Revert unneeded f32/f64 changes in Pulley.

Author: sunfishcode

crates/wasmtime/src/runtime/vm/interpreter.rs

@@ -325,8 +325,8 @@ impl InterpreterRef<'_> {
             (@get u8 $reg:ident) => (self.0[$reg].get_i32() as u8);
             (@get u32 $reg:ident) => (self.0[$reg].get_u32());
             (@get u64 $reg:ident) => (self.0[$reg].get_u64());
-            (@get f32 $reg:ident) => (self.0[$reg].get_f32());
-            (@get f64 $reg:ident) => (self.0[$reg].get_f64());
+            (@get f32 $reg:ident) => (unreachable::<f32, _>($reg));
+            (@get f64 $reg:ident) => (unreachable::<f64, _>($reg));
             (@get i8x16 $reg:ident) => (unreachable::<i8x16, _>($reg));
             (@get vmctx $reg:ident) => (self.0[$reg].get_ptr());
             (@get pointer $reg:ident) => (self.0[$reg].get_ptr());

pulley/src/interp.rs

@@ -472,16 +472,6 @@ impl XRegVal {
         u64::from_le(x)
     }
 
-    pub fn get_f32(&self) -> f32 {
-        let x = unsafe { self.0.u32 };
-        f32::from_bits(u32::from_le(x))
-    }
-
-    pub fn get_f64(&self) -> f64 {
-        let x = unsafe { self.0.u64 };
-        f64::from_bits(u64::from_le(x))
-    }
-
     pub fn get_ptr<T>(&self) -> *mut T {
         let ptr = unsafe { self.0.ptr };
         core::ptr::with_exposed_provenance_mut(usize::from_le(ptr))