diff --git a/std/special/compiler_rt/index.zig b/std/special/compiler_rt/index.zig
index fda8d9d8af..0eca064dda 100644
--- a/std/special/compiler_rt/index.zig
+++ b/std/special/compiler_rt/index.zig
@@ -21,12 +21,20 @@ comptime {
 
     @export("__unordtf2", @import("comparetf2.zig").__unordtf2, linkage);
 
+    @export("__floatunditf", @import("floatunditf.zig").__floatunditf, linkage);
+    @export("__floatunsitf", @import("floatunsitf.zig").__floatunsitf, linkage);
+
+    @export("__floatuntitf", @import("floatuntitf.zig").__floatuntitf, linkage);
     @export("__floatuntidf", @import("floatuntidf.zig").__floatuntidf, linkage);
+    @export("__floatuntisf", @import("floatuntisf.zig").__floatuntisf, linkage);
+
     @export("__extenddftf2", @import("extendXfYf2.zig").__extenddftf2, linkage);
     @export("__extendsftf2", @import("extendXfYf2.zig").__extendsftf2, linkage);
     @export("__extendhfsf2", @import("extendXfYf2.zig").__extendhfsf2, linkage);
 
     @export("__truncsfhf2", @import("truncXfYf2.zig").__truncsfhf2, linkage);
+    @export("__trunctfdf2", @import("truncXfYf2.zig").__trunctfdf2, linkage);
+    @export("__trunctfsf2", @import("truncXfYf2.zig").__trunctfsf2, linkage);
 
     @export("__fixunssfsi", @import("fixunssfsi.zig").__fixunssfsi, linkage);
     @export("__fixunssfdi", @import("fixunssfdi.zig").__fixunssfdi, linkage);