ps)) = [orig, ("D"++n, (map dt rs, zip (map (dt . fst) ps) (map snd ps)))]
dt :: A.Type -> A.Type
dt A.Real32 = A.Real64
dt A.Int32 = A.Int64
dt t = t
intrinsicProcs :: [(String, [(A.AbbrevMode, A.Type, String)])]
intrinsicProcs =