Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05

[Tom Tromey]

>>>>> ">" == Hui Zhu <teawater@xxxxxxxxx> writes:

>> My gcc is 4.4.5.  Does it have VTA?

Nope.  VTA went in for 4.5.

>> Use the patch is easier than update gcc sometimes, right?  :)

Yeah.

>> BTW does VTA can handle the issue that after -O2 a lot of code
>> execution order is worong?
>> It affect me when I debug the Linux Kernel in qemu.

My understanding is that VTA is solely about better tracking of values
through optimization passes.  It doesn't affect code reordering, by
design.

Tom
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