Inline full slice hashing

This gives moderate speed improvements when hashing small keys.
The crc/adler/fnv inlining did not provide enough speed up to warrant
the change.

OLD:

wyhash
  small keys: 2277 MiB/s [c14617a1e3800000]
siphash(1,3)
  small keys:  937 MiB/s [b2919222ed400000]
siphash(2,4)
  small keys:  722 MiB/s [3c3d974cc2800000]
fnv1a
  small keys: 1580 MiB/s [70155e1cb7000000]
adler32
  small keys: 1898 MiB/s [00013883ef800000]
crc32-slicing-by-8
  small keys: 2323 MiB/s [0035bf3dcac00000]
crc32-half-byte-lookup
  small keys:  218 MiB/s [0035bf3dcac00000]

NEW:

wyhash
  small keys: 2775 MiB/s [c14617a1e3800000]
siphash(1,3)
  small keys: 1086 MiB/s [b2919222ed400000]
siphash(2,4)
  small keys:  789 MiB/s [3c3d974cc2800000]
fnv1a
  small keys: 1604 MiB/s [70155e1cb7000000]
adler32
  small keys: 1856 MiB/s [00013883ef800000]
crc32-slicing-by-8
  small keys: 2336 MiB/s [0035bf3dcac00000]
crc32-half-byte-lookup
  small keys:  218 MiB/s [0035bf3dcac00000]

1 files changed, 2 insertions, 2 deletions

diff --git a/std/hash/siphash.zig b/std/hash/siphash.zig
index 8e83d67897..aa38c61863 100644
--- a/std/hash/siphash.zig
+++ b/std/hash/siphash.zig
@@ -152,8 +152,8 @@ fn SipHash(comptime T: type, comptime c_rounds: usize, comptime d_rounds: usize)
 
         pub fn hash(key: []const u8, input: []const u8) T {
             var c = Self.init(key);
-            c.update(input);
-            return c.final();
+            @inlineCall(c.update, input);
+            return @inlineCall(c.final);
         }
     };
 }