> Short history: new GCC 4.5.0 (released a month ago), when compiling with > -O3, is adding MMX/SSE instructions that requires stack aligned to 16 > byte. This is wrong, since x86 ABI only requires stack aligned to 4 bytes.
I think this is debatable. It depends on the operating system also; ultimately, it is the OS vendor who specifies the C ABI for their systems. On Linux, in absence of a vendor, the ABI is what the kernel and gcc define it to be. Regards, Martin _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com