[Pcre-svn] [1645] code/trunk/sljit: Support Android ARM64 ca…

Revision: 1645

          http://vcs.pcre.org/viewvc?view=rev&revision=1645
Author:   zherczeg
Date:     2016-04-06 08:15:10 +0100 (Wed, 06 Apr 2016)
Log Message:
-----------
Support Android ARM64 cacheflush in JIT. Patch by Tavian Barnes.

Modified Paths:
--------------
    code/trunk/sljit/sljitConfigInternal.h
    code/trunk/sljit/sljitNativePPC_common.c
    code/trunk/sljit/sljitNativeSPARC_common.c

Modified: code/trunk/sljit/sljitConfigInternal.h
===================================================================
--- code/trunk/sljit/sljitConfigInternal.h    2016-03-04 09:08:03 UTC (rev 1644)
+++ code/trunk/sljit/sljitConfigInternal.h    2016-04-06 07:15:10 UTC (rev 1645)
@@ -279,6 +279,15 @@
 /* Instruction cache flush. */
 /****************************/

+#if (!defined SLJIT_CACHE_FLUSH && defined __has_builtin)
+#if __has_builtin(__builtin___clear_cache)
+
+#define SLJIT_CACHE_FLUSH(from, to) \
+    __builtin___clear_cache((char*)from, (char*)to)
+
+#endif /* __has_builtin(__builtin___clear_cache) */
+#endif /* (!defined SLJIT_CACHE_FLUSH && defined __has_builtin) */
+
 #ifndef SLJIT_CACHE_FLUSH

 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
@@ -295,6 +304,11 @@
 #define SLJIT_CACHE_FLUSH(from, to) \
     sys_icache_invalidate((char*)(from), (char*)(to) - (char*)(from))

+#elif (defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
+
+#define SLJIT_CACHE_FLUSH(from, to) \
+    __builtin___clear_cache((char*)from, (char*)to)
+
 #elif defined __ANDROID__

 /* Android lacks __clear_cache; instead, cacheflush should be used. */
@@ -307,6 +321,7 @@
 /* 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)

@@ -313,6 +328,7 @@
 /* The __clear_cache() implementation of GCC is a dummy function on Sparc. */
 #define SLJIT_CACHE_FLUSH(from, to) \
     sparc_cache_flush((from), (to))
+#define SLJIT_CACHE_FLUSH_OWN_IMPL 1

#else

Modified: code/trunk/sljit/sljitNativePPC_common.c
===================================================================
--- code/trunk/sljit/sljitNativePPC_common.c    2016-03-04 09:08:03 UTC (rev 1644)
+++ code/trunk/sljit/sljitNativePPC_common.c    2016-04-06 07:15:10 UTC (rev 1645)
@@ -46,6 +46,8 @@
 #define SLJIT_PASS_ENTRY_ADDR_TO_CALL 1
 #endif

+#if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL)
+
static void ppc_cache_flush(sljit_ins *from, sljit_ins *to)
{
#ifdef _AIX
@@ -87,6 +89,8 @@
#endif /* _AIX */
}

+#endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */
+
 #define TMP_REG1    (SLJIT_NUMBER_OF_REGISTERS + 2)
 #define TMP_REG2    (SLJIT_NUMBER_OF_REGISTERS + 3)
 #define TMP_REG3    (SLJIT_NUMBER_OF_REGISTERS + 4)

Modified: code/trunk/sljit/sljitNativeSPARC_common.c
===================================================================
--- code/trunk/sljit/sljitNativeSPARC_common.c    2016-03-04 09:08:03 UTC (rev 1644)
+++ code/trunk/sljit/sljitNativeSPARC_common.c    2016-04-06 07:15:10 UTC (rev 1645)
@@ -33,6 +33,8 @@
    Both for sparc-32 and sparc-64 */
 typedef sljit_u32 sljit_ins;

+#if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL)
+
static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
{
#if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
@@ -82,6 +84,8 @@
#endif
}

+#endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */
+
 /* TMP_REG2 is not used by getput_arg */
 #define TMP_REG1    (SLJIT_NUMBER_OF_REGISTERS + 2)
 #define TMP_REG2    (SLJIT_NUMBER_OF_REGISTERS + 3)