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From: khc@pm.waw.pl (Krzysztof Halasa)
To: linux-arm-kernel@lists.infradead.org
Subject: FYI ARM GCC 4.6.x miscompiles the kernel
Date: Sun, 14 Aug 2011 01:10:21 +0200	[thread overview]
Message-ID: <m3y5ywx602.fsf@intrepid.localdomain> (raw)

Current gcc-4.6.x SVN, ARMEB EABI.

unsigned var[2];

void test(int arg)
{
        unsigned v = *(volatile unsigned *)(&var[arg]);
        *(volatile unsigned *)(&var[arg]) = v;
}

Disassembly of section .text:

00000000 <test>:
   0:   e12fff1e        bx      lr
-- 
Krzysztof Halasa

             reply	other threads:[~2011-08-13 23:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-13 23:10 Krzysztof Halasa [this message]
2011-08-14  1:27 ` FYI ARM GCC 4.6.x miscompiles the kernel Marek Vasut
2011-08-14 16:05   ` FYI " Krzysztof Halasa

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