Add comments explaining why there's only one register for
authorDan Gohman <gohman@apple.com>
Mon, 23 Mar 2009 04:28:24 +0000 (04:28 +0000)
committerDan Gohman <gohman@apple.com>
Mon, 23 Mar 2009 04:28:24 +0000 (04:28 +0000)
commit82f84159e0ec945657054ddcf465aca3253339ab
treec99519efec0ecb935823f8dbed53343a2b1e44f9
parenta38ff646bc0ca873b3fe73b8d69e31209bedb2e2
Add comments explaining why there's only one register for
i8 return values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67502 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86CallingConv.td