Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

re-stabilize the AVX-512 features that were stabilized in Rust 1.27.0 #842

Merged
merged 3 commits into from
Mar 19, 2020
Merged

re-stabilize the AVX-512 features that were stabilized in Rust 1.27.0 #842

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
f2e262f
re-stabilize the AVX-512 features that were stabilized in Rust 1.27.0
oconnor663 Feb 27, 2020
d9b91b4
add a comment explaining feature detection stability
oconnor663 Feb 27, 2020
134e248
adjust stabilizations to match most recent proposal
oconnor663 Mar 11, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 14 additions & 10 deletions crates/std_detect/src/detect/arch/x86.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ features! {
/// RDSEED
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] tsc: "tsc";
/// TSC (Time Stamp Counter)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] mmx: "mmx";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] mmx: "mmx";
/// MMX (MultiMedia eXtensions)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] sse: "sse";
/// SSE (Streaming SIMD Extensions)
Expand All @@ -106,27 +106,31 @@ features! {
/// SSE4.1 (Streaming SIMD Extensions 4.1)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] sse4_2: "sse4.2";
/// SSE4.2 (Streaming SIMD Extensions 4.2)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] sse4a: "sse4a";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] sse4a: "sse4a";
/// SSE4a (Streaming SIMD Extensions 4a)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] sha: "sha";
/// SHA
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx: "avx";
/// AVX (Advanced Vector Extensions)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx2: "avx2";
/// AVX2 (Advanced Vector Extensions 2)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512f: "avx512f" ;
// Detection for the AVX-512 features below was accidentally stabilized in
// Rust 1.27.0, even though the corresponding intrinsics are still unstable
// or unimplemeted. There are stable callers who rely on detection support,
// e.g. to call AVX-512 C code via FFI.
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512f: "avx512f" ;
/// AVX-512 F (Foundation)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512cd: "avx512cd" ;
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512cd: "avx512cd" ;
/// AVX-512 CD (Conflict Detection Instructions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512er: "avx512er";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512er: "avx512er";
/// AVX-512 ER (Expo nential and Reciprocal Instructions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512pf: "avx512pf";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512pf: "avx512pf";
/// AVX-512 PF (Prefetch Instructions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512bw: "avx512bw";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512bw: "avx512bw";
/// AVX-512 BW (Byte and Word Instructions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512dq: "avx512dq";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512dq: "avx512dq";
/// AVX-512 DQ (Doubleword and Quadword)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512vl: "avx512vl";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] avx512vl: "avx512vl";
/// AVX-512 VL (Vector Length Extensions)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] avx512ifma: "avx512ifma";
/// AVX-512 IFMA (Integer Fused Multiply Add)
Expand Down Expand Up @@ -161,7 +165,7 @@ features! {
/// BMI2 (Bit Manipulation Instructions 2)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] lzcnt: "lzcnt";
/// ABM (Advanced Bit Manipulation) / LZCNT (Leading Zero Count)
@FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] tbm: "tbm";
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] tbm: "tbm";
/// TBM (Trailing Bit Manipulation)
@FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] popcnt: "popcnt";
/// POPCNT (Population Count)
Expand Down