diff options
Diffstat (limited to 'src/main/jni/opus/celt/arm/fixed_armv4.h')
-rw-r--r-- | src/main/jni/opus/celt/arm/fixed_armv4.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/src/main/jni/opus/celt/arm/fixed_armv4.h b/src/main/jni/opus/celt/arm/fixed_armv4.h deleted file mode 100644 index b690bc8ce..000000000 --- a/src/main/jni/opus/celt/arm/fixed_armv4.h +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (C) 2013 Xiph.Org Foundation and contributors */ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#ifndef FIXED_ARMv4_H -#define FIXED_ARMv4_H - -/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */ -#undef MULT16_32_Q16 -static OPUS_INLINE opus_val32 MULT16_32_Q16_armv4(opus_val16 a, opus_val32 b) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#MULT16_32_Q16\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(b),"r"(a<<16) - ); - return rd_hi; -} -#define MULT16_32_Q16(a, b) (MULT16_32_Q16_armv4(a, b)) - - -/** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */ -#undef MULT16_32_Q15 -static OPUS_INLINE opus_val32 MULT16_32_Q15_armv4(opus_val16 a, opus_val32 b) -{ - unsigned rd_lo; - int rd_hi; - __asm__( - "#MULT16_32_Q15\n\t" - "smull %0, %1, %2, %3\n\t" - : "=&r"(rd_lo), "=&r"(rd_hi) - : "%r"(b), "r"(a<<16) - ); - /*We intentionally don't OR in the high bit of rd_lo for speed.*/ - return rd_hi<<1; -} -#define MULT16_32_Q15(a, b) (MULT16_32_Q15_armv4(a, b)) - - -/** 16x32 multiply, followed by a 15-bit shift right and 32-bit add. - b must fit in 31 bits. - Result fits in 32 bits. */ -#undef MAC16_32_Q15 -#define MAC16_32_Q15(c, a, b) ADD32(c, MULT16_32_Q15(a, b)) - - -/** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */ -#undef MULT32_32_Q31 -#define MULT32_32_Q31(a,b) (opus_val32)((((opus_int64)(a)) * ((opus_int64)(b)))>>31) - -#endif |