On 12/7/22 16:31, Jakub Jelinek wrote:
On Wed, Dec 07, 2022 at 04:21:09PM +0100, Aldy Hernandez wrote:
On 12/7/22 13:10, Jakub Jelinek wrote:
+ switch (code)
+ {
+ case PLUS_EXPR:
+ case MINUS_EXPR:
+ // ibm-ldouble-format
On Wed, Dec 07, 2022 at 04:21:09PM +0100, Aldy Hernandez wrote:
> On 12/7/22 13:10, Jakub Jelinek wrote:
> > + switch (code)
> > + {
> > + case PLUS_EXPR:
> > + case MINUS_EXPR:
> > + // ibm-ldouble-format documents 1ulp for + and -.
> > +
On 12/7/22 13:10, Jakub Jelinek wrote:
Hi!
As mentioned in PR107967, ibm-ldouble-format documents that
+- has 1ulp accuracy, * 2ulps and / 3ulps.
So, even if the result is exact, we need to widen the range a little bit.
The following patch does that. I just wonder what it means for reverse
Hi!
As mentioned in PR107967, ibm-ldouble-format documents that
+- has 1ulp accuracy, * 2ulps and / 3ulps.
So, even if the result is exact, we need to widen the range a little bit.
The following patch does that. I just wonder what it means for reverse
division (the op1_range case), which we impl
