author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright © 2004 Red Hat, Inc. |
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* Copyright © 2005 Trolltech AS |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and its |
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* documentation for any purpose is hereby granted without fee, provided that |
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* the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of Red Hat not be used in advertising or |
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* publicity pertaining to distribution of the software without specific, |
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* written prior permission. Red Hat makes no representations about the |
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* suitability of this software for any purpose. It is provided "as is" |
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* without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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* SOFTWARE. |
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* |
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* Author: Søren Sandmann (sandmann@redhat.com) |
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* Lars Knoll (lars@trolltech.com) |
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* |
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* Based on work by Owen Taylor |
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*/ |
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|
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|
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#define MmxNegate(x) _mm_xor_si64((x), mmx_4x00ff) |
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#define MmxAlpha(x) _mm_shuffle_pi16 ((x), _MM_SHUFFLE(3, 3, 3, 3)); |
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#define MmxTo(x) _mm_unpacklo_pi8 (_mm_cvtsi32_si64((x)), mmx_0) |
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#define MmxFrom(x) (uint32_t)_mm_cvtsi64_si32(_mm_packs_pu16((x), mmx_0)) |
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#define MmxAdd(x, y) _mm_adds_pu16 ((x), (y)) |
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#define MmxMulAdd(x, a, y) do { \ |
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x = _mm_mullo_pi16 (x, a); \ |
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x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \ |
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x = _mm_adds_pu16 (x, mmx_4x0080); \ |
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x = _mm_srli_pi16 (x, 8); \ |
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x = _mm_adds_pu16(x, y); \ |
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} while (0) |
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#define MmxMul(x, a) do { \ |
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x = _mm_mullo_pi16 (x, a); \ |
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x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \ |
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x = _mm_adds_pu16 (x, mmx_4x0080); \ |
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x = _mm_srli_pi16 (x, 8); \ |
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} while (0) |
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#define MmxAddMul(x, a, y, b) do { \ |
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x = _mm_mullo_pi16 (x, a); \ |
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y = _mm_mullo_pi16 (y, b); \ |
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x = _mm_srli_pi16(x, 1); \ |
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y = _mm_srli_pi16(y, 1); \ |
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x = _mm_adds_pu16 (x, y); \ |
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x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \ |
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x = _mm_adds_pu16 (x, mmx_4x0080); \ |
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x = _mm_srli_pi16 (x, 7); \ |
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} while (0) |
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