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Re: [PATCH] Fix PR30028, fold sin, cos to sincos on the tree-level
On Thu, 7 Dec 2006, Andrew Pinski wrote:
> On Thu, 2006-12-07 at 19:27 +0100, Richard Guenther wrote:
> > + /* sin, cos and cexpi may trap with non-finite math (+-Inf
> > arguments). */
> > + if (!flag_finite_math_only)
> > + return;
> I think you should check for flag_trapping_math instead.
In this case !flag_finite_math_only && !flag_trapping_math would work
as well. Or just do the work and find a more appropriate insertion
place for the cexpi call in the trapping case.
> ; Zero means that floating-point math operations cannot generate a
> ; (user-visible) trap. This is the case, for example, in nonstop
> ; IEEE 754 arithmetic.
> Common Report Var(flag_trapping_math) Init(1)
> Assume floating-point operations can trap
> Andrew Pinski
Richard Guenther <email@example.com>
Novell / SUSE Labs