[x86] Add basic support for .code16
This is not really expected to work right yet. Mostly because we will
still emit the OpSize (0x66) prefix in all the wrong places, along with
a number of other corner cases. Those will all be fixed in the subsequent
commits.
Patch from David Woodhouse.
llvm-svn: 198584
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
index 403e50d..09803f3 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
@@ -47,9 +47,9 @@
Triple TheTriple(TT);
std::string FS;
if (TheTriple.getArch() == Triple::x86_64)
- FS = "+64bit-mode";
+ FS = "+64bit-mode,-32bit-mode,-16bit-mode";
else
- FS = "-64bit-mode";
+ FS = "-64bit-mode,+32bit-mode,-16bit-mode";
return FS;
}