From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Wed, 29 Dec 2021 23:51:00 +0000 (-0800)
Subject: Fixed crc32 assembly not returning hash value to correct variable.
X-Git-Tag: 2.1.0-beta1~464
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f14bffab8bbb17c577f6fae61a47b0a94f0486c;p=thirdparty%2Fzlib-ng.git

Fixed crc32 assembly not returning hash value to correct variable.
---

diff --git a/arch/x86/insert_string_sse.c b/arch/x86/insert_string_sse.c
index 7a63b2a7b..b33a2c7cc 100644
--- a/arch/x86/insert_string_sse.c
+++ b/arch/x86/insert_string_sse.c
@@ -26,7 +26,7 @@
         __asm mov edx, h\
         __asm mov eax, val\
         __asm crc32 eax, edx\
-        __asm mov val, eax\
+        __asm mov h, eax\
     }
 #  else
 #    define HASH_CALC(s, h, val) \
diff --git a/cmake/detect-intrinsics.cmake b/cmake/detect-intrinsics.cmake
index 39ae19ae9..e03daaa13 100644
--- a/cmake/detect-intrinsics.cmake
+++ b/cmake/detect-intrinsics.cmake
@@ -230,7 +230,7 @@ macro(check_sse4_intrinsics)
         "int main(void) {
             unsigned val = 0, h = 0;
         #if defined(_MSC_VER)
-            { __asm mov edx, h __asm mov eax, val __asm crc32 eax, edx __asm mov val, eax }
+            { __asm mov edx, h __asm mov eax, val __asm crc32 eax, edx __asm mov h, eax }
         #else
             __asm__ __volatile__ ( \"crc32 %1,%0\" : \"+r\" (h) : \"r\" (val) );
         #endif