Re: [Valgrind-users] Interesting program output errors on ARM

2016-02-11 Thread Henry Gomersall
On 11/02/16 08:58, Henry Gomersall wrote: > What I've found is that with -O3 and -mfpu=neon flags, some values, as > computed under Valgrind, are wrong. This is demonstrated in the minimal > example linked to above through the printf statement. Just to clarify, removal of either of those flags or

[Valgrind-users] Interesting program output errors on ARM

2016-02-11 Thread Henry Gomersall
I've been working on some code targeting an ARM Cortex A9. A minimal working example and compile/test script can be found here: https://gist.github.com/hgomersall/22a19f245559d55f1ff6 What I've found is that with -O3 and -mfpu=neon flags, some values, as computed under Valgrind, are wrong. This i