From 447d1b3083eca9ad14528d13b81ac3fa36e8f24b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zolt=C3=A1n=20Herczeg?= <hzmester@freemail.hu>
Date: Tue, 28 Mar 2017 09:56:52 +0000
Subject: [PATCH] Minor JIT compiler update.

---
 src/sljit/sljitConfigInternal.h | 14 +++++++-------
 src/sljit/sljitLir.h            |  9 +++++++++
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/sljit/sljitConfigInternal.h b/src/sljit/sljitConfigInternal.h
index 1a01a41..ba72151 100644
--- a/src/sljit/sljitConfigInternal.h
+++ b/src/sljit/sljitConfigInternal.h
@@ -296,6 +296,13 @@
 #define SLJIT_CACHE_FLUSH(from, to) \
 	sys_icache_invalidate((char*)(from), (char*)(to) - (char*)(from))
 
+#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
+
+/* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */
+#define SLJIT_CACHE_FLUSH(from, to) \
+	ppc_cache_flush((from), (to))
+#define SLJIT_CACHE_FLUSH_OWN_IMPL 1
+
 #elif (defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
 
 #define SLJIT_CACHE_FLUSH(from, to) \
@@ -308,13 +315,6 @@
 #define SLJIT_CACHE_FLUSH(from, to) \
     cacheflush((long)(from), (long)(to), 0)
 
-#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
-
-/* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */
-#define SLJIT_CACHE_FLUSH(from, to) \
-	ppc_cache_flush((from), (to))
-#define SLJIT_CACHE_FLUSH_OWN_IMPL 1
-
 #elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 
 /* The __clear_cache() implementation of GCC is a dummy function on Sparc. */
diff --git a/src/sljit/sljitLir.h b/src/sljit/sljitLir.h
index 8ecd22a..6cde57d 100644
--- a/src/sljit/sljitLir.h
+++ b/src/sljit/sljitLir.h
@@ -1302,6 +1302,15 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct
 
 #endif /* !(defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) */
 
+#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
+/* Free unused executable memory. The allocator keeps some free memory
+   around to reduce the number of OS executable memory allocations.
+   This improves performance since these calls are costly. However
+   it is sometimes desired to free all unused memory regions, e.g.
+   before the application terminates. */
+SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void);
+#endif
+
 /* --------------------------------------------------------------------- */
 /*  CPU specific functions                                               */
 /* --------------------------------------------------------------------- */