Chris@69: /***********************************************************************
Chris@69: Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Chris@69: Redistribution and use in source and binary forms, with or without
Chris@69: modification, are permitted provided that the following conditions
Chris@69: are met:
Chris@69: - Redistributions of source code must retain the above copyright notice,
Chris@69: this list of conditions and the following disclaimer.
Chris@69: - Redistributions in binary form must reproduce the above copyright
Chris@69: notice, this list of conditions and the following disclaimer in the
Chris@69: documentation and/or other materials provided with the distribution.
Chris@69: - Neither the name of Internet Society, IETF or IETF Trust, nor the
Chris@69: names of specific contributors, may be used to endorse or promote
Chris@69: products derived from this software without specific prior written
Chris@69: permission.
Chris@69: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Chris@69: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Chris@69: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Chris@69: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
Chris@69: LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Chris@69: CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Chris@69: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Chris@69: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Chris@69: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Chris@69: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69: POSSIBILITY OF SUCH DAMAGE.
Chris@69: ***********************************************************************/
Chris@69: 
Chris@69: 
Chris@69: #ifndef __SILK_MACROS_MIPSR1_H__
Chris@69: #define __SILK_MACROS_MIPSR1_H__
Chris@69: 
Chris@69: #define mips_clz(x) __builtin_clz(x)
Chris@69: 
Chris@69: #undef silk_SMULWB
Chris@69: static inline int silk_SMULWB(int a, int b)
Chris@69: {
Chris@69:     long long ac;
Chris@69:     int c;
Chris@69: 
Chris@69:     ac = __builtin_mips_mult(a, (opus_int32)(opus_int16)b);
Chris@69:     c = __builtin_mips_extr_w(ac, 16);
Chris@69: 
Chris@69:     return c;
Chris@69: }
Chris@69: 
Chris@69: #undef silk_SMLAWB
Chris@69: #define silk_SMLAWB(a32, b32, c32)       ((a32) + silk_SMULWB(b32, c32))
Chris@69: 
Chris@69: #undef silk_SMULWW
Chris@69: static inline int silk_SMULWW(int a, int b)
Chris@69: {
Chris@69:     long long ac;
Chris@69:     int c;
Chris@69: 
Chris@69:     ac = __builtin_mips_mult(a, b);
Chris@69:     c = __builtin_mips_extr_w(ac, 16);
Chris@69: 
Chris@69:     return c;
Chris@69: }
Chris@69: 
Chris@69: #undef silk_SMLAWW
Chris@69: static inline int silk_SMLAWW(int a, int b, int c)
Chris@69: {
Chris@69:     long long ac;
Chris@69:     int res;
Chris@69: 
Chris@69:     ac = __builtin_mips_mult(b, c);
Chris@69:     res = __builtin_mips_extr_w(ac, 16);
Chris@69:     res += a;
Chris@69: 
Chris@69:     return res;
Chris@69: }
Chris@69: 
Chris@69: #define OVERRIDE_silk_CLZ16
Chris@69: static inline opus_int32 silk_CLZ16(opus_int16 in16)
Chris@69: {
Chris@69:     int re32;
Chris@69:     opus_int32 in32 = (opus_int32 )in16;
Chris@69:     re32 = mips_clz(in32);
Chris@69:     re32-=16;
Chris@69:     return re32;
Chris@69: }
Chris@69: 
Chris@69: #define OVERRIDE_silk_CLZ32
Chris@69: static inline opus_int32 silk_CLZ32(opus_int32 in32)
Chris@69: {
Chris@69:     int re32;
Chris@69:     re32 = mips_clz(in32);
Chris@69:     return re32;
Chris@69: }
Chris@69: 
Chris@69: #endif /* __SILK_MACROS_MIPSR1_H__ */