Patch bug71006.diff for Compile Failure Bug #71006

Patch version 2015-12-01 11:10 UTC

• 2015-12-01 11:10 UTC [diff to current]

Developer: dmitry@zend.com

diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index c9d4de4..6b335d2 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -506,9 +506,9 @@ static void zend_mm_munmap(void *addr, size_t size)
 /* number of trailing set (1) bits */
 static zend_always_inline int zend_mm_bitset_nts(zend_mm_bitset bitset)
 {
-#if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG
+#if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG && defined(PHP_HAVE_BUILTIN_CTZL)
 	return __builtin_ctzl(~bitset);
-#elif defined(__GNUC__) || __has_builtin(__builtin_ctzll)
+#elif (defined(__GNUC__) || __has_builtin(__builtin_ctzll)) && defined(PHP_HAVE_BUILTIN_CTZLL)
 	return __builtin_ctzll(~bitset);
 #elif defined(_WIN32)
 	unsigned long index;
@@ -545,9 +545,9 @@ static zend_always_inline int zend_mm_bitset_nts(zend_mm_bitset bitset)
 /* number of trailing zero bits (0x01 -> 1; 0x40 -> 6; 0x00 -> LEN) */
 static zend_always_inline int zend_mm_bitset_ntz(zend_mm_bitset bitset)
 {
-#if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG
+#if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG && defined(PHP_HAVE_BUILTIN_CTZL)
 	return __builtin_ctzl(bitset);
-#elif defined(__GNUC__) || __has_builtin(__builtin_ctzll)
+#elif (defined(__GNUC__) || __has_builtin(__builtin_ctzll)) && defined(PHP_HAVE_BUILTIN_CTZLL)
 	return __builtin_ctzll(bitset);
 #elif defined(_WIN32)
 	unsigned long index;
@@ -1161,7 +1161,7 @@ static zend_always_inline void zend_mm_free_large(zend_mm_heap *heap, zend_mm_ch
 /* higher set bit number (0->N/A, 1->1, 2->2, 4->3, 8->4, 127->7, 128->8 etc) */
 static zend_always_inline int zend_mm_small_size_to_bit(int size)
 {
-#if defined(__GNUC__) || __has_builtin(__builtin_clz)
+#if (defined(__GNUC__) || __has_builtin(__builtin_clz))  && defined(PHP_HAVE_BUILTIN_CLZ)
 	return (__builtin_clz(size) ^ 0x1f) + 1;
 #elif defined(_WIN32)
 	unsigned long index;
diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c
index 283ceb8..ecfee33 100644
--- a/Zend/zend_hash.c
+++ b/Zend/zend_hash.c
@@ -112,7 +112,7 @@ static uint32_t zend_always_inline zend_hash_check_size(uint32_t nSize)
 		   rather than using an undefined bis scan result. */
 		return nSize;
 	}
-#elif defined(__GNUC__) || __has_builtin(__builtin_clz)
+#elif (defined(__GNUC__) || __has_builtin(__builtin_clz))  && defined(PHP_HAVE_BUILTIN_CLZ)
 	return 0x2 << (__builtin_clz(nSize - 1) ^ 0x1f);
 #else
 	nSize -= 1;
diff --git a/acinclude.m4 b/acinclude.m4
index ff2fad6..e828de1 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -3050,3 +3050,57 @@ AC_DEFUN([PHP_CHECK_BUILTIN_EXPECT], [
   AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_EXPECT], [$have_builtin_expect], [Whether the compiler supports __builtin_expect])
 
 ])
+
+dnl PHP_CHECK_BUILTIN_CLZ
+AC_DEFUN([PHP_CHECK_BUILTIN_CLZ], [
+  AC_MSG_CHECKING([for __builtin_clz])
+
+  AC_TRY_LINK(, [
+    return __builtin_clz(1) ? 1 : 0;
+  ], [
+    have_builtin_clz=1
+    AC_MSG_RESULT([yes])
+  ], [
+    have_builtin_clz=0
+    AC_MSG_RESULT([no])
+  ])
+
+  AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CLZ], [$have_builtin_clz], [Whether the compiler supports __builtin_clz])
+
+])
+
+dnl PHP_CHECK_BUILTIN_CTZL
+AC_DEFUN([PHP_CHECK_BUILTIN_CTZL], [
+  AC_MSG_CHECKING([for __builtin_ctzl])
+
+  AC_TRY_LINK(, [
+    return __builtin_ctzl(2L) ? 1 : 0;
+  ], [
+    have_builtin_ctzl=1
+    AC_MSG_RESULT([yes])
+  ], [
+    have_builtin_ctzl=0
+    AC_MSG_RESULT([no])
+  ])
+
+  AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CTZL], [$have_builtin_ctzl], [Whether the compiler supports __builtin_ctzl])
+
+])
+
+dnl PHP_CHECK_BUILTIN_CTZLL
+AC_DEFUN([PHP_CHECK_BUILTIN_CTZLL], [
+  AC_MSG_CHECKING([for __builtin_ctzll])
+
+  AC_TRY_LINK(, [
+    return __builtin_ctzll(2LL) ? 1 : 0;
+  ], [
+    have_builtin_ctzll=1
+    AC_MSG_RESULT([yes])
+  ], [
+    have_builtin_ctzll=0
+    AC_MSG_RESULT([no])
+  ])
+
+  AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CTZLL], [$have_builtin_ctzll], [Whether the compiler supports __builtin_ctzll])
+
+])