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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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#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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