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| author | Chris Lattner <sabre@nondot.org> | 2010-09-15 04:37:18 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-09-15 04:37:18 +0000 |
| commit | 6b40b0def1304f9f17db3d3fcbd490bc9b2ef4e2 (patch) | |
| tree | 9660905500b08a62161bd8c906337055c1d6203d /llvm/lib | |
| parent | 4bd21710b6502382ed142f8e0e879fa63ed5a193 (diff) | |
| download | bcm5719-llvm-6b40b0def1304f9f17db3d3fcbd490bc9b2ef4e2.tar.gz bcm5719-llvm-6b40b0def1304f9f17db3d3fcbd490bc9b2ef4e2.zip | |
implement aliases for shld/shrd, part of rdar://8418316
llvm-svn: 113937
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp index 4856cc9283c..7afa7e66d5e 100644 --- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -833,6 +833,15 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.push_back(X86Operand::CreateImm(One, NameLoc, NameLoc)); std::swap(Operands[1], Operands[2]); } + + // FIXME: Hack to handle recognize "sh[lr]d op,op" -> "shld $1, op,op". + if ((Name.startswith("shld") || Name.startswith("shrd")) && + Operands.size() == 3) { + const MCExpr *One = MCConstantExpr::Create(1, getParser().getContext()); + Operands.insert(Operands.begin()+1, + X86Operand::CreateImm(One, NameLoc, NameLoc)); + } + // FIXME: Hack to handle recognize "in[bwl] <op>". Canonicalize it to // "inb <op>, %al". |
