diff options
Diffstat (limited to 'lib/Target/ARM/AsmParser/ARMAsmParser.cpp')
-rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 0732060c88..46ea29f192 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -761,6 +761,11 @@ public: return (Val > -256 && Val < 256) || Val == INT32_MIN; } bool isAddrMode5() const { + // If we have an immediate that's not a constant, treat it as a label + // reference needing a fixup. If it is a constant, it's something else + // and we reject it. + if (Kind == k_Immediate && !isa<MCConstantExpr>(getImm())) + return true; if (!isMemory() || Memory.Alignment != 0) return false; // Check for register offset. if (Memory.OffsetRegNum) return false; @@ -768,7 +773,7 @@ public: if (!Memory.OffsetImm) return true; int64_t Val = Memory.OffsetImm->getValue(); return (Val >= -1020 && Val <= 1020 && ((Val & 3) == 0)) || - Val == INT32_MIN; + Val == INT32_MIN; } bool isMemTBB() const { if (!isMemory() || !Memory.OffsetRegNum || Memory.isNegative || @@ -1375,6 +1380,15 @@ public: void addAddrMode5Operands(MCInst &Inst, unsigned N) const { assert(N == 2 && "Invalid number of operands!"); + // If we have an immediate that's not a constant, treat it as a label + // reference needing a fixup. If it is a constant, it's something else + // and we reject it. + if (isImm()) { + Inst.addOperand(MCOperand::CreateExpr(getImm())); + Inst.addOperand(MCOperand::CreateImm(0)); + return; + } + // The lower two bits are always zero and as such are not encoded. int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() / 4 : 0; ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; |