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Build: Update xxhash to v0.8.4.

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Keeps our two local changes (the ppsspp_config.h include and the ARM32
prefetch in the XXH32 loop). Hash values are unchanged.

XXH3 is much faster on ARM64 now: about 37 GB/s against 13.5 with v0.8.1
on a Snapdragon X, where our quick texture hash does 24.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
This commit is contained in:
Henrik RydgårdandClaude Opus 5.5 committed 2026-09-29 13:04:08 -06:00
1 parent 1b8553956f
commit 21ee60a8ab
2 files changed
+3253 -1306
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ext/xxhash.c
+3 -4
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@@ -1,6 +1,6 @@
/*
* xxHash - Extremely Fast Hash algorithm
* Copyright (C) 2012-2020 Yann Collet
* Copyright (C) 2012-2023 Yann Collet
*
* BSD 2-Clause License (https://www.opensource.org/licenses/bsd-license.php)
*
@@ -32,12 +32,11 @@
* - xxHash source repository: https://github.com/Cyan4973/xxHash
*/
/*
* xxhash.c instantiates functions defined in xxhash.h
*/
#define XXH_STATIC_LINKING_ONLY /* access advanced declarations */
#define XXH_IMPLEMENTATION /* access definitions */
#define XXH_STATIC_LINKING_ONLY /* access advanced declarations */
#define XXH_IMPLEMENTATION /* access definitions */
#include "xxhash.h"
ext/xxhash.h
+3250 -1302
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