disable ARM Neon optimizations

fix seems to be non-trivial, can look into it later.

Author: divinity76

build/php.m4

@@ -2848,6 +2848,28 @@ AC_DEFUN([PHP_CHECK_AVX512_VBMI_SUPPORTS], [
 ])
 
 
+dnl PHP_CHECK_ARM_NEON_SUPPORT
+dnl check if we're compiling for ARM NEON
+AC_DEFUN([PHP_CHECK_ARM_NEON_SUPPORT], [
+  AC_CACHE_CHECK([for ARM NEON support],ac_cv_target_arm_neon,[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+int main(void) {
+#if defined(__ARM_NEON__) || defined(__ARM_NEON)
+    return 0;
+#else
+    return 1;
+#endif
+}
+]])],[
+  ac_cv_target_arm_neon=yes
+],[
+  ac_cv_target_arm_neon=no
+],[
+  ac_cv_target_arm_neon=no
+])])
+])
+
+
 dnl
 dnl PHP_CHECK_X86_TARGET
 dnl

ext/hash/config.m4

@@ -10,6 +10,13 @@ fi
 
 EXT_HASH_BLAKE3_SOURCES="hash_blake3.c blake3/upstream_blake3/c/blake3.c blake3/upstream_blake3/c/blake3_dispatch.c blake3/upstream_blake3/c/blake3_portable.c"
 
+dnl if test $ac_cv_target_arm_neon = yes; then
+dnl   EXT_HASH_BLAKE3_SOURCES="$EXT_HASH_BLAKE3_SOURCES blake3/upstream_blake3/c/blake3_neon.c"
+dnl   EXT_HASH_BLAKE3_HEADERS="$EXT_HASH_BLAKE3_HEADERS ext/hash/blake3/upstream_blake3/c/blake3_impl.h"
+dnl fi
+PHP_HASH_CFLAGS="$PHP_HASH_CFLAGS -DBLAKE3_USE_NEON=0"
+
+
 if test $ac_cv_c_bigendian_php = yes; then
   EXT_HASH_SHA3_SOURCES="hash_sha3.c"
   AC_DEFINE(HAVE_SLOW_HASH3, 1, [Define if hash3 algo is available])

ext/hash/config.w32

@@ -31,7 +31,7 @@ if (!CHECK_HEADER_ADD_INCLUDE('KeccakHash.h', 'CFLAGS_HASH', hash_sha3_dir)) {
 }
 
 ADD_FLAG('CFLAGS_HASH', '/DKeccakP200_excluded /DKeccakP400_excluded /DKeccakP800_excluded /DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 ' +
- '/DBLAKE3_NO_SSE2 /DBLAKE3_NO_SSE41 /DBLAKE3_NO_AVX2 /DBLAKE3_NO_AVX512');
+ '/DBLAKE3_NO_SSE2 /DBLAKE3_NO_SSE41 /DBLAKE3_NO_AVX2 /DBLAKE3_NO_AVX512 /DBLAKE3_USE_NEON=0');
 
 var hash_murmur_dir = 'ext/hash/murmur';
 if (!CHECK_HEADER_ADD_INCLUDE('PMurHash.h', 'CFLAGS_HASH', hash_murmur_dir)) {