[Bug c++/38063] New: C++ operator new returns misaligned address
David dot Monniaux at imag dot fr
gcc-bugzilla@gcc.gnu.org
Sat Nov 8 23:03:00 GMT 2008
On IA32, operator new returns an address multiple of 8 in all cases, even if
called on a type with strict alignment (16).
typedef double double2 __attribute__ ((vector_size(16)));
int main() {
std::cout << __alignof__(double2) << " " << ((void*) new double2) <<
std::endl;
}
returns:
16 0x8107008
--
Summary: C++ operator new returns misaligned address
Product: gcc
Version: 4.3.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: David dot Monniaux at imag dot fr
GCC build triplet: i486-linux-gnu
GCC host triplet: i486-linux-gnu
GCC target triplet: i486-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38063
More information about the Gcc-bugs
mailing list