diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 4604af6..593ed06 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2255,6 +2255,47 @@ proc check_effective_target_arm_neon_ok { } {
 		check_effective_target_arm_neon_ok_nocache]
 }
 
+# Return 1 if this is an ARM target supporting -mfpu=neon-fp16
+# -mfloat-abi=softfp or equivalent options.  Some multilibs may be
+# incompatible with these options.  Also set et_arm_neon_flags to the
+# best options to add.
+
+proc check_effective_target_arm_neon_fp16_ok_nocache { } {
+    global et_arm_neon_fp16_flags
+    set et_arm_neon_fp16_flags ""
+    if { [check_effective_target_arm32] } {
+	foreach flags {"" "-mfloat-abi=softfp" "-mfpu=neon-fp16"
+	               "-mfpu=neon-fp16 -mfloat-abi=softfp"} {
+	    if { [check_no_compiler_messages_nocache arm_neon_fp_16_ok object {
+		#include "arm_neon.h"
+		float16x4_t
+		foo (float32x4_t arg)
+		{
+                  return vcvt_f16_f32 (arg);
+		}
+	    } "$flags"] } {
+		set et_arm_neon_fp16_flags $flags
+		return 1
+	    }
+	}
+    }
+
+    return 0
+}
+
+proc check_effective_target_arm_neon_fp16_ok { } {
+    return [check_cached_effective_target arm_neon_fp16_ok \
+		check_effective_target_arm_neon_fp16_ok_nocache]
+}
+
+proc add_options_for_arm_neon_fp16 { flags } {
+    if { ! [check_effective_target_arm_neon_fp16_ok] } {
+	return "$flags"
+    }
+    global et_arm_neon_fp16_flags
+    return "$flags $et_arm_neon_fp16_flags"
+}
+
 # Return 1 if this is an ARM target supporting -mfpu=neon-fp-armv8
 # -mfloat-abi=softfp or equivalent options.  Some multilibs may be
 # incompatible with these options.  Also set et_arm_v8_neon_flags to the