genericopenlibs/liboil/src/copy/copy.c
changeset 18 47c74d1534e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/copy/copy.c	Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,175 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <liboil/liboilfunction.h>
+
+OIL_DECLARE_CLASS (copy_u8);
+
+static void
+copy_u8_libc (uint8_t *dest, const uint8_t *src, int n)
+{
+  memcpy (dest, src, n);
+}
+OIL_DEFINE_IMPL (copy_u8_libc, copy_u8);
+
+static void
+copy_u8_ptr (uint8_t *dest, const uint8_t *src, int n)
+{
+  while(n--) {
+    *dest++ = *src++;
+  }
+}
+OIL_DEFINE_IMPL (copy_u8_ptr, copy_u8);
+
+#ifdef HAVE_UNALIGNED_ACCESS
+static void
+copy_u8_ints (uint8_t *dest, const uint8_t *src, int n)
+{
+  int i;
+  for(i=0;i<(n&3);i++){
+    *dest++ = *src++;
+  }
+  n >>= 2;
+  for(i=0;i<n;i++){
+    *(uint32_t *)dest = *(uint32_t *)src;
+    dest += 4;
+    src += 4;
+  }
+}
+OIL_DEFINE_IMPL (copy_u8_ints, copy_u8);
+#endif
+
+#ifdef HAVE_UNALIGNED_ACCESS
+/* Submitted by Adam Moss */
+static void
+copy_u8_llints (uint8_t *dest, const uint8_t *src, int n)
+{
+  int i;
+  for(i=0;i<(n&7);i++){
+    *dest++ = *src++;
+  }
+  n >>= 3;
+  for(i=0;i<n;i++){
+    *(uint64_t *)dest = *(uint64_t *)src;
+    dest += 8;
+    src += 8;
+  }
+}
+OIL_DEFINE_IMPL (copy_u8_llints, copy_u8);
+#endif
+
+#ifdef HAVE_UNALIGNED_ACCESS
+/* Submitted by Adam Moss */
+static void
+copy_u8_llints_duff (uint8_t *dest, const uint8_t *src, int n)
+{
+  switch(n&7) {
+  case 7: *dest++ = *src++;
+  case 6: *dest++ = *src++;
+  case 5: *dest++ = *src++;
+  case 4: *dest++ = *src++;
+  case 3: *dest++ = *src++;
+  case 2: *dest++ = *src++;
+  case 1: *dest++ = *src++;
+  default: ;
+  }
+  n >>= 3;
+  while (n) {
+    switch (n & 15) {
+    default:
+    case 0: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 15: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 14: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 13: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 12: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 11: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 10: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 9: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 8: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 7: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 6: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 5: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 4: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 3: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 2: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    case 1: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
+    }
+    n = (n - 1) & ~(int)15;
+  }
+}
+OIL_DEFINE_IMPL (copy_u8_llints_duff, copy_u8);
+#endif
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_libc() {
+		return &_oil_function_impl_copy_u8_libc;
+}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_ptr() {
+		return &_oil_function_impl_copy_u8_ptr;
+}
+#endif
+
+#ifdef HAVE_UNALIGNED_ACCESS
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_ints() {
+		return &_oil_function_impl_copy_u8_ints;
+}
+#endif
+#endif
+
+#ifdef HAVE_UNALIGNED_ACCESS
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_llints() {
+		return &_oil_function_impl_copy_u8_llints;
+}
+#endif
+#endif
+
+#ifdef HAVE_UNALIGNED_ACCESS
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_llints_duff() {
+		return &_oil_function_impl_copy_u8_llints_duff;
+}
+#endif
+#endif