https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64807
Bug ID: 64807
Summary: [5 Regression] Wrong-code because of wide-int division
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
CC: emsr at gcc dot gnu.org, jakub at gcc dot gnu.org,
nheghathivhistha at gmail dot com, segher at gcc dot
gnu.org,
trippels at gcc dot gnu.org
Depends on: 63504, 63988
/* { dg-do run { target int128 } } */
/* { dg-options "-O2" } */
__uint128_t
foo (void)
{
__uint128_t a = -1;
__uint128_t b = -1;
return a / b;
}
int
main ()
{
if (foo () != 1)
__builtin_abort ();
return 0;
}
is miscompiled starting with wide-int merge r210113.
