Unrolled build for rust-lang#126792

Rollup merge of rust-lang#126792 - wooden-worm:master, r=Mark-Simulacrum

wasm64 build with target-feature=+simd128,+atomics

Fixes rust-lang#126778

library/portable-simd/crates/core_simd/src/swizzle_dyn.rs

@@ -30,6 +30,8 @@ where
  use core::arch::arm::{uint8x8_t, vtbl1_u8};
  #[cfg(target_arch = "wasm32")]
  use core::arch::wasm32 as wasm;
+ #[cfg(target_arch = "wasm64")]
+ use core::arch::wasm64 as wasm;
  #[cfg(target_arch = "x86")]
  use core::arch::x86;
  #[cfg(target_arch = "x86_64")]

library/std/src/lib.rs

@@ -266,6 +266,7 @@
 )]
 #![cfg_attr(any(windows, target_os = "uefi"), feature(round_char_boundary))]
 #![cfg_attr(target_family = "wasm", feature(stdarch_wasm_atomic_wait))]
+#![cfg_attr(target_arch = "wasm64", feature(simd_wasm64))]
 #![cfg_attr(
  all(any(target_arch = "x86_64", target_arch = "x86"), target_os = "uefi"),
  feature(stdarch_x86_has_cpuid)

library/std/src/sys/pal/wasm/atomics/futex.rs

@@ -1,4 +1,8 @@
-use crate::arch::wasm32;
+#[cfg(target_arch = "wasm32")]
+use core::arch::wasm32 as wasm;
+#[cfg(target_arch = "wasm64")]
+use core::arch::wasm64 as wasm;
+
 use crate::sync::atomic::AtomicU32;
 use crate::time::Duration;
 
@@ -10,11 +14,8 @@ use crate::time::Duration;
 pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -> bool {
  let timeout = timeout.and_then(|t| t.as_nanos().try_into().ok()).unwrap_or(-1);
  unsafe {
- wasm32::memory_atomic_wait32(
- futex as *const AtomicU32 as *mut i32,
- expected as i32,
- timeout,
- ) < 2
+ wasm::memory_atomic_wait32(futex as *const AtomicU32 as *mut i32, expected as i32, timeout)
+ < 2
  }
 }
 
@@ -23,12 +24,12 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -
 /// Returns true if this actually woke up such a thread,
 /// or false if no thread was waiting on this futex.
 pub fn futex_wake(futex: &AtomicU32) -> bool {
- unsafe { wasm32::memory_atomic_notify(futex as *const AtomicU32 as *mut i32, 1) > 0 }
+ unsafe { wasm::memory_atomic_notify(futex as *const AtomicU32 as *mut i32, 1) > 0 }
 }
 
 /// Wake up all threads that are waiting on futex_wait on this futex.
 pub fn futex_wake_all(futex: &AtomicU32) {
  unsafe {
- wasm32::memory_atomic_notify(futex as *const AtomicU32 as *mut i32, i32::MAX as u32);
+ wasm::memory_atomic_notify(futex as *const AtomicU32 as *mut i32, i32::MAX as u32);
  }
 }

library/std/src/sys/pal/wasm/atomics/thread.rs

@@ -19,7 +19,11 @@ impl Thread {
  pub fn set_name(_name: &CStr) {}
 
  pub fn sleep(dur: Duration) {
- use crate::arch::wasm32;
+ #[cfg(target_arch = "wasm32")]
+ use core::arch::wasm32 as wasm;
+ #[cfg(target_arch = "wasm64")]
+ use core::arch::wasm64 as wasm;
+
  use crate::cmp;
 
  // Use an atomic wait to block the current thread artificially with a
@@ -31,7 +35,7 @@ impl Thread {
  while nanos > 0 {
  let amt = cmp::min(i64::MAX as u128, nanos);
  let mut x = 0;
- let val = unsafe { wasm32::memory_atomic_wait32(&mut x, 0, amt as i64) };
+ let val = unsafe { wasm::memory_atomic_wait32(&mut x, 0, amt as i64) };
  debug_assert_eq!(val, 2);
  nanos -= amt;
  }