Stabilize wasm32 memory-related intrinsics

This commit stabilizes the wasm32 memory-related intrinsics, as
specified in rust-lang/rust#56292. The old intrinsics were removed and
the current intrinsics were updated in place, but it's the last breaking
change!

Author: alexcrichton

coresimd/mod.rs

@@ -90,8 +90,9 @@ pub mod arch {
     /// See the [module documentation](../index.html) for more details.
     #[cfg(any(target_arch = "wasm32", dox))]
     #[doc(cfg(target_arch = "wasm32"))]
-    #[unstable(feature = "stdsimd", issue = "27731")]
+    #[stable(feature = "simd_wasm32", since = "1.33.0")]
     pub mod wasm32 {
+        #[stable(feature = "simd_wasm32", since = "1.33.0")]
         pub use coresimd::wasm32::*;
     }
 

coresimd/wasm32/memory.rs

@@ -24,11 +24,12 @@ extern "C" {
 #[inline]
 #[cfg_attr(test, assert_instr("memory.size", mem = 0))]
 #[rustc_args_required_const(0)]
-pub unsafe fn size(mem: i32) -> i32 {
+#[stable(feature = "simd_wasm32", since = "1.33.0")]
+pub unsafe fn memory_size(mem: u32) -> usize {
     if mem != 0 {
         ::intrinsics::abort();
     }
-    llvm_memory_size(0)
+    llvm_memory_size(0) as usize
 }
 
 /// Corresponding intrinsic to wasm's [`memory.grow` instruction][instr]
@@ -47,9 +48,10 @@ pub unsafe fn size(mem: i32) -> i32 {
 #[inline]
 #[cfg_attr(test, assert_instr("memory.grow", mem = 0))]
 #[rustc_args_required_const(0)]
-pub unsafe fn grow(mem: i32, delta: i32) -> i32 {
+#[stable(feature = "simd_wasm32", since = "1.33.0")]
+pub unsafe fn memory_grow(mem: u32, delta: usize) -> isize {
     if mem != 0 {
         ::intrinsics::abort();
     }
-    llvm_memory_grow(0, delta)
+    llvm_memory_grow(0, delta as i32) as isize
 }

coresimd/wasm32/mod.rs

@@ -16,28 +16,10 @@ use stdsimd_test::assert_instr;
 #[cfg(test)]
 use wasm_bindgen_test::wasm_bindgen_test;
 
-#[inline]
-#[cfg_attr(test, assert_instr("memory.size"))]
-#[rustc_deprecated(reason = "renamed to memory::size", since = "1.30.0")]
-#[unstable(feature = "stdsimd", issue = "27731")]
-#[allow(deprecated)]
-#[doc(hidden)]
-pub unsafe fn current_memory() -> i32 {
-    memory::size(0)
-}
-
-#[inline]
-#[cfg_attr(test, assert_instr("memory.grow"))]
-#[rustc_deprecated(reason = "renamed to memory::grow", since = "1.30.0")]
-#[unstable(feature = "stdsimd", issue = "27731")]
-#[allow(deprecated)]
-#[doc(hidden)]
-pub unsafe fn grow_memory(delta: i32) -> i32 {
-    memory::grow(0, delta)
-}
-
 pub mod atomic;
-pub mod memory;
+
+mod memory;
+pub use self::memory::*;
 
 /// Generates the trap instruction `UNREACHABLE`
 #[cfg_attr(test, assert_instr(unreachable))]