add a fixme

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44523 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/Builtins.def b/include/clang/AST/Builtins.def
index 501ab22f7a04101be4626fdca8ad2a731bc5fe77..d95dbd4301e047ce042bb54d293a510ab341d06b 100644 (file)
--- a/include/clang/AST/Builtins.def
+++ b/include/clang/AST/Builtins.def
@@ -66,16 +66,18 @@ BUILTIN(__builtin_fabsl, "LdLd", "ncF")
 BUILTIN(__builtin_clz  , "iUi"  , "nc")
 BUILTIN(__builtin_clzl , "iULi" , "nc")
 BUILTIN(__builtin_clzll, "iULLi", "nc")
-// fixme: int clzimax(uintmax_t)
+// TODO: int clzimax(uintmax_t)
 BUILTIN(__builtin_ctz  , "iUi"  , "nc")
 BUILTIN(__builtin_ctzl , "iULi" , "nc")
 BUILTIN(__builtin_ctzll, "iULLi", "nc")
-// fixme: int ctzimax(uintmax_t)
+// TODO: int ctzimax(uintmax_t)
 
-
-// Random GCC builtins
+// FIXME: These type signatures are not correct for targets with int != 32-bits
+// or with ULL != 64-bits.
 BUILTIN(__builtin_bswap32, "UiUi", "nc")
 BUILTIN(__builtin_bswap64, "ULLiULLi", "nc")
+
+// Random GCC builtins
 BUILTIN(__builtin_constant_p, "UsUs", "nc")
 BUILTIN(__builtin_classify_type, "i.", "nc")
 BUILTIN(__builtin___CFStringMakeConstantString, "FC*cC*", "nc")