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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /vendor/compiler_builtins/src/mem/impls.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/compiler_builtins/src/mem/impls.rs')
-rw-r--r-- | vendor/compiler_builtins/src/mem/impls.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/vendor/compiler_builtins/src/mem/impls.rs b/vendor/compiler_builtins/src/mem/impls.rs index 815132425..72003a5c4 100644 --- a/vendor/compiler_builtins/src/mem/impls.rs +++ b/vendor/compiler_builtins/src/mem/impls.rs @@ -265,3 +265,17 @@ pub unsafe fn set_bytes(mut s: *mut u8, c: u8, mut n: usize) { } set_bytes_bytes(s, c, n); } + +#[inline(always)] +pub unsafe fn compare_bytes(s1: *const u8, s2: *const u8, n: usize) -> i32 { + let mut i = 0; + while i < n { + let a = *s1.add(i); + let b = *s2.add(i); + if a != b { + return a as i32 - b as i32; + } + i += 1; + } + 0 +} |