On 19/06/06, Eric Botcazou <[EMAIL PROTECTED]> wrote:
> By the way, -ftrapv only works on integral types.
When it works. Last time I took a look, it was easily wiped out by
optimization.
So, it is of no use then... :-(
--
Eric Botcazou
--
Paulo Jorge Matos - pocm at sat inesc-id pt
Web
> By the way, -ftrapv only works on integral types.
When it works. Last time I took a look, it was easily wiped out by
optimization.
--
Eric Botcazou
> I'd like to catch automatically over/underflows on floating point
> and integer arithmetic. I thought -ftrapv would do the trick but I
> don't really understand how it works.
By the way, -ftrapv only works on integral types.
Ben
On Jun 16, 2006, at 5:43 PM, Paulo J. Matos wrote:
I'd like to catch automatically over/underflows on floating point
Wrong list. You want gcc-help...
Does it mean that if I use this, exceptions are thrown when I have an
over/underflow?
No, it it meant that, the documentation would say that
On Jun 16, 2006, at 5:43 PM, Paulo J. Matos wrote:
int main() {
unsigned int maxi = std::numeric_limits::max();
maxi++;
This is well defined as unsigned overflow is defined as wrapping.
-- Pinski
Hi all,
I'd like to catch automatically over/underflows on floating point and
integer arithmetic. I thought -ftrapv would do the trick but I don't
really understand how it works. From the latest manual online:
-ftrapv
This option generates traps for signed overflow on addition,
subtraction, mu
