[Bug c++/80396] New builtin to make std::make_integer_sequence efficient and scalable

2017-05-24 Thread clyon at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80396

Christophe Lyon  changed:

   What|Removed |Added

 CC||clyon at gcc dot gnu.org

--- Comment #3 from Christophe Lyon  ---
Hi Jason,
One of the new tests (integer-pack2.C) fails on arm* targets. The log says:
Excess errors:
/testsuite/g++.dg/ext/integer-pack2.C:10:48: error: overflow in constant
expression [-fpermissive]
/testsuite/g++.dg/ext/integer-pack2.C:10:48: error: overflow in constant
expression [-fpermissive]

[Bug c++/80396] New builtin to make std::make_integer_sequence efficient and scalable

2017-05-23 Thread jason at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80396

Jason Merrill  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED
   Target Milestone|--- |8.0

--- Comment #2 from Jason Merrill  ---
Done.

[Bug c++/80396] New builtin to make std::make_integer_sequence efficient and scalable

2017-05-23 Thread jason at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80396

--- Comment #1 from Jason Merrill  ---
Author: jason
Date: Tue May 23 20:14:01 2017
New Revision: 248384

URL: https://gcc.gnu.org/viewcvs?rev=248384=gcc=rev
Log:
PR c++/80396 - built-in for make_integer_sequence.

* pt.c (builtin_pack_fn_p, builtin_pack_call_p)
(expand_integer_pack, expand_builtin_pack_call): New.
(find_parameter_packs_r): Check builtin_pack_call_p.
(check_for_bare_parameter_packs): Handle it.
(tsubst_pack_expansion): Call expand_builtin_pack_call.
(declare_integer_pack): New.
(init_template_processing): Call it.
* decl2.c (mark_used): Check builtin_pack_fn_p.

Added:
trunk/gcc/testsuite/g++.dg/ext/integer-pack1.C
trunk/gcc/testsuite/g++.dg/ext/integer-pack2.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/cp-tree.h
trunk/gcc/cp/decl2.c
trunk/gcc/cp/parser.c
trunk/gcc/cp/pt.c
trunk/gcc/doc/extend.texi

[Bug c++/80396] New builtin to make std::make_integer_sequence efficient and scalable

2017-05-17 Thread jason at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80396

Jason Merrill  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 CC||jason at gcc dot gnu.org
   Assignee|unassigned at gcc dot gnu.org  |jason at gcc dot gnu.org

[Bug c++/80396] New builtin to make std::make_integer_sequence efficient and scalable

2017-05-17 Thread redi at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80396

Jonathan Wakely  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2017-05-17
 Ever confirmed|0   |1