Fix unsigned prefix i -> s

Author: Licenser

crates/stdarch-gen/src/main.rs

@@ -473,14 +473,14 @@ fn expand_intrinsic(intr: &str, t: &str) -> String {
         intr.to_string()
     } else {
         let ext = match t {
-                "int8x8_t" => "i8",
-                "int8x16_t" => "i8",
-                "int16x4_t" => "i16",
-                "int16x8_t" => "i16",
-                "int32x2_t" => "i32",
-                "int32x4_t" => "i32",
-                "int64x1_t" => "i64",
-                "int64x2_t" => "i64",
+                "int8x8_t" => "s8",
+                "int8x16_t" => "s8",
+                "int16x4_t" => "s16",
+                "int16x8_t" => "s16",
+                "int32x2_t" => "s32",
+                "int32x4_t" => "s32",
+                "int64x1_t" => "s64",
+                "int64x2_t" => "s64",
                 "uint8x8_t" => "i8",
                 "uint8x16_t" => "i8",
                 "uint16x4_t" => "i16",