[Mono-bugs] [Bug 503077] The "branch" optimization doesn't remove the opcodes compare+branch atomically (at least sometimes).

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http://bugzilla.novell.com/show_bug.cgi?id=503077

User vargaz at gmail.com added comment
http://bugzilla.novell.com/show_bug.cgi?id=503077#c1


Zoltan Varga <vargaz at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |vargaz at gmail.com




--- Comment #1 from Zoltan Varga <vargaz at gmail.com>  2009-05-12 09:07:32 MDT ---
This probably happens because some opcodes are implemented by two conditional
branches
using the same compare, i.e.

B0:
compare
blt B1

B2:
bgt B3

So removing the compare would screw up the second conditional branch.

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