diff options
Diffstat (limited to 'libavcodec/x86/dsputil_yasm.asm')
| -rw-r--r-- | libavcodec/x86/dsputil_yasm.asm | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libavcodec/x86/dsputil_yasm.asm b/libavcodec/x86/dsputil_yasm.asm index 82678f1880..0e497c9cda 100644 --- a/libavcodec/x86/dsputil_yasm.asm +++ b/libavcodec/x86/dsputil_yasm.asm @@ -1129,3 +1129,51 @@ VECTOR_CLIP_INT32 11, 1, 1, 0 %else VECTOR_CLIP_INT32 6, 1, 0, 0 %endif + +;----------------------------------------------------------------------------- +; void ff_butterflies_float_interleave(float *dst, const float *src0, +; const float *src1, int len); +;----------------------------------------------------------------------------- + +%macro BUTTERFLIES_FLOAT_INTERLEAVE 0 +cglobal butterflies_float_interleave, 4,4,3, dst, src0, src1, len +%ifdef ARCH_X86_64 + movsxd lenq, lend +%endif + test lenq, lenq + jz .end + shl lenq, 2 + lea src0q, [src0q + lenq] + lea src1q, [src1q + lenq] + lea dstq, [ dstq + 2*lenq] + neg lenq +.loop: + mova m0, [src0q + lenq] + mova m1, [src1q + lenq] + subps m2, m0, m1 + addps m0, m0, m1 + unpcklps m1, m0, m2 + unpckhps m0, m0, m2 +%if cpuflag(avx) + vextractf128 [dstq + 2*lenq ], m1, 0 + vextractf128 [dstq + 2*lenq + 16], m0, 0 + vextractf128 [dstq + 2*lenq + 32], m1, 1 + vextractf128 [dstq + 2*lenq + 48], m0, 1 +%else + mova [dstq + 2*lenq ], m1 + mova [dstq + 2*lenq + mmsize], m0 +%endif + add lenq, mmsize + jl .loop +%if mmsize == 32 + vzeroupper + RET +%endif +.end: + REP_RET +%endmacro + +INIT_XMM sse +BUTTERFLIES_FLOAT_INTERLEAVE +INIT_YMM avx +BUTTERFLIES_FLOAT_INTERLEAVE |