Hi!
On Wed, 2022-09-07 14:00:25 +0200, Richard Biener
wrote:
> On Wed, Sep 7, 2022 at 12:58 PM Jan-Benedict Glaw wrote:
> > ../../gcc/gcc/tree-ssa-forwprop.cc:1258:42: error: array subscript 1 is
> > outside array bounds of 'tree_node* [1]' [-Werror=array-bounds]
> > 1258 | op[i -
On Wed, Sep 7, 2022 at 12:58 PM Jan-Benedict Glaw wrote:
>
> Hi!
>
> On Wed, 2022-07-13 09:50:14 -0700, H.J. Lu via Gcc-patches
> wrote:
> > When memchr is applied on a constant string of no more than the bytes of
> > a word, simplify memchr by checking each byte in the constant string.
> >
> >
Hi!
On Wed, 2022-07-13 09:50:14 -0700, H.J. Lu via Gcc-patches
wrote:
> When memchr is applied on a constant string of no more than the bytes of
> a word, simplify memchr by checking each byte in the constant string.
>
> int f (int a)
> {
>return __builtin_memchr ("AE", a, 2) != 0;
> }
>
On Wed, Jul 13, 2022 at 11:42 PM Richard Biener
wrote:
>
> On Wed, Jul 13, 2022 at 6:50 PM H.J. Lu wrote:
> >
> > When memchr is applied on a constant string of no more than the bytes of
> > a word, simplify memchr by checking each byte in the constant string.
> >
> > int f (int a)
> > {
> >r
On Wed, Jul 13, 2022 at 6:50 PM H.J. Lu wrote:
>
> When memchr is applied on a constant string of no more than the bytes of
> a word, simplify memchr by checking each byte in the constant string.
>
> int f (int a)
> {
>return __builtin_memchr ("AE", a, 2) != 0;
> }
>
> is simplified to
>
> in
When memchr is applied on a constant string of no more than the bytes of
a word, simplify memchr by checking each byte in the constant string.
int f (int a)
{
return __builtin_memchr ("AE", a, 2) != 0;
}
is simplified to
int f (int a)
{
return ((char) a == 'A' || (char) a == 'E') != 0;
}
