From 34546d61c1112aad888c3b8f07604bffb3f2e7b9 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Thu, 27 Jun 2013 15:23:21 -0400 Subject: draw/gallivm: export overflow arithmetic to its own file We'll be reusing this code so lets put it in a common file and use it in the draw module. Signed-off-by: Zack Rusin --- .../auxiliary/gallivm/lp_bld_arit_overflow.h | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h (limited to 'src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h') diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h b/src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h new file mode 100644 index 00000000000..8c35a04181b --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit_overflow.h @@ -0,0 +1,57 @@ +/************************************************************************** + * + * Copyright 2013 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, 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: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Helper arithmetic functions with support for overflow detection + * and reporting. + * + * @author Zack Rusin + */ + + +#ifndef LP_BLD_ARIT_OVERFLOW_H +#define LP_BLD_ARIT_OVERFLOW_H + + +#include "gallivm/lp_bld.h" + +struct gallivm_state; + +LLVMValueRef +lp_build_uadd_overflow(struct gallivm_state *gallivm, + LLVMValueRef a, + LLVMValueRef b, + LLVMValueRef *ofbit); + +LLVMValueRef +lp_build_umul_overflow(struct gallivm_state *gallivm, + LLVMValueRef a, + LLVMValueRef b, + LLVMValueRef *ofbit); + +#endif /* !LP_BLD_ARIT_OVERFLOW_H */ -- cgit v1.2.3