From fe6fba3fe632cadad20bc19f733b09f4ebc0e45d Mon Sep 17 00:00:00 2001 From: Johnny Chen Date: Fri, 1 Apr 2011 18:26:38 +0000 Subject: Fix LDRi12 immediate operand, which was changed to be the second operand in $addrmode_imm12 => (ops GPR:$base, i32imm:$offsimm). rdar://problem/9219356 llvm-svn: 128722 --- llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp index d3caca624df..c28f7e12efb 100644 --- a/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp +++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp @@ -1098,10 +1098,11 @@ static bool DisassembleLdStFrm(MCInst &MI, unsigned Opcode, uint32_t insn, OpIdx += 1; } - // Disassemble the 12-bit immediate offset. + // Disassemble the 12-bit immediate offset, which is the second operand in + // $addrmode_imm12 => (ops GPR:$base, i32imm:$offsimm). + // unsigned Imm12 = slice(insn, 11, 0); - unsigned Offset = ARM_AM::getAM2Opc(AddrOpcode, Imm12, ARM_AM::no_shift, - IndexMode); + int Offset = AddrOpcode == ARM_AM::add ? 1 * Imm12 : -1 * Imm12; MI.addOperand(MCOperand::CreateImm(Offset)); OpIdx += 1; } else { -- cgit v1.2.3