From b58916bb7ca2ef4087107c630ed5118d1bf91dea Mon Sep 17 00:00:00 2001
From: David Rubin <daviru007@icloud.com>
Date: Sun, 15 Dec 2024 03:40:20 -0800
Subject: [PATCH] correct the hint in `XxHash3`

---
 lib/std/hash/xxhash.zig | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/std/hash/xxhash.zig b/lib/std/hash/xxhash.zig
index eb3d4ea2b9..28b5ceaa3d 100644
--- a/lib/std/hash/xxhash.zig
+++ b/lib/std/hash/xxhash.zig
@@ -593,7 +593,7 @@ pub const XxHash3 = struct {
     }
 
     fn hash3(seed: u64, input: anytype, noalias secret: *const [192]u8) u64 {
-        @branchHint(.cold);
+        @branchHint(.unlikely);
         std.debug.assert(input.len > 0 and input.len < 4);
 
         const flip: [2]u32 = @bitCast(secret[0..8].*);
@@ -625,7 +625,7 @@ pub const XxHash3 = struct {
     }
 
     fn hash16(seed: u64, input: anytype, noalias secret: *const [192]u8) u64 {
-        @branchHint(.cold);
+        @branchHint(.unlikely);
         std.debug.assert(input.len > 8 and input.len <= 16);
 
         const flip: [4]u64 = @bitCast(secret[24..56].*);
@@ -641,7 +641,7 @@ pub const XxHash3 = struct {
     }
 
     fn hash128(seed: u64, input: anytype, noalias secret: *const [192]u8) u64 {
-        @branchHint(.cold);
+        @branchHint(.unlikely);
         std.debug.assert(input.len > 16 and input.len <= 128);
 
         var acc = XxHash64.prime_1 *% @as(u64, input.len);
@@ -657,7 +657,7 @@ pub const XxHash3 = struct {
     }
 
     fn hash240(seed: u64, input: anytype, noalias secret: *const [192]u8) u64 {
-        @branchHint(.cold);
+        @branchHint(.unlikely);
         std.debug.assert(input.len > 128 and input.len <= 240);
 
         var acc = XxHash64.prime_1 *% @as(u64, input.len);
@@ -676,7 +676,7 @@ pub const XxHash3 = struct {
     }
 
     noinline fn hashLong(seed: u64, input: []const u8) u64 {
-        @branchHint(.cold);
+        @branchHint(.unlikely);
         std.debug.assert(input.len >= 240);
 
         const block_count = ((input.len - 1) / @sizeOf(Block)) * @sizeOf(Block);