[LLVMbugs] [Bug 5399] New: Need 'x86_icebp' debug intrinsic for x86

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5399

           Summary: Need 'x86_icebp' debug intrinsic for x86
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: eugeny.grishul at gmail.com
                CC: llvmbugs at cs.uiuc.edu


It will be great to add intrinsic 'x86_icebp' with opcode 0xF1 ( not
documented, but supported by all x86 hardware ) intrinsic for X86 to simplify
JIT debugging with Visual Studio ( it breaks execution and immediately jumps to
disassembly without prompting ).


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