diff options
| author | Bill Wendling <isanbard@gmail.com> | 2010-09-21 01:39:34 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-09-21 01:39:34 +0000 |
| commit | 2e81caa14337cfa8973a1a073ef4dbbb8273238c (patch) | |
| tree | b5226f2153cc10f264f23e332ac8d9d19657c4cb | |
| parent | b9d775734b02e5369bdfa78fa3e479c7281a9761 (diff) | |
Add a comment explaining why the MMX builtins are segregated and what we plan on
doing with them. It's a "FIXME" right now because this change hasn't been
implemented yet.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114385 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/clang/Basic/BuiltinsX86.def | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/clang/Basic/BuiltinsX86.def b/include/clang/Basic/BuiltinsX86.def index 955e71c30e..025e7b60c2 100644 --- a/include/clang/Basic/BuiltinsX86.def +++ b/include/clang/Basic/BuiltinsX86.def @@ -25,6 +25,10 @@ // FIXME: Are these nothrow/const? // MMX +// +// FIXME: All MMX instructions will be generated via builtins. Any MMX vector +// types (<1 x i64>, <2 x i32>, etc.) that aren't used by these builtins will be +// expanded by the back-end. BUILTIN(__builtin_ia32_emms, "v", "") BUILTIN(__builtin_ia32_femms, "v", "") BUILTIN(__builtin_ia32_paddb, "V8cV8cV8c", "") |