Updated per review + fix.

Author: JonPsson1

compiler-rt/lib/builtins/extendhfdf2.c

@@ -12,16 +12,6 @@
 
 // Use a forwarding definition and noinline to implement a poor man's alias,
 // as there isn't a good cross-platform way of defining one.
-COMPILER_RT_ABI NOINLINE float __extendhfdf2(src_t a) {
+COMPILER_RT_ABI NOINLINE dst_t __extendhfdf2(src_t a) {
   return __extendXfYf2__(a);
 }
-
-COMPILER_RT_ABI float __gnu_h2d_ieee(src_t a) { return __extendhfdf2(a); }
-
-#if defined(__ARM_EABI__)
-#if defined(COMPILER_RT_ARMHF_TARGET)
-AEABI_RTABI float __aeabi_h2d(src_t a) { return __extendhfdf2(a); }
-#else
-COMPILER_RT_ALIAS(__extendhfdf2, __aeabi_h2d)
-#endif
-#endif

compiler-rt/lib/builtins/extendhftf2.c

@@ -10,7 +10,7 @@
 #define QUAD_PRECISION
 #include "fp_lib.h"
 
-#if defined(CRT_HAS_TF_MODE)
+#if defined(CRT_HAS_TF_MODE) && defined(COMPILER_RT_HAS_FLOAT16)
 #define SRC_HALF
 #define DST_QUAD
 #include "fp_extend_impl.inc"