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| author | Daniel Sanders <daniel.sanders@imgtec.com> | 2016-03-11 11:37:50 +0000 |
|---|---|---|
| committer | Daniel Sanders <daniel.sanders@imgtec.com> | 2016-03-11 11:37:50 +0000 |
| commit | 78e8902097914db056954faa34df1a747c8a30bd (patch) | |
| tree | dbcd50a88e90aec70feda55b9024ce77a89d1518 /llvm/lib/Target/Mips/Disassembler | |
| parent | b47f8010a95f461f995e30dc2b77391093183605 (diff) | |
| download | bcm5719-llvm-78e8902097914db056954faa34df1a747c8a30bd.tar.gz bcm5719-llvm-78e8902097914db056954faa34df1a747c8a30bd.zip | |
[mips] Range check simm4.
Summary:
Reviewers: vkalintiris
Subscribers: dsanders, llvm-commits
Differential Revision: http://reviews.llvm.org/D16811
llvm-svn: 263220
Diffstat (limited to 'llvm/lib/Target/Mips/Disassembler')
| -rw-r--r-- | llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp index ca149a19d63..4c64fc812e7 100644 --- a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp +++ b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp @@ -377,11 +377,6 @@ static DecodeStatus DecodePOOL16BEncodedField(MCInst &Inst, uint64_t Address, const void *Decoder); -static DecodeStatus DecodeSimm4(MCInst &Inst, - unsigned Value, - uint64_t Address, - const void *Decoder); - static DecodeStatus DecodeSimm16(MCInst &Inst, unsigned Insn, uint64_t Address, @@ -391,6 +386,10 @@ template <unsigned Bits, int Offset> static DecodeStatus DecodeUImmWithOffset(MCInst &Inst, unsigned Value, uint64_t Address, const void *Decoder); +template <unsigned Bits, int Offset = 0> +static DecodeStatus DecodeSImmWithOffset(MCInst &Inst, unsigned Value, + uint64_t Address, const void *Decoder); + static DecodeStatus DecodeInsSize(MCInst &Inst, unsigned Insn, uint64_t Address, @@ -1924,14 +1923,6 @@ static DecodeStatus DecodePOOL16BEncodedField(MCInst &Inst, return MCDisassembler::Success; } -static DecodeStatus DecodeSimm4(MCInst &Inst, - unsigned Value, - uint64_t Address, - const void *Decoder) { - Inst.addOperand(MCOperand::createImm(SignExtend32<4>(Value))); - return MCDisassembler::Success; -} - static DecodeStatus DecodeSimm16(MCInst &Inst, unsigned Insn, uint64_t Address, @@ -1949,6 +1940,15 @@ static DecodeStatus DecodeUImmWithOffset(MCInst &Inst, unsigned Value, return MCDisassembler::Success; } +template <unsigned Bits, int Offset> +static DecodeStatus DecodeSImmWithOffset(MCInst &Inst, unsigned Value, + uint64_t Address, + const void *Decoder) { + int32_t Imm = SignExtend32<Bits>(Value); + Inst.addOperand(MCOperand::createImm(Imm + Offset)); + return MCDisassembler::Success; +} + static DecodeStatus DecodeInsSize(MCInst &Inst, unsigned Insn, uint64_t Address, |
