GCC does not generate `__unix` nor `unix` macros. The latter already
intrudes into the user's namespace and should be avoided. Use the
canonical spelling of `__unix__` across all the targets.
llvm-svn: 294148
Summary:
le64 is a generic little-endian 64-bit processor, mimicking le32.
Also see the associated LLVM change.
Test Plan: make check-all
Reviewers: dschuff
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D5318
llvm-svn: 217694