[LLVMbugs] [Bug 219] NEW: [x86] X86 backend code generates -0.0 as +0.0

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Feb 2 11:01:56 PST 2004


           Summary: [x86] X86 backend code generates -0.0 as +0.0
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: X86 Backend
        AssignedTo: gaeke+bugs at uiuc.edu
        ReportedBy: sabre at nondot.org

Testcase here:

The problem is that the X86 backend emits the fldz instruction to produce a -0.0
value, but fldz pushes +0.0 on the stack!


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