print pcrel immediates as signed values instead of unsigned so that we
get things like this out of the disassembler:
0x100000ecb: callq -96
instead of:
0x100000ecb: callq 4294967200
rdar://7491123
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91864 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
index 8ec5b62..c74b97a 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
@@ -45,12 +45,14 @@
}
/// print_pcrel_imm - This is used to print an immediate value that ends up
-/// being encoded as a pc-relative value. These print slightly differently, for
-/// example, a $ is not emitted.
+/// being encoded as a pc-relative value (e.g. for jumps and calls). These
+/// print slightly differently than normal immediates. For example, a $ is not
+/// emitted.
void X86ATTInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo) {
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isImm())
- O << Op.getImm();
+ // Print this as a signed 32-bit value.
+ O << (int)Op.getImm();
else {
assert(Op.isExpr() && "unknown pcrel immediate operand");
Op.getExpr()->print(O, &MAI);