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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2013 VMware, Inc. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /** |
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| 29 | * @file |
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| 30 | * Helper arithmetic functions with support for overflow detection |
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| 31 | * and reporting. |
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| 32 | * |
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| 33 | * @author Zack Rusin |
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| 34 | */ |
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| 35 | |||
| 36 | |||
| 37 | #ifndef LP_BLD_ARIT_OVERFLOW_H |
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| 38 | #define LP_BLD_ARIT_OVERFLOW_H |
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| 39 | |||
| 40 | |||
| 41 | #include "gallivm/lp_bld.h" |
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| 42 | |||
| 43 | struct gallivm_state; |
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| 44 | |||
| 45 | LLVMValueRef |
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| 46 | lp_build_uadd_overflow(struct gallivm_state *gallivm, |
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| 47 | LLVMValueRef a, |
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| 48 | LLVMValueRef b, |
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| 49 | LLVMValueRef *ofbit); |
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| 50 | |||
| 51 | LLVMValueRef |
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| 52 | lp_build_umul_overflow(struct gallivm_state *gallivm, |
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| 53 | LLVMValueRef a, |
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| 54 | LLVMValueRef b, |
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| 55 | LLVMValueRef *ofbit); |
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| 56 | |||
| 57 | #endif /* !LP_BLD_ARIT_OVERFLOW_H */ |