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-rw-r--r--libs/ffvpx/libavutil/x86/float_dsp.asm33
1 files changed, 33 insertions, 0 deletions
diff --git a/libs/ffvpx/libavutil/x86/float_dsp.asm b/libs/ffvpx/libavutil/x86/float_dsp.asm
index 06d2d2cfd..517fd6363 100644
--- a/libs/ffvpx/libavutil/x86/float_dsp.asm
+++ b/libs/ffvpx/libavutil/x86/float_dsp.asm
@@ -58,6 +58,39 @@ INIT_YMM avx
VECTOR_FMUL
%endif
+;-----------------------------------------------------------------------------
+; void vector_dmul(double *dst, const double *src0, const double *src1, int len)
+;-----------------------------------------------------------------------------
+%macro VECTOR_DMUL 0
+cglobal vector_dmul, 4,4,4, dst, src0, src1, len
+ lea lend, [lenq*8 - mmsize*4]
+ALIGN 16
+.loop:
+ movaps m0, [src0q + lenq + 0*mmsize]
+ movaps m1, [src0q + lenq + 1*mmsize]
+ movaps m2, [src0q + lenq + 2*mmsize]
+ movaps m3, [src0q + lenq + 3*mmsize]
+ mulpd m0, m0, [src1q + lenq + 0*mmsize]
+ mulpd m1, m1, [src1q + lenq + 1*mmsize]
+ mulpd m2, m2, [src1q + lenq + 2*mmsize]
+ mulpd m3, m3, [src1q + lenq + 3*mmsize]
+ movaps [dstq + lenq + 0*mmsize], m0
+ movaps [dstq + lenq + 1*mmsize], m1
+ movaps [dstq + lenq + 2*mmsize], m2
+ movaps [dstq + lenq + 3*mmsize], m3
+
+ sub lenq, mmsize*4
+ jge .loop
+ RET
+%endmacro
+
+INIT_XMM sse2
+VECTOR_DMUL
+%if HAVE_AVX_EXTERNAL
+INIT_YMM avx
+VECTOR_DMUL
+%endif
+
;------------------------------------------------------------------------------
; void ff_vector_fmac_scalar(float *dst, const float *src, float mul, int len)
;------------------------------------------------------------------------------