diff options
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 14 | ||||
| -rw-r--r-- | test/MC/ARM/arm-arithmetic-aliases.s | 4 |
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index a7997d5e27..aa5ba46ab2 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -5666,6 +5666,20 @@ bool ARMAsmParser:: processInstruction(MCInst &Inst, const SmallVectorImpl<MCParsedAsmOperand*> &Operands) { switch (Inst.getOpcode()) { + // Alias for alternate form of 'ADR Rd, #imm' instruction. + case ARM::ADDri: { + if (Inst.getOperand(1).getReg() != ARM::PC || + Inst.getOperand(5).getReg() != 0) + return false; + MCInst TmpInst; + TmpInst.setOpcode(ARM::ADR); + TmpInst.addOperand(Inst.getOperand(0)); + TmpInst.addOperand(Inst.getOperand(2)); + TmpInst.addOperand(Inst.getOperand(3)); + TmpInst.addOperand(Inst.getOperand(4)); + Inst = TmpInst; + return true; + } // Aliases for alternate PC+imm syntax of LDR instructions. case ARM::t2LDRpcrel: Inst.setOpcode(ARM::t2LDRpci); diff --git a/test/MC/ARM/arm-arithmetic-aliases.s b/test/MC/ARM/arm-arithmetic-aliases.s index 9895cfc02b..3ed4448581 100644 --- a/test/MC/ARM/arm-arithmetic-aliases.s +++ b/test/MC/ARM/arm-arithmetic-aliases.s @@ -124,3 +124,7 @@ bicseq r2, r3 @ CHECK: bicseq r2, r2, #6 @ encoding: [0x06,0x20,0xd2,0x03] @ CHECK: bicseq r2, r2, r3 @ encoding: [0x03,0x20,0xd2,0x01] @ CHECK: bicseq r2, r2, r3 @ encoding: [0x03,0x20,0xd2,0x01] + +add r0, pc, #123 + +@ CHECK: adr r0, #123 @ encoding: [0x7b,0x00,0x8f,0xe2] |