83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
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/* FreeRDP: A Remote Desktop Protocol Client
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* Shift operations.
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* vi:ts=4 sw=4:
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*
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* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <freerdp/types.h>
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#include <freerdp/primitives.h>
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#include <winpr/sysinfo.h>
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#ifdef WITH_SSE2
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#include <emmintrin.h>
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#include <pmmintrin.h>
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#endif /* WITH_SSE2 */
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#ifdef WITH_IPP
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#include <ipps.h>
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#endif /* WITH_IPP */
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#include "prim_internal.h"
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#include "prim_templates.h"
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static primitives_t* generic = NULL;
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#ifdef WITH_SSE2
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#if !defined(WITH_IPP) || defined(ALL_PRIMITIVES_VERSIONS)
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/* ------------------------------------------------------------------------- */
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SSE3_SCD_ROUTINE(sse2_lShiftC_16s, INT16, generic->lShiftC_16s, _mm_slli_epi16,
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*dptr++ = (INT16)((UINT16)*sptr++ << val))
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/* ------------------------------------------------------------------------- */
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SSE3_SCD_ROUTINE(sse2_rShiftC_16s, INT16, generic->rShiftC_16s, _mm_srai_epi16,
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*dptr++ = *sptr++ >> val)
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/* ------------------------------------------------------------------------- */
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SSE3_SCD_ROUTINE(sse2_lShiftC_16u, UINT16, generic->lShiftC_16u, _mm_slli_epi16,
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*dptr++ = (INT16)((UINT16)*sptr++ << val))
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/* ------------------------------------------------------------------------- */
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SSE3_SCD_ROUTINE(sse2_rShiftC_16u, UINT16, generic->rShiftC_16u, _mm_srli_epi16,
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*dptr++ = *sptr++ >> val)
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#endif /* !defined(WITH_IPP) || defined(ALL_PRIMITIVES_VERSIONS) */
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#endif
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/* Note: the IPP version will have to call ippLShiftC_16s or ippRShiftC_16s
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* depending on the sign of val. To avoid using the deprecated inplace
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* routines, a wrapper can use the src for the dest.
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*/
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/* ------------------------------------------------------------------------- */
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void primitives_init_shift_opt(primitives_t* prims)
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{
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generic = primitives_get_generic();
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primitives_init_shift(prims);
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#if defined(WITH_IPP)
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prims->lShiftC_16s = (__lShiftC_16s_t)ippsLShiftC_16s;
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prims->rShiftC_16s = (__rShiftC_16s_t)ippsRShiftC_16s;
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prims->lShiftC_16u = (__lShiftC_16u_t)ippsLShiftC_16u;
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prims->rShiftC_16u = (__rShiftC_16u_t)ippsRShiftC_16u;
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#elif defined(WITH_SSE2)
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if (IsProcessorFeaturePresent(PF_SSE2_INSTRUCTIONS_AVAILABLE) &&
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IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE))
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{
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prims->lShiftC_16s = sse2_lShiftC_16s;
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prims->rShiftC_16s = sse2_rShiftC_16s;
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prims->lShiftC_16u = sse2_lShiftC_16u;
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prims->rShiftC_16u = sse2_rShiftC_16u;
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}
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#endif
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}
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