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288 lines
7.8 KiB
288 lines
7.8 KiB
;***************************************************************************** |
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;* x86-optimized Float DSP functions |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* Libav is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with Libav; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "x86util.asm" |
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SECTION .text |
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;----------------------------------------------------------------------------- |
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; void vector_fmul(float *dst, const float *src0, const float *src1, int len) |
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;----------------------------------------------------------------------------- |
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%macro VECTOR_FMUL 0 |
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cglobal vector_fmul, 4,4,2, dst, src0, src1, len |
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lea lenq, [lend*4 - 64] |
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ALIGN 16 |
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.loop: |
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%assign a 0 |
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%rep 32/mmsize |
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mova m0, [src0q + lenq + (a+0)*mmsize] |
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mova m1, [src0q + lenq + (a+1)*mmsize] |
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mulps m0, m0, [src1q + lenq + (a+0)*mmsize] |
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mulps m1, m1, [src1q + lenq + (a+1)*mmsize] |
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mova [dstq + lenq + (a+0)*mmsize], m0 |
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mova [dstq + lenq + (a+1)*mmsize], m1 |
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%assign a a+2 |
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%endrep |
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sub lenq, 64 |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMUL |
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INIT_YMM avx |
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VECTOR_FMUL |
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;------------------------------------------------------------------------------ |
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; void ff_vector_fmac_scalar(float *dst, const float *src, float mul, int len) |
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;------------------------------------------------------------------------------ |
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%macro VECTOR_FMAC_SCALAR 0 |
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%if UNIX64 |
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cglobal vector_fmac_scalar, 3,3,3, dst, src, len |
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%else |
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cglobal vector_fmac_scalar, 4,4,3, dst, src, mul, len |
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%endif |
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%if ARCH_X86_32 |
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VBROADCASTSS m0, mulm |
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%else |
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%if WIN64 |
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mova xmm0, xmm2 |
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%endif |
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shufps xmm0, xmm0, 0 |
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%if cpuflag(avx) |
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vinsertf128 m0, m0, xmm0, 1 |
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%endif |
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%endif |
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lea lenq, [lend*4-64] |
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.loop: |
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%assign a 0 |
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%rep 32/mmsize |
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mulps m1, m0, [srcq+lenq+(a+0)*mmsize] |
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mulps m2, m0, [srcq+lenq+(a+1)*mmsize] |
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addps m1, m1, [dstq+lenq+(a+0)*mmsize] |
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addps m2, m2, [dstq+lenq+(a+1)*mmsize] |
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mova [dstq+lenq+(a+0)*mmsize], m1 |
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mova [dstq+lenq+(a+1)*mmsize], m2 |
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%assign a a+2 |
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%endrep |
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sub lenq, 64 |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMAC_SCALAR |
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INIT_YMM avx |
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VECTOR_FMAC_SCALAR |
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;------------------------------------------------------------------------------ |
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; void ff_vector_fmul_scalar(float *dst, const float *src, float mul, int len) |
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;------------------------------------------------------------------------------ |
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%macro VECTOR_FMUL_SCALAR 0 |
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%if UNIX64 |
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cglobal vector_fmul_scalar, 3,3,2, dst, src, len |
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%else |
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cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len |
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%endif |
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%if ARCH_X86_32 |
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movss m0, mulm |
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%elif WIN64 |
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SWAP 0, 2 |
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%endif |
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shufps m0, m0, 0 |
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lea lenq, [lend*4-mmsize] |
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.loop: |
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mova m1, [srcq+lenq] |
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mulps m1, m0 |
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mova [dstq+lenq], m1 |
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sub lenq, mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMUL_SCALAR |
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;------------------------------------------------------------------------------ |
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; void ff_vector_dmul_scalar(double *dst, const double *src, double mul, |
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; int len) |
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;------------------------------------------------------------------------------ |
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%macro VECTOR_DMUL_SCALAR 0 |
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%if ARCH_X86_32 |
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cglobal vector_dmul_scalar, 3,4,3, dst, src, mul, len, lenaddr |
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mov lenq, lenaddrm |
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%elif UNIX64 |
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cglobal vector_dmul_scalar, 3,3,3, dst, src, len |
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%else |
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cglobal vector_dmul_scalar, 4,4,3, dst, src, mul, len |
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%endif |
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%if ARCH_X86_32 |
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VBROADCASTSD m0, mulm |
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%else |
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%if WIN64 |
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movlhps xmm2, xmm2 |
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%if cpuflag(avx) |
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vinsertf128 ymm2, ymm2, xmm2, 1 |
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%endif |
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SWAP 0, 2 |
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%else |
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movlhps xmm0, xmm0 |
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%if cpuflag(avx) |
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vinsertf128 ymm0, ymm0, xmm0, 1 |
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%endif |
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%endif |
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%endif |
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lea lenq, [lend*8-2*mmsize] |
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.loop: |
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mulpd m1, m0, [srcq+lenq ] |
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mulpd m2, m0, [srcq+lenq+mmsize] |
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mova [dstq+lenq ], m1 |
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mova [dstq+lenq+mmsize], m2 |
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sub lenq, 2*mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse2 |
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VECTOR_DMUL_SCALAR |
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%if HAVE_AVX_EXTERNAL |
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INIT_YMM avx |
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VECTOR_DMUL_SCALAR |
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%endif |
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;----------------------------------------------------------------------------- |
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; vector_fmul_add(float *dst, const float *src0, const float *src1, |
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; const float *src2, int len) |
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;----------------------------------------------------------------------------- |
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%macro VECTOR_FMUL_ADD 0 |
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cglobal vector_fmul_add, 5,5,2, dst, src0, src1, src2, len |
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lea lenq, [lend*4 - 2*mmsize] |
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ALIGN 16 |
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.loop: |
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mova m0, [src0q + lenq] |
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mova m1, [src0q + lenq + mmsize] |
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mulps m0, m0, [src1q + lenq] |
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mulps m1, m1, [src1q + lenq + mmsize] |
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addps m0, m0, [src2q + lenq] |
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addps m1, m1, [src2q + lenq + mmsize] |
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mova [dstq + lenq], m0 |
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mova [dstq + lenq + mmsize], m1 |
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sub lenq, 2*mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMUL_ADD |
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INIT_YMM avx |
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VECTOR_FMUL_ADD |
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;----------------------------------------------------------------------------- |
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; void vector_fmul_reverse(float *dst, const float *src0, const float *src1, |
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; int len) |
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;----------------------------------------------------------------------------- |
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%macro VECTOR_FMUL_REVERSE 0 |
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cglobal vector_fmul_reverse, 4,4,2, dst, src0, src1, len |
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lea lenq, [lend*4 - 2*mmsize] |
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ALIGN 16 |
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.loop: |
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%if cpuflag(avx) |
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vmovaps xmm0, [src1q + 16] |
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vinsertf128 m0, m0, [src1q], 1 |
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vshufps m0, m0, m0, q0123 |
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vmovaps xmm1, [src1q + mmsize + 16] |
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vinsertf128 m1, m1, [src1q + mmsize], 1 |
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vshufps m1, m1, m1, q0123 |
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%else |
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mova m0, [src1q] |
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mova m1, [src1q + mmsize] |
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shufps m0, m0, q0123 |
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shufps m1, m1, q0123 |
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%endif |
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mulps m0, m0, [src0q + lenq + mmsize] |
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mulps m1, m1, [src0q + lenq] |
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mova [dstq + lenq + mmsize], m0 |
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mova [dstq + lenq], m1 |
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add src1q, 2*mmsize |
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sub lenq, 2*mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMUL_REVERSE |
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INIT_YMM avx |
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VECTOR_FMUL_REVERSE |
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; float scalarproduct_float_sse(const float *v1, const float *v2, int len) |
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INIT_XMM sse |
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cglobal scalarproduct_float, 3,3,2, v1, v2, offset |
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neg offsetq |
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shl offsetq, 2 |
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sub v1q, offsetq |
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sub v2q, offsetq |
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xorps xmm0, xmm0 |
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.loop: |
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movaps xmm1, [v1q+offsetq] |
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mulps xmm1, [v2q+offsetq] |
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addps xmm0, xmm1 |
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add offsetq, 16 |
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js .loop |
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movhlps xmm1, xmm0 |
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addps xmm0, xmm1 |
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movss xmm1, xmm0 |
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shufps xmm0, xmm0, 1 |
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addss xmm0, xmm1 |
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%if ARCH_X86_64 == 0 |
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movss r0m, xmm0 |
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fld dword r0m |
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%endif |
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RET |
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;----------------------------------------------------------------------------- |
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; void ff_butterflies_float(float *src0, float *src1, int len); |
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;----------------------------------------------------------------------------- |
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INIT_XMM sse |
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cglobal butterflies_float, 3,3,3, src0, src1, len |
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%if ARCH_X86_64 |
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movsxd lenq, lend |
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%endif |
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test lenq, lenq |
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jz .end |
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shl lenq, 2 |
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lea src0q, [src0q + lenq] |
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lea src1q, [src1q + lenq] |
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neg lenq |
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.loop: |
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mova m0, [src0q + lenq] |
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mova m1, [src1q + lenq] |
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subps m2, m0, m1 |
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addps m0, m0, m1 |
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mova [src1q + lenq], m2 |
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mova [src0q + lenq], m0 |
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add lenq, mmsize |
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jl .loop |
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.end: |
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REP_RET
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