On Sat, Dec 4, 2010 at 2:50 AM, Peter Collingbourne <[email protected]> wrote:
> +def cl_single_precision_constant : Flag<"-cl-single-precision-constant">,
> + HelpText<"OpenCL only. Treat double precision floating-point constant as
> single precision constant.">;
This claims the option is OpenCL only, but that doesn't seem to be
checked below:
> --- cfe/trunk/lib/Sema/SemaExpr.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaExpr.cpp Fri Dec 3 19:50:56 2010
> @@ -2394,6 +2394,9 @@
> bool isExact = (result == APFloat::opOK);
> Res = FloatingLiteral::Create(Context, Val, isExact, Ty,
> Tok.getLocation());
>
> + if (getLangOptions().SinglePrecisionConstants && Ty == Context.DoubleTy)
> + ImpCastExprToType(Res, Context.FloatTy, CK_FloatingCast);
> +
> } else if (!Literal.isIntegerLiteral()) {
> return ExprError();
> } else {
>
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