summaryrefslogtreecommitdiff
path: root/ffmpeg/libavutil/x86/float_dsp_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'ffmpeg/libavutil/x86/float_dsp_init.c')
-rw-r--r--ffmpeg/libavutil/x86/float_dsp_init.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/ffmpeg/libavutil/x86/float_dsp_init.c b/ffmpeg/libavutil/x86/float_dsp_init.c
deleted file mode 100644
index 97f7b7c..0000000
--- a/ffmpeg/libavutil/x86/float_dsp_init.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * 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;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 12:11:14 +0000