BTW, I don't know if it got lost in all my patches, but we already
have an irange allocator that given an irange, returns a chunk of
memory holding a clone of that irange squished into its minimum
representable pairs (see vrange_allocator and friends). So we won't
ever be storing 255 or something
On Fri, Jul 1, 2022 at 8:53 PM Jakub Jelinek wrote:
>
> On Fri, Jul 01, 2022 at 07:43:28PM +0200, Aldy Hernandez wrote:
> > You can still say N=255 and things continue to work as they do now, since
> > m_len[] is still statically determined. The only difference is that before,
> > the size of the
On Fri, Jul 01, 2022 at 07:43:28PM +0200, Aldy Hernandez wrote:
> You can still say N=255 and things continue to work as they do now, since
> m_len[] is still statically determined. The only difference is that before,
> the size of the structure would be 2+1+255+sizeof(int) whereas now it would
> b
Aldy Hernandez via Gcc-patches writes:
> Currently global ranges are stored in SSA_NAME_RANGE_INFO as a pair of
> wide_int-like objects along with the nonzero bits. We frequently lose
> precision when streaming out our higher resolution iranges. The plan
> was always to store the full irange bet
On Fri, Jul 1, 2022, 18:58 Jakub Jelinek wrote:
> On Fri, Jul 01, 2022 at 06:47:48PM +0200, Aldy Hernandez wrote:
> > > So, you are looking for something like trailing_wide_ints but where
> that
> > > N is actually a runtime value? Then e.g. the
> > > struct {unsigned char len;} m_len[N];
> >
On Fri, Jul 01, 2022 at 06:47:48PM +0200, Aldy Hernandez wrote:
> > So, you are looking for something like trailing_wide_ints but where that
> > N is actually a runtime value? Then e.g. the
> > struct {unsigned char len;} m_len[N];
> > member can't work properly either, because it isn't constant
On Fri, Jul 1, 2022 at 4:58 PM Jakub Jelinek wrote:
>
> On Fri, Jul 01, 2022 at 04:12:55PM +0200, Aldy Hernandez wrote:
> > > --- a/gcc/wide-int.h
> > > +++ b/gcc/wide-int.h
> > > @@ -1373,10 +1373,13 @@ namespace wi
> > > : public int_traits {};
> > > }
> > >
> > > -/* An array of N wide_i
On Fri, Jul 01, 2022 at 04:12:55PM +0200, Aldy Hernandez wrote:
> > --- a/gcc/wide-int.h
> > +++ b/gcc/wide-int.h
> > @@ -1373,10 +1373,13 @@ namespace wi
> > : public int_traits {};
> > }
> >
> > -/* An array of N wide_int-like objects that can be put at the end of
> > - a variable-sized
FYI...if no one has anything to say, I'd like to formally post this for
review.
So OK for trunk?
Aldy
On Wed, Jun 29, 2022, 11:22 Aldy Hernandez wrote:
> Currently global ranges are stored in SSA_NAME_RANGE_INFO as a pair of
> wide_int-like objects along with the nonzero bits. We frequentl
