summaryrefslogtreecommitdiff
path: root/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c
diff options
context:
space:
mode:
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c')
-rw-r--r--ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c
deleted file mode 100644
index e13ea016f5..0000000000
--- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/** @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 "Llvm_int_lib.h"
-
-// Returns: a << b
-
-// Precondition: 0 <= b < bits_in_dword
-
-INT64
-__ashldi3(INT64 a, INT32 b)
-{
- const int bits_in_word = (int)(sizeof(INT32) * CHAR_BIT);
- dwords input;
- dwords result;
- input.all = a;
- if (b & bits_in_word) // bits_in_word <= b < bits_in_dword
- {
- result.low = 0;
- result.high = input.low << (b - bits_in_word);
- }
- else // 0 <= b < bits_in_word
- {
- if (b == 0)
- return a;
- result.low = input.low << b;
- result.high = (input.high << b) | (input.low >> (bits_in_word - b));
- }
- return result.all;
-}