From aad3429d4e34b74e4eb0b37b17f32804e217cf02 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Mon, 10 Oct 2011 00:43:08 -0400 Subject: [PATCH] fmtconvert: port float_to_int16_interleave() 2-channel x86 inline asm to yasm --- libavcodec/x86/fmtconvert.asm | 52 +++++++++++++++++++++++++++++++ libavcodec/x86/fmtconvert_mmx.c | 69 ++++++----------------------------------- 2 files changed, 61 insertions(+), 60 deletions(-) diff --git a/libavcodec/x86/fmtconvert.asm b/libavcodec/x86/fmtconvert.asm index e3eb5d2..8549548 100644 --- a/libavcodec/x86/fmtconvert.asm +++ b/libavcodec/x86/fmtconvert.asm @@ -112,6 +112,58 @@ FLOAT_TO_INT16 3dnow, 0 %undef cvtps2pi +;------------------------------------------------------------------------------- +; void ff_float_to_int16_interleave2(int16_t *dst, const float **src, long len); +;------------------------------------------------------------------------------- +%macro FLOAT_TO_INT16_INTERLEAVE2 1 +cglobal float_to_int16_interleave2_%1, 3,4,2, dst, src0, src1, len + lea lenq, [4*r2q] + mov src1q, [src0q+gprsize] + mov src0q, [src0q] + add dstq, lenq + add src0q, lenq + add src1q, lenq + neg lenq +.loop: +%ifidn %1, sse2 + cvtps2dq m0, [src0q+lenq] + cvtps2dq m1, [src1q+lenq] + packssdw m0, m1 + movhlps m1, m0 + punpcklwd m0, m1 + mova [dstq+lenq], m0 +%else + cvtps2pi m0, [src0q+lenq ] + cvtps2pi m1, [src0q+lenq+8] + cvtps2pi m2, [src1q+lenq ] + cvtps2pi m3, [src1q+lenq+8] + packssdw m0, m1 + packssdw m2, m3 + mova m1, m0 + punpcklwd m0, m2 + punpckhwd m1, m2 + mova [dstq+lenq ], m0 + mova [dstq+lenq+8], m1 +%endif + add lenq, 16 + js .loop +%ifnidn %1, sse2 + emms +%endif + REP_RET +%endmacro + +INIT_MMX +%define cvtps2pi pf2id +FLOAT_TO_INT16_INTERLEAVE2 3dnow +%undef cvtps2pi +%define movdqa movaps +FLOAT_TO_INT16_INTERLEAVE2 sse +%undef movdqa +INIT_XMM +FLOAT_TO_INT16_INTERLEAVE2 sse2 + + %macro PSWAPD_SSE 2 pshufw %1, %2, 0x4e %endmacro diff --git a/libavcodec/x86/fmtconvert_mmx.c b/libavcodec/x86/fmtconvert_mmx.c index 86957b4..17079d3 100644 --- a/libavcodec/x86/fmtconvert_mmx.c +++ b/libavcodec/x86/fmtconvert_mmx.c @@ -35,13 +35,17 @@ void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len); void ff_float_to_int16_sse (int16_t *dst, const float *src, long len); void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len); +void ff_float_to_int16_interleave2_3dnow(int16_t *dst, const float **src, long len); +void ff_float_to_int16_interleave2_sse (int16_t *dst, const float **src, long len); +void ff_float_to_int16_interleave2_sse2 (int16_t *dst, const float **src, long len); + void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len); void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len); void ff_float_to_int16_interleave6_3dn2(int16_t *dst, const float **src, int len); #define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse -#define FLOAT_TO_INT16_INTERLEAVE(cpu, body) \ +#define FLOAT_TO_INT16_INTERLEAVE(cpu) \ /* gcc pessimizes register allocation if this is in the same function as float_to_int16_interleave_sse2*/\ static av_noinline void float_to_int16_interleave_misc_##cpu(int16_t *dst, const float **src, long len, int channels){\ DECLARE_ALIGNED(16, int16_t, tmp)[len];\ @@ -57,71 +61,16 @@ static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, lon if(channels==1)\ ff_float_to_int16_##cpu(dst, src[0], len);\ else if(channels==2){\ - x86_reg reglen = len; \ - const float *src0 = src[0];\ - const float *src1 = src[1];\ - __asm__ volatile(\ - "shl $2, %0 \n"\ - "add %0, %1 \n"\ - "add %0, %2 \n"\ - "add %0, %3 \n"\ - "neg %0 \n"\ - body\ - :"+r"(reglen), "+r"(dst), "+r"(src0), "+r"(src1)\ - );\ + ff_float_to_int16_interleave2_##cpu(dst, src, len);\ }else if(channels==6){\ ff_float_to_int16_interleave6_##cpu(dst, src, len);\ }else\ float_to_int16_interleave_misc_##cpu(dst, src, len, channels);\ } -FLOAT_TO_INT16_INTERLEAVE(3dnow, - "1: \n" - "pf2id (%2,%0), %%mm0 \n" - "pf2id 8(%2,%0), %%mm1 \n" - "pf2id (%3,%0), %%mm2 \n" - "pf2id 8(%3,%0), %%mm3 \n" - "packssdw %%mm1, %%mm0 \n" - "packssdw %%mm3, %%mm2 \n" - "movq %%mm0, %%mm1 \n" - "punpcklwd %%mm2, %%mm0 \n" - "punpckhwd %%mm2, %%mm1 \n" - "movq %%mm0, (%1,%0)\n" - "movq %%mm1, 8(%1,%0)\n" - "add $16, %0 \n" - "js 1b \n" - "femms \n" -) - -FLOAT_TO_INT16_INTERLEAVE(sse, - "1: \n" - "cvtps2pi (%2,%0), %%mm0 \n" - "cvtps2pi 8(%2,%0), %%mm1 \n" - "cvtps2pi (%3,%0), %%mm2 \n" - "cvtps2pi 8(%3,%0), %%mm3 \n" - "packssdw %%mm1, %%mm0 \n" - "packssdw %%mm3, %%mm2 \n" - "movq %%mm0, %%mm1 \n" - "punpcklwd %%mm2, %%mm0 \n" - "punpckhwd %%mm2, %%mm1 \n" - "movq %%mm0, (%1,%0)\n" - "movq %%mm1, 8(%1,%0)\n" - "add $16, %0 \n" - "js 1b \n" - "emms \n" -) - -FLOAT_TO_INT16_INTERLEAVE(sse2, - "1: \n" - "cvtps2dq (%2,%0), %%xmm0 \n" - "cvtps2dq (%3,%0), %%xmm1 \n" - "packssdw %%xmm1, %%xmm0 \n" - "movhlps %%xmm0, %%xmm1 \n" - "punpcklwd %%xmm1, %%xmm0 \n" - "movdqa %%xmm0, (%1,%0) \n" - "add $16, %0 \n" - "js 1b \n" -) +FLOAT_TO_INT16_INTERLEAVE(3dnow) +FLOAT_TO_INT16_INTERLEAVE(sse) +FLOAT_TO_INT16_INTERLEAVE(sse2) static void float_to_int16_interleave_3dn2(int16_t *dst, const float **src, long len, int channels){ if(channels==6) -- 2.7.4