Auto merge of rust-lang#132145 - RalfJung:stdarch, r=Amanieu

bump stdarch This lets us remove a hack from rust-lang#131349. r? `@Amanieu` try-job: test-various
rust-lang-ci · Oct 28, 2024 · 3f1be1e · 3f1be1e
2 parents 9f57edf + d066dfd
commit 3f1be1e
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Showing 10 changed files with 28 additions and 14 deletions.
diff --git a/compiler/rustc_error_codes/src/error_codes/E0539.md b/compiler/rustc_error_codes/src/error_codes/E0539.md
@@ -45,6 +45,7 @@ const fn unstable_fn() {}
 #[stable(feature = "stable_struct", since = "1.39.0")] // ok!
 struct Stable;
 
+#[stable(feature = "stable_fn", since = "1.39.0")]
 #[rustc_const_stable(feature = "stable_fn", since = "1.39.0")] // ok!
 const fn stable_fn() {}
 ```
diff --git a/compiler/rustc_error_codes/src/error_codes/E0542.md b/compiler/rustc_error_codes/src/error_codes/E0542.md
@@ -30,6 +30,7 @@ To fix this issue, you need to provide the `since` field. Example:
 #[stable(feature = "_stable_fn", since = "1.0.0")] // ok!
 fn _stable_fn() {}
 
+#[stable(feature = "_stable_const_fn", since = "1.0.0")]
 #[rustc_const_stable(feature = "_stable_const_fn", since = "1.0.0")] // ok!
 const fn _stable_const_fn() {}
 

diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs
@@ -189,9 +189,6 @@ impl<'a, 'tcx> Annotator<'a, 'tcx> {
             && let Some(fn_sig) = fn_sig
             && const_stab.is_const_stable()
             && !stab.is_some_and(|(s, _)| s.is_stable())
-            // FIXME: we skip this check targets until
-            // <https://github.com/rust-lang/stdarch/pull/1654> propagates.
-            && false
         {
             self.tcx
                 .dcx()

diff --git a/library/std/src/sys/sync/condvar/no_threads.rs b/library/std/src/sys/sync/condvar/no_threads.rs
@@ -5,7 +5,7 @@ pub struct Condvar {}
 
 impl Condvar {
     #[inline]
-    #[rustc_const_stable(feature = "const_locks", since = "1.63.0")]
+    #[cfg_attr(bootstrap, rustc_const_stable(feature = "const_locks", since = "1.63.0"))]
     pub const fn new() -> Condvar {
         Condvar {}
     }

diff --git a/library/std/src/sys/sync/mutex/no_threads.rs b/library/std/src/sys/sync/mutex/no_threads.rs
@@ -10,7 +10,7 @@ unsafe impl Sync for Mutex {} // no threads on this platform
 
 impl Mutex {
     #[inline]
-    #[rustc_const_stable(feature = "const_locks", since = "1.63.0")]
+    #[cfg_attr(bootstrap, rustc_const_stable(feature = "const_locks", since = "1.63.0"))]
     pub const fn new() -> Mutex {
         Mutex { locked: Cell::new(false) }
     }

diff --git a/library/std/src/sys/sync/once/no_threads.rs b/library/std/src/sys/sync/once/no_threads.rs
@@ -35,7 +35,7 @@ unsafe impl Sync for Once {}
 
 impl Once {
     #[inline]
-    #[rustc_const_stable(feature = "const_once_new", since = "1.32.0")]
+    #[cfg_attr(bootstrap, rustc_const_stable(feature = "const_once_new", since = "1.32.0"))]
     pub const fn new() -> Once {
         Once { state: Cell::new(State::Incomplete) }
     }

diff --git a/library/std/src/sys/sync/rwlock/no_threads.rs b/library/std/src/sys/sync/rwlock/no_threads.rs
@@ -10,7 +10,7 @@ unsafe impl Sync for RwLock {} // no threads on this platform
 
 impl RwLock {
     #[inline]
-    #[rustc_const_stable(feature = "const_locks", since = "1.63.0")]
+    #[cfg_attr(bootstrap, rustc_const_stable(feature = "const_locks", since = "1.63.0"))]
     pub const fn new() -> RwLock {
         RwLock { mode: Cell::new(0) }
     }

diff --git a/library/stdarch b/library/stdarch
diff --git a/tests/ui/consts/rustc-const-stability-require-const.rs b/tests/ui/consts/rustc-const-stability-require-const.rs
@@ -47,16 +47,15 @@ pub const fn foobar() {}
 pub const fn barfoo() {}
 
 // `rustc_const_stable` also requires the function to be stable.
-// FIXME: these are disabled until <https://github.com/rust-lang/stdarch/pull/1654> propagates.
 
 #[rustc_const_stable(feature = "barfoo_const", since = "1.0.0")]
 const fn barfoo_unmarked() {}
-// FIXME disabled ERROR can only be applied to functions that are declared `#[stable]`
+//~^ ERROR can only be applied to functions that are declared `#[stable]`
 
 #[unstable(feature = "unstable", issue = "none")]
 #[rustc_const_stable(feature = "barfoo_const", since = "1.0.0")]
 pub const fn barfoo_unstable() {}
-// FIXME disabled ERROR can only be applied to functions that are declared `#[stable]`
+//~^ ERROR can only be applied to functions that are declared `#[stable]`
 
 // `#[rustc_const_stable_indirect]` also requires a const fn
 #[rustc_const_stable_indirect]

diff --git a/tests/ui/consts/rustc-const-stability-require-const.stderr b/tests/ui/consts/rustc-const-stability-require-const.stderr
@@ -70,17 +70,33 @@ help: make the function or method const
 LL | pub extern "C" fn foo_c() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: attribute `#[rustc_const_stable]` can only be applied to functions that are declared `#[stable]`
+  --> $DIR/rustc-const-stability-require-const.rs:52:1
+   |
+LL | #[rustc_const_stable(feature = "barfoo_const", since = "1.0.0")]
+   | ---------------------------------------------------------------- attribute specified here
+LL | const fn barfoo_unmarked() {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: attribute `#[rustc_const_stable]` can only be applied to functions that are declared `#[stable]`
+  --> $DIR/rustc-const-stability-require-const.rs:57:1
+   |
+LL | #[rustc_const_stable(feature = "barfoo_const", since = "1.0.0")]
+   | ---------------------------------------------------------------- attribute specified here
+LL | pub const fn barfoo_unstable() {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 error: attributes `#[rustc_const_unstable]`, `#[rustc_const_stable]` and `#[rustc_const_stable_indirect]` require the function or method to be `const`
-  --> $DIR/rustc-const-stability-require-const.rs:64:1
+  --> $DIR/rustc-const-stability-require-const.rs:63:1
    |
 LL | pub fn not_a_const_fn() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
    |
 help: make the function or method const
-  --> $DIR/rustc-const-stability-require-const.rs:64:1
+  --> $DIR/rustc-const-stability-require-const.rs:63:1
    |
 LL | pub fn not_a_const_fn() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 7 previous errors
+error: aborting due to 9 previous errors
+0 −1		.github/workflows/main.yml
+2 −10		Cargo.toml
+3 −3		ci/docker/x86_64-unknown-linux-gnu-emulated/Dockerfile
+2 −2		ci/docker/x86_64-unknown-linux-gnu-emulated/cpuid.def
+8 −0		crates/core_arch/Cargo.toml
+0 −3		crates/core_arch/build.rs
+6 −34		crates/core_arch/src/arm_shared/crc.rs
+2 −2		crates/core_arch/src/core_arch_docs.md
+2 −1		crates/core_arch/src/lib.rs
+42 −6		crates/core_arch/src/loongarch64/lasx/generated.rs
+68 −0		crates/core_arch/src/loongarch64/lasx/tests.rs
+42 −6		crates/core_arch/src/loongarch64/lsx/generated.rs
+32 −0		crates/core_arch/src/loongarch64/lsx/tests.rs
+1 −2		crates/core_arch/src/simd.rs
+0 −1		crates/core_arch/src/wasm32/simd128.rs
+2 −2		crates/core_arch/src/x86/abm.rs
+3 −3		crates/core_arch/src/x86/avx.rs
+300 −300		crates/core_arch/src/x86/avx512dq.rs
+1,145 −1,145		crates/core_arch/src/x86/avx512f.rs
+1,015 −1,015		crates/core_arch/src/x86/avx512fp16.rs
+171 −380		crates/core_arch/src/x86/avx512vbmi2.rs
+10 −10		crates/core_arch/src/x86/f16c.rs
+21 −21		crates/core_arch/src/x86/sse.rs
+22 −98		crates/core_arch/src/x86/sse41.rs
+5 −14		crates/core_arch/src/x86/xsave.rs
+2 −2		crates/core_arch/src/x86_64/abm.rs
+3 −3		crates/core_arch/src/x86_64/avx.rs
+60 −60		crates/core_arch/src/x86_64/avx512f.rs
+20 −20		crates/core_arch/src/x86_64/avx512fp16.rs
+6 −15		crates/core_arch/src/x86_64/xsave.rs
+1 −7		crates/intrinsic-test/src/format.rs
+1 −1		crates/intrinsic-test/src/main.rs
+4 −4		crates/intrinsic-test/src/types.rs
+1 −1		crates/intrinsic-test/src/values.rs
+3 −0		crates/std_detect/src/detect/arch/aarch64.rs
+1 −1		crates/std_detect/src/detect/cache.rs
+4 −0		crates/std_detect/src/detect/os/linux/aarch64.rs
+1 −0		crates/std_detect/tests/cpu-detection.rs
+88 −122		crates/stdarch-gen-arm/src/main.rs
+4 −2		crates/stdarch-gen-loongarch/README.md
+20 −0		crates/stdarch-gen-loongarch/lasx.spec
+36 −2		crates/stdarch-gen-loongarch/lasxintrin.h
+20 −0		crates/stdarch-gen-loongarch/lsx.spec
+36 −2		crates/stdarch-gen-loongarch/lsxintrin.h
+21 −13		crates/stdarch-gen-loongarch/src/main.rs
+1 −1		crates/stdarch-test/src/disassembly.rs
+1 −4		crates/stdarch-test/src/lib.rs
+1 −1		crates/stdarch-verify/src/lib.rs
+15 −42		examples/connect5.rs