JIT compiler update.

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1175 2f5784b3-3f2a-0410-8824-cb99058d5e15

3 files changed, 34 insertions, 2 deletions

diff --git a/sljit/sljitConfigInternal.h b/sljit/sljitConfigInternal.h
index 1dfff6a..61c7255 100644
--- a/sljit/sljitConfigInternal.h
+++ b/sljit/sljitConfigInternal.h
@@ -219,6 +219,12 @@
 #define SLJIT_CACHE_FLUSH(from, to) \
 	ppc_cache_flush((from), (to))
 
+#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
+
+/* The __clear_cache() implementation of GCC is a dummy function on Sparc. */
+#define SLJIT_CACHE_FLUSH(from, to) \
+	sparc_cache_flush((from), (to))
+
 #else
 
 /* Calls __ARM_NR_cacheflush on ARM-Linux. */
diff --git a/sljit/sljitNativeSPARC_common.c b/sljit/sljitNativeSPARC_common.c
index 85a320c..c825d2c 100644
--- a/sljit/sljitNativeSPARC_common.c
+++ b/sljit/sljitNativeSPARC_common.c
@@ -33,6 +33,30 @@ SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void)
    Both for sparc-32 and sparc-64 */
 typedef sljit_ui sljit_ins;
 
+static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
+{
+	if (SLJIT_UNLIKELY(from == to))
+		return;
+
+	do {
+		__asm__ volatile (
+			"flush %0\n"
+			: : "r"(from)
+		);
+		/* Operates at least on doubleword. */
+		from += 2;
+	} while (from < to);
+
+	if (from == to) {
+		/* Flush the last word. */
+		to --;
+		__asm__ volatile (
+			"flush %0\n"
+			: : "r"(to)
+		);
+	}
+}
+
 /* TMP_REG2 is not used by getput_arg */
 #define TMP_REG1	(SLJIT_NO_REGISTERS + 1)
 #define TMP_REG2	(SLJIT_NO_REGISTERS + 2)
diff --git a/sljit/sljitUtils.c b/sljit/sljitUtils.c
index 56cf32a..e3ffbf9 100644
--- a/sljit/sljitUtils.c
+++ b/sljit/sljitUtils.c
@@ -106,10 +106,10 @@ SLJIT_API_FUNC_ATTRIBUTE void SLJIT_CALL sljit_release_lock(void)
 
 #else /* _WIN32 */
 
-#include <pthread.h>
-
 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
 
+#include <pthread.h>
+
 static pthread_mutex_t allocator_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 static SLJIT_INLINE void allocator_grab_lock(void)
@@ -126,6 +126,8 @@ static SLJIT_INLINE void allocator_release_lock(void)
 
 #if (defined SLJIT_UTIL_GLOBAL_LOCK && SLJIT_UTIL_GLOBAL_LOCK)
 
+#include <pthread.h>
+
 static pthread_mutex_t global_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 SLJIT_API_FUNC_ATTRIBUTE void SLJIT_CALL sljit_grab_lock(void)