1 files changed, 0 insertions, 125 deletions
diff --git a/library/stdarch/crates/core_arch/src/arm/ex.rs b/library/stdarch/crates/core_arch/src/arm/ex.rs
deleted file mode 100644
index 75f378642..000000000
--- a/library/stdarch/crates/core_arch/src/arm/ex.rs
+++ /dev/null
@@ -1,125 +0,0 @@
-// Reference: Section 5.4.4 "LDREX / STREX" of ACLE
-
-/// Removes the exclusive lock created by LDREX
-// Supported: v6, v6K, v7-M, v7-A, v7-R
-// Not supported: v5, v6-M
-// NOTE: there's no dedicated CLREX instruction in v6 (<v6k); to clear the exclusive monitor users
-// have to do a dummy STREX operation
-#[cfg(any(
-    all(target_feature = "v6k", not(target_feature = "mclass")), // excludes v6-M
-    all(target_feature = "v7", target_feature = "mclass"), // v7-M
-    doc
-))]
-pub unsafe fn __clrex() {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.clrex"]
-        fn clrex();
-    }
-
-    clrex()
-}
-
-/// Executes an exclusive LDR instruction for 8 bit value.
-// Supported: v6K, v7-M, v7-A, v7-R
-// Not supported: v5, v6, v6-M
-#[cfg(any(
-    target_feature = "v6k", // includes v7-M but excludes v6-M
-    doc
-))]
-pub unsafe fn __ldrexb(p: *const u8) -> u8 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.ldrex.p0i8"]
-        fn ldrex8(p: *const u8) -> u32;
-    }
-
-    ldrex8(p) as u8
-}
-
-/// Executes an exclusive LDR instruction for 16 bit value.
-// Supported: v6K, v7-M, v7-A, v7-R, v8
-// Not supported: v5, v6, v6-M
-#[cfg(any(
-    target_feature = "v6k", // includes v7-M but excludes v6-M
-    doc
-))]
-pub unsafe fn __ldrexh(p: *const u16) -> u16 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.ldrex.p0i16"]
-        fn ldrex16(p: *const u16) -> u32;
-    }
-
-    ldrex16(p) as u16
-}
-
-/// Executes an exclusive LDR instruction for 32 bit value.
-// Supported: v6, v7-M, v6K, v7-A, v7-R, v8
-// Not supported: v5, v6-M
-#[cfg(any(
-    all(target_feature = "v6", not(target_feature = "mclass")), // excludes v6-M
-    all(target_feature = "v7", target_feature = "mclass"), // v7-M
-    doc
-))]
-pub unsafe fn __ldrex(p: *const u32) -> u32 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.ldrex.p0i32"]
-        fn ldrex32(p: *const u32) -> u32;
-    }
-
-    ldrex32(p)
-}
-
-/// Executes an exclusive STR instruction for 8 bit values
-///
-/// Returns `0` if the operation succeeded, or `1` if it failed
-// supported: v6K, v7-M, v7-A, v7-R
-// Not supported: v5, v6, v6-M
-#[cfg(any(
-    target_feature = "v6k", // includes v7-M but excludes v6-M
-    doc
-))]
-pub unsafe fn __strexb(value: u32, addr: *mut u8) -> u32 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.strex.p0i8"]
-        fn strex8(value: u32, addr: *mut u8) -> u32;
-    }
-
-    strex8(value, addr)
-}
-
-/// Executes an exclusive STR instruction for 16 bit values
-///
-/// Returns `0` if the operation succeeded, or `1` if it failed
-// Supported: v6K, v7-M, v7-A, v7-R, v8
-// Not supported: v5, v6, v6-M
-#[cfg(target_feature = "aarch64")]
-#[cfg(any(
-    target_feature = "v6k", // includes v7-M but excludes v6-M
-    doc
-))]
-pub unsafe fn __strexh(value: u16, addr: *mut u16) -> u32 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.strex.p0i16"]
-        fn strex16(value: u32, addr: *mut u16) -> u32;
-    }
-
-    strex16(value as u32, addr)
-}
-
-/// Executes an exclusive STR instruction for 32 bit values
-///
-/// Returns `0` if the operation succeeded, or `1` if it failed
-// Supported: v6, v7-M, v6K, v7-A, v7-R, v8
-// Not supported: v5, v6-M
-#[cfg(any(
-    all(target_feature = "v6", not(target_feature = "mclass")), // excludes v6-M
-    all(target_feature = "v7", target_feature = "mclass"), // v7-M
-    doc
-))]
-pub unsafe fn __strex(value: u32, addr: *mut u32) -> u32 {
-    extern "unadjusted" {
-        #[link_name = "llvm.arm.strex.p0i32"]
-        fn strex32(value: u32, addr: *mut u32) -> u32;
-    }
-
-    strex32(value, addr)
-}