https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Jan Hubicka changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Bug 110287 depends on bug 112653, which changed state.
Bug 112653 Summary: PTA should handle correctly escape information of values
returned by a function
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112653
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Bug 110287 depends on bug 112706, which changed state.
Bug 112706 Summary: missed simplification in FRE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706
What|Removed |Added
--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Bug 110287 depends on bug 110377, which changed state.
Bug 110377 Summary: Early VRP and IPA-PROP should work out value ranges from
__builtin_unreachable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110377
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #11 from CVS Commits ---
The master branch has been updated by Jan Hubicka :
https://gcc.gnu.org/g:1d82fc2e6824bf83159389729c31a942f7b91b04
commit r14-5679-g1d82fc2e6824bf83159389729c31a942f7b91b04
Author: Jan Hubicka
Date: Tue
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Jan Hubicka changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #9 from Jan Hubicka ---
This is _M_realloc insert at release_ssa time:
eleased 63 names, 165.79%, removed 63 holes
void std::vector::_M_realloc_insert (struct vector *
const this, struct iterator __position, const struct pair_t & __
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #8 from Jan Hubicka ---
With return value range propagation
https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637265.html
reduces --param max-inline-insns-auto needed for _M_realloc_insert to be
inlined on my testcase from 39 t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
Bug 110287 depends on bug 110289, which changed state.
Bug 110289 Summary: Phiprop may be good idea in early opts
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110289
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #7 from Jan Hubicka ---
>
> There is no guarantee that std::vector::max_size() is PTRDIFF_MAX. It
> depends on the Allocator type, A. A user-defined allocator could have
> max_size() == 100.
If inliner we see path to the throw func
>
> There is no guarantee that std::vector::max_size() is PTRDIFF_MAX. It
> depends on the Allocator type, A. A user-defined allocator could have
> max_size() == 100.
If inliner we see path to the throw functions, it will not determine
_M_check_len as early inlinable.
Perhaps we can __builtin_con
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #6 from Jonathan Wakely ---
(In reply to Jan Hubicka from comment #5)
> > Do you mean something like this?
> I sent my own version, but yours looks nicer.
> >
> > diff --git a/libstdc++-v3/include/bits/stl_vector.h
> > b/libstdc++-v
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #5 from Jan Hubicka ---
> Do you mean something like this?
I sent my own version, but yours looks nicer.
>
> diff --git a/libstdc++-v3/include/bits/stl_vector.h
> b/libstdc++-v3/include/bits/stl_vector.h
> index 70ced3d101f..a4dbfeb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #4 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #3)
> @@ -946,7 +945,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
>else
> {
> const size_type __len =
> - _M_check_len(size_type(1),
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #3 from Jonathan Wakely ---
Do you mean something like this?
diff --git a/libstdc++-v3/include/bits/stl_vector.h
b/libstdc++-v3/include/bits/stl_vector.h
index 70ced3d101f..a4dbfeb8b5b 100644
--- a/libstdc++-v3/include/bits/stl_vect
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #2 from Jan Hubicka ---
With patch in PR110289 to optimize the std::max int MAX_EXPR and the throw
commented out I get:
size_type std::vector >::_M_check_len
(const struct vector * const this, size_type __n, const char * __s)
{
co
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287
--- Comment #1 from Jan Hubicka ---
Another problem is:
D.27747 = _8;
if (__n.3_2 > _8)
goto ; [34.00%]
else
goto ; [66.00%]
[local count: 364926196]:
[local count: 1073312330]:
# _18 = PHI <&D.27747(4), &__n(5)>
_3 =
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