diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-02 07:40:56 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-02 07:40:56 +0000 |
| commit | 3fb4ee15ed74c55923fe702a130d77120a471ca3 (patch) | |
| tree | d315dcd8e4338ee2dbc8643473021b6e38fb51c9 /cfrontend/PrintCsyntax.ml | |
| parent | 551b52e3b0ddc7a06358f1246b448664a59c86b4 (diff) | |
Add "fabs" (floating-point absolute value) as a unary operator in
Clight and C#minor. Recognize __builtin_fabs and turn it into this operator.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1329 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'cfrontend/PrintCsyntax.ml')
| -rw-r--r-- | cfrontend/PrintCsyntax.ml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cfrontend/PrintCsyntax.ml b/cfrontend/PrintCsyntax.ml index ebeda7c..d678831 100644 --- a/cfrontend/PrintCsyntax.ml +++ b/cfrontend/PrintCsyntax.ml @@ -25,7 +25,7 @@ let name_unop = function | Onotbool -> "!" | Onotint -> "~" | Oneg -> "-" - + | Ofabs -> "__builtin_fabs" let name_binop = function | Oadd -> "+" @@ -131,6 +131,7 @@ let parenthesis_level (Expr (e, ty)) = | Econst_int _ -> 0 | Econst_float _ -> 0 | Evar _ -> 0 + | Eunop(Ofabs, _) -> -10 (* force parentheses around argument *) | Eunop(_, _) -> 30 | Ederef _ -> 20 | Eaddrof _ -> 30 |