Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05
From: Tom Tromey
Date: Tue Feb 08 2011 - 11:01:17 EST
>>>>> ">" == 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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