blob: c04b5b80c450d86327b1c58f26b0cbbd3fd5e59d (
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--- php-7.4.24.orig/ext/standard/crc32.c 2021-09-21 13:23:20.000000000 +0200
+++ php-7.4.24/ext/standard/crc32.c 2021-09-29 10:27:37.144637295 +0200
@@ -23,7 +23,6 @@
#if HAVE_AARCH64_CRC32
# include <arm_acle.h>
# if defined(__linux__)
-# include <sys/auxv.h>
# include <asm/hwcap.h>
# endif
@@ -32,13 +31,6 @@ static inline int has_crc32_insn() {
static int res = -1;
if (res != -1)
return res;
-# if defined(HWCAP_CRC32)
- res = getauxval(AT_HWCAP) & HWCAP_CRC32;
- return res;
-# elif defined(HWCAP2_CRC32)
- res = getauxval(AT_HWCAP2) & HWCAP2_CRC32;
- return res;
-# else
res = 0;
return res;
# endif
@@ -85,13 +77,6 @@ PHP_NAMED_FUNCTION(php_if_crc32)
crc = crcinit^0xFFFFFFFF;
-#if HAVE_AARCH64_CRC32
- if (has_crc32_insn()) {
- crc = crc32_aarch64(crc, p, nr);
- RETURN_LONG(crc^0xFFFFFFFF);
- }
-#endif
-
for (; nr--; ++p) {
crc = ((crc >> 8) & 0x00FFFFFF) ^ crc32tab[(crc ^ (*p)) & 0xFF ];
}
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