diff --git a/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn b/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
--- a/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
+++ b/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
@@ -193,10 +193,8 @@
     "subvsi3.c",
     "subvti3.c",
     "trampoline_setup.c",
-    "truncdfbf2.c",
     "truncdfhf2.c",
     "truncdfsf2.c",
-    "truncsfbf2.c",
     "truncsfhf2.c",
     "ucmpdi2.c",
     "ucmpti2.c",
@@ -282,6 +280,8 @@
       "i386/fp_mode.c",
       "mulxc3.c",
       "powixf2.c",
+      "truncdfbf2.c",
+      "truncsfbf2.c",
     ]
   }
   if (current_cpu == "x86") {