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List:       kdevelop-bugs
Subject:    [Bug 267533] New: vex amd64->IR: unhandled instruction bytes: 0xDD
From:       "shijun.wang" <wangsj001 () gmail ! com>
Date:       2011-03-03 7:58:57
Message-ID: bug-267533-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=267533

           Summary: vex amd64->IR: unhandled instruction bytes: 0xDD 0xB0
                    0x30 0x2 0x0 0x0 (fsave)
           Product: kdevelop
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: valgrind integration
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: wangsj001@gmail.com


Version:           unspecified (using KDE 1.2) 
OS:                Linux

vex amd64->IR: unhandled instruction bytes: 0xDD 0xB0 0x30 0x2 0x0 0x0

unhandled opc_aux = 0x 6
first_opcode == 0xDD
vex amd64->IR: unhandled instruction bytes: 0xDD 0xB0 0x30 0x2 0x0 0x0
==22315== valgrind: Unrecognised instruction at address 0x77ef14e.
==22315== Your program just tried to execute an instruction that Valgrind
==22315== did not recognise.  There are two possible reasons for this.
==22315== 1. Your program has a bug and erroneously jumped to a non-code
==22315==    location.  If you are running Memcheck and you just saw a
==22315==    warning about a bad jump, it's probably your program's fault.
==22315== 2. The instruction is legitimate but Valgrind doesn't handle it,
==22315==    i.e. it's Valgrind's fault.  If you think this is the case or
==22315==    you are not sure, please let us know and we'll try to fix it.
==22315== Either way, Valgrind will now raise a SIGILL signal which will
==22315== probably kill your program.
==22315== 


#define SAVEFPU __asm("push %%rax; \
 69                        mov %0, %%rax;   \
 70                        fsave (%%rax);    \
 71                        pop %%rax;"::"g"(m_FPUInfos))

fsave 

Reproducible: Didn't try

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