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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h
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/**************************************************************************

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 *

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 * Copyright 2013 VMware, Inc.

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 * All Rights Reserved.

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 *

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 * Permission is hereby granted, free of charge, to any person obtaining a

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 * copy of this software and associated documentation files (the

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 * "Software"), to deal in the Software without restriction, including

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 * without limitation the rights to use, copy, modify, merge, publish,

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 * distribute, sub license, and/or sell copies of the Software, and to

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 * permit persons to whom the Software is furnished to do so, subject to

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 * the following conditions:

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 *

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 * The above copyright notice and this permission notice (including the

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 * next paragraph) shall be included in all copies or substantial portions

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 * of the Software.

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 *

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

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 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR

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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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 *

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 **************************************************************************/

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/**

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 * @file

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 * Helper arithmetic functions with support for overflow detection

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 * and reporting.

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 *

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 * @author Zack Rusin <[email protected]>

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 */

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#ifndef LP_BLD_ARIT_OVERFLOW_H

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#define LP_BLD_ARIT_OVERFLOW_H

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#include "gallivm/lp_bld.h"

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struct gallivm_state;

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LLVMValueRef

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lp_build_uadd_overflow(struct gallivm_state *gallivm,

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                       LLVMValueRef a,

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                       LLVMValueRef b,

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                       LLVMValueRef *ofbit);

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LLVMValueRef

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lp_build_usub_overflow(struct gallivm_state *gallivm,

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                       LLVMValueRef a,

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                       LLVMValueRef b,

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                       LLVMValueRef *ofbit);

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LLVMValueRef

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lp_build_umul_overflow(struct gallivm_state *gallivm,

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                       LLVMValueRef a,

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                       LLVMValueRef b,

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                       LLVMValueRef *ofbit);

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#endif /* !LP_BLD_ARIT_OVERFLOW_H */

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