[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2021-02-27 Thread zeccav at gmail dot com via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Vittorio Zecca  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEW |RESOLVED

--- Comment #7 from Vittorio Zecca  ---
Fixed in current runk.

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2017-05-06 Thread zeccav at gmail dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

--- Comment #6 from Vittorio Zecca  ---
Still there in 7.1.0

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2017-04-06 Thread zeccav at gmail dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Vittorio Zecca  changed:

   What|Removed |Added

Version|4.9.1   |7.0.1

--- Comment #5 from Vittorio Zecca  ---
Still in trunk 246751.

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2015-08-24 Thread zeccav at gmail dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

--- Comment #4 from Vittorio Zecca zeccav at gmail dot com ---
Still there in GCC 5.2.0

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2015-06-26 Thread pinskia at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Andrew Pinski pinskia at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|4.9.4   |---

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2015-06-26 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org ---
GCC 4.9.3 has been released.

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2015-06-26 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|4.9.3   |4.9.4

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2014-10-30 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|4.9.2   |4.9.3

--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org ---
GCC 4.9.2 has been released.

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2014-09-04 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058

Marek Polacek mpolacek at gcc dot gnu.org changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2014-09-04
   Target Milestone|--- |4.9.2
 Ever confirmed|0   |1

--- Comment #1 from Marek Polacek mpolacek at gcc dot gnu.org ---
$ ./xgcc -B./ -c o.c -O -ftree-loop-vectorize
/home/polacek/src/gcc/gcc/tree-data-ref.c:2440:16: runtime error: signed
integer overflow: 65536 * -65536 cannot be represented in type 'int'
/home/polacek/src/gcc/gcc/tree-data-ref.c:2351:38: runtime error: signed
integer overflow: 1073741824 + 1073741824 cannot be represented in type 'int'
/home/polacek/src/gcc/gcc/tree-data-ref.c:2442:16: runtime error: negation of
-2147483648 cannot be represented in type 'int'; cast to an unsigned type to
negate this value to itself
/home/polacek/src/gcc/gcc/tree-data-ref.c:2441:16: runtime error: negation of
-2147483648 cannot be represented in type 'int'; cast to an unsigned type to
negate this value to itself

Confirmed.