mirror of https://git.ffmpeg.org/ffmpeg.git
fmtconvert: port float_to_int16_interleave() 2-channel x86 inline asm to yasm
This commit is contained in:
Justin Ruggles
parent
4e8e262476
commit
aad3429d4e
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@ -112,6 +112,58 @@ FLOAT_TO_INT16 3dnow, 0
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%undef cvtps2pi
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;-------------------------------------------------------------------------------
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; void ff_float_to_int16_interleave2(int16_t *dst, const float **src, long len);
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;-------------------------------------------------------------------------------
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%macro FLOAT_TO_INT16_INTERLEAVE2 1
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cglobal float_to_int16_interleave2_%1, 3,4,2, dst, src0, src1, len
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lea lenq, [4*r2q]
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mov src1q, [src0q+gprsize]
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mov src0q, [src0q]
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add dstq, lenq
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add src0q, lenq
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add src1q, lenq
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neg lenq
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.loop:
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%ifidn %1, sse2
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cvtps2dq m0, [src0q+lenq]
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cvtps2dq m1, [src1q+lenq]
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packssdw m0, m1
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movhlps m1, m0
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punpcklwd m0, m1
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mova [dstq+lenq], m0
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%else
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cvtps2pi m0, [src0q+lenq ]
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cvtps2pi m1, [src0q+lenq+8]
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cvtps2pi m2, [src1q+lenq ]
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cvtps2pi m3, [src1q+lenq+8]
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packssdw m0, m1
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packssdw m2, m3
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mova m1, m0
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punpcklwd m0, m2
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punpckhwd m1, m2
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mova [dstq+lenq ], m0
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mova [dstq+lenq+8], m1
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%endif
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add lenq, 16
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js .loop
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%ifnidn %1, sse2
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emms
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%endif
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REP_RET
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%endmacro
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INIT_MMX
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%define cvtps2pi pf2id
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FLOAT_TO_INT16_INTERLEAVE2 3dnow
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%undef cvtps2pi
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%define movdqa movaps
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FLOAT_TO_INT16_INTERLEAVE2 sse
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%undef movdqa
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INIT_XMM
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FLOAT_TO_INT16_INTERLEAVE2 sse2
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%macro PSWAPD_SSE 2
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pshufw %1, %2, 0x4e
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%endmacro
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@ -35,13 +35,17 @@ void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len);
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void ff_float_to_int16_sse (int16_t *dst, const float *src, long len);
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void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len);
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void ff_float_to_int16_interleave2_3dnow(int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave2_sse (int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave2_sse2 (int16_t *dst, const float **src, long len);
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void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len);
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void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len);
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void ff_float_to_int16_interleave6_3dn2(int16_t *dst, const float **src, int len);
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#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
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#define FLOAT_TO_INT16_INTERLEAVE(cpu, body) \
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#define FLOAT_TO_INT16_INTERLEAVE(cpu) \
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/* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\
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static av_noinline void float_to_int16_interleave_misc_##cpu(int16_t *dst, const float **src, long len, int channels){\
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DECLARE_ALIGNED(16, int16_t, tmp)[len];\
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@ -57,71 +61,16 @@ static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, lon
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if(channels==1)\
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ff_float_to_int16_##cpu(dst, src[0], len);\
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else if(channels==2){\
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x86_reg reglen = len; \
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const float *src0 = src[0];\
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const float *src1 = src[1];\
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__asm__ volatile(\
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"shl $2, %0 \n"\
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"add %0, %1 \n"\
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"add %0, %2 \n"\
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"add %0, %3 \n"\
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"neg %0 \n"\
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body\
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:"+r"(reglen), "+r"(dst), "+r"(src0), "+r"(src1)\
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);\
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ff_float_to_int16_interleave2_##cpu(dst, src, len);\
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}else if(channels==6){\
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ff_float_to_int16_interleave6_##cpu(dst, src, len);\
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}else\
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float_to_int16_interleave_misc_##cpu(dst, src, len, channels);\
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}
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FLOAT_TO_INT16_INTERLEAVE(3dnow,
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"1: \n"
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"pf2id (%2,%0), %%mm0 \n"
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"pf2id 8(%2,%0), %%mm1 \n"
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"pf2id (%3,%0), %%mm2 \n"
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"pf2id 8(%3,%0), %%mm3 \n"
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"packssdw %%mm1, %%mm0 \n"
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"packssdw %%mm3, %%mm2 \n"
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"movq %%mm0, %%mm1 \n"
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"punpcklwd %%mm2, %%mm0 \n"
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"punpckhwd %%mm2, %%mm1 \n"
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"movq %%mm0, (%1,%0)\n"
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"movq %%mm1, 8(%1,%0)\n"
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"add $16, %0 \n"
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"js 1b \n"
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"femms \n"
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)
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FLOAT_TO_INT16_INTERLEAVE(sse,
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"1: \n"
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"cvtps2pi (%2,%0), %%mm0 \n"
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"cvtps2pi 8(%2,%0), %%mm1 \n"
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"cvtps2pi (%3,%0), %%mm2 \n"
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"cvtps2pi 8(%3,%0), %%mm3 \n"
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"packssdw %%mm1, %%mm0 \n"
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"packssdw %%mm3, %%mm2 \n"
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"movq %%mm0, %%mm1 \n"
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"punpcklwd %%mm2, %%mm0 \n"
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"punpckhwd %%mm2, %%mm1 \n"
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"movq %%mm0, (%1,%0)\n"
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"movq %%mm1, 8(%1,%0)\n"
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"add $16, %0 \n"
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"js 1b \n"
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"emms \n"
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)
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FLOAT_TO_INT16_INTERLEAVE(sse2,
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"1: \n"
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"cvtps2dq (%2,%0), %%xmm0 \n"
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"cvtps2dq (%3,%0), %%xmm1 \n"
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"packssdw %%xmm1, %%xmm0 \n"
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"movhlps %%xmm0, %%xmm1 \n"
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"punpcklwd %%xmm1, %%xmm0 \n"
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"movdqa %%xmm0, (%1,%0) \n"
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"add $16, %0 \n"
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"js 1b \n"
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)
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FLOAT_TO_INT16_INTERLEAVE(3dnow)
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FLOAT_TO_INT16_INTERLEAVE(sse)
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FLOAT_TO_INT16_INTERLEAVE(sse2)
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static void float_to_int16_interleave_3dn2(int16_t *dst, const float **src, long len, int channels){
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if(channels==6)
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