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| author | Daniel Dunbar <daniel@zuster.org> | 2010-08-24 19:24:18 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-08-24 19:24:18 +0000 |
| commit | ae528f65ba731e2e080822496ef36db950ffe1c1 (patch) | |
| tree | 15134f24515cf2e9c42318ae672523fcd516804e | |
| parent | e17edff28f684b5c59db395bdecb7b5330638398 (diff) | |
| download | external_llvm-ae528f65ba731e2e080822496ef36db950ffe1c1.tar.gz external_llvm-ae528f65ba731e2e080822496ef36db950ffe1c1.tar.bz2 external_llvm-ae528f65ba731e2e080822496ef36db950ffe1c1.zip | |
MC/X86: Add custom hack for recognizing "imul $12, %eax" and friends.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111947 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 8 | ||||
| -rw-r--r-- | test/MC/AsmParser/X86/x86_instructions.s | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index 204ccf77a7..3f10b8e2f5 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -826,6 +826,14 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.erase(Operands.begin() + 2); } + // FIXME: Hack to handle "imul A, B" which is an alias for "imul A, B, B". + if (Name.startswith("imul") && Operands.size() == 3 && + static_cast<X86Operand*>(Operands.back())->isReg()) { + X86Operand *Op = static_cast<X86Operand*>(Operands.back()); + Operands.push_back(X86Operand::CreateReg(Op->getReg(), Op->getStartLoc(), + Op->getEndLoc())); + } + return false; } diff --git a/test/MC/AsmParser/X86/x86_instructions.s b/test/MC/AsmParser/X86/x86_instructions.s index 8adcc9e0cd..eed69e07d3 100644 --- a/test/MC/AsmParser/X86/x86_instructions.s +++ b/test/MC/AsmParser/X86/x86_instructions.s @@ -158,3 +158,6 @@ INT3 // CHECK: movaps %xmm3, (%esi) // CHECK-STDERR: warning: scale factor without index register is ignored movaps %xmm3, (%esi, 2) + +// CHECK: imull $12, %eax, %eax +imul $12, %eax |