For ARM disassembly only print 32 unsigned bits for the address of branch
authorKevin Enderby <enderby@apple.com>
Fri, 13 Apr 2012 18:46:37 +0000 (18:46 +0000)
committerKevin Enderby <enderby@apple.com>
Fri, 13 Apr 2012 18:46:37 +0000 (18:46 +0000)
targets so if the branch target has the high bit set it does not get printed as:
 beq     0xffffffff8008c404

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154685 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp

index b3eeafe083149fd17b350e195a78667b7781e008..cbd81c11a45beb55c0575a1ded4bc747a9a8979d 100644 (file)
@@ -209,12 +209,12 @@ void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
   } else {
     assert(Op.isExpr() && "unknown operand kind in printOperand");
     // If a symbolic branch target was added as a constant expression then print
-    // that address in hex.
+    // that address in hex. And only print 32 unsigned bits for the address.
     const MCConstantExpr *BranchTarget = dyn_cast<MCConstantExpr>(Op.getExpr());
     int64_t Address;
     if (BranchTarget && BranchTarget->EvaluateAsAbsolute(Address)) {
       O << "0x";
-      O.write_hex(Address);
+      O.write_hex((uint32_t)Address);
     }
     else {
       // Otherwise, just print the expression.