[LLVMbugs] [Bug 10007] New: ARM branch instructions have very inconsistent predicate operand placement

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue May 24 21:22:47 PDT 2011


http://llvm.org/bugs/show_bug.cgi?id=10007

           Summary: ARM branch instructions have very inconsistent
                    predicate operand placement
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: zwarich at apple.com
                CC: llvmbugs at cs.uiuc.edu


The ARM branch instructions have inconsistent predicate operand placement.
BL/tBL want the predicate before the register operand; BX/tBX want it after the
register operand; tBLXr wants it after, but tBLXr_r9 wants it before, etc.

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