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author | Joey Gouly <joey.gouly@arm.com> | 2013-07-04 14:57:20 +0000 |
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committer | Joey Gouly <joey.gouly@arm.com> | 2013-07-04 14:57:20 +0000 |
commit | 4ea250524f77a67102118747dad6ee69f9f3b3aa (patch) | |
tree | f00f631ea8b7b8fd1d235eabc9d2594c43f7d87b /lib/Target/ARM/Disassembler | |
parent | 3c99602ca87f604080e367838180c3d63f6931f3 (diff) | |
download | external_llvm-4ea250524f77a67102118747dad6ee69f9f3b3aa.zip external_llvm-4ea250524f77a67102118747dad6ee69f9f3b3aa.tar.gz external_llvm-4ea250524f77a67102118747dad6ee69f9f3b3aa.tar.bz2 |
Add support for MC assembling and disassembling of vsel{ge, gt, eq, vs} instructions.
This adds a new decoder table/namespace 'VFPV8', as these instructions have their
top 4 bits as 0b1111, while other Thumb instructions have 0b1110.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185642 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Disassembler')
-rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index 31941c1..d5b749d 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -456,6 +456,13 @@ DecodeStatus ARMDisassembler::getInstruction(MCInst &MI, uint64_t &Size, } MI.clear(); + result = decodeInstruction(DecoderTableVFPV832, MI, insn, Address, this, STI); + if (result != MCDisassembler::Fail) { + Size = 4; + return result; + } + + MI.clear(); result = decodeInstruction(DecoderTableNEONData32, MI, insn, Address, this, STI); if (result != MCDisassembler::Fail) { @@ -764,6 +771,14 @@ DecodeStatus ThumbDisassembler::getInstruction(MCInst &MI, uint64_t &Size, } } + MI.clear(); + result = decodeInstruction(DecoderTableVFPV832, MI, insn32, Address, this, STI); + if (result != MCDisassembler::Fail) { + Size = 4; + UpdateThumbVFPPredicate(MI); + return result; + } + if (fieldFromInstruction(insn32, 28, 4) == 0xE) { MI.clear(); result = decodeInstruction(DecoderTableNEONDup32, MI, insn32, Address, |