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Support for microMIPS jump instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193623 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zoran Jovanovic
2013-10-29 16:38:59 +00:00
parent 54328c772c
commit 1aaf43c2a2
18 changed files with 253 additions and 21 deletions
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15
lib/Target/Mips/Disassembler/MipsDisassembler.cpp
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@ -205,6 +205,13 @@ static DecodeStatus DecodeJumpTarget(MCInst &Inst,
uint64_t Address,
const void *Decoder);
// DecodeJumpTargetMM - Decode microMIPS jump target, which is
// shifted left by 1 bit.
static DecodeStatus DecodeJumpTargetMM(MCInst &Inst,
unsigned Insn,
uint64_t Address,
const void *Decoder);
static DecodeStatus DecodeMem(MCInst &Inst,
unsigned Insn,
uint64_t Address,
@ -744,6 +751,14 @@ static DecodeStatus DecodeJumpTarget(MCInst &Inst,
return MCDisassembler::Success;
}
static DecodeStatus DecodeJumpTargetMM(MCInst &Inst,
unsigned Insn,
uint64_t Address,
const void *Decoder) {
unsigned JumpOffset = fieldFromInstruction(Insn, 0, 26) << 1;
Inst.addOperand(MCOperand::CreateImm(JumpOffset));
return MCDisassembler::Success;
}
static DecodeStatus DecodeSimm16(MCInst &Inst,
unsigned Insn,