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@@ -0,0 +1,38 @@
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+--- php-7.4.24.orig/ext/standard/crc32.c 2021-09-21 13:23:20.000000000 +0200
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++++ php-7.4.24/ext/standard/crc32.c 2021-09-29 10:27:37.144637295 +0200
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+@@ -23,7 +23,6 @@
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+ #if HAVE_AARCH64_CRC32
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+ # include <arm_acle.h>
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+ # if defined(__linux__)
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+-# include <sys/auxv.h>
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+ # include <asm/hwcap.h>
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+ # endif
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+
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+@@ -32,13 +31,6 @@ static inline int has_crc32_insn() {
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+ static int res = -1;
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+ if (res != -1)
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+ return res;
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+-# if defined(HWCAP_CRC32)
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+- res = getauxval(AT_HWCAP) & HWCAP_CRC32;
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+- return res;
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+-# elif defined(HWCAP2_CRC32)
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+- res = getauxval(AT_HWCAP2) & HWCAP2_CRC32;
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+- return res;
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+-# else
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+ res = 0;
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+ return res;
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+ # endif
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+@@ -85,13 +77,6 @@ PHP_NAMED_FUNCTION(php_if_crc32)
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+
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+ crc = crcinit^0xFFFFFFFF;
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+
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+-#if HAVE_AARCH64_CRC32
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+- if (has_crc32_insn()) {
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+- crc = crc32_aarch64(crc, p, nr);
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+- RETURN_LONG(crc^0xFFFFFFFF);
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+- }
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+-#endif
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+-
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+ for (; nr--; ++p) {
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+ crc = ((crc >> 8) & 0x00FFFFFF) ^ crc32tab[(crc ^ (*p)) & 0xFF ];
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+ }
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