From 9a1854b844c5125a071da16ee7ab97f11e98dee1 Mon Sep 17 00:00:00 2001
From: Amanieu d'Antras <amanieu@gmail.com>
Date: Thu, 26 Oct 2023 12:18:07 +0100
Subject: [PATCH] Add tracking issue for ARM CRC32 intrinsics

---
 library/stdarch/crates/core_arch/src/aarch64/crc.rs    | 2 ++
 library/stdarch/crates/core_arch/src/aarch64/mod.rs    | 1 +
 library/stdarch/crates/core_arch/src/arm_shared/crc.rs | 6 ++++++
 library/stdarch/crates/core_arch/src/arm_shared/mod.rs | 3 +--
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/library/stdarch/crates/core_arch/src/aarch64/crc.rs b/library/stdarch/crates/core_arch/src/aarch64/crc.rs
index ac3f8d815ccb..35940e0db80a 100644
--- a/library/stdarch/crates/core_arch/src/aarch64/crc.rs
+++ b/library/stdarch/crates/core_arch/src/aarch64/crc.rs
@@ -15,6 +15,7 @@ use stdarch_test::assert_instr;
 #[inline]
 #[target_feature(enable = "crc")]
 #[cfg_attr(test, assert_instr(crc32x))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32d(crc: u32, data: u64) -> u32 {
     crc32x_(crc, data)
 }
@@ -25,6 +26,7 @@ pub unsafe fn __crc32d(crc: u32, data: u64) -> u32 {
 #[inline]
 #[target_feature(enable = "crc")]
 #[cfg_attr(test, assert_instr(crc32cx))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32cd(crc: u32, data: u64) -> u32 {
     crc32cx_(crc, data)
 }
diff --git a/library/stdarch/crates/core_arch/src/aarch64/mod.rs b/library/stdarch/crates/core_arch/src/aarch64/mod.rs
index 170c8ef27057..d9c16cf933c2 100644
--- a/library/stdarch/crates/core_arch/src/aarch64/mod.rs
+++ b/library/stdarch/crates/core_arch/src/aarch64/mod.rs
@@ -17,6 +17,7 @@ mod tme;
 pub use self::tme::*;
 
 mod crc;
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub use self::crc::*;
 
 mod prefetch;
diff --git a/library/stdarch/crates/core_arch/src/arm_shared/crc.rs b/library/stdarch/crates/core_arch/src/arm_shared/crc.rs
index 779d1ed426ef..b1f716e1aa92 100644
--- a/library/stdarch/crates/core_arch/src/arm_shared/crc.rs
+++ b/library/stdarch/crates/core_arch/src/arm_shared/crc.rs
@@ -30,6 +30,7 @@ use stdarch_test::assert_instr;
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32b))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32b(crc: u32, data: u8) -> u32 {
     crc32b_(crc, data as u32)
 }
@@ -41,6 +42,7 @@ pub unsafe fn __crc32b(crc: u32, data: u8) -> u32 {
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32h))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32h(crc: u32, data: u16) -> u32 {
     crc32h_(crc, data as u32)
 }
@@ -52,6 +54,7 @@ pub unsafe fn __crc32h(crc: u32, data: u16) -> u32 {
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32w))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32w(crc: u32, data: u32) -> u32 {
     crc32w_(crc, data)
 }
@@ -63,6 +66,7 @@ pub unsafe fn __crc32w(crc: u32, data: u32) -> u32 {
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32cb))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32cb(crc: u32, data: u8) -> u32 {
     crc32cb_(crc, data as u32)
 }
@@ -74,6 +78,7 @@ pub unsafe fn __crc32cb(crc: u32, data: u8) -> u32 {
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32ch))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32ch(crc: u32, data: u16) -> u32 {
     crc32ch_(crc, data as u32)
 }
@@ -85,6 +90,7 @@ pub unsafe fn __crc32ch(crc: u32, data: u16) -> u32 {
 #[target_feature(enable = "crc")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v8"))]
 #[cfg_attr(test, assert_instr(crc32cw))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub unsafe fn __crc32cw(crc: u32, data: u32) -> u32 {
     crc32cw_(crc, data)
 }
diff --git a/library/stdarch/crates/core_arch/src/arm_shared/mod.rs b/library/stdarch/crates/core_arch/src/arm_shared/mod.rs
index ee603a0df1d3..2379f65b0b7e 100644
--- a/library/stdarch/crates/core_arch/src/arm_shared/mod.rs
+++ b/library/stdarch/crates/core_arch/src/arm_shared/mod.rs
@@ -59,9 +59,8 @@ pub use self::barrier::*;
 mod hints;
 pub use self::hints::*;
 
-#[cfg(any(target_arch = "aarch64", target_feature = "v7", doc))]
 mod crc;
-#[cfg(any(target_arch = "aarch64", target_feature = "v7", doc))]
+#[unstable(feature = "stdarch_arm_crc32", issue = "117215")]
 pub use crc::*;
 
 // NEON intrinsics are currently broken on big-endian, so don't expose them. (#1484)