Re: QT4 and atomics

Dnia niedziela, 14 listopada 2010 o 23:26:46 Michael Hope napisał(a):

Hi there. I've been looking into updating the QT4 atomic operations as an alternative to working around it in GCC. There's ARM specific code in:

There are bigger problems here though:

• There's code in corelib/arch/armv6/qatomic*.c that may also being used
• qatomic_armv6.h includes code for RVCT which should be updated for

Thumb-2 by someone

• The code may not work on multi-processor systems like Panda due to

the lack of DMB instructions

This is also tracked in https://bugs.launchpad.net/ubuntu/+source/qt4- x11/+bug/490371

Regards,