-/** @file
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-/**
- University of Illinois/NCSA
- Open Source License
-
- Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.
- All rights reserved.
-
- Developed by:
-
- LLVM Team
-
- University of Illinois at Urbana-Champaign
-
- http://llvm.org
-
- Permission is hereby granted, free of charge, to any person obtaining a copy of
- this software and associated documentation files (the "Software"), to deal with
- the Software without restriction, including without limitation the rights to
- use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- of the Software, and to permit persons to whom the Software is furnished to do
- so, subject to the following conditions:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimers.
-
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimers in the
- documentation and/or other materials provided with the distribution.
-
- * Neither the names of the LLVM Team, University of Illinois at
- Urbana-Champaign, nor the names of its contributors may be used to
- endorse or promote products derived from this Software without specific
- prior written permission.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
- SOFTWARE.
-**/
-
-#include <Base.h>
-#include "Llvm_int_lib.h"
-
-
-// Returns: a * b
-
-static
-INT64
-__muldsi3(UINT32 a, UINT32 b)
-{
- dwords r;
- const int bits_in_word_2 = (int)(sizeof(INT32) * CHAR_BIT) / 2;
- const UINT32 lower_mask = (UINT32)~0 >> bits_in_word_2;
- r.low = (a & lower_mask) * (b & lower_mask);
- UINT32 t = r.low >> bits_in_word_2;
- r.low &= lower_mask;
- t += (a >> bits_in_word_2) * (b & lower_mask);
- r.low += (t & lower_mask) << bits_in_word_2;
- r.high = t >> bits_in_word_2;
- t = r.low >> bits_in_word_2;
- r.low &= lower_mask;
- t += (b >> bits_in_word_2) * (a & lower_mask);
- r.low += (t & lower_mask) << bits_in_word_2;
- r.high += t >> bits_in_word_2;
- r.high += (a >> bits_in_word_2) * (b >> bits_in_word_2);
- return r.all;
-}
-
-// Returns: a * b
-
-INT64
-__muldi3(INT64 a, INT64 b)
-{
- dwords x;
- x.all = a;
- dwords y;
- y.all = b;
- dwords r;
- r.all = __muldsi3(x.low, y.low);
- r.high += x.high * y.low + x.low * y.high;
- return r.all;
-}
+/** @file\r
+\r
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+ \r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+/**\r
+ University of Illinois/NCSA\r
+ Open Source License\r
+ \r
+ Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.\r
+ All rights reserved.\r
+ \r
+ Developed by:\r
+ \r
+ LLVM Team\r
+ \r
+ University of Illinois at Urbana-Champaign\r
+ \r
+ http://llvm.org\r
+ \r
+ Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ this software and associated documentation files (the "Software"), to deal with\r
+ the Software without restriction, including without limitation the rights to\r
+ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies\r
+ of the Software, and to permit persons to whom the Software is furnished to do\r
+ so, subject to the following conditions:\r
+ \r
+ * Redistributions of source code must retain the above copyright notice,\r
+ this list of conditions and the following disclaimers.\r
+ \r
+ * Redistributions in binary form must reproduce the above copyright notice,\r
+ this list of conditions and the following disclaimers in the\r
+ documentation and/or other materials provided with the distribution.\r
+ \r
+ * Neither the names of the LLVM Team, University of Illinois at\r
+ Urbana-Champaign, nor the names of its contributors may be used to\r
+ endorse or promote products derived from this Software without specific\r
+ prior written permission.\r
+ \r
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
+ CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE\r
+ SOFTWARE.\r
+**/\r
+\r
+#include <Base.h>\r
+#include "Llvm_int_lib.h"\r
+\r
+\r
+// Returns: a * b\r
+\r
+static\r
+INT64\r
+__muldsi3(UINT32 a, UINT32 b)\r
+{\r
+ dwords r;\r
+ const int bits_in_word_2 = (int)(sizeof(INT32) * CHAR_BIT) / 2;\r
+ const UINT32 lower_mask = (UINT32)~0 >> bits_in_word_2;\r
+ r.low = (a & lower_mask) * (b & lower_mask);\r
+ UINT32 t = r.low >> bits_in_word_2;\r
+ r.low &= lower_mask;\r
+ t += (a >> bits_in_word_2) * (b & lower_mask);\r
+ r.low += (t & lower_mask) << bits_in_word_2;\r
+ r.high = t >> bits_in_word_2;\r
+ t = r.low >> bits_in_word_2;\r
+ r.low &= lower_mask;\r
+ t += (b >> bits_in_word_2) * (a & lower_mask);\r
+ r.low += (t & lower_mask) << bits_in_word_2;\r
+ r.high += t >> bits_in_word_2;\r
+ r.high += (a >> bits_in_word_2) * (b >> bits_in_word_2);\r
+ return r.all;\r
+}\r
+\r
+// Returns: a * b\r
+\r
+INT64\r
+__muldi3(INT64 a, INT64 b)\r
+{\r
+ dwords x;\r
+ x.all = a;\r
+ dwords y;\r
+ y.all = b;\r
+ dwords r;\r
+ r.all = __muldsi3(x.low, y.low);\r
+ r.high += x.high * y.low + x.low * y.high;\r
+ return r.all;\r
+}\r
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