On Wed, 15 Nov 2017, Richard Biener wrote:
> Thanks - I suppose we can't avoid the repeated expansion by sth like
>
> #define exp(Val) ({ __typeof__ Val tem = Val; __TGMATH_UNARY_REAL_IMAG
> (tem, exp, cexp); })
Well, that still expands its argument twice. You'd need to use
__auto_type to avoi
On Wed, Nov 15, 2017 at 2:54 AM, Joseph Myers wrote:
> Various implementations of C99/C11 have the property that
> their macro expansions contain many copies of the macro arguments, so
> resulting in exponential blowup of the size of macro expansions where
> a call to such a macro contains other
Various implementations of C99/C11 have the property that
their macro expansions contain many copies of the macro arguments, so
resulting in exponential blowup of the size of macro expansions where
a call to such a macro contains other such calls in the macro
arguments.
This patch adds a (C-only)
