RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86/float_dsp: add ff_vector_dmac_scalar_{sse2,avx,fma3}

This commit is contained in:
James Almer 2017-04-10 12:17:03 -03:00
parent 128e1fbf13
commit ed9b25a148
2 changed files with 73 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
libavutil/x86/float_dsp.asm
View File

@ -148,6 +148,69 @@ cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len
INIT_XMM sse
VECTOR_FMUL_SCALAR
;------------------------------------------------------------------------------
; void ff_vector_dmac_scalar(double *dst, const double *src, double mul,
; int len)
;------------------------------------------------------------------------------
%macro VECTOR_DMAC_SCALAR 0
%if ARCH_X86_32
cglobal vector_dmac_scalar, 2,4,5, dst, src, mul, len, lenaddr
mov lenq, lenaddrm
VBROADCASTSD m0, mulm
%else
%if UNIX64
cglobal vector_dmac_scalar, 3,3,5, dst, src, len
%else
cglobal vector_dmac_scalar, 4,4,5, dst, src, mul, len
SWAP 0, 2
%endif
movlhps xm0, xm0
%if cpuflag(avx)
vinsertf128 m0, m0, xm0, 1
%endif
%endif
lea lenq, [lend*8-mmsize*4]
.loop:
%if cpuflag(fma3)
movaps m1, [dstq+lenq]
movaps m2, [dstq+lenq+1*mmsize]
movaps m3, [dstq+lenq+2*mmsize]
movaps m4, [dstq+lenq+3*mmsize]
fmaddpd m1, m0, [srcq+lenq], m1
fmaddpd m2, m0, [srcq+lenq+1*mmsize], m2
fmaddpd m3, m0, [srcq+lenq+2*mmsize], m3
fmaddpd m4, m0, [srcq+lenq+3*mmsize], m4
%else ; cpuflag
mulpd m1, m0, [srcq+lenq]
mulpd m2, m0, [srcq+lenq+1*mmsize]
mulpd m3, m0, [srcq+lenq+2*mmsize]
mulpd m4, m0, [srcq+lenq+3*mmsize]
addpd m1, m1, [dstq+lenq]
addpd m2, m2, [dstq+lenq+1*mmsize]
addpd m3, m3, [dstq+lenq+2*mmsize]
addpd m4, m4, [dstq+lenq+3*mmsize]
%endif ; cpuflag
movaps [dstq+lenq], m1
movaps [dstq+lenq+1*mmsize], m2
movaps [dstq+lenq+2*mmsize], m3
movaps [dstq+lenq+3*mmsize], m4
sub lenq, mmsize*4
jge .loop
REP_RET
%endmacro
INIT_XMM sse2
VECTOR_DMAC_SCALAR
%if HAVE_AVX_EXTERNAL
INIT_YMM avx
VECTOR_DMAC_SCALAR
%endif
%if HAVE_FMA3_EXTERNAL
INIT_YMM fma3
VECTOR_DMAC_SCALAR
%endif
;------------------------------------------------------------------------------
; void ff_vector_dmul_scalar(double *dst, const double *src, double mul,
; int len)

10
libavutil/x86/float_dsp_init.c
View File

@ -39,6 +39,13 @@ void ff_vector_fmac_scalar_fma3(float *dst, const float *src, float mul,
void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul,
int len);
void ff_vector_dmac_scalar_sse2(double *dst, const double *src, double mul,
int len);
void ff_vector_dmac_scalar_avx(double *dst, const double *src, double mul,
int len);
void ff_vector_dmac_scalar_fma3(double *dst, const double *src, double 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,
@ -83,17 +90,20 @@ av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
fdsp->butterflies_float = ff_butterflies_float_sse;
}
if (EXTERNAL_SSE2(cpu_flags)) {
fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_sse2;
fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
}
if (EXTERNAL_AVX_FAST(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_dmac_scalar = ff_vector_dmac_scalar_avx;
fdsp->vector_fmul_add = ff_vector_fmul_add_avx;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
}
if (EXTERNAL_FMA3_FAST(cpu_flags)) {
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_fma3;
fdsp->vector_fmul_add = ff_vector_fmul_add_fma3;
fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_fma3;
}
}