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cleanup: upstream dropped AMX-TF32 #158910

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cleanup: upstream dropped AMX-TF32 #158910

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1 change: 0 additions & 1 deletion compiler/rustc_target/src/target_features.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -423,7 +423,6 @@ static X86_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
("amx-fp16", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
("amx-int8", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
("amx-movrs", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
("amx-tf32", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
("amx-tile", Unstable(sym::x86_amx_intrinsics), &[]),
("apxf", Unstable(sym::apx_target_feature), &[]),
("avx", Stable, &["sse4.2"]),
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2 changes: 0 additions & 2 deletions library/std_detect/src/detect/arch/x86.rs
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@nikic nikic Jul 13, 2026 •
edited by rustbot
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There's also a leftover mention in a comment in this file.

View changes since the review

Original file line number Diff line number Diff line change
Expand Up @@ -228,8 +228,6 @@ features! {
/// AMX-FP8 (Float8 Operations)
@FEATURE: #[unstable(feature = "x86_amx_intrinsics", issue = "126622")] amx_movrs: "amx-movrs";
/// AMX-MOVRS (Matrix MOVERS operations)
@FEATURE: #[unstable(feature = "x86_amx_intrinsics", issue = "126622")] amx_tf32: "amx-tf32";
/// AMX-TF32 (TensorFloat32 Operations)
@FEATURE: #[unstable(feature = "apx_target_feature", issue = "139284")] apxf: "apxf";
/// APX-F (Advanced Performance Extensions - Foundation)
@FEATURE: #[unstable(feature = "avx10_target_feature", issue = "138843")] avx10_1: "avx10.1";
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1 change: 0 additions & 1 deletion library/std_detect/src/detect/os/x86.rs
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Expand Up @@ -216,7 +216,6 @@ pub(crate) fn detect_features() -> cache::Initializer {
__cpuid_count(0x1e_u32, 1);

enable(amx_feature_flags_eax, 4, Feature::amx_fp8);
enable(amx_feature_flags_eax, 6, Feature::amx_tf32);
enable(amx_feature_flags_eax, 7, Feature::amx_avx512);
enable(amx_feature_flags_eax, 8, Feature::amx_movrs);
}
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1 change: 0 additions & 1 deletion tests/ui/check-cfg/target_feature.stderr
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Expand Up @@ -28,7 +28,6 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE");
`amx-fp8`
`amx-int8`
`amx-movrs`
`amx-tf32`
`amx-tile`
`apxf`
`atomics`
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