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Date:	Tue, 08 Feb 2011 09:00:47 -0700
From:	Tom Tromey <>
To:	Hui Zhu <>
Cc:, Michael Snyder <>,
	Marc Khouzam <>,
	Thiago Jung Bauermann <>,
	Steven <>,,
	Christoph Hellwig <>,
	"gdb\" <>
Subject: Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05

>>>>> ">" == Hui Zhu <> 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?  :)


>> 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

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