diff options
| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-09-24 15:00:53 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-12-05 11:23:36 -0500 |
| commit | ac7eb4cb20ea84cfc911794722695d501b354ee9 (patch) | |
| tree | b9736adb1c0e993f0051b11cc249b67404e518f3 /libavutil/x86/float_dsp.asm | |
| parent | da025d115a1ada58081cd869e85b81a1c183ae9e (diff) | |
float_dsp: add vector_dmul_scalar() to multiply a vector of doubles
Include x86-optimized versions for SSE2 and AVX.
Diffstat (limited to 'libavutil/x86/float_dsp.asm')
| -rw-r--r-- | libavutil/x86/float_dsp.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libavutil/x86/float_dsp.asm b/libavutil/x86/float_dsp.asm index 317df9c3c1..d8fd93a625 100644 --- a/libavutil/x86/float_dsp.asm +++ b/libavutil/x86/float_dsp.asm @@ -114,3 +114,48 @@ cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len INIT_XMM sse VECTOR_FMUL_SCALAR + +;------------------------------------------------------------------------------ +; void ff_vector_dmul_scalar(double *dst, const double *src, double mul, +; int len) +;------------------------------------------------------------------------------ + +%macro VECTOR_DMUL_SCALAR 0 +%if UNIX64 +cglobal vector_dmul_scalar, 3,3,3, dst, src, len +%else +cglobal vector_dmul_scalar, 4,4,3, dst, src, mul, len +%endif +%if ARCH_X86_32 + VBROADCASTSD xmm0, mulm +%else +%if WIN64 + movlhps xmm2, xmm2 +%if cpuflag(avx) + vinsertf128 ymm2, ymm2, xmm2, 1 +%endif + SWAP 0, 2 +%else + movlhps xmm0, xmm0 +%if cpuflag(avx) + vinsertf128 ymm0, ymm0, xmm0, 1 +%endif +%endif +%endif + lea lenq, [lend*8-2*mmsize] +.loop: + mulpd m1, m0, [srcq+lenq ] + mulpd m2, m0, [srcq+lenq+mmsize] + mova [dstq+lenq ], m1 + mova [dstq+lenq+mmsize], m2 + sub lenq, 2*mmsize + jge .loop + REP_RET +%endmacro + +INIT_XMM sse2 +VECTOR_DMUL_SCALAR +%if HAVE_AVX_EXTERNAL +INIT_YMM avx +VECTOR_DMUL_SCALAR +%endif |