On Sun, Aug 12, 2012 at 11:03 AM, Philippe Waroquiers <
philippe.waroqui...@skynet.be> wrote:
> On Sun, 2012-08-12 at 19:15 +0200, Francis Giraldeau wrote:
>
>
> The best is to file a bug on bugzilla,
> with the test program to reproduce the false positive
> and additional details such as gcc version, glibc version,
> distro version, compilation options used.
>
There are already two bug reports for exactly this issue:
https://bugs.kde.org/show_bug.cgi?id=294285
https://bugs.kde.org/show_bug.cgi?id=264936
The correct fix for this problem is to set "--partial-loads-ok=yes".
Except that doesn't work because "--partial-loads-ok=yes" does not support
16-bit loads (SSE operations).
I would suggest (a) verify that "--partial-loads-ok=yes" does not fix your
problem; (b) attach your test case as an additional example on bug 294285;
(c) add your vote to bug 294285. (But then again, I am biased because it
is my own report.)
The smarter the compiler, the more likely it is to emit code like this.
- Pat
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