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Bitwise operators on integers.

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This commit is contained in:
Adrien Guatto 2011-12-05 17:10:02 +01:00
parent f077d41e09
commit 1ec15b9409
4 changed files with 12 additions and 1 deletions
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3
compiler/global/static.ml
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@ -92,10 +92,13 @@ let apply_op partial loc op se_list =
| ">=", [Sint n1; Sint n2] -> Sbool (n1 >= n2)
| "<", [Sint n1; Sint n2] -> Sbool (n1 < n2)
| ">", [Sint n1; Sint n2] -> Sbool (n1 > n2)
| ">>>", [Sint n1; Sint n2] -> Sint (n1 lsr n2)
| "<<<", [Sint n1; Sint n2] -> Sint (n1 lsl n2)
| "&", [Sbool b1; Sbool b2] -> Sbool (b1 && b2)
| "or", [Sbool b1; Sbool b2] -> Sbool (b1 || b2)
| "not", [Sbool b] -> Sbool (not b)
| "~-", [Sint n] -> Sint (-n)
| "~~", [Sint n] -> Sint (lnot n)
| "~-.", [Sfloat f] -> Sfloat (-. f)
| f,_ -> Misc.internal_error ("Static evaluation failed of the pervasive operator "^f)
)

4
compiler/obc/c/cgen.ml
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@ -109,6 +109,7 @@ let copname = function
| "+." -> "+" | "-." -> "-" | "<" -> "<" | ">" -> ">" | "<=" -> "<="
| ">=" -> ">=" | "<=." -> "<=" | "<." -> "<" | ">=." -> ">=" | ">." -> ">"
| "~-" -> "-" | "not" -> "!" | "%" -> "%"
| ">>>" -> ">>" | "<<<" -> "<<"
| op -> op
(** Translates an Obc var_dec to a tuple (name, cty). *)
@ -267,12 +268,13 @@ and cop_of_op_aux op_name cexps = match op_name with
| { qual = Pervasives; name = op } ->
begin match op,cexps with
| ("~-" | "~-."), [e] -> Cuop ("-", e)
| ("~~"), [e] -> Cuop ("~", e)
| "not", [e] -> Cuop ("!", e)
| (
"=" | "<>"
| "&" | "or"
| "+" | "-" | "*" | "/"
| "*." | "/." | "+." | "-." | "%"
| "*." | "/." | "+." | "-." | "%" | "<<<" | ">>>"
| "<" | ">" | "<=" | ">=" | "<=." | "<." | ">=." | ">."), [el;er] ->
Cbop (copname op, el, er)
| _ -> Cfun_call(op, cexps)

3
compiler/obc/java/java_printer.ml
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@ -113,6 +113,9 @@ and op ff (f, e_l) =
| "/." -> "/"
| "+." -> "+"
| "-." -> "-"
| "~~" -> "~"
| "<<<" -> "<<"
| ">>>" -> ">>"
| op -> op
in
match Names.modul f with

3
lib/pervasives.epi
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@ -27,6 +27,9 @@ val fun (not)(bool) returns (bool)
val fun (or)(bool;bool) returns (bool)
val fun (xor)(bool;bool) returns (bool)
val fun (~-)(int) returns (int)
val fun (~~)(int) returns (int)
val fun (>>>)(int;int) returns (int)
val fun (<<<)(int;int) returns (int)
val fun (~-.)(float) returns (float)
val fun do_stuff(int) returns (int)
val fun between(int;int) returns (int)