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x86/float_dsp: port vector_fmul_window to yasm

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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer 2014-06-08 04:05:16 -03:00 • committed by Michael Niedermayer
parent d4be3a8d63
commit dcaf9660b6
2 changed files with 63 additions and 73 deletions
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81
libavutil/x86/float_dsp_init.c
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@ -44,6 +44,11 @@ void ff_vector_dmul_scalar_sse2(double *dst, const double *src,
void ff_vector_dmul_scalar_avx(double *dst, const double *src,
double mul, int len);
void ff_vector_fmul_window_3dnowext(float *dst, const float *src0,
const float *src1, const float *win, int len);
void ff_vector_fmul_window_sse(float *dst, const float *src0,
const float *src1, const float *win, 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,
@ -60,88 +65,18 @@ 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 (EXTERNAL_AMD3DNOWEXT(cpu_flags)) {
fdsp->vector_fmul_window = ff_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_window = ff_vector_fmul_window_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;