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| author | Zoran Jovanovic <zoran.jovanovic@imgtec.com> | 2014-05-16 11:03:45 +0000 |
|---|---|---|
| committer | Zoran Jovanovic <zoran.jovanovic@imgtec.com> | 2014-05-16 11:03:45 +0000 |
| commit | 3c8869dc6aaa3737b48210bc679899e5b065a161 (patch) | |
| tree | d07fc43fe11ff19b72594a5559230441d78b5238 /llvm/lib/Target/Mips/Disassembler | |
| parent | fa6820a035b98c52c251768611ac4470b036a28f (diff) | |
| download | bcm5719-llvm-3c8869dc6aaa3737b48210bc679899e5b065a161.tar.gz bcm5719-llvm-3c8869dc6aaa3737b48210bc679899e5b065a161.zip | |
[mips][mips64r6] Add compact branch instructions
Differential Revision: http://reviews.llvm.org/D3691
llvm-svn: 208974
Diffstat (limited to 'llvm/lib/Target/Mips/Disassembler')
| -rw-r--r-- | llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp index 958712602b4..21abe6c5857 100644 --- a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp +++ b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp @@ -205,6 +205,16 @@ static DecodeStatus DecodeJumpTarget(MCInst &Inst, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeBranchTarget21(MCInst &Inst, + unsigned Offset, + uint64_t Address, + const void *Decoder); + +static DecodeStatus DecodeBranchTarget26(MCInst &Inst, + unsigned Offset, + uint64_t Address, + const void *Decoder); + // DecodeBranchTargetMM - Decode microMIPS branch offset, which is // shifted left by 1 bit. static DecodeStatus DecodeBranchTargetMM(MCInst &Inst, @@ -856,6 +866,26 @@ static DecodeStatus DecodeJumpTarget(MCInst &Inst, return MCDisassembler::Success; } +static DecodeStatus DecodeBranchTarget21(MCInst &Inst, + unsigned Offset, + uint64_t Address, + const void *Decoder) { + int32_t BranchOffset = SignExtend32<21>(Offset) << 2; + + Inst.addOperand(MCOperand::CreateImm(BranchOffset)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeBranchTarget26(MCInst &Inst, + unsigned Offset, + uint64_t Address, + const void *Decoder) { + int32_t BranchOffset = SignExtend32<26>(Offset) << 2; + + Inst.addOperand(MCOperand::CreateImm(BranchOffset)); + return MCDisassembler::Success; +} + static DecodeStatus DecodeBranchTargetMM(MCInst &Inst, unsigned Offset, uint64_t Address, |
