diff --git a/qemu/aarch64.h b/qemu/aarch64.h
index afca0ee8..a522518b 100644
--- a/qemu/aarch64.h
+++ b/qemu/aarch64.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_aarch64
 #define int128_zero int128_zero_aarch64
 #define int16_to_float16 int16_to_float16_aarch64
+#define int16_to_float16_scalbn int16_to_float16_scalbn_aarch64
 #define int16_to_float32 int16_to_float32_aarch64
+#define int16_to_float32_scalbn int16_to_float32_scalbn_aarch64
 #define int16_to_float64 int16_to_float64_aarch64
+#define int16_to_float64_scalbn int16_to_float64_scalbn_aarch64
 #define int32_to_float128 int32_to_float128_aarch64
 #define int32_to_float16 int32_to_float16_aarch64
+#define int32_to_float16_scalbn int32_to_float16_scalbn_aarch64
 #define int32_to_float32 int32_to_float32_aarch64
+#define int32_to_float32_scalbn int32_to_float32_scalbn_aarch64
 #define int32_to_float64 int32_to_float64_aarch64
+#define int32_to_float64_scalbn int32_to_float64_scalbn_aarch64
 #define int32_to_floatx80 int32_to_floatx80_aarch64
 #define int64_to_float128 int64_to_float128_aarch64
 #define int64_to_float16 int64_to_float16_aarch64
+#define int64_to_float16_scalbn int64_to_float16_scalbn_aarch64
 #define int64_to_float32 int64_to_float32_aarch64
+#define int64_to_float32_scalbn int64_to_float32_scalbn_aarch64
 #define int64_to_float64 int64_to_float64_aarch64
+#define int64_to_float64_scalbn int64_to_float64_scalbn_aarch64
 #define int64_to_floatx80 int64_to_floatx80_aarch64
 #define invalidate_and_set_dirty invalidate_and_set_dirty_aarch64
 #define invalidate_page_bitmap invalidate_page_bitmap_aarch64
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_aarch64
 #define type_table_lookup type_table_lookup_aarch64
 #define uint16_to_float16 uint16_to_float16_aarch64
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_aarch64
 #define uint16_to_float32 uint16_to_float32_aarch64
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_aarch64
 #define uint16_to_float64 uint16_to_float64_aarch64
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_aarch64
 #define uint32_to_float16 uint32_to_float16_aarch64
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_aarch64
 #define uint32_to_float32 uint32_to_float32_aarch64
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_aarch64
 #define uint32_to_float64 uint32_to_float64_aarch64
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_aarch64
 #define uint64_to_float128 uint64_to_float128_aarch64
 #define uint64_to_float16 uint64_to_float16_aarch64
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_aarch64
 #define uint64_to_float32 uint64_to_float32_aarch64
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_aarch64
 #define uint64_to_float64 uint64_to_float64_aarch64
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_aarch64
 #define unassigned_io_ops unassigned_io_ops_aarch64
 #define unassigned_io_read unassigned_io_read_aarch64
 #define unassigned_io_write unassigned_io_write_aarch64
diff --git a/qemu/aarch64eb.h b/qemu/aarch64eb.h
index 46b5920e..bdeb3c8a 100644
--- a/qemu/aarch64eb.h
+++ b/qemu/aarch64eb.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_aarch64eb
 #define int128_zero int128_zero_aarch64eb
 #define int16_to_float16 int16_to_float16_aarch64eb
+#define int16_to_float16_scalbn int16_to_float16_scalbn_aarch64eb
 #define int16_to_float32 int16_to_float32_aarch64eb
+#define int16_to_float32_scalbn int16_to_float32_scalbn_aarch64eb
 #define int16_to_float64 int16_to_float64_aarch64eb
+#define int16_to_float64_scalbn int16_to_float64_scalbn_aarch64eb
 #define int32_to_float128 int32_to_float128_aarch64eb
 #define int32_to_float16 int32_to_float16_aarch64eb
+#define int32_to_float16_scalbn int32_to_float16_scalbn_aarch64eb
 #define int32_to_float32 int32_to_float32_aarch64eb
+#define int32_to_float32_scalbn int32_to_float32_scalbn_aarch64eb
 #define int32_to_float64 int32_to_float64_aarch64eb
+#define int32_to_float64_scalbn int32_to_float64_scalbn_aarch64eb
 #define int32_to_floatx80 int32_to_floatx80_aarch64eb
 #define int64_to_float128 int64_to_float128_aarch64eb
 #define int64_to_float16 int64_to_float16_aarch64eb
+#define int64_to_float16_scalbn int64_to_float16_scalbn_aarch64eb
 #define int64_to_float32 int64_to_float32_aarch64eb
+#define int64_to_float32_scalbn int64_to_float32_scalbn_aarch64eb
 #define int64_to_float64 int64_to_float64_aarch64eb
+#define int64_to_float64_scalbn int64_to_float64_scalbn_aarch64eb
 #define int64_to_floatx80 int64_to_floatx80_aarch64eb
 #define invalidate_and_set_dirty invalidate_and_set_dirty_aarch64eb
 #define invalidate_page_bitmap invalidate_page_bitmap_aarch64eb
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_aarch64eb
 #define type_table_lookup type_table_lookup_aarch64eb
 #define uint16_to_float16 uint16_to_float16_aarch64eb
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_aarch64eb
 #define uint16_to_float32 uint16_to_float32_aarch64eb
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_aarch64eb
 #define uint16_to_float64 uint16_to_float64_aarch64eb
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_aarch64eb
 #define uint32_to_float16 uint32_to_float16_aarch64eb
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_aarch64eb
 #define uint32_to_float32 uint32_to_float32_aarch64eb
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_aarch64eb
 #define uint32_to_float64 uint32_to_float64_aarch64eb
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_aarch64eb
 #define uint64_to_float128 uint64_to_float128_aarch64eb
 #define uint64_to_float16 uint64_to_float16_aarch64eb
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_aarch64eb
 #define uint64_to_float32 uint64_to_float32_aarch64eb
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_aarch64eb
 #define uint64_to_float64 uint64_to_float64_aarch64eb
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_aarch64eb
 #define unassigned_io_ops unassigned_io_ops_aarch64eb
 #define unassigned_io_read unassigned_io_read_aarch64eb
 #define unassigned_io_write unassigned_io_write_aarch64eb
diff --git a/qemu/arm.h b/qemu/arm.h
index fbb62ddc..d04666f4 100644
--- a/qemu/arm.h
+++ b/qemu/arm.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_arm
 #define int128_zero int128_zero_arm
 #define int16_to_float16 int16_to_float16_arm
+#define int16_to_float16_scalbn int16_to_float16_scalbn_arm
 #define int16_to_float32 int16_to_float32_arm
+#define int16_to_float32_scalbn int16_to_float32_scalbn_arm
 #define int16_to_float64 int16_to_float64_arm
+#define int16_to_float64_scalbn int16_to_float64_scalbn_arm
 #define int32_to_float128 int32_to_float128_arm
 #define int32_to_float16 int32_to_float16_arm
+#define int32_to_float16_scalbn int32_to_float16_scalbn_arm
 #define int32_to_float32 int32_to_float32_arm
+#define int32_to_float32_scalbn int32_to_float32_scalbn_arm
 #define int32_to_float64 int32_to_float64_arm
+#define int32_to_float64_scalbn int32_to_float64_scalbn_arm
 #define int32_to_floatx80 int32_to_floatx80_arm
 #define int64_to_float128 int64_to_float128_arm
 #define int64_to_float16 int64_to_float16_arm
+#define int64_to_float16_scalbn int64_to_float16_scalbn_arm
 #define int64_to_float32 int64_to_float32_arm
+#define int64_to_float32_scalbn int64_to_float32_scalbn_arm
 #define int64_to_float64 int64_to_float64_arm
+#define int64_to_float64_scalbn int64_to_float64_scalbn_arm
 #define int64_to_floatx80 int64_to_floatx80_arm
 #define invalidate_and_set_dirty invalidate_and_set_dirty_arm
 #define invalidate_page_bitmap invalidate_page_bitmap_arm
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_arm
 #define type_table_lookup type_table_lookup_arm
 #define uint16_to_float16 uint16_to_float16_arm
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_arm
 #define uint16_to_float32 uint16_to_float32_arm
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_arm
 #define uint16_to_float64 uint16_to_float64_arm
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_arm
 #define uint32_to_float16 uint32_to_float16_arm
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_arm
 #define uint32_to_float32 uint32_to_float32_arm
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_arm
 #define uint32_to_float64 uint32_to_float64_arm
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_arm
 #define uint64_to_float128 uint64_to_float128_arm
 #define uint64_to_float16 uint64_to_float16_arm
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_arm
 #define uint64_to_float32 uint64_to_float32_arm
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_arm
 #define uint64_to_float64 uint64_to_float64_arm
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_arm
 #define unassigned_io_ops unassigned_io_ops_arm
 #define unassigned_io_read unassigned_io_read_arm
 #define unassigned_io_write unassigned_io_write_arm
diff --git a/qemu/armeb.h b/qemu/armeb.h
index 1067c020..cab1fc0d 100644
--- a/qemu/armeb.h
+++ b/qemu/armeb.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_armeb
 #define int128_zero int128_zero_armeb
 #define int16_to_float16 int16_to_float16_armeb
+#define int16_to_float16_scalbn int16_to_float16_scalbn_armeb
 #define int16_to_float32 int16_to_float32_armeb
+#define int16_to_float32_scalbn int16_to_float32_scalbn_armeb
 #define int16_to_float64 int16_to_float64_armeb
+#define int16_to_float64_scalbn int16_to_float64_scalbn_armeb
 #define int32_to_float128 int32_to_float128_armeb
 #define int32_to_float16 int32_to_float16_armeb
+#define int32_to_float16_scalbn int32_to_float16_scalbn_armeb
 #define int32_to_float32 int32_to_float32_armeb
+#define int32_to_float32_scalbn int32_to_float32_scalbn_armeb
 #define int32_to_float64 int32_to_float64_armeb
+#define int32_to_float64_scalbn int32_to_float64_scalbn_armeb
 #define int32_to_floatx80 int32_to_floatx80_armeb
 #define int64_to_float128 int64_to_float128_armeb
 #define int64_to_float16 int64_to_float16_armeb
+#define int64_to_float16_scalbn int64_to_float16_scalbn_armeb
 #define int64_to_float32 int64_to_float32_armeb
+#define int64_to_float32_scalbn int64_to_float32_scalbn_armeb
 #define int64_to_float64 int64_to_float64_armeb
+#define int64_to_float64_scalbn int64_to_float64_scalbn_armeb
 #define int64_to_floatx80 int64_to_floatx80_armeb
 #define invalidate_and_set_dirty invalidate_and_set_dirty_armeb
 #define invalidate_page_bitmap invalidate_page_bitmap_armeb
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_armeb
 #define type_table_lookup type_table_lookup_armeb
 #define uint16_to_float16 uint16_to_float16_armeb
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_armeb
 #define uint16_to_float32 uint16_to_float32_armeb
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_armeb
 #define uint16_to_float64 uint16_to_float64_armeb
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_armeb
 #define uint32_to_float16 uint32_to_float16_armeb
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_armeb
 #define uint32_to_float32 uint32_to_float32_armeb
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_armeb
 #define uint32_to_float64 uint32_to_float64_armeb
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_armeb
 #define uint64_to_float128 uint64_to_float128_armeb
 #define uint64_to_float16 uint64_to_float16_armeb
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_armeb
 #define uint64_to_float32 uint64_to_float32_armeb
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_armeb
 #define uint64_to_float64 uint64_to_float64_armeb
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_armeb
 #define unassigned_io_ops unassigned_io_ops_armeb
 #define unassigned_io_read unassigned_io_read_armeb
 #define unassigned_io_write unassigned_io_write_armeb
diff --git a/qemu/fpu/softfloat.c b/qemu/fpu/softfloat.c
index 3bc76c0b..8942b915 100644
--- a/qemu/fpu/softfloat.c
+++ b/qemu/fpu/softfloat.c
@@ -1604,81 +1604,121 @@ FLOAT_TO_UINT(64, 64)
  * to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
  */
 
-static FloatParts int_to_float(int64_t a, float_status *status)
+static FloatParts int_to_float(int64_t a, int scale, float_status *status)
 {
-    FloatParts r = {0};
+    FloatParts r = {0, 0, float_class_unclassified, false};
     if (a == 0) {
         r.cls = float_class_zero;
-        r.sign = false;
-    } else if (a == (1ULL << 63)) {
-        r.cls = float_class_normal;
-        r.sign = true;
-        r.frac = DECOMPOSED_IMPLICIT_BIT;
-        r.exp = 63;
     } else {
-        uint64_t f;
-        if (a < 0) {
-            f = -a;
-            r.sign = true;
-        } else {
-            f = a;
-            r.sign = false;
-        }
-        int shift = clz64(f) - 1;
+        uint64_t f = a;
+        int shift;
+
         r.cls = float_class_normal;
-        r.exp = (DECOMPOSED_BINARY_POINT - shift);
-        r.frac = f << shift;
+        if (a < 0) {
+            f = -f;
+            r.sign = true;
+        }
+        shift = clz64(f) - 1;
+        scale = MIN(MAX(scale, -0x10000), 0x10000);
+
+        r.exp = DECOMPOSED_BINARY_POINT - shift + scale;
+        r.frac = (shift < 0 ? DECOMPOSED_IMPLICIT_BIT : f << shift);
     }
 
     return r;
 }
 
+float16 int64_to_float16_scalbn(int64_t a, int scale, float_status *status)
+{
+    FloatParts pa = int_to_float(a, scale, status);
+    return float16_round_pack_canonical(pa, status);
+}
+
+float16 int32_to_float16_scalbn(int32_t a, int scale, float_status *status)
+{
+    return int64_to_float16_scalbn(a, scale, status);
+}
+
+float16 int16_to_float16_scalbn(int16_t a, int scale, float_status *status)
+{
+    return int64_to_float16_scalbn(a, scale, status);
+}
+
 float16 int64_to_float16(int64_t a, float_status *status)
 {
-    FloatParts pa = int_to_float(a, status);
-    return float16_round_pack_canonical(pa, status);
+    return int64_to_float16_scalbn(a, 0, status);
 }
 
 float16 int32_to_float16(int32_t a, float_status *status)
 {
-    return int64_to_float16(a, status);
+    return int64_to_float16_scalbn(a, 0, status);
 }
 
 float16 int16_to_float16(int16_t a, float_status *status)
 {
-    return int64_to_float16(a, status);
+    return int64_to_float16_scalbn(a, 0, status);
+}
+
+float32 int64_to_float32_scalbn(int64_t a, int scale, float_status *status)
+{
+    FloatParts pa = int_to_float(a, scale, status);
+    return float32_round_pack_canonical(pa, status);
+}
+
+float32 int32_to_float32_scalbn(int32_t a, int scale, float_status *status)
+{
+    return int64_to_float32_scalbn(a, scale, status);
+}
+
+float32 int16_to_float32_scalbn(int16_t a, int scale, float_status *status)
+{
+    return int64_to_float32_scalbn(a, scale, status);
 }
 
 float32 int64_to_float32(int64_t a, float_status *status)
 {
-    FloatParts pa = int_to_float(a, status);
-    return float32_round_pack_canonical(pa, status);
+    return int64_to_float32_scalbn(a, 0, status);
 }
 
 float32 int32_to_float32(int32_t a, float_status *status)
 {
-    return int64_to_float32(a, status);
+    return int64_to_float32_scalbn(a, 0, status);
 }
 
 float32 int16_to_float32(int16_t a, float_status *status)
 {
-    return int64_to_float32(a, status);
+    return int64_to_float32_scalbn(a, 0, status);
+}
+
+float64 int64_to_float64_scalbn(int64_t a, int scale, float_status *status)
+{
+    FloatParts pa = int_to_float(a, scale, status);
+    return float64_round_pack_canonical(pa, status);
+}
+
+float64 int32_to_float64_scalbn(int32_t a, int scale, float_status *status)
+{
+    return int64_to_float64_scalbn(a, scale, status);
+}
+
+float64 int16_to_float64_scalbn(int16_t a, int scale, float_status *status)
+{
+    return int64_to_float64_scalbn(a, scale, status);
 }
 
 float64 int64_to_float64(int64_t a, float_status *status)
 {
-    FloatParts pa = int_to_float(a, status);
-    return float64_round_pack_canonical(pa, status);
+    return int64_to_float64_scalbn(a, 0, status);
 }
 
 float64 int32_to_float64(int32_t a, float_status *status)
 {
-    return int64_to_float64(a, status);
+    return int64_to_float64_scalbn(a, 0, status);
 }
 
 float64 int16_to_float64(int16_t a, float_status *status)
 {
-    return int64_to_float64(a, status);
+    return int64_to_float64_scalbn(a, 0, status);
 }
 
 
@@ -1690,73 +1730,120 @@ float64 int16_to_float64(int16_t a, float_status *status)
  * IEC/IEEE Standard for Binary Floating-Point Arithmetic.
  */
 
-static FloatParts uint_to_float(uint64_t a, float_status *status)
+static FloatParts uint_to_float(uint64_t a, int scale, float_status *status)
 {
-    FloatParts r = { .sign = false};
+    FloatParts r = {0, 0, float_class_unclassified, false};
 
     if (a == 0) {
         r.cls = float_class_zero;
     } else {
-        int spare_bits = clz64(a) - 1;
+        scale = MIN(MAX(scale, -0x10000), 0x10000);
         r.cls = float_class_normal;
-        r.exp = DECOMPOSED_BINARY_POINT - spare_bits;
-        if (spare_bits < 0) {
-            shift64RightJamming(a, -spare_bits, &a);
+        if ((int64_t)a < 0) {
+            r.exp = DECOMPOSED_BINARY_POINT + 1 + scale;
+            shift64RightJamming(a, 1, &a);
             r.frac = a;
         } else {
-            r.frac = a << spare_bits;
+            int shift = clz64(a) - 1;
+            r.exp = DECOMPOSED_BINARY_POINT - shift + scale;
+            r.frac = a << shift;
         }
     }
 
     return r;
 }
 
+float16 uint64_to_float16_scalbn(uint64_t a, int scale, float_status *status)
+{
+    FloatParts pa = uint_to_float(a, scale, status);
+    return float16_round_pack_canonical(pa, status);
+}
+
+float16 uint32_to_float16_scalbn(uint32_t a, int scale, float_status *status)
+{
+    return uint64_to_float16_scalbn(a, scale, status);
+}
+
+float16 uint16_to_float16_scalbn(uint16_t a, int scale, float_status *status)
+{
+    return uint64_to_float16_scalbn(a, scale, status);
+}
+
 float16 uint64_to_float16(uint64_t a, float_status *status)
 {
-    FloatParts pa = uint_to_float(a, status);
-    return float16_round_pack_canonical(pa, status);
+    return uint64_to_float16_scalbn(a, 0, status);
 }
 
 float16 uint32_to_float16(uint32_t a, float_status *status)
 {
-    return uint64_to_float16(a, status);
+    return uint64_to_float16_scalbn(a, 0, status);
 }
 
 float16 uint16_to_float16(uint16_t a, float_status *status)
 {
-    return uint64_to_float16(a, status);
+    return uint64_to_float16_scalbn(a, 0, status);
+}
+
+float32 uint64_to_float32_scalbn(uint64_t a, int scale, float_status *status)
+{
+    FloatParts pa = uint_to_float(a, scale, status);
+    return float32_round_pack_canonical(pa, status);
+}
+
+float32 uint32_to_float32_scalbn(uint32_t a, int scale, float_status *status)
+{
+    return uint64_to_float32_scalbn(a, scale, status);
+}
+
+float32 uint16_to_float32_scalbn(uint16_t a, int scale, float_status *status)
+{
+    return uint64_to_float32_scalbn(a, scale, status);
 }
 
 float32 uint64_to_float32(uint64_t a, float_status *status)
 {
-    FloatParts pa = uint_to_float(a, status);
-    return float32_round_pack_canonical(pa, status);
+    return uint64_to_float32_scalbn(a, 0, status);
 }
 
 float32 uint32_to_float32(uint32_t a, float_status *status)
 {
-    return uint64_to_float32(a, status);
+    return uint64_to_float32_scalbn(a, 0, status);
 }
 
 float32 uint16_to_float32(uint16_t a, float_status *status)
 {
-    return uint64_to_float32(a, status);
+    return uint64_to_float32_scalbn(a, 0, status);
+}
+
+float64 uint64_to_float64_scalbn(uint64_t a, int scale, float_status *status)
+{
+    FloatParts pa = uint_to_float(a, scale, status);
+    return float64_round_pack_canonical(pa, status);
+}
+
+float64 uint32_to_float64_scalbn(uint32_t a, int scale, float_status *status)
+{
+    return uint64_to_float64_scalbn(a, scale, status);
+}
+
+float64 uint16_to_float64_scalbn(uint16_t a, int scale, float_status *status)
+{
+    return uint64_to_float64_scalbn(a, scale, status);
 }
 
 float64 uint64_to_float64(uint64_t a, float_status *status)
 {
-    FloatParts pa = uint_to_float(a, status);
-    return float64_round_pack_canonical(pa, status);
+    return uint64_to_float64_scalbn(a, 0, status);
 }
 
 float64 uint32_to_float64(uint32_t a, float_status *status)
 {
-    return uint64_to_float64(a, status);
+    return uint64_to_float64_scalbn(a, 0, status);
 }
 
 float64 uint16_to_float64(uint16_t a, float_status *status)
 {
-    return uint64_to_float64(a, status);
+    return uint64_to_float64_scalbn(a, 0, status);
 }
 
 /* Float Min/Max */
diff --git a/qemu/header_gen.py b/qemu/header_gen.py
index 73a7e46d..98dcc811 100644
--- a/qemu/header_gen.py
+++ b/qemu/header_gen.py
@@ -1826,17 +1826,26 @@ symbols = (
     'int128_subfrom',
     'int128_zero',
     'int16_to_float16',
+    'int16_to_float16_scalbn',
     'int16_to_float32',
+    'int16_to_float32_scalbn',
     'int16_to_float64',
+    'int16_to_float64_scalbn',
     'int32_to_float128',
     'int32_to_float16',
+    'int32_to_float16_scalbn',
     'int32_to_float32',
+    'int32_to_float32_scalbn',
     'int32_to_float64',
+    'int32_to_float64_scalbn',
     'int32_to_floatx80',
     'int64_to_float128',
     'int64_to_float16',
+    'int64_to_float16_scalbn',
     'int64_to_float32',
+    'int64_to_float32_scalbn',
     'int64_to_float64',
+    'int64_to_float64_scalbn',
     'int64_to_floatx80',
     'invalidate_and_set_dirty',
     'invalidate_page_bitmap',
@@ -3158,15 +3167,24 @@ symbols = (
     'type_table_get',
     'type_table_lookup',
     'uint16_to_float16',
+    'uint16_to_float16_scalbn',
     'uint16_to_float32',
+    'uint16_to_float32_scalbn',
     'uint16_to_float64',
+    'uint16_to_float64_scalbn',
     'uint32_to_float16',
+    'uint32_to_float16_scalbn',
     'uint32_to_float32',
+    'uint32_to_float32_scalbn',
     'uint32_to_float64',
+    'uint32_to_float64_scalbn',
     'uint64_to_float128',
     'uint64_to_float16',
+    'uint64_to_float16_scalbn',
     'uint64_to_float32',
+    'uint64_to_float32_scalbn',
     'uint64_to_float64',
+    'uint64_to_float64_scalbn',
     'unassigned_io_ops',
     'unassigned_io_read',
     'unassigned_io_write',
diff --git a/qemu/include/fpu/softfloat.h b/qemu/include/fpu/softfloat.h
index 0ffbbe5e..08516f64 100644
--- a/qemu/include/fpu/softfloat.h
+++ b/qemu/include/fpu/softfloat.h
@@ -193,22 +193,54 @@ enum {
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE integer-to-floating-point conversion routines.
 *----------------------------------------------------------------------------*/
+
+float16 int16_to_float16_scalbn(int16_t a, int, float_status *status);
+float16 int32_to_float16_scalbn(int32_t a, int, float_status *status);
+float16 int64_to_float16_scalbn(int64_t a, int, float_status *status);
+float16 uint16_to_float16_scalbn(uint16_t a, int, float_status *status);
+float16 uint32_to_float16_scalbn(uint32_t a, int, float_status *status);
+float16 uint64_to_float16_scalbn(uint64_t a, int, float_status *status);
+
+float16 int16_to_float16(int16_t a, float_status *status);
+float16 int32_to_float16(int32_t a, float_status *status);
+float16 int64_to_float16(int64_t a, float_status *status);
+float16 uint16_to_float16(uint16_t a, float_status *status);
+float16 uint32_to_float16(uint32_t a, float_status *status);
+float16 uint64_to_float16(uint64_t a, float_status *status);
+
+float32 int16_to_float32_scalbn(int16_t, int, float_status *status);
+float32 int32_to_float32_scalbn(int32_t, int, float_status *status);
+float32 int64_to_float32_scalbn(int64_t, int, float_status *status);
+float32 uint16_to_float32_scalbn(uint16_t, int, float_status *status);
+float32 uint32_to_float32_scalbn(uint32_t, int, float_status *status);
+float32 uint64_to_float32_scalbn(uint64_t, int, float_status *status);
+
 float32 int16_to_float32(int16_t, float_status *status);
 float32 int32_to_float32(int32_t, float_status *status);
-float64 int16_to_float64(int16_t, float_status *status);
-float64 int32_to_float64(int32_t, float_status *status);
+float32 int64_to_float32(int64_t, float_status *status);
 float32 uint16_to_float32(uint16_t, float_status *status);
 float32 uint32_to_float32(uint32_t, float_status *status);
+float32 uint64_to_float32(uint64_t, float_status *status);
+
+float64 int16_to_float64_scalbn(int16_t, int, float_status *status);
+float64 int32_to_float64_scalbn(int32_t, int, float_status *status);
+float64 int64_to_float64_scalbn(int64_t, int, float_status *status);
+float64 uint16_to_float64_scalbn(uint16_t, int, float_status *status);
+float64 uint32_to_float64_scalbn(uint32_t, int, float_status *status);
+float64 uint64_to_float64_scalbn(uint64_t, int, float_status *status);
+
+float64 int16_to_float64(int16_t, float_status *status);
+float64 int32_to_float64(int32_t, float_status *status);
+float64 int64_to_float64(int64_t, float_status *status);
 float64 uint16_to_float64(uint16_t, float_status *status);
 float64 uint32_to_float64(uint32_t, float_status *status);
-floatx80 int32_to_floatx80(int32_t, float_status *status);
-float128 int32_to_float128(int32_t, float_status *status);
-float32 int64_to_float32(int64_t, float_status *status);
-float64 int64_to_float64(int64_t, float_status *status);
-floatx80 int64_to_floatx80(int64_t, float_status *status);
-float128 int64_to_float128(int64_t, float_status *status);
-float32 uint64_to_float32(uint64_t, float_status *status);
 float64 uint64_to_float64(uint64_t, float_status *status);
+
+floatx80 int32_to_floatx80(int32_t, float_status *status);
+floatx80 int64_to_floatx80(int64_t, float_status *status);
+
+float128 int32_to_float128(int32_t, float_status *status);
+float128 int64_to_float128(int64_t, float_status *status);
 float128 uint64_to_float128(uint64_t, float_status *status);
 
 /*----------------------------------------------------------------------------
@@ -230,12 +262,6 @@ int64_t float16_to_int64(float16, float_status *status);
 uint64_t float16_to_uint64(float16 a, float_status *status);
 int64_t float16_to_int64_round_to_zero(float16, float_status *status);
 uint64_t float16_to_uint64_round_to_zero(float16 a, float_status *status);
-float16 int16_to_float16(int16_t a, float_status *status);
-float16 int32_to_float16(int32_t a, float_status *status);
-float16 int64_to_float16(int64_t a, float_status *status);
-float16 uint16_to_float16(uint16_t a, float_status *status);
-float16 uint32_to_float16(uint32_t a, float_status *status);
-float16 uint64_to_float16(uint64_t a, float_status *status);
 
 /*----------------------------------------------------------------------------
 | Software half-precision operations.
diff --git a/qemu/m68k.h b/qemu/m68k.h
index 3e87436a..f57e9835 100644
--- a/qemu/m68k.h
+++ b/qemu/m68k.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_m68k
 #define int128_zero int128_zero_m68k
 #define int16_to_float16 int16_to_float16_m68k
+#define int16_to_float16_scalbn int16_to_float16_scalbn_m68k
 #define int16_to_float32 int16_to_float32_m68k
+#define int16_to_float32_scalbn int16_to_float32_scalbn_m68k
 #define int16_to_float64 int16_to_float64_m68k
+#define int16_to_float64_scalbn int16_to_float64_scalbn_m68k
 #define int32_to_float128 int32_to_float128_m68k
 #define int32_to_float16 int32_to_float16_m68k
+#define int32_to_float16_scalbn int32_to_float16_scalbn_m68k
 #define int32_to_float32 int32_to_float32_m68k
+#define int32_to_float32_scalbn int32_to_float32_scalbn_m68k
 #define int32_to_float64 int32_to_float64_m68k
+#define int32_to_float64_scalbn int32_to_float64_scalbn_m68k
 #define int32_to_floatx80 int32_to_floatx80_m68k
 #define int64_to_float128 int64_to_float128_m68k
 #define int64_to_float16 int64_to_float16_m68k
+#define int64_to_float16_scalbn int64_to_float16_scalbn_m68k
 #define int64_to_float32 int64_to_float32_m68k
+#define int64_to_float32_scalbn int64_to_float32_scalbn_m68k
 #define int64_to_float64 int64_to_float64_m68k
+#define int64_to_float64_scalbn int64_to_float64_scalbn_m68k
 #define int64_to_floatx80 int64_to_floatx80_m68k
 #define invalidate_and_set_dirty invalidate_and_set_dirty_m68k
 #define invalidate_page_bitmap invalidate_page_bitmap_m68k
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_m68k
 #define type_table_lookup type_table_lookup_m68k
 #define uint16_to_float16 uint16_to_float16_m68k
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_m68k
 #define uint16_to_float32 uint16_to_float32_m68k
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_m68k
 #define uint16_to_float64 uint16_to_float64_m68k
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_m68k
 #define uint32_to_float16 uint32_to_float16_m68k
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_m68k
 #define uint32_to_float32 uint32_to_float32_m68k
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_m68k
 #define uint32_to_float64 uint32_to_float64_m68k
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_m68k
 #define uint64_to_float128 uint64_to_float128_m68k
 #define uint64_to_float16 uint64_to_float16_m68k
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_m68k
 #define uint64_to_float32 uint64_to_float32_m68k
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_m68k
 #define uint64_to_float64 uint64_to_float64_m68k
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_m68k
 #define unassigned_io_ops unassigned_io_ops_m68k
 #define unassigned_io_read unassigned_io_read_m68k
 #define unassigned_io_write unassigned_io_write_m68k
diff --git a/qemu/mips.h b/qemu/mips.h
index ec6380f8..cb7d5aa6 100644
--- a/qemu/mips.h
+++ b/qemu/mips.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_mips
 #define int128_zero int128_zero_mips
 #define int16_to_float16 int16_to_float16_mips
+#define int16_to_float16_scalbn int16_to_float16_scalbn_mips
 #define int16_to_float32 int16_to_float32_mips
+#define int16_to_float32_scalbn int16_to_float32_scalbn_mips
 #define int16_to_float64 int16_to_float64_mips
+#define int16_to_float64_scalbn int16_to_float64_scalbn_mips
 #define int32_to_float128 int32_to_float128_mips
 #define int32_to_float16 int32_to_float16_mips
+#define int32_to_float16_scalbn int32_to_float16_scalbn_mips
 #define int32_to_float32 int32_to_float32_mips
+#define int32_to_float32_scalbn int32_to_float32_scalbn_mips
 #define int32_to_float64 int32_to_float64_mips
+#define int32_to_float64_scalbn int32_to_float64_scalbn_mips
 #define int32_to_floatx80 int32_to_floatx80_mips
 #define int64_to_float128 int64_to_float128_mips
 #define int64_to_float16 int64_to_float16_mips
+#define int64_to_float16_scalbn int64_to_float16_scalbn_mips
 #define int64_to_float32 int64_to_float32_mips
+#define int64_to_float32_scalbn int64_to_float32_scalbn_mips
 #define int64_to_float64 int64_to_float64_mips
+#define int64_to_float64_scalbn int64_to_float64_scalbn_mips
 #define int64_to_floatx80 int64_to_floatx80_mips
 #define invalidate_and_set_dirty invalidate_and_set_dirty_mips
 #define invalidate_page_bitmap invalidate_page_bitmap_mips
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_mips
 #define type_table_lookup type_table_lookup_mips
 #define uint16_to_float16 uint16_to_float16_mips
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_mips
 #define uint16_to_float32 uint16_to_float32_mips
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_mips
 #define uint16_to_float64 uint16_to_float64_mips
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_mips
 #define uint32_to_float16 uint32_to_float16_mips
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_mips
 #define uint32_to_float32 uint32_to_float32_mips
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_mips
 #define uint32_to_float64 uint32_to_float64_mips
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_mips
 #define uint64_to_float128 uint64_to_float128_mips
 #define uint64_to_float16 uint64_to_float16_mips
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_mips
 #define uint64_to_float32 uint64_to_float32_mips
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_mips
 #define uint64_to_float64 uint64_to_float64_mips
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_mips
 #define unassigned_io_ops unassigned_io_ops_mips
 #define unassigned_io_read unassigned_io_read_mips
 #define unassigned_io_write unassigned_io_write_mips
diff --git a/qemu/mips64.h b/qemu/mips64.h
index e87e4ff0..0a038a7e 100644
--- a/qemu/mips64.h
+++ b/qemu/mips64.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_mips64
 #define int128_zero int128_zero_mips64
 #define int16_to_float16 int16_to_float16_mips64
+#define int16_to_float16_scalbn int16_to_float16_scalbn_mips64
 #define int16_to_float32 int16_to_float32_mips64
+#define int16_to_float32_scalbn int16_to_float32_scalbn_mips64
 #define int16_to_float64 int16_to_float64_mips64
+#define int16_to_float64_scalbn int16_to_float64_scalbn_mips64
 #define int32_to_float128 int32_to_float128_mips64
 #define int32_to_float16 int32_to_float16_mips64
+#define int32_to_float16_scalbn int32_to_float16_scalbn_mips64
 #define int32_to_float32 int32_to_float32_mips64
+#define int32_to_float32_scalbn int32_to_float32_scalbn_mips64
 #define int32_to_float64 int32_to_float64_mips64
+#define int32_to_float64_scalbn int32_to_float64_scalbn_mips64
 #define int32_to_floatx80 int32_to_floatx80_mips64
 #define int64_to_float128 int64_to_float128_mips64
 #define int64_to_float16 int64_to_float16_mips64
+#define int64_to_float16_scalbn int64_to_float16_scalbn_mips64
 #define int64_to_float32 int64_to_float32_mips64
+#define int64_to_float32_scalbn int64_to_float32_scalbn_mips64
 #define int64_to_float64 int64_to_float64_mips64
+#define int64_to_float64_scalbn int64_to_float64_scalbn_mips64
 #define int64_to_floatx80 int64_to_floatx80_mips64
 #define invalidate_and_set_dirty invalidate_and_set_dirty_mips64
 #define invalidate_page_bitmap invalidate_page_bitmap_mips64
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_mips64
 #define type_table_lookup type_table_lookup_mips64
 #define uint16_to_float16 uint16_to_float16_mips64
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_mips64
 #define uint16_to_float32 uint16_to_float32_mips64
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_mips64
 #define uint16_to_float64 uint16_to_float64_mips64
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_mips64
 #define uint32_to_float16 uint32_to_float16_mips64
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_mips64
 #define uint32_to_float32 uint32_to_float32_mips64
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_mips64
 #define uint32_to_float64 uint32_to_float64_mips64
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_mips64
 #define uint64_to_float128 uint64_to_float128_mips64
 #define uint64_to_float16 uint64_to_float16_mips64
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_mips64
 #define uint64_to_float32 uint64_to_float32_mips64
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_mips64
 #define uint64_to_float64 uint64_to_float64_mips64
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_mips64
 #define unassigned_io_ops unassigned_io_ops_mips64
 #define unassigned_io_read unassigned_io_read_mips64
 #define unassigned_io_write unassigned_io_write_mips64
diff --git a/qemu/mips64el.h b/qemu/mips64el.h
index 33890649..c3c37304 100644
--- a/qemu/mips64el.h
+++ b/qemu/mips64el.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_mips64el
 #define int128_zero int128_zero_mips64el
 #define int16_to_float16 int16_to_float16_mips64el
+#define int16_to_float16_scalbn int16_to_float16_scalbn_mips64el
 #define int16_to_float32 int16_to_float32_mips64el
+#define int16_to_float32_scalbn int16_to_float32_scalbn_mips64el
 #define int16_to_float64 int16_to_float64_mips64el
+#define int16_to_float64_scalbn int16_to_float64_scalbn_mips64el
 #define int32_to_float128 int32_to_float128_mips64el
 #define int32_to_float16 int32_to_float16_mips64el
+#define int32_to_float16_scalbn int32_to_float16_scalbn_mips64el
 #define int32_to_float32 int32_to_float32_mips64el
+#define int32_to_float32_scalbn int32_to_float32_scalbn_mips64el
 #define int32_to_float64 int32_to_float64_mips64el
+#define int32_to_float64_scalbn int32_to_float64_scalbn_mips64el
 #define int32_to_floatx80 int32_to_floatx80_mips64el
 #define int64_to_float128 int64_to_float128_mips64el
 #define int64_to_float16 int64_to_float16_mips64el
+#define int64_to_float16_scalbn int64_to_float16_scalbn_mips64el
 #define int64_to_float32 int64_to_float32_mips64el
+#define int64_to_float32_scalbn int64_to_float32_scalbn_mips64el
 #define int64_to_float64 int64_to_float64_mips64el
+#define int64_to_float64_scalbn int64_to_float64_scalbn_mips64el
 #define int64_to_floatx80 int64_to_floatx80_mips64el
 #define invalidate_and_set_dirty invalidate_and_set_dirty_mips64el
 #define invalidate_page_bitmap invalidate_page_bitmap_mips64el
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_mips64el
 #define type_table_lookup type_table_lookup_mips64el
 #define uint16_to_float16 uint16_to_float16_mips64el
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_mips64el
 #define uint16_to_float32 uint16_to_float32_mips64el
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_mips64el
 #define uint16_to_float64 uint16_to_float64_mips64el
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_mips64el
 #define uint32_to_float16 uint32_to_float16_mips64el
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_mips64el
 #define uint32_to_float32 uint32_to_float32_mips64el
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_mips64el
 #define uint32_to_float64 uint32_to_float64_mips64el
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_mips64el
 #define uint64_to_float128 uint64_to_float128_mips64el
 #define uint64_to_float16 uint64_to_float16_mips64el
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_mips64el
 #define uint64_to_float32 uint64_to_float32_mips64el
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_mips64el
 #define uint64_to_float64 uint64_to_float64_mips64el
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_mips64el
 #define unassigned_io_ops unassigned_io_ops_mips64el
 #define unassigned_io_read unassigned_io_read_mips64el
 #define unassigned_io_write unassigned_io_write_mips64el
diff --git a/qemu/mipsel.h b/qemu/mipsel.h
index 777ff2ce..0885fe46 100644
--- a/qemu/mipsel.h
+++ b/qemu/mipsel.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_mipsel
 #define int128_zero int128_zero_mipsel
 #define int16_to_float16 int16_to_float16_mipsel
+#define int16_to_float16_scalbn int16_to_float16_scalbn_mipsel
 #define int16_to_float32 int16_to_float32_mipsel
+#define int16_to_float32_scalbn int16_to_float32_scalbn_mipsel
 #define int16_to_float64 int16_to_float64_mipsel
+#define int16_to_float64_scalbn int16_to_float64_scalbn_mipsel
 #define int32_to_float128 int32_to_float128_mipsel
 #define int32_to_float16 int32_to_float16_mipsel
+#define int32_to_float16_scalbn int32_to_float16_scalbn_mipsel
 #define int32_to_float32 int32_to_float32_mipsel
+#define int32_to_float32_scalbn int32_to_float32_scalbn_mipsel
 #define int32_to_float64 int32_to_float64_mipsel
+#define int32_to_float64_scalbn int32_to_float64_scalbn_mipsel
 #define int32_to_floatx80 int32_to_floatx80_mipsel
 #define int64_to_float128 int64_to_float128_mipsel
 #define int64_to_float16 int64_to_float16_mipsel
+#define int64_to_float16_scalbn int64_to_float16_scalbn_mipsel
 #define int64_to_float32 int64_to_float32_mipsel
+#define int64_to_float32_scalbn int64_to_float32_scalbn_mipsel
 #define int64_to_float64 int64_to_float64_mipsel
+#define int64_to_float64_scalbn int64_to_float64_scalbn_mipsel
 #define int64_to_floatx80 int64_to_floatx80_mipsel
 #define invalidate_and_set_dirty invalidate_and_set_dirty_mipsel
 #define invalidate_page_bitmap invalidate_page_bitmap_mipsel
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_mipsel
 #define type_table_lookup type_table_lookup_mipsel
 #define uint16_to_float16 uint16_to_float16_mipsel
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_mipsel
 #define uint16_to_float32 uint16_to_float32_mipsel
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_mipsel
 #define uint16_to_float64 uint16_to_float64_mipsel
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_mipsel
 #define uint32_to_float16 uint32_to_float16_mipsel
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_mipsel
 #define uint32_to_float32 uint32_to_float32_mipsel
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_mipsel
 #define uint32_to_float64 uint32_to_float64_mipsel
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_mipsel
 #define uint64_to_float128 uint64_to_float128_mipsel
 #define uint64_to_float16 uint64_to_float16_mipsel
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_mipsel
 #define uint64_to_float32 uint64_to_float32_mipsel
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_mipsel
 #define uint64_to_float64 uint64_to_float64_mipsel
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_mipsel
 #define unassigned_io_ops unassigned_io_ops_mipsel
 #define unassigned_io_read unassigned_io_read_mipsel
 #define unassigned_io_write unassigned_io_write_mipsel
diff --git a/qemu/powerpc.h b/qemu/powerpc.h
index bee4f568..82cab01a 100644
--- a/qemu/powerpc.h
+++ b/qemu/powerpc.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_powerpc
 #define int128_zero int128_zero_powerpc
 #define int16_to_float16 int16_to_float16_powerpc
+#define int16_to_float16_scalbn int16_to_float16_scalbn_powerpc
 #define int16_to_float32 int16_to_float32_powerpc
+#define int16_to_float32_scalbn int16_to_float32_scalbn_powerpc
 #define int16_to_float64 int16_to_float64_powerpc
+#define int16_to_float64_scalbn int16_to_float64_scalbn_powerpc
 #define int32_to_float128 int32_to_float128_powerpc
 #define int32_to_float16 int32_to_float16_powerpc
+#define int32_to_float16_scalbn int32_to_float16_scalbn_powerpc
 #define int32_to_float32 int32_to_float32_powerpc
+#define int32_to_float32_scalbn int32_to_float32_scalbn_powerpc
 #define int32_to_float64 int32_to_float64_powerpc
+#define int32_to_float64_scalbn int32_to_float64_scalbn_powerpc
 #define int32_to_floatx80 int32_to_floatx80_powerpc
 #define int64_to_float128 int64_to_float128_powerpc
 #define int64_to_float16 int64_to_float16_powerpc
+#define int64_to_float16_scalbn int64_to_float16_scalbn_powerpc
 #define int64_to_float32 int64_to_float32_powerpc
+#define int64_to_float32_scalbn int64_to_float32_scalbn_powerpc
 #define int64_to_float64 int64_to_float64_powerpc
+#define int64_to_float64_scalbn int64_to_float64_scalbn_powerpc
 #define int64_to_floatx80 int64_to_floatx80_powerpc
 #define invalidate_and_set_dirty invalidate_and_set_dirty_powerpc
 #define invalidate_page_bitmap invalidate_page_bitmap_powerpc
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_powerpc
 #define type_table_lookup type_table_lookup_powerpc
 #define uint16_to_float16 uint16_to_float16_powerpc
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_powerpc
 #define uint16_to_float32 uint16_to_float32_powerpc
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_powerpc
 #define uint16_to_float64 uint16_to_float64_powerpc
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_powerpc
 #define uint32_to_float16 uint32_to_float16_powerpc
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_powerpc
 #define uint32_to_float32 uint32_to_float32_powerpc
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_powerpc
 #define uint32_to_float64 uint32_to_float64_powerpc
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_powerpc
 #define uint64_to_float128 uint64_to_float128_powerpc
 #define uint64_to_float16 uint64_to_float16_powerpc
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_powerpc
 #define uint64_to_float32 uint64_to_float32_powerpc
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_powerpc
 #define uint64_to_float64 uint64_to_float64_powerpc
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_powerpc
 #define unassigned_io_ops unassigned_io_ops_powerpc
 #define unassigned_io_read unassigned_io_read_powerpc
 #define unassigned_io_write unassigned_io_write_powerpc
diff --git a/qemu/sparc.h b/qemu/sparc.h
index 155c6633..2381681b 100644
--- a/qemu/sparc.h
+++ b/qemu/sparc.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_sparc
 #define int128_zero int128_zero_sparc
 #define int16_to_float16 int16_to_float16_sparc
+#define int16_to_float16_scalbn int16_to_float16_scalbn_sparc
 #define int16_to_float32 int16_to_float32_sparc
+#define int16_to_float32_scalbn int16_to_float32_scalbn_sparc
 #define int16_to_float64 int16_to_float64_sparc
+#define int16_to_float64_scalbn int16_to_float64_scalbn_sparc
 #define int32_to_float128 int32_to_float128_sparc
 #define int32_to_float16 int32_to_float16_sparc
+#define int32_to_float16_scalbn int32_to_float16_scalbn_sparc
 #define int32_to_float32 int32_to_float32_sparc
+#define int32_to_float32_scalbn int32_to_float32_scalbn_sparc
 #define int32_to_float64 int32_to_float64_sparc
+#define int32_to_float64_scalbn int32_to_float64_scalbn_sparc
 #define int32_to_floatx80 int32_to_floatx80_sparc
 #define int64_to_float128 int64_to_float128_sparc
 #define int64_to_float16 int64_to_float16_sparc
+#define int64_to_float16_scalbn int64_to_float16_scalbn_sparc
 #define int64_to_float32 int64_to_float32_sparc
+#define int64_to_float32_scalbn int64_to_float32_scalbn_sparc
 #define int64_to_float64 int64_to_float64_sparc
+#define int64_to_float64_scalbn int64_to_float64_scalbn_sparc
 #define int64_to_floatx80 int64_to_floatx80_sparc
 #define invalidate_and_set_dirty invalidate_and_set_dirty_sparc
 #define invalidate_page_bitmap invalidate_page_bitmap_sparc
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_sparc
 #define type_table_lookup type_table_lookup_sparc
 #define uint16_to_float16 uint16_to_float16_sparc
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_sparc
 #define uint16_to_float32 uint16_to_float32_sparc
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_sparc
 #define uint16_to_float64 uint16_to_float64_sparc
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_sparc
 #define uint32_to_float16 uint32_to_float16_sparc
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_sparc
 #define uint32_to_float32 uint32_to_float32_sparc
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_sparc
 #define uint32_to_float64 uint32_to_float64_sparc
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_sparc
 #define uint64_to_float128 uint64_to_float128_sparc
 #define uint64_to_float16 uint64_to_float16_sparc
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_sparc
 #define uint64_to_float32 uint64_to_float32_sparc
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_sparc
 #define uint64_to_float64 uint64_to_float64_sparc
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_sparc
 #define unassigned_io_ops unassigned_io_ops_sparc
 #define unassigned_io_read unassigned_io_read_sparc
 #define unassigned_io_write unassigned_io_write_sparc
diff --git a/qemu/sparc64.h b/qemu/sparc64.h
index 68474ecd..f205f82b 100644
--- a/qemu/sparc64.h
+++ b/qemu/sparc64.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_sparc64
 #define int128_zero int128_zero_sparc64
 #define int16_to_float16 int16_to_float16_sparc64
+#define int16_to_float16_scalbn int16_to_float16_scalbn_sparc64
 #define int16_to_float32 int16_to_float32_sparc64
+#define int16_to_float32_scalbn int16_to_float32_scalbn_sparc64
 #define int16_to_float64 int16_to_float64_sparc64
+#define int16_to_float64_scalbn int16_to_float64_scalbn_sparc64
 #define int32_to_float128 int32_to_float128_sparc64
 #define int32_to_float16 int32_to_float16_sparc64
+#define int32_to_float16_scalbn int32_to_float16_scalbn_sparc64
 #define int32_to_float32 int32_to_float32_sparc64
+#define int32_to_float32_scalbn int32_to_float32_scalbn_sparc64
 #define int32_to_float64 int32_to_float64_sparc64
+#define int32_to_float64_scalbn int32_to_float64_scalbn_sparc64
 #define int32_to_floatx80 int32_to_floatx80_sparc64
 #define int64_to_float128 int64_to_float128_sparc64
 #define int64_to_float16 int64_to_float16_sparc64
+#define int64_to_float16_scalbn int64_to_float16_scalbn_sparc64
 #define int64_to_float32 int64_to_float32_sparc64
+#define int64_to_float32_scalbn int64_to_float32_scalbn_sparc64
 #define int64_to_float64 int64_to_float64_sparc64
+#define int64_to_float64_scalbn int64_to_float64_scalbn_sparc64
 #define int64_to_floatx80 int64_to_floatx80_sparc64
 #define invalidate_and_set_dirty invalidate_and_set_dirty_sparc64
 #define invalidate_page_bitmap invalidate_page_bitmap_sparc64
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_sparc64
 #define type_table_lookup type_table_lookup_sparc64
 #define uint16_to_float16 uint16_to_float16_sparc64
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_sparc64
 #define uint16_to_float32 uint16_to_float32_sparc64
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_sparc64
 #define uint16_to_float64 uint16_to_float64_sparc64
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_sparc64
 #define uint32_to_float16 uint32_to_float16_sparc64
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_sparc64
 #define uint32_to_float32 uint32_to_float32_sparc64
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_sparc64
 #define uint32_to_float64 uint32_to_float64_sparc64
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_sparc64
 #define uint64_to_float128 uint64_to_float128_sparc64
 #define uint64_to_float16 uint64_to_float16_sparc64
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_sparc64
 #define uint64_to_float32 uint64_to_float32_sparc64
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_sparc64
 #define uint64_to_float64 uint64_to_float64_sparc64
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_sparc64
 #define unassigned_io_ops unassigned_io_ops_sparc64
 #define unassigned_io_read unassigned_io_read_sparc64
 #define unassigned_io_write unassigned_io_write_sparc64
diff --git a/qemu/x86_64.h b/qemu/x86_64.h
index fa983091..0753f22d 100644
--- a/qemu/x86_64.h
+++ b/qemu/x86_64.h
@@ -1820,17 +1820,26 @@
 #define int128_subfrom int128_subfrom_x86_64
 #define int128_zero int128_zero_x86_64
 #define int16_to_float16 int16_to_float16_x86_64
+#define int16_to_float16_scalbn int16_to_float16_scalbn_x86_64
 #define int16_to_float32 int16_to_float32_x86_64
+#define int16_to_float32_scalbn int16_to_float32_scalbn_x86_64
 #define int16_to_float64 int16_to_float64_x86_64
+#define int16_to_float64_scalbn int16_to_float64_scalbn_x86_64
 #define int32_to_float128 int32_to_float128_x86_64
 #define int32_to_float16 int32_to_float16_x86_64
+#define int32_to_float16_scalbn int32_to_float16_scalbn_x86_64
 #define int32_to_float32 int32_to_float32_x86_64
+#define int32_to_float32_scalbn int32_to_float32_scalbn_x86_64
 #define int32_to_float64 int32_to_float64_x86_64
+#define int32_to_float64_scalbn int32_to_float64_scalbn_x86_64
 #define int32_to_floatx80 int32_to_floatx80_x86_64
 #define int64_to_float128 int64_to_float128_x86_64
 #define int64_to_float16 int64_to_float16_x86_64
+#define int64_to_float16_scalbn int64_to_float16_scalbn_x86_64
 #define int64_to_float32 int64_to_float32_x86_64
+#define int64_to_float32_scalbn int64_to_float32_scalbn_x86_64
 #define int64_to_float64 int64_to_float64_x86_64
+#define int64_to_float64_scalbn int64_to_float64_scalbn_x86_64
 #define int64_to_floatx80 int64_to_floatx80_x86_64
 #define invalidate_and_set_dirty invalidate_and_set_dirty_x86_64
 #define invalidate_page_bitmap invalidate_page_bitmap_x86_64
@@ -3152,15 +3161,24 @@
 #define type_table_get type_table_get_x86_64
 #define type_table_lookup type_table_lookup_x86_64
 #define uint16_to_float16 uint16_to_float16_x86_64
+#define uint16_to_float16_scalbn uint16_to_float16_scalbn_x86_64
 #define uint16_to_float32 uint16_to_float32_x86_64
+#define uint16_to_float32_scalbn uint16_to_float32_scalbn_x86_64
 #define uint16_to_float64 uint16_to_float64_x86_64
+#define uint16_to_float64_scalbn uint16_to_float64_scalbn_x86_64
 #define uint32_to_float16 uint32_to_float16_x86_64
+#define uint32_to_float16_scalbn uint32_to_float16_scalbn_x86_64
 #define uint32_to_float32 uint32_to_float32_x86_64
+#define uint32_to_float32_scalbn uint32_to_float32_scalbn_x86_64
 #define uint32_to_float64 uint32_to_float64_x86_64
+#define uint32_to_float64_scalbn uint32_to_float64_scalbn_x86_64
 #define uint64_to_float128 uint64_to_float128_x86_64
 #define uint64_to_float16 uint64_to_float16_x86_64
+#define uint64_to_float16_scalbn uint64_to_float16_scalbn_x86_64
 #define uint64_to_float32 uint64_to_float32_x86_64
+#define uint64_to_float32_scalbn uint64_to_float32_scalbn_x86_64
 #define uint64_to_float64 uint64_to_float64_x86_64
+#define uint64_to_float64_scalbn uint64_to_float64_scalbn_x86_64
 #define unassigned_io_ops unassigned_io_ops_x86_64
 #define unassigned_io_read unassigned_io_read_x86_64
 #define unassigned_io_write unassigned_io_write_x86_64