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-rw-r--r--src/libstd/sys_common/alloc.rs46
1 files changed, 0 insertions, 46 deletions
diff --git a/src/libstd/sys_common/alloc.rs b/src/libstd/sys_common/alloc.rs
deleted file mode 100644
index c6694100785..00000000000
--- a/src/libstd/sys_common/alloc.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-#![allow(dead_code)]
-
-use crate::alloc::{GlobalAlloc, Layout, System};
-use crate::cmp;
-use crate::ptr;
-
-// The minimum alignment guaranteed by the architecture. This value is used to
-// add fast paths for low alignment values.
-#[cfg(all(any(
- target_arch = "x86",
- target_arch = "arm",
- target_arch = "mips",
- target_arch = "powerpc",
- target_arch = "powerpc64",
- target_arch = "asmjs",
- target_arch = "wasm32",
- target_arch = "hexagon"
-)))]
-pub const MIN_ALIGN: usize = 8;
-#[cfg(all(any(
- target_arch = "x86_64",
- target_arch = "aarch64",
- target_arch = "mips64",
- target_arch = "s390x",
- target_arch = "sparc64",
- target_arch = "riscv64"
-)))]
-pub const MIN_ALIGN: usize = 16;
-
-pub unsafe fn realloc_fallback(
- alloc: &System,
- ptr: *mut u8,
- old_layout: Layout,
- new_size: usize,
-) -> *mut u8 {
- // Docs for GlobalAlloc::realloc require this to be valid:
- let new_layout = Layout::from_size_align_unchecked(new_size, old_layout.align());
-
- let new_ptr = GlobalAlloc::alloc(alloc, new_layout);
- if !new_ptr.is_null() {
- let size = cmp::min(old_layout.size(), new_size);
- ptr::copy_nonoverlapping(ptr, new_ptr, size);
- GlobalAlloc::dealloc(alloc, ptr, old_layout);
- }
- new_ptr
-}