[Bug c/91254] Wrong generate code with a series of array access

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91254

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
[apinski@xeond2 upstream-cross-aarch64]$ time ./a.out 100
Numero de casas: 100
3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706


real    0m0.732s
user    0m0.730s
sys     0m0.001s
[apinski@xeond2 upstream-cross-aarch64]$ time ./a.out 200
Numero de casas: 200
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819


real    0m5.842s
user    0m5.833s
sys     0m0.001s
[apinski@xeond2 upstream-cross-aarch64]$ time ./a.out 300
Numero de casas: 300
3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196442881097566593344612847564823378678316527120190914564856692346034861045432664821339360726024914127


real    0m19.778s
user    0m19.753s
sys     0m0.001s


so 300 for me takes 19 seconds while 200 takes 5/6 seconds. This means 1000
will take over an hour.  This is on a fast machine too.

So there is no issue with GCC here.