diff --git a/CMakeLists.txt b/CMakeLists.txt index 7e6ae233..4b6d0682 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -104,6 +104,8 @@ enable_testing() check_include_file("byteswap.h" HAVE_BYTESWAP_H) check_include_file("inttypes.h" HAVE_INTTYPES_H) check_include_file("stdint.h" HAVE_STDINT_H) +check_include_file("arm_neon.h" FLAC__HAS_NEONINTRIN) + if(MSVC) check_include_file("intrin.h" FLAC__HAS_X86INTRIN) else() diff --git a/cmake/CheckA64NEON.c.in b/cmake/CheckA64NEON.c.in new file mode 100644 index 00000000..4d43d4fa --- /dev/null +++ b/cmake/CheckA64NEON.c.in @@ -0,0 +1,6 @@ +#include +int main (void) +{ + float64x2_t tmp; + tmp = vdupq_n_f64(0.0f); +} diff --git a/cmake/CheckA64NEON.cmake b/cmake/CheckA64NEON.cmake new file mode 100644 index 00000000..247b8648 --- /dev/null +++ b/cmake/CheckA64NEON.cmake @@ -0,0 +1,14 @@ +macro(CHECK_A64NEON VARIABLE) + if(NOT DEFINED HAVE_${VARIABLE}) + message(STATUS "Check whether A64 NEON can be used") + configure_file(${PROJECT_SOURCE_DIR}/cmake/CheckA64NEON.c.in ${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckA64NEON.c @ONLY) + try_compile(HAVE_${VARIABLE} "${PROJECT_BINARY_DIR}" + "${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckA64NEON.c") + if(HAVE_${VARIABLE}) + message(STATUS "Check whether A64 NEON can be used - yes") + set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_A64NEON" FORCE) + else () + message(STATUS "Check whether A64 NEON can be used - no") + endif() + endif () +endmacro(CHECK_A64NEON) diff --git a/cmake/CheckCPUArch.cmake b/cmake/CheckCPUArch.cmake index c9b7a5c3..4c444363 100644 --- a/cmake/CheckCPUArch.cmake +++ b/cmake/CheckCPUArch.cmake @@ -7,7 +7,7 @@ macro(_CHECK_CPU_ARCH ARCH ARCH_DEFINES VARIABLE) "${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckCPUArch.c") if(HAVE_${VARIABLE}) message(STATUS "Check CPU architecture is ${ARCH} - yes") - set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_CPU_ARCH_X64" FORCE) + set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_CPU_ARCH" FORCE) else () message(STATUS "Check CPU architecture is ${ARCH} - no") endif() @@ -24,4 +24,8 @@ endmacro(CHECK_CPU_ARCH_X86) macro(CHECK_CPU_ARCH_PPC64 VARIABLE) _CHECK_CPU_ARCH(ppc64 "defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) ||defined(_ARCH_PPC64)" ${VARIABLE}) -endmacro(CHECK_CPU_ARCH_PPC64) \ No newline at end of file +endmacro(CHECK_CPU_ARCH_PPC64) + +macro(CHECK_CPU_ARCH_ARM64 VARIABLE) + _CHECK_CPU_ARCH(arm64 "defined(__aarch64__) || defined(__arm64__)" ${VARIABLE}) +endmacro(CHECK_CPU_ARCH_ARM64) diff --git a/config.cmake.h.in b/config.cmake.h.in index 4f424977..3755cd40 100644 --- a/config.cmake.h.in +++ b/config.cmake.h.in @@ -40,6 +40,9 @@ /* Set to 1 if is available. */ #cmakedefine01 FLAC__HAS_X86INTRIN +/* Set to 1 if is available. */ +#cmakedefine01 FLAC__HAS_NEONINTRIN + /* define if building for Darwin / MacOS X */ #cmakedefine FLAC__SYS_DARWIN diff --git a/configure.ac b/configure.ac index dc302735..8a27028d 100644 --- a/configure.ac +++ b/configure.ac @@ -58,7 +58,7 @@ AM_PROG_CC_C_O AC_C_INLINE AC_C_TYPEOF -AC_CHECK_HEADERS([stdint.h inttypes.h byteswap.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h]) +AC_CHECK_HEADERS([stdint.h inttypes.h byteswap.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h arm_neon.h]) XIPH_C_BSWAP32 XIPH_C_BSWAP16 @@ -145,6 +145,12 @@ case "$host_cpu" in AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC]) asm_optimisation=$asm_opt ;; + arm64|aarch64) + cpu_arm64=true + AC_DEFINE(FLAC__CPU_ARM64) + AH_TEMPLATE(FLAC__CPU_ARM64, [define if building for ARM]) + asm_optimisation=$asm_opt + ;; sparc) cpu_sparc=true AC_DEFINE(FLAC__CPU_SPARC) @@ -156,6 +162,7 @@ AM_CONDITIONAL(FLAC__CPU_X86_64, test "x$cpu_x86_64" = xtrue) AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue) AM_CONDITIONAL(FLaC__CPU_PPC, test "x$cpu_ppc" = xtrue) AM_CONDITIONAL(FLaC__CPU_PPC64, test "x$cpu_ppc64" = xtrue) +AM_CONDITIONAL(FLAC__CPU_ARM64, test "x$cpu_arm64" = xtrue) AM_CONDITIONAL(FLaC__CPU_SPARC, test "x$cpu_sparc" = xtrue) if test "x$ac_cv_header_x86intrin_h" = xyes; then @@ -164,6 +171,26 @@ else AC_DEFINE([FLAC__HAS_X86INTRIN], 0) fi +neon=no +if test "x$ac_cv_header_arm_neon_h" = xyes; then +AC_DEFINE([FLAC__HAS_NEONINTRIN], 1, [Set to 1 if is available.]) +neon=yes + AC_MSG_CHECKING([whether arm_neon.h has A64 functions]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include ]], + [[float64x2_t sum5; sum5 = vdupq_n_f64(0.0f);]])], + [AC_MSG_RESULT([yes]) + has_a64neon=yes], + [AC_MSG_RESULT([no])]) + if test "x$has_a64neon" = xyes; then + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 1, [Set to 1 if has A64 instructions.]) + else + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 0) + fi +else +AC_DEFINE([FLAC__HAS_NEONINTRIN], 0) +fi + if test x"$cpu_ppc64" = xtrue ; then AC_C_ATTRIBUTE([target("cpu=power8")], @@ -664,6 +691,7 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then fi echo " Compiler is Clang : ....................... ${xiph_cv_c_compiler_clang}" echo " SSE optimizations : ....................... ${sse_os}" + echo " Neon optimizations : ...................... ${neon}" echo " Asm optimizations : ....................... ${asm_optimisation}" echo " Ogg/FLAC support : ........................ ${have_ogg}" echo " Stack protector : ........................ ${enable_stack_smash_protection}" diff --git a/src/libFLAC/CMakeLists.txt b/src/libFLAC/CMakeLists.txt index 5395c2ed..56a63452 100644 --- a/src/libFLAC/CMakeLists.txt +++ b/src/libFLAC/CMakeLists.txt @@ -10,6 +10,7 @@ include(CheckCSourceCompiles) include(CheckCPUArch) include(CheckAttribute) include(CheckVSX) +include(CheckA64NEON) check_cpu_arch_x64(FLAC__CPU_X86_64) if(NOT FLAC__CPU_X86_64) @@ -26,9 +27,15 @@ else() check_attribute_power8(FLAC__HAS_TARGET_POWER8) check_attribute_power9(FLAC__HAS_TARGET_POWER9) check_vsx(FLAC__USE_VSX) + else() + check_cpu_arch_arm64(FLAC__CPU_ARM64) + if(FLAC__CPU_ARM64) + check_a64neon(FLAC__HAS_A64NEONINTRIN) + endif() endif() endif() + include(CheckLanguage) check_language(ASM_NASM) if(CMAKE_ASM_NASM_COMPILER) @@ -68,6 +75,7 @@ add_library(FLAC float.c format.c lpc.c + lpc_intrin_neon.c lpc_intrin_sse2.c lpc_intrin_sse41.c lpc_intrin_avx2.c diff --git a/src/libFLAC/Makefile.am b/src/libFLAC/Makefile.am index 0203429a..b089d8cc 100644 --- a/src/libFLAC/Makefile.am +++ b/src/libFLAC/Makefile.am @@ -117,6 +117,7 @@ libFLAC_sources = \ lpc_intrin_sse41.c \ lpc_intrin_avx2.c \ lpc_intrin_vsx.c \ + lpc_intrin_neon.c \ md5.c \ memory.c \ metadata_iterators.c \ diff --git a/src/libFLAC/Makefile.lite b/src/libFLAC/Makefile.lite index b6b29ca4..9e96f9f1 100644 --- a/src/libFLAC/Makefile.lite +++ b/src/libFLAC/Makefile.lite @@ -90,6 +90,7 @@ SRCS_C = \ lpc_intrin_sse2.c \ lpc_intrin_sse41.c \ lpc_intrin_avx2.c \ + lpc_intrin_neon.c \ md5.c \ memory.c \ metadata_iterators.c \ diff --git a/src/libFLAC/include/private/lpc.h b/src/libFLAC/include/private/lpc.h index c6fe2f8f..a9076903 100644 --- a/src/libFLAC/include/private/lpc.h +++ b/src/libFLAC/include/private/lpc.h @@ -151,7 +151,13 @@ int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], uint32_t order, */ void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); + #ifndef FLAC__NO_ASM +# ifdef FLAC__CPU_ARM64 +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +# endif + # ifdef FLAC__CPU_IA32 # ifdef FLAC__HAS_NASM void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); diff --git a/src/libFLAC/lpc_intrin_neon.c b/src/libFLAC/lpc_intrin_neon.c new file mode 100644 index 00000000..ab8f71ea --- /dev/null +++ b/src/libFLAC/lpc_intrin_neon.c @@ -0,0 +1,1249 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2016 Xiph.Org Foundation + * + * 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. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * 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 FOUNDATION 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. + */ + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if defined FLAC__CPU_ARM64 && FLAC__HAS_NEONINTRIN +#include "private/lpc.h" +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "private/macros.h" +#include + + +#define MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_vec, lane) \ + summ_0 = vmulq_laneq_s32(tmp_vec[0], qlp_coeff_vec, lane); \ + summ_1 = vmulq_laneq_s32(tmp_vec[4], qlp_coeff_vec, lane); \ + summ_2 = vmulq_laneq_s32(tmp_vec[8], qlp_coeff_vec, lane); + + +#define MACC_32BIT_LOOP_UNROOL_3(tmp_vec_ind, qlp_coeff_vec, lane) \ + summ_0 = vmlaq_laneq_s32(summ_0,tmp_vec[tmp_vec_ind] ,qlp_coeff_vec, lane); \ + summ_1 = vmlaq_laneq_s32(summ_1,tmp_vec[tmp_vec_ind+4] ,qlp_coeff_vec, lane); \ + summ_2 = vmlaq_laneq_s32(summ_2,tmp_vec[tmp_vec_ind+8] ,qlp_coeff_vec, lane); + +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + int32x4_t tmp_vec[20]; + + // Using prologue reads is valid as encoder->private_->local_lpc_compute_residual_from_qlp_coefficients(signal+order,....) + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if (order == 12) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], qlp_coeff[10], qlp_coeff[11]}; + + tmp_vec[0] = vld1q_s32(data - 12); + tmp_vec[1] = vld1q_s32(data - 11); + tmp_vec[2] = vld1q_s32(data - 10); + tmp_vec[3] = vld1q_s32(data - 9); + tmp_vec[4] = vld1q_s32(data - 8); + tmp_vec[5] = vld1q_s32(data - 7); + tmp_vec[6] = vld1q_s32(data - 6); + tmp_vec[7] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + + tmp_vec[8] = vld1q_s32(data + i - 4); + tmp_vec[9] = vld1q_s32(data+i-3); + tmp_vec[10] = vld1q_s32(data+i-2); + tmp_vec[11] = vld1q_s32(data+i-1); + tmp_vec[12] = vld1q_s32(data+i); + tmp_vec[13] = vld1q_s32(data+i+1); + tmp_vec[14] = vld1q_s32(data+i+2); + tmp_vec[15] = vld1q_s32(data+i+3); + tmp_vec[16] = vld1q_s32(data + i + 4); + tmp_vec[17] = vld1q_s32(data + i + 5); + tmp_vec[18] = vld1q_s32(data + i + 6); + tmp_vec[19] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(10, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(11, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + tmp_vec[7] = tmp_vec[19]; + } + } + + else { /* order == 11 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], qlp_coeff[10], 0}; + + tmp_vec[0] = vld1q_s32(data - 11); + tmp_vec[1] = vld1q_s32(data - 10); + tmp_vec[2] = vld1q_s32(data - 9); + tmp_vec[3] = vld1q_s32(data - 8); + tmp_vec[4] = vld1q_s32(data - 7); + tmp_vec[5] = vld1q_s32(data - 6); + tmp_vec[6] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[7] = vld1q_s32(data + i - 4); + tmp_vec[8] = vld1q_s32(data + i - 3); + tmp_vec[9] = vld1q_s32(data + i - 2); + tmp_vec[10] = vld1q_s32(data + i - 1); + tmp_vec[11] = vld1q_s32(data + i - 0); + tmp_vec[12] = vld1q_s32(data + i + 1); + tmp_vec[13] = vld1q_s32(data + i + 2); + tmp_vec[14] = vld1q_s32(data + i + 3); + tmp_vec[15] = vld1q_s32(data + i + 4); + tmp_vec[16] = vld1q_s32(data + i + 5); + tmp_vec[17] = vld1q_s32(data + i + 6); + tmp_vec[18] = vld1q_s32(data + i + 7); + + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(10, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + } + } + } + else { + if(order == 10) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 10); + tmp_vec[1] = vld1q_s32(data - 9); + tmp_vec[2] = vld1q_s32(data - 8); + tmp_vec[3] = vld1q_s32(data - 7); + tmp_vec[4] = vld1q_s32(data - 6); + tmp_vec[5] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[6] = vld1q_s32(data + i - 4); + tmp_vec[7] = vld1q_s32(data + i - 3); + tmp_vec[8] = vld1q_s32(data + i - 2); + tmp_vec[9] = vld1q_s32(data + i - 1); + tmp_vec[10] = vld1q_s32(data + i - 0); + tmp_vec[11] = vld1q_s32(data + i + 1); + tmp_vec[12] = vld1q_s32(data + i + 2); + tmp_vec[13] = vld1q_s32(data + i + 3); + tmp_vec[14] = vld1q_s32(data + i + 4); + tmp_vec[15] = vld1q_s32(data + i + 5); + tmp_vec[16] = vld1q_s32(data + i + 6); + tmp_vec[17] = vld1q_s32(data + i + 7); + + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + } + } + else { /* order == 9 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 9); + tmp_vec[1] = vld1q_s32(data - 8); + tmp_vec[2] = vld1q_s32(data - 7); + tmp_vec[3] = vld1q_s32(data - 6); + tmp_vec[4] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[5] = vld1q_s32(data + i - 4); + tmp_vec[6] = vld1q_s32(data + i - 3); + tmp_vec[7] = vld1q_s32(data + i - 2); + tmp_vec[8] = vld1q_s32(data + i - 1); + tmp_vec[9] = vld1q_s32(data + i - 0); + tmp_vec[10] = vld1q_s32(data + i + 1); + tmp_vec[11] = vld1q_s32(data + i + 2); + tmp_vec[12] = vld1q_s32(data + i + 3); + tmp_vec[13] = vld1q_s32(data + i + 4); + tmp_vec[14] = vld1q_s32(data + i + 5); + tmp_vec[15] = vld1q_s32(data + i + 6); + tmp_vec[16] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + + tmp_vec[0] = vld1q_s32(data - 8); + tmp_vec[1] = vld1q_s32(data - 7); + tmp_vec[2] = vld1q_s32(data - 6); + tmp_vec[3] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[4] = vld1q_s32(data + i - 4); + tmp_vec[5] = vld1q_s32(data + i - 3); + tmp_vec[6] = vld1q_s32(data + i - 2); + tmp_vec[7] = vld1q_s32(data + i - 1); + tmp_vec[8] = vld1q_s32(data + i - 0); + tmp_vec[9] = vld1q_s32(data + i + 1); + tmp_vec[10] = vld1q_s32(data + i + 2); + tmp_vec[11] = vld1q_s32(data + i + 3); + tmp_vec[12] = vld1q_s32(data + i + 4); + tmp_vec[13] = vld1q_s32(data + i + 5); + tmp_vec[14] = vld1q_s32(data + i + 6); + tmp_vec[15] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + } + } + else { /* order == 7 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], 0}; + + tmp_vec[0] = vld1q_s32(data - 7); + tmp_vec[1] = vld1q_s32(data - 6); + tmp_vec[2] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[3] = vld1q_s32(data + i - 4); + tmp_vec[4] = vld1q_s32(data + i - 3); + tmp_vec[5] = vld1q_s32(data + i - 2); + tmp_vec[6] = vld1q_s32(data + i - 1); + tmp_vec[7] = vld1q_s32(data + i - 0); + tmp_vec[8] = vld1q_s32(data + i + 1); + tmp_vec[9] = vld1q_s32(data + i + 2); + tmp_vec[10] = vld1q_s32(data + i + 3); + tmp_vec[11] = vld1q_s32(data + i + 4); + tmp_vec[12] = vld1q_s32(data + i + 5); + tmp_vec[13] = vld1q_s32(data + i + 6); + tmp_vec[14] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + } + } + } + else { + if(order == 6) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 6); + tmp_vec[1] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[2] = vld1q_s32(data + i - 4); + tmp_vec[3] = vld1q_s32(data + i - 3); + tmp_vec[4] = vld1q_s32(data + i - 2); + tmp_vec[5] = vld1q_s32(data + i - 1); + tmp_vec[6] = vld1q_s32(data + i - 0); + tmp_vec[7] = vld1q_s32(data + i + 1); + tmp_vec[8] = vld1q_s32(data + i + 2); + tmp_vec[9] = vld1q_s32(data + i + 3); + tmp_vec[10] = vld1q_s32(data + i + 4); + tmp_vec[11] = vld1q_s32(data + i + 5); + tmp_vec[12] = vld1q_s32(data + i + 6); + tmp_vec[13] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + } + } + else { /* order == 5 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + + tmp_vec[1] = vld1q_s32(data + i - 4); + tmp_vec[2] = vld1q_s32(data + i - 3); + tmp_vec[3] = vld1q_s32(data + i - 2); + tmp_vec[4] = vld1q_s32(data + i - 1); + tmp_vec[5] = vld1q_s32(data + i - 0); + tmp_vec[6] = vld1q_s32(data + i + 1); + tmp_vec[7] = vld1q_s32(data + i + 2); + tmp_vec[8] = vld1q_s32(data + i + 3); + tmp_vec[9] = vld1q_s32(data + i + 4); + tmp_vec[10] = vld1q_s32(data + i + 5); + tmp_vec[11] = vld1q_s32(data + i + 6); + tmp_vec[12] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 4); + tmp_vec[1] = vld1q_s32(data + i - 3); + tmp_vec[2] = vld1q_s32(data + i - 2); + tmp_vec[3] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i - 0); + tmp_vec[5] = vld1q_s32(data + i + 1); + tmp_vec[6] = vld1q_s32(data + i + 2); + tmp_vec[7] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 4); + tmp_vec[9] = vld1q_s32(data + i + 5); + tmp_vec[10] = vld1q_s32(data + i + 6); + tmp_vec[11] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + else { /* order == 3 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 3); + tmp_vec[1] = vld1q_s32(data + i - 2); + tmp_vec[2] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 1); + tmp_vec[5] = vld1q_s32(data + i + 2); + tmp_vec[6] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 5); + tmp_vec[9] = vld1q_s32(data + i + 6); + tmp_vec[10] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + } + else { + if(order == 2) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], 0, 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 2); + tmp_vec[1] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 2); + tmp_vec[5] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 6); + tmp_vec[9] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + else { /* order == 1 */ + int32x4_t qlp_coeff_0 = vdupq_n_s32(qlp_coeff[0]); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 7); + + summ_0 = vmulq_s32(tmp_vec[0], qlp_coeff_0); + summ_1 = vmulq_s32(tmp_vec[4], qlp_coeff_0); + summ_2 = vmulq_s32(tmp_vec[8], qlp_coeff_0); + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} + + + +#define MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_vec, lane) \ + summ_l_0 = vmull_laneq_s32(vget_low_s32(tmp_vec[0]),qlp_coeff_vec, lane); \ + summ_h_0 = vmull_high_laneq_s32(tmp_vec[0], qlp_coeff_vec, lane);\ + summ_l_1 = vmull_laneq_s32(vget_low_s32(tmp_vec[4]),qlp_coeff_vec, lane); \ + summ_h_1 = vmull_high_laneq_s32(tmp_vec[4], qlp_coeff_vec, lane);\ + summ_l_2 = vmull_laneq_s32(vget_low_s32(tmp_vec[8]),qlp_coeff_vec, lane);\ + summ_h_2 = vmull_high_laneq_s32(tmp_vec[8], qlp_coeff_vec, lane); + + +#define MACC_64_BIT_LOOP_UNROOL_3(tmp_vec_ind, qlp_coeff_vec, lane) \ + summ_l_0 = vmlal_laneq_s32(summ_l_0,vget_low_s32(tmp_vec[tmp_vec_ind]),qlp_coeff_vec, lane); \ + summ_h_0 = vmlal_high_laneq_s32(summ_h_0, tmp_vec[tmp_vec_ind], qlp_coeff_vec, lane); \ + summ_l_1 = vmlal_laneq_s32(summ_l_1, vget_low_s32(tmp_vec[tmp_vec_ind+4]),qlp_coeff_vec, lane); \ + summ_h_1 = vmlal_high_laneq_s32(summ_h_1, tmp_vec[tmp_vec_ind+4], qlp_coeff_vec, lane); \ + summ_l_2 = vmlal_laneq_s32(summ_l_2, vget_low_s32(tmp_vec[tmp_vec_ind+8]),qlp_coeff_vec, lane);\ + summ_h_2 = vmlal_high_laneq_s32(summ_h_2,tmp_vec[tmp_vec_ind+8], qlp_coeff_vec, lane); + +#define SHIFT_SUMS_64BITS_AND_STORE_SUB() \ + res0 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_0,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_0,lp_quantization_vec))); \ + res1 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_1,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_1,lp_quantization_vec))); \ + res2 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_2,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_2,lp_quantization_vec))); \ + vst1q_s32(residual+i+0, vsubq_s32(vld1q_s32(data+i+0), res0));\ + vst1q_s32(residual+i+4, vsubq_s32(vld1q_s32(data+i+4), res1));\ + vst1q_s32(residual+i+8, vsubq_s32(vld1q_s32(data+i+8), res2)); + +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) { + int i; + FLAC__int64 sum; + + int32x4_t tmp_vec[20]; + int32x4_t res0, res1, res2; + int64x2_t lp_quantization_vec = vdupq_n_s64(-lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + // Using prologue reads is valid as encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit(signal+order,....) + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4],qlp_coeff[5],qlp_coeff[6],qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8],qlp_coeff[9],qlp_coeff[10],qlp_coeff[11]}; + + tmp_vec[0] = vld1q_s32(data - 12); + tmp_vec[1] = vld1q_s32(data - 11); + tmp_vec[2] = vld1q_s32(data - 10); + tmp_vec[3] = vld1q_s32(data - 9); + tmp_vec[4] = vld1q_s32(data - 8); + tmp_vec[5] = vld1q_s32(data - 7); + tmp_vec[6] = vld1q_s32(data - 6); + tmp_vec[7] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[8] = vld1q_s32(data+i-4); + tmp_vec[9] = vld1q_s32(data+i-3); + tmp_vec[10] = vld1q_s32(data+i-2); + tmp_vec[11] = vld1q_s32(data+i-1); + tmp_vec[12] = vld1q_s32(data+i); + tmp_vec[13] = vld1q_s32(data+i+1); + tmp_vec[14] = vld1q_s32(data+i+2); + tmp_vec[15] = vld1q_s32(data+i+3); + tmp_vec[16] = vld1q_s32(data + i + 4); + tmp_vec[17] = vld1q_s32(data + i + 5); + tmp_vec[18] = vld1q_s32(data + i + 6); + tmp_vec[19] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(10,qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(11,qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + tmp_vec[7] = tmp_vec[19]; + } + } + else { /* order == 11 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4],qlp_coeff[5],qlp_coeff[6],qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8],qlp_coeff[9],qlp_coeff[10],0}; + + tmp_vec[0] = vld1q_s32(data - 11); + tmp_vec[1] = vld1q_s32(data - 10); + tmp_vec[2] = vld1q_s32(data - 9); + tmp_vec[3] = vld1q_s32(data - 8); + tmp_vec[4] = vld1q_s32(data - 7); + tmp_vec[5] = vld1q_s32(data - 6); + tmp_vec[6] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[7] = vld1q_s32(data+i-4); + tmp_vec[8] = vld1q_s32(data+i-3); + tmp_vec[9] = vld1q_s32(data+i-2); + tmp_vec[10] = vld1q_s32(data+i-1); + tmp_vec[11] = vld1q_s32(data+i); + tmp_vec[12] = vld1q_s32(data+i+1); + tmp_vec[13] = vld1q_s32(data+i+2); + tmp_vec[14] = vld1q_s32(data+i+3); + tmp_vec[15] = vld1q_s32(data + i + 4); + tmp_vec[16] = vld1q_s32(data + i + 5); + tmp_vec[17] = vld1q_s32(data + i + 6); + tmp_vec[18] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(10,qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + } + } + } + else + { + if (order == 10) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 10); + tmp_vec[1] = vld1q_s32(data - 9); + tmp_vec[2] = vld1q_s32(data - 8); + tmp_vec[3] = vld1q_s32(data - 7); + tmp_vec[4] = vld1q_s32(data - 6); + tmp_vec[5] = vld1q_s32(data - 5); + + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[6] = vld1q_s32(data + i - 4); + tmp_vec[7] = vld1q_s32(data + i - 3); + tmp_vec[8] = vld1q_s32(data + i - 2); + tmp_vec[9] = vld1q_s32(data + i - 1); + tmp_vec[10] = vld1q_s32(data + i - 0); + tmp_vec[11] = vld1q_s32(data + i + 1); + tmp_vec[12] = vld1q_s32(data + i + 2); + tmp_vec[13] = vld1q_s32(data + i + 3); + tmp_vec[14] = vld1q_s32(data + i + 4); + tmp_vec[15] = vld1q_s32(data + i + 5); + tmp_vec[16] = vld1q_s32(data + i + 6); + tmp_vec[17] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + } + } + + else /* order == 9 */ { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 9); + tmp_vec[1] = vld1q_s32(data - 8); + tmp_vec[2] = vld1q_s32(data - 7); + tmp_vec[3] = vld1q_s32(data - 6); + tmp_vec[4] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[5] = vld1q_s32(data + i - 4); + tmp_vec[6] = vld1q_s32(data + i - 3); + tmp_vec[7] = vld1q_s32(data + i - 2); + tmp_vec[8] = vld1q_s32(data + i - 1); + tmp_vec[9] = vld1q_s32(data + i - 0); + tmp_vec[10] = vld1q_s32(data + i + 1); + tmp_vec[11] = vld1q_s32(data + i + 2); + tmp_vec[12] = vld1q_s32(data + i + 3); + tmp_vec[13] = vld1q_s32(data + i + 4); + tmp_vec[14] = vld1q_s32(data + i + 5); + tmp_vec[15] = vld1q_s32(data + i + 6); + tmp_vec[16] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + } + } + } + } + else if (order > 4) + { + if (order > 6) + { + if (order == 8) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + + tmp_vec[0] = vld1q_s32(data - 8); + tmp_vec[1] = vld1q_s32(data - 7); + tmp_vec[2] = vld1q_s32(data - 6); + tmp_vec[3] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[4] = vld1q_s32(data + i - 4); + tmp_vec[5] = vld1q_s32(data + i - 3); + tmp_vec[6] = vld1q_s32(data + i - 2); + tmp_vec[7] = vld1q_s32(data + i - 1); + tmp_vec[8] = vld1q_s32(data + i - 0); + tmp_vec[9] = vld1q_s32(data + i + 1); + tmp_vec[10] = vld1q_s32(data + i + 2); + tmp_vec[11] = vld1q_s32(data + i + 3); + tmp_vec[12] = vld1q_s32(data + i + 4); + tmp_vec[13] = vld1q_s32(data + i + 5); + tmp_vec[14] = vld1q_s32(data + i + 6); + tmp_vec[15] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + } + } + else /* order == 7 */ + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], 0}; + + tmp_vec[0] = vld1q_s32(data - 7); + tmp_vec[1] = vld1q_s32(data - 6); + tmp_vec[2] = vld1q_s32(data - 5); + + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[3] = vld1q_s32(data +i - 4); + tmp_vec[4] = vld1q_s32(data + i - 3); + tmp_vec[5] = vld1q_s32(data + i - 2); + tmp_vec[6] = vld1q_s32(data + i - 1); + tmp_vec[7] = vld1q_s32(data + i - 0); + tmp_vec[8] = vld1q_s32(data + i + 1); + tmp_vec[9] = vld1q_s32(data + i + 2); + tmp_vec[10] = vld1q_s32(data + i + 3); + tmp_vec[11] = vld1q_s32(data + i + 4); + tmp_vec[12] = vld1q_s32(data + i + 5); + tmp_vec[13] = vld1q_s32(data + i + 6); + tmp_vec[14] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + } + } + } + else + { + if (order == 6) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 6); + tmp_vec[1] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[2] = vld1q_s32(data + i - 4); + tmp_vec[3] = vld1q_s32(data + i - 3); + tmp_vec[4] = vld1q_s32(data + i - 2); + tmp_vec[5] = vld1q_s32(data + i - 1); + tmp_vec[6] = vld1q_s32(data + i - 0); + tmp_vec[7] = vld1q_s32(data + i + 1); + tmp_vec[8] = vld1q_s32(data + i + 2); + tmp_vec[9] = vld1q_s32(data + i + 3); + tmp_vec[10] = vld1q_s32(data + i + 4); + tmp_vec[11] = vld1q_s32(data + i + 5); + tmp_vec[12] = vld1q_s32(data + i + 6); + tmp_vec[13] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + } + } + + else + { /* order == 5 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[1] = vld1q_s32(data + i - 4); + tmp_vec[2] = vld1q_s32(data + i - 3); + tmp_vec[3] = vld1q_s32(data + i - 2); + tmp_vec[4] = vld1q_s32(data + i - 1); + tmp_vec[5] = vld1q_s32(data + i - 0); + tmp_vec[6] = vld1q_s32(data + i + 1); + tmp_vec[7] = vld1q_s32(data + i + 2); + tmp_vec[8] = vld1q_s32(data + i + 3); + tmp_vec[9] = vld1q_s32(data + i + 4); + tmp_vec[10] = vld1q_s32(data + i + 5); + tmp_vec[11] = vld1q_s32(data + i + 6); + tmp_vec[12] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + } + } + } + } + else + { + if (order > 2) + { + if (order == 4) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 4); + tmp_vec[1] = vld1q_s32(data + i - 3); + tmp_vec[2] = vld1q_s32(data + i - 2); + tmp_vec[3] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i - 0); + tmp_vec[5] = vld1q_s32(data + i + 1); + tmp_vec[6] = vld1q_s32(data + i + 2); + tmp_vec[7] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 4); + tmp_vec[9] = vld1q_s32(data + i + 5); + tmp_vec[10] = vld1q_s32(data + i + 6); + tmp_vec[11] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + else + { /* order == 3 */ + + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 3); + tmp_vec[1] = vld1q_s32(data + i - 2); + tmp_vec[2] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 1); + tmp_vec[5] = vld1q_s32(data + i + 2); + tmp_vec[6] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 5); + tmp_vec[9] = vld1q_s32(data + i + 6); + tmp_vec[10] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + } + else + { + if (order == 2) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], 0, 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 2); + tmp_vec[1] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 2); + tmp_vec[5] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 6); + tmp_vec[9] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + + else + { /* order == 1 */ + + int32x2_t qlp_coeff_0_2 = vdup_n_s32(qlp_coeff[0]); + int32x4_t qlp_coeff_0_4 = vdupq_n_s32(qlp_coeff[0]); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 7); + + summ_l_0 = vmull_s32(vget_low_s32(tmp_vec[0]), qlp_coeff_0_2); + summ_h_0 = vmull_high_s32(tmp_vec[0], qlp_coeff_0_4); + + summ_l_1 = vmull_s32(vget_low_s32(tmp_vec[4]), qlp_coeff_0_2); + summ_h_1 = vmull_high_s32(tmp_vec[4], qlp_coeff_0_4); + + summ_l_2 = vmull_s32(vget_low_s32(tmp_vec[8]), qlp_coeff_0_2); + summ_h_2 = vmull_high_s32(tmp_vec[8], qlp_coeff_0_4); + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + } + } + for (; i < (int)data_len; i++) + { + sum = 0; + switch (order) + { + case 12: + sum += qlp_coeff[11] * (FLAC__int64)data[i - 12]; /* Falls through. */ + case 11: + sum += qlp_coeff[10] * (FLAC__int64)data[i - 11]; /* Falls through. */ + case 10: + sum += qlp_coeff[9] * (FLAC__int64)data[i - 10]; /* Falls through. */ + case 9: + sum += qlp_coeff[8] * (FLAC__int64)data[i - 9]; /* Falls through. */ + case 8: + sum += qlp_coeff[7] * (FLAC__int64)data[i - 8]; /* Falls through. */ + case 7: + sum += qlp_coeff[6] * (FLAC__int64)data[i - 7]; /* Falls through. */ + case 6: + sum += qlp_coeff[5] * (FLAC__int64)data[i - 6]; /* Falls through. */ + case 5: + sum += qlp_coeff[4] * (FLAC__int64)data[i - 5]; /* Falls through. */ + case 4: + sum += qlp_coeff[3] * (FLAC__int64)data[i - 4]; /* Falls through. */ + case 3: + sum += qlp_coeff[2] * (FLAC__int64)data[i - 3]; /* Falls through. */ + case 2: + sum += qlp_coeff[1] * (FLAC__int64)data[i - 2]; /* Falls through. */ + case 1: + sum += qlp_coeff[0] * (FLAC__int64)data[i - 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else + { /* order > 12 */ + for (i = 0; i < (int)data_len; i++) + { + sum = 0; + switch (order) + { + case 32: + sum += qlp_coeff[31] * (FLAC__int64)data[i - 32]; /* Falls through. */ + case 31: + sum += qlp_coeff[30] * (FLAC__int64)data[i - 31]; /* Falls through. */ + case 30: + sum += qlp_coeff[29] * (FLAC__int64)data[i - 30]; /* Falls through. */ + case 29: + sum += qlp_coeff[28] * (FLAC__int64)data[i - 29]; /* Falls through. */ + case 28: + sum += qlp_coeff[27] * (FLAC__int64)data[i - 28]; /* Falls through. */ + case 27: + sum += qlp_coeff[26] * (FLAC__int64)data[i - 27]; /* Falls through. */ + case 26: + sum += qlp_coeff[25] * (FLAC__int64)data[i - 26]; /* Falls through. */ + case 25: + sum += qlp_coeff[24] * (FLAC__int64)data[i - 25]; /* Falls through. */ + case 24: + sum += qlp_coeff[23] * (FLAC__int64)data[i - 24]; /* Falls through. */ + case 23: + sum += qlp_coeff[22] * (FLAC__int64)data[i - 23]; /* Falls through. */ + case 22: + sum += qlp_coeff[21] * (FLAC__int64)data[i - 22]; /* Falls through. */ + case 21: + sum += qlp_coeff[20] * (FLAC__int64)data[i - 21]; /* Falls through. */ + case 20: + sum += qlp_coeff[19] * (FLAC__int64)data[i - 20]; /* Falls through. */ + case 19: + sum += qlp_coeff[18] * (FLAC__int64)data[i - 19]; /* Falls through. */ + case 18: + sum += qlp_coeff[17] * (FLAC__int64)data[i - 18]; /* Falls through. */ + case 17: + sum += qlp_coeff[16] * (FLAC__int64)data[i - 17]; /* Falls through. */ + case 16: + sum += qlp_coeff[15] * (FLAC__int64)data[i - 16]; /* Falls through. */ + case 15: + sum += qlp_coeff[14] * (FLAC__int64)data[i - 15]; /* Falls through. */ + case 14: + sum += qlp_coeff[13] * (FLAC__int64)data[i - 14]; /* Falls through. */ + case 13: + sum += qlp_coeff[12] * (FLAC__int64)data[i - 13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i - 12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i - 11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i - 10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i - 9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i - 8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i - 7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i - 6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i - 5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i - 4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i - 3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i - 2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i - 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + + return; +} + +#endif /* FLAC__CPU_ARM64 && FLAC__HAS_ARCH64INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c index 811250a8..38b19486 100644 --- a/src/libFLAC/stream_encoder.c +++ b/src/libFLAC/stream_encoder.c @@ -1003,8 +1003,16 @@ static FLAC__StreamEncoderInitStatus init_stream_internal_( # endif # endif /* FLAC__HAS_X86INTRIN */ # endif /* FLAC__CPU_... */ + + #if defined FLAC__CPU_ARM64 + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon; + # endif + } # endif /* !FLAC__NO_ASM */ + #endif /* !FLAC__INTEGER_ONLY_LIBRARY */ #if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN if(encoder->private_->cpuinfo.use_asm) {