diff --git a/qemu/aarch64.h b/qemu/aarch64.h
index b6173f0a..64639702 100644
--- a/qemu/aarch64.h
+++ b/qemu/aarch64.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_aarch64
 #define float16_is_signaling_nan float16_is_signaling_nan_aarch64
 #define float16_maybe_silence_nan float16_maybe_silence_nan_aarch64
+#define float16_squash_input_denormal float16_squash_input_denormal_aarch64
 #define float16_to_float32 float16_to_float32_aarch64
 #define float16_to_float64 float16_to_float64_aarch64
 #define float32ToCommonNaN float32ToCommonNaN_aarch64
diff --git a/qemu/aarch64eb.h b/qemu/aarch64eb.h
index 2f134370..38ad68d1 100644
--- a/qemu/aarch64eb.h
+++ b/qemu/aarch64eb.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_aarch64eb
 #define float16_is_signaling_nan float16_is_signaling_nan_aarch64eb
 #define float16_maybe_silence_nan float16_maybe_silence_nan_aarch64eb
+#define float16_squash_input_denormal float16_squash_input_denormal_aarch64eb
 #define float16_to_float32 float16_to_float32_aarch64eb
 #define float16_to_float64 float16_to_float64_aarch64eb
 #define float32ToCommonNaN float32ToCommonNaN_aarch64eb
diff --git a/qemu/arm.h b/qemu/arm.h
index c5b0f1f0..6b000561 100644
--- a/qemu/arm.h
+++ b/qemu/arm.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_arm
 #define float16_is_signaling_nan float16_is_signaling_nan_arm
 #define float16_maybe_silence_nan float16_maybe_silence_nan_arm
+#define float16_squash_input_denormal float16_squash_input_denormal_arm
 #define float16_to_float32 float16_to_float32_arm
 #define float16_to_float64 float16_to_float64_arm
 #define float32ToCommonNaN float32ToCommonNaN_arm
diff --git a/qemu/armeb.h b/qemu/armeb.h
index 9439b9ac..ac58929c 100644
--- a/qemu/armeb.h
+++ b/qemu/armeb.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_armeb
 #define float16_is_signaling_nan float16_is_signaling_nan_armeb
 #define float16_maybe_silence_nan float16_maybe_silence_nan_armeb
+#define float16_squash_input_denormal float16_squash_input_denormal_armeb
 #define float16_to_float32 float16_to_float32_armeb
 #define float16_to_float64 float16_to_float64_armeb
 #define float32ToCommonNaN float32ToCommonNaN_armeb
diff --git a/qemu/fpu/softfloat.c b/qemu/fpu/softfloat.c
index 8a325bc2..08594f54 100644
--- a/qemu/fpu/softfloat.c
+++ b/qemu/fpu/softfloat.c
@@ -3452,6 +3452,21 @@ static float16 roundAndPackFloat16(flag zSign, int zExp,
     return packFloat16(zSign, zExp, zSig >> 13);
 }
 
+/*----------------------------------------------------------------------------
+| If `a' is denormal and we are in flush-to-zero mode then set the
+| input-denormal exception and return zero. Otherwise just return the value.
+*----------------------------------------------------------------------------*/
+float16 float16_squash_input_denormal(float16 a, float_status *status)
+{
+    if (status->flush_inputs_to_zero) {
+        if (extractFloat16Exp(a) == 0 && extractFloat16Frac(a) != 0) {
+            float_raise(float_flag_input_denormal, status);
+            return make_float16(float16_val(a) & 0x8000);
+        }
+    }
+    return a;
+}
+
 static void normalizeFloat16Subnormal(uint32_t aSig, int *zExpPtr,
                                       uint32_t *zSigPtr)
 {
diff --git a/qemu/header_gen.py b/qemu/header_gen.py
index b4e3e82e..fbb45c07 100644
--- a/qemu/header_gen.py
+++ b/qemu/header_gen.py
@@ -497,6 +497,7 @@ symbols = (
     'float16_is_quiet_nan',
     'float16_is_signaling_nan',
     'float16_maybe_silence_nan',
+    'float16_squash_input_denormal',
     'float16_to_float32',
     'float16_to_float64',
     'float32ToCommonNaN',
diff --git a/qemu/include/fpu/softfloat.h b/qemu/include/fpu/softfloat.h
index b2121abc..69fb965d 100644
--- a/qemu/include/fpu/softfloat.h
+++ b/qemu/include/fpu/softfloat.h
@@ -289,6 +289,7 @@ void float_raise(uint8_t flags, float_status *status);
 | If `a' is denormal and we are in flush-to-zero mode then set the
 | input-denormal exception and return zero. Otherwise just return the value.
 *----------------------------------------------------------------------------*/
+float16 float16_squash_input_denormal(float16 a, float_status *status);
 float32 float32_squash_input_denormal(float32 a, float_status *status);
 float64 float64_squash_input_denormal(float64 a, float_status *status);
 
diff --git a/qemu/m68k.h b/qemu/m68k.h
index 532d30c0..e6c8bd73 100644
--- a/qemu/m68k.h
+++ b/qemu/m68k.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_m68k
 #define float16_is_signaling_nan float16_is_signaling_nan_m68k
 #define float16_maybe_silence_nan float16_maybe_silence_nan_m68k
+#define float16_squash_input_denormal float16_squash_input_denormal_m68k
 #define float16_to_float32 float16_to_float32_m68k
 #define float16_to_float64 float16_to_float64_m68k
 #define float32ToCommonNaN float32ToCommonNaN_m68k
diff --git a/qemu/mips.h b/qemu/mips.h
index 299d816c..7ce22446 100644
--- a/qemu/mips.h
+++ b/qemu/mips.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_mips
 #define float16_is_signaling_nan float16_is_signaling_nan_mips
 #define float16_maybe_silence_nan float16_maybe_silence_nan_mips
+#define float16_squash_input_denormal float16_squash_input_denormal_mips
 #define float16_to_float32 float16_to_float32_mips
 #define float16_to_float64 float16_to_float64_mips
 #define float32ToCommonNaN float32ToCommonNaN_mips
diff --git a/qemu/mips64.h b/qemu/mips64.h
index 3a6f09d7..08c68ce0 100644
--- a/qemu/mips64.h
+++ b/qemu/mips64.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_mips64
 #define float16_is_signaling_nan float16_is_signaling_nan_mips64
 #define float16_maybe_silence_nan float16_maybe_silence_nan_mips64
+#define float16_squash_input_denormal float16_squash_input_denormal_mips64
 #define float16_to_float32 float16_to_float32_mips64
 #define float16_to_float64 float16_to_float64_mips64
 #define float32ToCommonNaN float32ToCommonNaN_mips64
diff --git a/qemu/mips64el.h b/qemu/mips64el.h
index dab784d5..520a091b 100644
--- a/qemu/mips64el.h
+++ b/qemu/mips64el.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_mips64el
 #define float16_is_signaling_nan float16_is_signaling_nan_mips64el
 #define float16_maybe_silence_nan float16_maybe_silence_nan_mips64el
+#define float16_squash_input_denormal float16_squash_input_denormal_mips64el
 #define float16_to_float32 float16_to_float32_mips64el
 #define float16_to_float64 float16_to_float64_mips64el
 #define float32ToCommonNaN float32ToCommonNaN_mips64el
diff --git a/qemu/mipsel.h b/qemu/mipsel.h
index 939de5a2..31bebed7 100644
--- a/qemu/mipsel.h
+++ b/qemu/mipsel.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_mipsel
 #define float16_is_signaling_nan float16_is_signaling_nan_mipsel
 #define float16_maybe_silence_nan float16_maybe_silence_nan_mipsel
+#define float16_squash_input_denormal float16_squash_input_denormal_mipsel
 #define float16_to_float32 float16_to_float32_mipsel
 #define float16_to_float64 float16_to_float64_mipsel
 #define float32ToCommonNaN float32ToCommonNaN_mipsel
diff --git a/qemu/powerpc.h b/qemu/powerpc.h
index 955524c0..bde83cf6 100644
--- a/qemu/powerpc.h
+++ b/qemu/powerpc.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_powerpc
 #define float16_is_signaling_nan float16_is_signaling_nan_powerpc
 #define float16_maybe_silence_nan float16_maybe_silence_nan_powerpc
+#define float16_squash_input_denormal float16_squash_input_denormal_powerpc
 #define float16_to_float32 float16_to_float32_powerpc
 #define float16_to_float64 float16_to_float64_powerpc
 #define float32ToCommonNaN float32ToCommonNaN_powerpc
diff --git a/qemu/sparc.h b/qemu/sparc.h
index ec9b72cb..aa01ea5e 100644
--- a/qemu/sparc.h
+++ b/qemu/sparc.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_sparc
 #define float16_is_signaling_nan float16_is_signaling_nan_sparc
 #define float16_maybe_silence_nan float16_maybe_silence_nan_sparc
+#define float16_squash_input_denormal float16_squash_input_denormal_sparc
 #define float16_to_float32 float16_to_float32_sparc
 #define float16_to_float64 float16_to_float64_sparc
 #define float32ToCommonNaN float32ToCommonNaN_sparc
diff --git a/qemu/sparc64.h b/qemu/sparc64.h
index f58c57cc..8828489c 100644
--- a/qemu/sparc64.h
+++ b/qemu/sparc64.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_sparc64
 #define float16_is_signaling_nan float16_is_signaling_nan_sparc64
 #define float16_maybe_silence_nan float16_maybe_silence_nan_sparc64
+#define float16_squash_input_denormal float16_squash_input_denormal_sparc64
 #define float16_to_float32 float16_to_float32_sparc64
 #define float16_to_float64 float16_to_float64_sparc64
 #define float32ToCommonNaN float32ToCommonNaN_sparc64
diff --git a/qemu/x86_64.h b/qemu/x86_64.h
index 0b81bbf7..2eb879a4 100644
--- a/qemu/x86_64.h
+++ b/qemu/x86_64.h
@@ -491,6 +491,7 @@
 #define float16_is_quiet_nan float16_is_quiet_nan_x86_64
 #define float16_is_signaling_nan float16_is_signaling_nan_x86_64
 #define float16_maybe_silence_nan float16_maybe_silence_nan_x86_64
+#define float16_squash_input_denormal float16_squash_input_denormal_x86_64
 #define float16_to_float32 float16_to_float32_x86_64
 #define float16_to_float64 float16_to_float64_x86_64
 #define float32ToCommonNaN float32ToCommonNaN_x86_64