diff options
Diffstat (limited to 'lib/Target/ARM/AsmParser/ARMAsmParser.cpp')
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 77cdb75633..b1ac198c6c 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -6055,6 +6055,42 @@ bool ARMAsmParser:: processInstruction(MCInst &Inst, const SmallVectorImpl<MCParsedAsmOperand*> &Operands) { switch (Inst.getOpcode()) { + // Alias for alternate form of 'ldr{,b}t Rt, [Rn], #imm' instruction. + case ARM::LDRT_POST: + case ARM::LDRBT_POST: { + const unsigned Opcode = + (Inst.getOpcode() == ARM::LDRT_POST) ? ARM::LDRT_POST_IMM + : ARM::LDRBT_POST_IMM; + MCInst TmpInst; + TmpInst.setOpcode(Opcode); + TmpInst.addOperand(Inst.getOperand(0)); + TmpInst.addOperand(Inst.getOperand(1)); + TmpInst.addOperand(Inst.getOperand(1)); + TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::CreateImm(0)); + TmpInst.addOperand(Inst.getOperand(2)); + TmpInst.addOperand(Inst.getOperand(3)); + Inst = TmpInst; + return true; + } + // Alias for alternate form of 'str{,b}t Rt, [Rn], #imm' instruction. + case ARM::STRT_POST: + case ARM::STRBT_POST: { + const unsigned Opcode = + (Inst.getOpcode() == ARM::STRT_POST) ? ARM::STRT_POST_IMM + : ARM::STRBT_POST_IMM; + MCInst TmpInst; + TmpInst.setOpcode(Opcode); + TmpInst.addOperand(Inst.getOperand(1)); + TmpInst.addOperand(Inst.getOperand(0)); + TmpInst.addOperand(Inst.getOperand(1)); + TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::CreateImm(0)); + TmpInst.addOperand(Inst.getOperand(2)); + TmpInst.addOperand(Inst.getOperand(3)); + Inst = TmpInst; + return true; + } // Alias for alternate form of 'ADR Rd, #imm' instruction. case ARM::ADDri: { if (Inst.getOperand(1).getReg() != ARM::PC || |