зеркало из https://github.com/mozilla/gecko-dev.git
30 строки
886 B
C
30 строки
886 B
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef AlignmentUtils_h__
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#define AlignmentUtils_h__
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#define IS_ALIGNED16(ptr) ((((uintptr_t)ptr + 15) & ~0x0F) == (uintptr_t)ptr)
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#ifdef DEBUG
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# define ASSERT_ALIGNED16(ptr) \
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MOZ_ASSERT(IS_ALIGNED16(ptr), \
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#ptr " has to be aligned to a 16 byte boundary");
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#else
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# define ASSERT_ALIGNED16(ptr)
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#endif
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#ifdef DEBUG
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# define ASSERT_MULTIPLE16(v) \
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MOZ_ASSERT(v % 16 == 0, #v " has to be a a multiple of 16");
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#else
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# define ASSERT_MULTIPLE16(v)
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#endif
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#define ALIGNED16(ptr) (float*)(((uintptr_t)ptr + 15) & ~0x0F);
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#endif
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