| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| |
| #include "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/float_dsp.h" |
| #include "cpu.h" |
| #include "asm.h" |
| |
| void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, |
| int len); |
| void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, |
| int len); |
| |
| void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul, |
| int len); |
| void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, |
| int len); |
| |
| void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul, |
| int len); |
| |
| void ff_vector_dmul_scalar_sse2(double *dst, const double *src, |
| double mul, int len); |
| void ff_vector_dmul_scalar_avx(double *dst, const double *src, |
| double mul, int len); |
| |
| void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1, |
| const float *src2, int len); |
| void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1, |
| const float *src2, int len); |
| |
| void ff_vector_fmul_reverse_sse(float *dst, const float *src0, |
| const float *src1, int len); |
| void ff_vector_fmul_reverse_avx(float *dst, const float *src0, |
| const float *src1, int len); |
| |
| float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order); |
| |
| void ff_butterflies_float_sse(float *src0, float *src1, int len); |
| |
| #if HAVE_6REGS && HAVE_INLINE_ASM |
| static void vector_fmul_window_3dnowext(float *dst, const float *src0, |
| const float *src1, const float *win, |
| int len) |
| { |
| x86_reg i = -len * 4; |
| x86_reg j = len * 4 - 8; |
| __asm__ volatile ( |
| "1: \n" |
| "pswapd (%5, %1), %%mm1 \n" |
| "movq (%5, %0), %%mm0 \n" |
| "pswapd (%4, %1), %%mm5 \n" |
| "movq (%3, %0), %%mm4 \n" |
| "movq %%mm0, %%mm2 \n" |
| "movq %%mm1, %%mm3 \n" |
| "pfmul %%mm4, %%mm2 \n" // src0[len + i] * win[len + i] |
| "pfmul %%mm5, %%mm3 \n" // src1[j] * win[len + j] |
| "pfmul %%mm4, %%mm1 \n" // src0[len + i] * win[len + j] |
| "pfmul %%mm5, %%mm0 \n" // src1[j] * win[len + i] |
| "pfadd %%mm3, %%mm2 \n" |
| "pfsub %%mm0, %%mm1 \n" |
| "pswapd %%mm2, %%mm2 \n" |
| "movq %%mm1, (%2, %0) \n" |
| "movq %%mm2, (%2, %1) \n" |
| "sub $8, %1 \n" |
| "add $8, %0 \n" |
| "jl 1b \n" |
| "femms \n" |
| : "+r"(i), "+r"(j) |
| : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
| ); |
| } |
| |
| static void vector_fmul_window_sse(float *dst, const float *src0, |
| const float *src1, const float *win, int len) |
| { |
| x86_reg i = -len * 4; |
| x86_reg j = len * 4 - 16; |
| __asm__ volatile ( |
| "1: \n" |
| "movaps (%5, %1), %%xmm1 \n" |
| "movaps (%5, %0), %%xmm0 \n" |
| "movaps (%4, %1), %%xmm5 \n" |
| "movaps (%3, %0), %%xmm4 \n" |
| "shufps $0x1b, %%xmm1, %%xmm1 \n" |
| "shufps $0x1b, %%xmm5, %%xmm5 \n" |
| "movaps %%xmm0, %%xmm2 \n" |
| "movaps %%xmm1, %%xmm3 \n" |
| "mulps %%xmm4, %%xmm2 \n" // src0[len + i] * win[len + i] |
| "mulps %%xmm5, %%xmm3 \n" // src1[j] * win[len + j] |
| "mulps %%xmm4, %%xmm1 \n" // src0[len + i] * win[len + j] |
| "mulps %%xmm5, %%xmm0 \n" // src1[j] * win[len + i] |
| "addps %%xmm3, %%xmm2 \n" |
| "subps %%xmm0, %%xmm1 \n" |
| "shufps $0x1b, %%xmm2, %%xmm2 \n" |
| "movaps %%xmm1, (%2, %0) \n" |
| "movaps %%xmm2, (%2, %1) \n" |
| "sub $16, %1 \n" |
| "add $16, %0 \n" |
| "jl 1b \n" |
| : "+r"(i), "+r"(j) |
| : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
| ); |
| } |
| #endif /* HAVE_6REGS && HAVE_INLINE_ASM */ |
| |
| av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| #if HAVE_6REGS && HAVE_INLINE_ASM |
| if (INLINE_AMD3DNOWEXT(cpu_flags)) { |
| fdsp->vector_fmul_window = vector_fmul_window_3dnowext; |
| } |
| if (INLINE_SSE(cpu_flags)) { |
| fdsp->vector_fmul_window = vector_fmul_window_sse; |
| } |
| #endif |
| if (EXTERNAL_SSE(cpu_flags)) { |
| fdsp->vector_fmul = ff_vector_fmul_sse; |
| fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; |
| fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse; |
| fdsp->vector_fmul_add = ff_vector_fmul_add_sse; |
| fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse; |
| fdsp->scalarproduct_float = ff_scalarproduct_float_sse; |
| fdsp->butterflies_float = ff_butterflies_float_sse; |
| } |
| if (EXTERNAL_SSE2(cpu_flags)) { |
| fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2; |
| } |
| if (EXTERNAL_AVX(cpu_flags)) { |
| fdsp->vector_fmul = ff_vector_fmul_avx; |
| fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; |
| fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx; |
| fdsp->vector_fmul_add = ff_vector_fmul_add_avx; |
| fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx; |
| } |
| } |
