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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
commitc23a457e72abe608715ac76f076f47dc42af07a5 (patch)
tree2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /library/stdarch/crates/std_detect/src
parentReleasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz
rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/stdarch/crates/std_detect/src')
-rw-r--r--library/stdarch/crates/std_detect/src/detect/arch/arm.rs4
-rw-r--r--library/stdarch/crates/std_detect/src/detect/os/linux/arm.rs8
-rw-r--r--library/stdarch/crates/std_detect/src/lib.rs2
3 files changed, 11 insertions, 3 deletions
diff --git a/library/stdarch/crates/std_detect/src/detect/arch/arm.rs b/library/stdarch/crates/std_detect/src/detect/arch/arm.rs
index a7dea27fb..fd332e0b2 100644
--- a/library/stdarch/crates/std_detect/src/detect/arch/arm.rs
+++ b/library/stdarch/crates/std_detect/src/detect/arch/arm.rs
@@ -22,5 +22,7 @@ features! {
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] sha2: "sha2";
/// FEAT_SHA1 & FEAT_SHA256 (SHA1 & SHA2-256 instructions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] i8mm: "i8mm";
- /// FEAT_I8MM
+ /// FEAT_I8MM (integer matrix multiplication, plus ASIMD support)
+ @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] dotprod: "dotprod";
+ /// FEAT_DotProd (Vector Dot-Product - ASIMDDP)
}
diff --git a/library/stdarch/crates/std_detect/src/detect/os/linux/arm.rs b/library/stdarch/crates/std_detect/src/detect/os/linux/arm.rs
index 7601cf0a8..4dc9590e1 100644
--- a/library/stdarch/crates/std_detect/src/detect/os/linux/arm.rs
+++ b/library/stdarch/crates/std_detect/src/detect/os/linux/arm.rs
@@ -17,6 +17,8 @@ pub(crate) fn detect_features() -> cache::Initializer {
//
// [hwcap]: https://github.com/torvalds/linux/blob/master/arch/arm/include/uapi/asm/hwcap.h
if let Ok(auxv) = auxvec::auxv() {
+ enable_feature(&mut value, Feature::i8mm, bit::test(auxv.hwcap, 27));
+ enable_feature(&mut value, Feature::dotprod, bit::test(auxv.hwcap, 24));
enable_feature(&mut value, Feature::neon, bit::test(auxv.hwcap, 12));
enable_feature(&mut value, Feature::pmull, bit::test(auxv.hwcap2, 1));
enable_feature(&mut value, Feature::crc, bit::test(auxv.hwcap2, 4));
@@ -37,6 +39,12 @@ pub(crate) fn detect_features() -> cache::Initializer {
Feature::neon,
c.field("Features").has("neon") && !has_broken_neon(&c),
);
+ enable_feature(&mut value, Feature::i8mm, c.field("Features").has("i8mm"));
+ enable_feature(
+ &mut value,
+ Feature::dotprod,
+ c.field("Features").has("asimddp"),
+ );
enable_feature(&mut value, Feature::pmull, c.field("Features").has("pmull"));
enable_feature(&mut value, Feature::crc, c.field("Features").has("crc32"));
enable_feature(&mut value, Feature::aes, c.field("Features").has("aes"));
diff --git a/library/stdarch/crates/std_detect/src/lib.rs b/library/stdarch/crates/std_detect/src/lib.rs
index c0819218c..7fdfb872e 100644
--- a/library/stdarch/crates/std_detect/src/lib.rs
+++ b/library/stdarch/crates/std_detect/src/lib.rs
@@ -19,8 +19,6 @@
#![deny(clippy::missing_inline_in_public_items)]
#![cfg_attr(test, allow(unused_imports))]
#![no_std]
-// FIXME(Nilstrieb): Remove this once the compiler in stdarch CI has the internal_features lint.
-#![allow(unknown_lints)]
#![allow(internal_features)]
#[cfg(test)]