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| author | Nowar Gu <nowar100@gmail.com> | 2011-06-17 14:29:24 +0800 |
|---|---|---|
| committer | Nowar Gu <nowar100@gmail.com> | 2011-06-20 15:49:07 +0800 |
| commit | 907af0f20f58f2ea26da7ea64e1f094cd6880db7 (patch) | |
| tree | 02007757de416c561df174d582205cebfa582801 /lib/Target/X86/AsmParser/X86AsmParser.cpp | |
| parent | 1d4f9a57447faa0142a1d0301e5ce550cfe60c4f (diff) | |
| parent | ec324e5ae44025c6bdb930b78198f30f807e355b (diff) | |
| download | external_llvm-907af0f20f58f2ea26da7ea64e1f094cd6880db7.zip external_llvm-907af0f20f58f2ea26da7ea64e1f094cd6880db7.tar.gz external_llvm-907af0f20f58f2ea26da7ea64e1f094cd6880db7.tar.bz2 | |
Merge upstream to r133240 at Fri. 17th Jun 2011.
Conflicts:
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
lib/Target/ARM/ARMCodeEmitter.cpp
Diffstat (limited to 'lib/Target/X86/AsmParser/X86AsmParser.cpp')
| -rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index e0989b0..c352bfc 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -928,6 +928,18 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.erase(Operands.begin() + 1); } } + + // Transforms "int $3" into "int3" as a size optimization. We can't write an + // instalias with an immediate operand yet. + if (Name == "int" && Operands.size() == 2) { + X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]); + if (Op1->isImm() && isa<MCConstantExpr>(Op1->getImm()) && + cast<MCConstantExpr>(Op1->getImm())->getValue() == 3) { + delete Operands[1]; + Operands.erase(Operands.begin() + 1); + static_cast<X86Operand*>(Operands[0])->setTokenValue("int3"); + } + } return false; } |