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author | Craig Topper <craig.topper@gmail.com> | 2014-01-05 04:17:28 +0000 |
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committer | Craig Topper <craig.topper@gmail.com> | 2014-01-05 04:17:28 +0000 |
commit | 527f1326279353c15b61cb51c31eaed1ac2abd58 (patch) | |
tree | c87757541e97e887ea3994a83436e66c3664c909 /utils | |
parent | 272690897ed88b0a53538aefafd7d084b3a7243c (diff) | |
download | llvm-527f1326279353c15b61cb51c31eaed1ac2abd58.tar.gz llvm-527f1326279353c15b61cb51c31eaed1ac2abd58.tar.bz2 llvm-527f1326279353c15b61cb51c31eaed1ac2abd58.tar.xz |
Add a new x86 specific instruction flag to force some isCodeGenOnly instructions to go through to the disassembler tables without resorting to string matches. Apply flag to all _REV instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198543 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
-rw-r--r-- | utils/TableGen/X86RecognizableInstr.cpp | 3 | ||||
-rw-r--r-- | utils/TableGen/X86RecognizableInstr.h | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp index d9ad269623..2fac3519d2 100644 --- a/utils/TableGen/X86RecognizableInstr.cpp +++ b/utils/TableGen/X86RecognizableInstr.cpp @@ -248,6 +248,7 @@ RecognizableInstr::RecognizableInstr(DisassemblerTables &tables, HasEVEX_B = Rec->getValueAsBit("hasEVEX_B"); HasLockPrefix = Rec->getValueAsBit("hasLockPrefix"); IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly"); + ForceDisassemble = Rec->getValueAsBit("ForceDisassemble"); Name = Rec->getName(); AsmString = Rec->getValueAsString("AsmString"); @@ -483,7 +484,7 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const { assert(Rec->isSubClassOf("X86Inst") && "Can only filter X86 instructions"); if (Form == X86Local::Pseudo || - (IsCodeGenOnly && Name.find("_REV") == Name.npos && + (IsCodeGenOnly && !ForceDisassemble && Name.find("INC32") == Name.npos && Name.find("DEC32") == Name.npos)) return FILTER_STRONG; diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h index 65b5c85981..ff111a3dab 100644 --- a/utils/TableGen/X86RecognizableInstr.h +++ b/utils/TableGen/X86RecognizableInstr.h @@ -78,8 +78,10 @@ private: bool HasEVEX_B; /// The hasLockPrefix field from the record bool HasLockPrefix; - /// The isCodeGenOnly filed from the record + /// The isCodeGenOnly field from the record bool IsCodeGenOnly; + /// The ForceDisassemble field from the record + bool ForceDisassemble; // Whether the instruction has the predicate "In64BitMode" bool Is64Bit; // Whether the instruction has the predicate "In32BitMode" |