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From "Dmitry Pronichkin (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5119) [drlvm][jitrino] bug in assigning opcode group to the instruction with operands having different sizes
Date Wed, 14 Nov 2007 09:30:43 GMT
[drlvm][jitrino] bug in assigning opcode group to the instruction with operands having different
sizes
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                 Key: HARMONY-5119
                 URL: https://issues.apache.org/jira/browse/HARMONY-5119
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: IA32
            Reporter: Dmitry Pronichkin
         Attachments: opcode_group.patch

Currently IA32 Encoder erroneously assigns opcode group to the instruction that has different
opcodes, if operand sizes are different. The problem is in method bool Encoder::matches(const
OpcodeGroup* og, const FindInfo& fi, bool any), that maps operand indices from extended
to native form. This sometimes leads to ignoring the last operand and assigning the wrong
opcode group.

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