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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * This file is part of FFmpeg. |
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| 3 | * |
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| 4 | * FFmpeg is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * FFmpeg is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with FFmpeg; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | */ |
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| 18 | |||
| 19 | #include "config.h" |
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| 20 | |||
| 21 | #include "libavutil/attributes.h" |
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| 22 | #include "libavutil/cpu.h" |
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| 23 | #include "libavutil/float_dsp.h" |
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| 24 | #include "cpu.h" |
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| 25 | #include "asm.h" |
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| 26 | |||
| 27 | void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, |
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| 28 | int len); |
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| 29 | void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, |
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| 30 | int len); |
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| 31 | |||
| 32 | void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul, |
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| 33 | int len); |
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| 34 | void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, |
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| 35 | int len); |
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| 36 | |||
| 37 | void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul, |
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| 38 | int len); |
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| 39 | |||
| 40 | void ff_vector_dmul_scalar_sse2(double *dst, const double *src, |
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| 41 | double mul, int len); |
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| 42 | void ff_vector_dmul_scalar_avx(double *dst, const double *src, |
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| 43 | double mul, int len); |
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| 44 | |||
| 45 | void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1, |
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| 46 | const float *src2, int len); |
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| 47 | void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1, |
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| 48 | const float *src2, int len); |
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| 49 | |||
| 50 | void ff_vector_fmul_reverse_sse(float *dst, const float *src0, |
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| 51 | const float *src1, int len); |
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| 52 | void ff_vector_fmul_reverse_avx(float *dst, const float *src0, |
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| 53 | const float *src1, int len); |
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| 54 | |||
| 55 | float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order); |
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| 56 | |||
| 57 | void ff_butterflies_float_sse(float *src0, float *src1, int len); |
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| 58 | |||
| 59 | #if HAVE_6REGS && HAVE_INLINE_ASM |
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| 60 | static void vector_fmul_window_3dnowext(float *dst, const float *src0, |
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| 61 | const float *src1, const float *win, |
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| 62 | int len) |
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| 63 | { |
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| 64 | x86_reg i = -len * 4; |
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| 65 | x86_reg j = len * 4 - 8; |
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| 66 | __asm__ volatile ( |
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| 67 | "1: \n" |
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| 68 | "pswapd (%5, %1), %%mm1 \n" |
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| 69 | "movq (%5, %0), %%mm0 \n" |
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| 70 | "pswapd (%4, %1), %%mm5 \n" |
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| 71 | "movq (%3, %0), %%mm4 \n" |
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| 72 | "movq %%mm0, %%mm2 \n" |
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| 73 | "movq %%mm1, %%mm3 \n" |
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| 74 | "pfmul %%mm4, %%mm2 \n" // src0[len + i] * win[len + i] |
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| 75 | "pfmul %%mm5, %%mm3 \n" // src1[j] * win[len + j] |
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| 76 | "pfmul %%mm4, %%mm1 \n" // src0[len + i] * win[len + j] |
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| 77 | "pfmul %%mm5, %%mm0 \n" // src1[j] * win[len + i] |
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| 78 | "pfadd %%mm3, %%mm2 \n" |
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| 79 | "pfsub %%mm0, %%mm1 \n" |
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| 80 | "pswapd %%mm2, %%mm2 \n" |
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| 81 | "movq %%mm1, (%2, %0) \n" |
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| 82 | "movq %%mm2, (%2, %1) \n" |
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| 83 | "sub $8, %1 \n" |
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| 84 | "add $8, %0 \n" |
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| 85 | "jl 1b \n" |
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| 86 | "femms \n" |
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| 87 | : "+r"(i), "+r"(j) |
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| 88 | : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
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| 89 | ); |
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| 90 | } |
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| 91 | |||
| 92 | static void vector_fmul_window_sse(float *dst, const float *src0, |
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| 93 | const float *src1, const float *win, int len) |
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| 94 | { |
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| 95 | x86_reg i = -len * 4; |
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| 96 | x86_reg j = len * 4 - 16; |
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| 97 | __asm__ volatile ( |
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| 98 | "1: \n" |
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| 99 | "movaps (%5, %1), %%xmm1 \n" |
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| 100 | "movaps (%5, %0), %%xmm0 \n" |
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| 101 | "movaps (%4, %1), %%xmm5 \n" |
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| 102 | "movaps (%3, %0), %%xmm4 \n" |
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| 103 | "shufps $0x1b, %%xmm1, %%xmm1 \n" |
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| 104 | "shufps $0x1b, %%xmm5, %%xmm5 \n" |
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| 105 | "movaps %%xmm0, %%xmm2 \n" |
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| 106 | "movaps %%xmm1, %%xmm3 \n" |
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| 107 | "mulps %%xmm4, %%xmm2 \n" // src0[len + i] * win[len + i] |
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| 108 | "mulps %%xmm5, %%xmm3 \n" // src1[j] * win[len + j] |
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| 109 | "mulps %%xmm4, %%xmm1 \n" // src0[len + i] * win[len + j] |
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| 110 | "mulps %%xmm5, %%xmm0 \n" // src1[j] * win[len + i] |
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| 111 | "addps %%xmm3, %%xmm2 \n" |
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| 112 | "subps %%xmm0, %%xmm1 \n" |
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| 113 | "shufps $0x1b, %%xmm2, %%xmm2 \n" |
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| 114 | "movaps %%xmm1, (%2, %0) \n" |
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| 115 | "movaps %%xmm2, (%2, %1) \n" |
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| 116 | "sub $16, %1 \n" |
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| 117 | "add $16, %0 \n" |
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| 118 | "jl 1b \n" |
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| 119 | : "+r"(i), "+r"(j) |
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| 120 | : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
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| 121 | ); |
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| 122 | } |
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| 123 | #endif /* HAVE_6REGS && HAVE_INLINE_ASM */ |
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| 124 | |||
| 125 | av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) |
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| 126 | { |
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| 127 | int cpu_flags = av_get_cpu_flags(); |
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| 128 | |||
| 129 | #if HAVE_6REGS && HAVE_INLINE_ASM |
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| 130 | if (INLINE_AMD3DNOWEXT(cpu_flags)) { |
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| 131 | fdsp->vector_fmul_window = vector_fmul_window_3dnowext; |
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| 132 | } |
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| 133 | if (INLINE_SSE(cpu_flags)) { |
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| 134 | fdsp->vector_fmul_window = vector_fmul_window_sse; |
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| 135 | } |
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| 136 | #endif |
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| 137 | if (EXTERNAL_SSE(cpu_flags)) { |
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| 138 | fdsp->vector_fmul = ff_vector_fmul_sse; |
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| 139 | fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; |
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| 140 | fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse; |
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| 141 | fdsp->vector_fmul_add = ff_vector_fmul_add_sse; |
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| 142 | fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse; |
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| 143 | fdsp->scalarproduct_float = ff_scalarproduct_float_sse; |
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| 144 | fdsp->butterflies_float = ff_butterflies_float_sse; |
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| 145 | } |
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| 146 | if (EXTERNAL_SSE2(cpu_flags)) { |
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| 147 | fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2; |
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| 148 | } |
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| 149 | if (EXTERNAL_AVX(cpu_flags)) { |
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| 150 | fdsp->vector_fmul = ff_vector_fmul_avx; |
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| 151 | fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; |
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| 152 | fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx; |
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| 153 | fdsp->vector_fmul_add = ff_vector_fmul_add_avx; |
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| 154 | fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx; |
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| 155 | } |
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| 156 | } |