From b7c2cd08a6f68010ad27c9c0bf2fde02fb743a0e Mon Sep 17 00:00:00 2001
From: "Emilio G. Cota" <cota@braap.org>
Date: Fri, 23 Nov 2018 17:41:43 -0500
Subject: [PATCH] xxhash: match output against the original xxhash32
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Change the order in which we extract a/b and c/d to
match the output of the upstream xxhash32.
Tested with:
https://github.com/cota/xxhash/tree/qemu
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/qemu/xxhash.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/qemu/xxhash.h b/include/qemu/xxhash.h
index fe35dde328..076f1f6054 100644
--- a/include/qemu/xxhash.h
+++ b/include/qemu/xxhash.h
@@ -55,10 +55,10 @@ qemu_xxhash7(uint64_t ab, uint64_t cd, uint32_t e, uint32_t f, uint32_t g)
uint32_t v2 = QEMU_XXHASH_SEED + PRIME32_2;
uint32_t v3 = QEMU_XXHASH_SEED + 0;
uint32_t v4 = QEMU_XXHASH_SEED - PRIME32_1;
- uint32_t a = ab >> 32;
- uint32_t b = ab;
- uint32_t c = cd >> 32;
- uint32_t d = cd;
+ uint32_t a = ab;
+ uint32_t b = ab >> 32;
+ uint32_t c = cd;
+ uint32_t d = cd >> 32;
uint32_t h32;
v1 += a * PRIME32_2;
--
2.30.2