rust-lang · folkertdev · Oct 26, 2025 · Oct 26, 2025 · Apr 6, 2025 · Nov 1, 2025
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
@@ -195,6 +195,7 @@
 // tidy-alphabetical-start
 #![feature(aarch64_unstable_target_feature)]
 #![feature(arm_target_feature)]
+#![feature(avx10_target_feature)]
 #![feature(hexagon_target_feature)]
 #![feature(loongarch_target_feature)]
 #![feature(mips_target_feature)]

diff --git a/library/stdarch/.github/workflows/rustc-pull.yml b/library/stdarch/.github/workflows/rustc-pull.yml
@@ -16,7 +16,7 @@ jobs:
       # https://rust-lang.zulipchat.com/#narrow/channel/208962-t-libs.2Fstdarch/topic/Subtree.20sync.20automation/with/528461782
       zulip-stream-id: 208962
       zulip-bot-email:  "stdarch-ci-bot@rust-lang.zulipchat.com"
-      pr-base-branch: master
+      pr-base-branch: main
       branch-name: rustc-pull
     secrets:
       zulip-api-token: ${{ secrets.ZULIP_API_TOKEN }}

diff --git a/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
@@ -15,5 +15,4 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
     CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER="qemu-aarch64 -cpu max -L /usr/aarch64-linux-gnu" \
-    OBJDUMP=aarch64-linux-gnu-objdump \
-    STDARCH_TEST_SKIP_FEATURE=tme
+    OBJDUMP=aarch64-linux-gnu-objdump
diff --git a/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile
@@ -27,4 +27,3 @@ ENV AARCH64_BE_LIBC="${AARCH64_BE_TOOLCHAIN}/aarch64_be-none-linux-gnu/libc"
 ENV CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_LINKER="${AARCH64_BE_TOOLCHAIN}/bin/aarch64_be-none-linux-gnu-gcc"
 ENV CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_RUNNER="qemu-aarch64_be -cpu max -L ${AARCH64_BE_LIBC}"
 ENV OBJDUMP="${AARCH64_BE_TOOLCHAIN}/bin/aarch64_be-none-linux-gnu-objdump"
-ENV STDARCH_TEST_SKIP_FEATURE=tme
diff --git a/library/stdarch/ci/intrinsic-test-docker.sh b/library/stdarch/ci/intrinsic-test-docker.sh
@@ -36,6 +36,7 @@ run() {
       --env NORUN \
       --env RUSTFLAGS \
       --env CARGO_UNSTABLE_BUILD_STD \
+      --env TEST_SAMPLE_INTRINSICS_PERCENTAGE \
       --volume "${HOME}/.cargo":/cargo \
       --volume "$(rustc --print sysroot)":/rust:ro \
       --volume "$(pwd)":/checkout:ro \

diff --git a/library/stdarch/ci/intrinsic-test.sh b/library/stdarch/ci/intrinsic-test.sh
@@ -51,28 +51,31 @@ case ${TARGET} in
         TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_aarch64.txt
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER}"
+        : "${TEST_SAMPLE_INTRINSICS_PERCENTAGE:=100}"
         ;;
 
     aarch64_be-unknown-linux-gnu*)
         TEST_CPPFLAGS="-fuse-ld=lld"
         TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_aarch64.txt
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_RUNNER}"
+        : "${TEST_SAMPLE_INTRINSICS_PERCENTAGE:=100}"
         ;;
 
     armv7-unknown-linux-gnueabihf*)
         TEST_CPPFLAGS="-fuse-ld=lld -I/usr/arm-linux-gnueabihf/include/ -I/usr/arm-linux-gnueabihf/include/c++/9/arm-linux-gnueabihf/"
         TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_arm.txt
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUNNER}"
+        : "${TEST_SAMPLE_INTRINSICS_PERCENTAGE:=100}"
         ;;
 
     x86_64-unknown-linux-gnu*)
         TEST_CPPFLAGS="-fuse-ld=lld -I/usr/include/x86_64-linux-gnu/"
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER}"
         TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_x86.txt
-        TEST_SAMPLE_INTRINSICS_PERCENTAGE=5
+        : "${TEST_SAMPLE_INTRINSICS_PERCENTAGE:=5}"
         ;;
     *)
         ;;
@@ -82,23 +85,25 @@ esac
 # Arm specific
 case "${TARGET}" in
     aarch64-unknown-linux-gnu*|armv7-unknown-linux-gnueabihf*)
-        CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" RUST_LOG=warn \
+        CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" RUST_LOG=info \
             cargo run "${INTRINSIC_TEST}" "${PROFILE}" \
             --bin intrinsic-test -- intrinsics_data/arm_intrinsics.json \
             --runner "${TEST_RUNNER}" \
             --cppcompiler "${TEST_CXX_COMPILER}" \
             --skip "${TEST_SKIP_INTRINSICS}" \
-            --target "${TARGET}"
+            --target "${TARGET}" \
+            --sample-percentage "${TEST_SAMPLE_INTRINSICS_PERCENTAGE}"
         ;;
 
     aarch64_be-unknown-linux-gnu*)
-        CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" RUST_LOG=warn \
+        CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" RUST_LOG=info \
             cargo run "${INTRINSIC_TEST}" "${PROFILE}"  \
             --bin intrinsic-test -- intrinsics_data/arm_intrinsics.json \
             --runner "${TEST_RUNNER}" \
             --cppcompiler "${TEST_CXX_COMPILER}" \
             --skip "${TEST_SKIP_INTRINSICS}" \
             --target "${TARGET}" \
+            --sample-percentage "${TEST_SAMPLE_INTRINSICS_PERCENTAGE}" \
             --linker "${CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_LINKER}" \
             --cxx-toolchain-dir "${AARCH64_BE_TOOLCHAIN}"
         ;;
@@ -109,7 +114,7 @@ case "${TARGET}" in
         # Hence the use of `env -u`.
         env -u CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER \
             CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" \
-            RUST_LOG=warn RUST_BACKTRACE=1 \
+            RUST_LOG=info RUST_BACKTRACE=1 \
             cargo run "${INTRINSIC_TEST}" "${PROFILE}"  \
             --bin intrinsic-test -- intrinsics_data/x86-intel.xml \
             --runner "${TEST_RUNNER}" \

diff --git a/library/stdarch/crates/core_arch/README.md b/library/stdarch/crates/core_arch/README.md
@@ -3,7 +3,7 @@
 
 The `core::arch` module implements architecture-dependent intrinsics (e.g. SIMD).
 
-# Usage 
+# Usage
 
 `core::arch` is available as part of `libcore` and it is re-exported by
 `libstd`. Prefer using it via `core::arch` or `std::arch` than via this crate.
@@ -17,7 +17,7 @@ are:
   you need to re-compile it for a non-standard target, please prefer using
   `xargo` and re-compiling `libcore`/`libstd` as appropriate instead of using
   this crate.
-  
+
 * using some features that might not be available even behind unstable Rust
   features. We try to keep these to a minimum. If you need to use some of these
   features, please open an issue so that we can expose them in nightly Rust and
@@ -34,7 +34,7 @@ are:
 * [How to get started][contrib]
 * [How to help implement intrinsics][help-implement]
 
-[contrib]: https://github.com/rust-lang/stdarch/blob/master/CONTRIBUTING.md
+[contrib]: https://github.com/rust-lang/stdarch/blob/HEAD/CONTRIBUTING.md
 [help-implement]: https://github.com/rust-lang/stdarch/issues/40
 [i686]: https://rust-lang.github.io/stdarch/i686/core_arch/
 [x86_64]: https://rust-lang.github.io/stdarch/x86_64/core_arch/

diff --git a/library/stdarch/crates/core_arch/src/aarch64/mod.rs b/library/stdarch/crates/core_arch/src/aarch64/mod.rs
@@ -21,10 +21,6 @@ mod neon;
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub use self::neon::*;
 
-mod tme;
-#[unstable(feature = "stdarch_aarch64_tme", issue = "117216")]
-pub use self::tme::*;
-
 mod prefetch;
 #[unstable(feature = "stdarch_aarch64_prefetch", issue = "117217")]
 pub use self::prefetch::*;

diff --git a/library/stdarch/crates/core_arch/src/aarch64/tme.rs b/library/stdarch/crates/core_arch/src/aarch64/tme.rs
diff --git a/library/stdarch/crates/core_arch/src/lib.rs b/library/stdarch/crates/core_arch/src/lib.rs
@@ -33,7 +33,8 @@
     f16,
     aarch64_unstable_target_feature,
     bigint_helper_methods,
-    funnel_shifts
+    funnel_shifts,
+    avx10_target_feature
 )]
 #![cfg_attr(test, feature(test, abi_vectorcall, stdarch_internal))]
 #![deny(clippy::missing_inline_in_public_items)]

diff --git a/library/stdarch/crates/core_arch/src/macros.rs b/library/stdarch/crates/core_arch/src/macros.rs
@@ -163,3 +163,17 @@ macro_rules! simd_extract {
     ($x:expr, $idx:expr $(,)?) => {{ $crate::intrinsics::simd::simd_extract($x, const { $idx }) }};
     ($x:expr, $idx:expr, $ty:ty $(,)?) => {{ $crate::intrinsics::simd::simd_extract::<_, $ty>($x, const { $idx }) }};
 }
+
+#[allow(unused)]
+macro_rules! simd_masked_load {
+    ($align:expr, $mask:expr, $ptr:expr, $default:expr) => {
+        $crate::intrinsics::simd::simd_masked_load::<_, _, _, { $align }>($mask, $ptr, $default)
+    };
+}
+
+#[allow(unused)]
+macro_rules! simd_masked_store {
+    ($align:expr, $mask:expr, $ptr:expr, $default:expr) => {
+        $crate::intrinsics::simd::simd_masked_store::<_, _, _, { $align }>($mask, $ptr, $default)
+    };
+}