genericopenlibs/liboil/src/copy_sse.c
changeset 18 47c74d1534e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/copy_sse.c	Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2005
+ *	Eric Anholt.  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 <liboil/liboilclasses.h>
+#include <liboil/liboilfunction.h>
+#include <emmintrin.h>
+
+#define SSE_FUNCTION __attribute__((force_align_arg_pointer))
+
+SSE_FUNCTION static void
+copy_u8_sse (uint8_t *dest, const uint8_t *src, int n)
+{
+  for (; ((long)dest & 15) && (n > 0); n--) {
+    *dest++ = *src++;
+  }
+  for (; n >= 16; n -= 16) {
+    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
+    src += 16;
+    dest += 16;
+  }
+  for (; n > 0; n--) {
+    *dest++ = *src++;
+  }
+}
+OIL_DEFINE_IMPL_FULL (copy_u8_sse, copy_u8, OIL_IMPL_FLAG_SSE2);
+
+SSE_FUNCTION static void
+copy_u8_sse_unroll2 (uint8_t *dest, const uint8_t *src, int n)
+{
+  for (; ((long)dest & 15) && (n > 0); n--) {
+    *dest++ = *src++;
+  }
+  for (; n >= 32; n -= 32) {
+    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
+    _mm_store_si128((__m128i *)(dest + 16), _mm_loadu_si128((__m128i *)(src + 16)));
+    src += 32;
+    dest += 32;
+  }
+  if (n >= 16) {
+    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
+    src += 16;
+    dest += 16;
+    n -= 16;
+  }
+  for (; n > 0; n--) {
+    *dest++ = *src++;
+  }
+}
+OIL_DEFINE_IMPL_FULL (copy_u8_sse_unroll2, copy_u8, OIL_IMPL_FLAG_SSE2);
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_sse, copy_u8() {
+		return &_oil_function_impl_copy_u8_sse, copy_u8;
+}
+#endif
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_copy_u8_sse_unroll2, copy_u8() {
+		return &_oil_function_impl_copy_u8_sse_unroll2, copy_u8;
+}
+#endif
+