From e0c3e0738757a92c2910bac83f2ef830b428ba11 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Tue, 13 Sep 2011 09:53:42 -0700 Subject: sws: implement MMX/SSE2/SSSE3/SSE4 versions for horizontal scaling. Speed: from 3.9x to 9.6x speed improvement over C, and some small (up to 15%) speed improvements over existing MMX code (particularly for bigger filters). --- libswscale/Makefile | 1 + libswscale/x86/scale.asm | 429 ++++++++++++++++++++++++++++++++++++++ libswscale/x86/swscale_mmx.c | 86 ++++++++ libswscale/x86/swscale_template.c | 162 -------------- 4 files changed, 516 insertions(+), 162 deletions(-) create mode 100644 libswscale/x86/scale.asm (limited to 'libswscale') diff --git a/libswscale/Makefile b/libswscale/Makefile index 57e867a1b2..5671b2e1b3 100644 --- a/libswscale/Makefile +++ b/libswscale/Makefile @@ -17,6 +17,7 @@ OBJS-$(HAVE_MMX) += x86/rgb2rgb.o \ x86/swscale_mmx.o \ x86/yuv2rgb_mmx.o OBJS-$(HAVE_VIS) += sparc/yuv2rgb_vis.o +OBJS-$(HAVE_YASM) += x86/scale.o TESTPROGS = colorspace swscale diff --git a/libswscale/x86/scale.asm b/libswscale/x86/scale.asm new file mode 100644 index 0000000000..ebaab34666 --- /dev/null +++ b/libswscale/x86/scale.asm @@ -0,0 +1,429 @@ +;****************************************************************************** +;* x86-optimized horizontal line scaling functions +;* Copyright (c) 2011 Ronald S. Bultje +;* +;* This file is part of Libav. +;* +;* Libav is free software; you can redistribute it and/or +;* modify it under the terms of the GNU Lesser General Public +;* License as published by the Free Software Foundation; either +;* version 2.1 of the License, or (at your option) any later version. +;* +;* Libav is distributed in the hope that it will be useful, +;* but WITHOUT ANY WARRANTY; without even the implied warranty of +;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;* Lesser General Public License for more details. +;* +;* You should have received a copy of the GNU Lesser General Public +;* License along with Libav; if not, write to the Free Software +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "x86inc.asm" +%include "x86util.asm" + +SECTION_RODATA + +max_19bit_int: times 4 dd 0x7ffff +max_19bit_flt: times 4 dd 524287.0 +minshort: times 8 dw 0x8000 +unicoeff: times 4 dd 0x20000000 + +SECTION .text + +;----------------------------------------------------------------------------- +; horizontal line scaling +; +; void hscaleto__ +; (SwsContext *c, int{16,32}_t *dst, +; int dstW, const uint{8,16}_t *src, +; const int16_t *filter, +; const int16_t *filterPos, int filterSize); +; +; Scale one horizontal line. Input is either 8-bits width or 16-bits width +; ($source_width can be either 8, 9, 10 or 16, difference is whether we have to +; downscale before multiplying). Filter is 14-bits. Output is either 15bits +; (in int16_t) or 19bits (in int32_t), as given in $intermediate_nbits. Each +; output pixel is generated from $filterSize input pixels, the position of +; the first pixel is given in filterPos[nOutputPixel]. +;----------------------------------------------------------------------------- + +; SCALE_FUNC source_width, intermediate_nbits, filtersize, filtersuffix, opt, n_args, n_xmm +%macro SCALE_FUNC 7 +cglobal hscale%1to%2_%4_%5, %6, 7, %7 +%ifdef ARCH_X86_64 + movsxd r2, r2d +%endif ; x86-64 +%if %2 == 19 +%if mmsize == 8 ; mmx + mova m2, [max_19bit_int] +%elifidn %5, sse4 + mova m2, [max_19bit_int] +%else ; ssse3/sse2 + mova m2, [max_19bit_flt] +%endif ; mmx/sse2/ssse3/sse4 +%endif ; %2 == 19 +%if %1 == 16 + mova m6, [minshort] + mova m7, [unicoeff] +%elif %1 == 8 + pxor m3, m3 +%endif ; %1 == 8/16 + +%if %1 == 8 +%define movlh movd +%define movbh movh +%define srcmul 1 +%else ; %1 == 9-16 +%define movlh movq +%define movbh movu +%define srcmul 2 +%endif ; %1 == 8/9-16 + +%ifnidn %3, X + + ; setup loop +%if %3 == 8 + shl r2, 1 ; this allows *16 (i.e. now *8) in lea instructions for the 8-tap filter +%define r2shr 1 +%else ; %3 == 4 +%define r2shr 0 +%endif ; %3 == 8 + lea r4, [r4+r2*8] +%if %2 == 15 + lea r1, [r1+r2*(2>>r2shr)] +%else ; %2 == 19 + lea r1, [r1+r2*(4>>r2shr)] +%endif ; %2 == 15/19 + lea r5, [r5+r2*(2>>r2shr)] + neg r2 + +.loop: +%if %3 == 4 ; filterSize == 4 scaling + ; load 2x4 or 4x4 source pixels into m0/m1 + movsx r0, word [r5+r2*2+0] ; filterPos[0] + movsx r6, word [r5+r2*2+2] ; filterPos[1] + movlh m0, [r3+r0*srcmul] ; src[filterPos[0] + {0,1,2,3}] +%if mmsize == 8 + movlh m1, [r3+r6*srcmul] ; src[filterPos[1] + {0,1,2,3}] +%else ; mmsize == 16 +%if %1 > 8 + movhps m0, [r3+r6*srcmul] ; src[filterPos[1] + {0,1,2,3}] +%else ; %1 == 8 + movd m4, [r3+r6*srcmul] ; src[filterPos[1] + {0,1,2,3}] +%endif + movsx r0, word [r5+r2*2+4] ; filterPos[2] + movsx r6, word [r5+r2*2+6] ; filterPos[3] + movlh m1, [r3+r0*srcmul] ; src[filterPos[2] + {0,1,2,3}] +%if %1 > 8 + movhps m1, [r3+r6*srcmul] ; src[filterPos[3] + {0,1,2,3}] +%else ; %1 == 8 + movd m5, [r3+r6*srcmul] ; src[filterPos[3] + {0,1,2,3}] + punpckldq m0, m4 + punpckldq m1, m5 +%endif ; %1 == 8 && %5 <= ssse +%endif ; mmsize == 8/16 +%if %1 == 8 + punpcklbw m0, m3 ; byte -> word + punpcklbw m1, m3 ; byte -> word +%endif ; %1 == 8 + + ; multiply with filter coefficients +%if %1 == 16 ; pmaddwd needs signed adds, so this moves unsigned -> signed, we'll + ; add back 0x8000 * sum(coeffs) after the horizontal add + psubw m0, m6 + psubw m1, m6 +%endif ; %1 == 16 + pmaddwd m0, [r4+r2*8+mmsize*0] ; *= filter[{0,1,..,6,7}] + pmaddwd m1, [r4+r2*8+mmsize*1] ; *= filter[{8,9,..,14,15}] + + ; add up horizontally (4 srcpix * 4 coefficients -> 1 dstpix) +%if mmsize == 8 ; mmx + movq m4, m0 + punpckldq m0, m1 + punpckhdq m4, m1 + paddd m0, m4 +%elifidn %5, sse2 + mova m4, m0 + shufps m0, m1, 10001000b + shufps m4, m1, 11011101b + paddd m0, m4 +%else ; ssse3/sse4 + phaddd m0, m1 ; filter[{ 0, 1, 2, 3}]*src[filterPos[0]+{0,1,2,3}], + ; filter[{ 4, 5, 6, 7}]*src[filterPos[1]+{0,1,2,3}], + ; filter[{ 8, 9,10,11}]*src[filterPos[2]+{0,1,2,3}], + ; filter[{12,13,14,15}]*src[filterPos[3]+{0,1,2,3}] +%endif ; mmx/sse2/ssse3/sse4 +%else ; %3 == 8, i.e. filterSize == 8 scaling + ; load 2x8 or 4x8 source pixels into m0, m1, m4 and m5 + movsx r0, word [r5+r2*1+0] ; filterPos[0] + movsx r6, word [r5+r2*1+2] ; filterPos[1] + movbh m0, [r3+ r0 *srcmul] ; src[filterPos[0] + {0,1,2,3,4,5,6,7}] +%if mmsize == 8 + movbh m1, [r3+(r0+4)*srcmul] ; src[filterPos[0] + {4,5,6,7}] + movbh m4, [r3+ r6 *srcmul] ; src[filterPos[1] + {0,1,2,3}] + movbh m5, [r3+(r6+4)*srcmul] ; src[filterPos[1] + {4,5,6,7}] +%else ; mmsize == 16 + movbh m1, [r3+ r6 *srcmul] ; src[filterPos[1] + {0,1,2,3,4,5,6,7}] + movsx r0, word [r5+r2*1+4] ; filterPos[2] + movsx r6, word [r5+r2*1+6] ; filterPos[3] + movbh m4, [r3+ r0 *srcmul] ; src[filterPos[2] + {0,1,2,3,4,5,6,7}] + movbh m5, [r3+ r6 *srcmul] ; src[filterPos[3] + {0,1,2,3,4,5,6,7}] +%endif ; mmsize == 8/16 +%if %1 == 8 + punpcklbw m0, m3 ; byte -> word + punpcklbw m1, m3 ; byte -> word + punpcklbw m4, m3 ; byte -> word + punpcklbw m5, m3 ; byte -> word +%endif ; %1 == 8 + + ; multiply +%if %1 == 16 ; pmaddwd needs signed adds, so this moves unsigned -> signed, we'll + ; add back 0x8000 * sum(coeffs) after the horizontal add + psubw m0, m6 + psubw m1, m6 + psubw m4, m6 + psubw m5, m6 +%endif ; %1 == 16 + pmaddwd m0, [r4+r2*8+mmsize*0] ; *= filter[{0,1,..,6,7}] + pmaddwd m1, [r4+r2*8+mmsize*1] ; *= filter[{8,9,..,14,15}] + pmaddwd m4, [r4+r2*8+mmsize*2] ; *= filter[{16,17,..,22,23}] + pmaddwd m5, [r4+r2*8+mmsize*3] ; *= filter[{24,25,..,30,31}] + + ; add up horizontally (8 srcpix * 8 coefficients -> 1 dstpix) +%if mmsize == 8 + paddd m0, m1 + paddd m4, m5 + movq m1, m0 + punpckldq m0, m4 + punpckhdq m1, m4 + paddd m0, m1 +%elifidn %5, sse2 +%if %1 == 8 +%define mex m6 +%else +%define mex m3 +%endif + ; emulate horizontal add as transpose + vertical add + mova mex, m0 + punpckldq m0, m1 + punpckhdq mex, m1 + paddd m0, mex + mova m1, m4 + punpckldq m4, m5 + punpckhdq m1, m5 + paddd m4, m1 + mova m1, m0 + punpcklqdq m0, m4 + punpckhqdq m1, m4 + paddd m0, m1 +%else ; ssse3/sse4 + ; FIXME if we rearrange the filter in pairs of 4, we can + ; load pixels likewise and use 2 x paddd + phaddd instead + ; of 3 x phaddd here, faster on older cpus + phaddd m0, m1 + phaddd m4, m5 + phaddd m0, m4 ; filter[{ 0, 1,..., 6, 7}]*src[filterPos[0]+{0,1,...,6,7}], + ; filter[{ 8, 9,...,14,15}]*src[filterPos[1]+{0,1,...,6,7}], + ; filter[{16,17,...,22,23}]*src[filterPos[2]+{0,1,...,6,7}], + ; filter[{24,25,...,30,31}]*src[filterPos[3]+{0,1,...,6,7}] +%endif ; mmx/sse2/ssse3/sse4 +%endif ; %3 == 4/8 + +%else ; %3 == X, i.e. any filterSize scaling + +%ifidn %4, X4 +%define r6sub 4 +%else ; %4 == X || %4 == X8 +%define r6sub 0 +%endif ; %4 ==/!= X4 +%ifdef ARCH_X86_64 + push r12 + movsxd r6, r6d ; filterSize + lea r12, [r3+(r6-r6sub)*srcmul] ; &src[filterSize&~4] +%define src_reg r11 +%define r1x r10 +%define filter2 r12 +%else ; x86-32 + lea r0, [r3+(r6-r6sub)*srcmul] ; &src[filterSize&~4] + mov r6m, r0 +%define src_reg r3 +%define r1x r1 +%define filter2 r6m +%endif ; x86-32/64 + lea r5, [r5+r2*2] +%if %2 == 15 + lea r1, [r1+r2*2] +%else ; %2 == 19 + lea r1, [r1+r2*4] +%endif ; %2 == 15/19 + movifnidn r1mp, r1 + neg r2 + +.loop: + movsx r0, word [r5+r2*2+0] ; filterPos[0] + movsx r1x, word [r5+r2*2+2] ; filterPos[1] + ; FIXME maybe do 4px/iteration on x86-64 (x86-32 wouldn't have enough regs)? + pxor m4, m4 + pxor m5, m5 + mov src_reg, r3mp + +.innerloop: + ; load 2x4 (mmx) or 2x8 (sse) source pixels into m0/m1 -> m4/m5 + movbh m0, [src_reg+r0 *srcmul] ; src[filterPos[0] + {0,1,2,3(,4,5,6,7)}] + movbh m1, [src_reg+(r1x+r6sub)*srcmul] ; src[filterPos[1] + {0,1,2,3(,4,5,6,7)}] +%if %1 == 8 + punpcklbw m0, m3 + punpcklbw m1, m3 +%endif ; %1 == 8 + + ; multiply +%if %1 == 16 ; pmaddwd needs signed adds, so this moves unsigned -> signed, we'll + ; add back 0x8000 * sum(coeffs) after the horizontal add + psubw m0, m6 + psubw m1, m6 +%endif ; %1 == 16 + pmaddwd m0, [r4 ] ; filter[{0,1,2,3(,4,5,6,7)}] + pmaddwd m1, [r4+(r6+r6sub)*2] ; filter[filtersize+{0,1,2,3(,4,5,6,7)}] + paddd m4, m0 + paddd m5, m1 + add r4, mmsize + add src_reg, srcmul*mmsize/2 + cmp src_reg, filter2 ; while (src += 4) < &src[filterSize] + jl .innerloop + +%ifidn %4, X4 + movsx r1x, word [r5+r2*2+2] ; filterPos[1] + movlh m0, [src_reg+r0 *srcmul] ; split last 4 srcpx of dstpx[0] + sub r1x, r6 ; and first 4 srcpx of dstpx[1] +%if %1 > 8 + movhps m0, [src_reg+(r1x+r6sub)*srcmul] +%else ; %1 == 8 + movd m1, [src_reg+(r1x+r6sub)*srcmul] + punpckldq m0, m1 +%endif ; %1 == 8 && %5 <= ssse +%if %1 == 8 + punpcklbw m0, m3 +%endif ; %1 == 8 +%if %1 == 16 ; pmaddwd needs signed adds, so this moves unsigned -> signed, we'll + ; add back 0x8000 * sum(coeffs) after the horizontal add + psubw m0, m6 +%endif ; %1 == 16 + pmaddwd m0, [r4] +%endif ; %4 == X4 + + lea r4, [r4+(r6+r6sub)*2] + +%if mmsize == 8 ; mmx + movq m0, m4 + punpckldq m4, m5 + punpckhdq m0, m5 + paddd m0, m4 +%else ; mmsize == 16 +%ifidn %5, sse2 + mova m1, m4 + punpcklqdq m4, m5 + punpckhqdq m1, m5 + paddd m4, m1 +%else ; ssse3/sse4 + phaddd m4, m5 +%endif ; sse2/ssse3/sse4 +%ifidn %4, X4 + paddd m4, m0 +%endif ; %3 == X4 +%ifidn %5, sse2 + pshufd m4, m4, 11011000b + movhlps m0, m4 + paddd m0, m4 +%else ; ssse3/sse4 + phaddd m4, m4 + SWAP 0, 4 +%endif ; sse2/ssse3/sse4 +%endif ; mmsize == 8/16 +%endif ; %3 ==/!= X + +%if %1 == 16 ; add 0x8000 * sum(coeffs), i.e. back from signed -> unsigned + paddd m0, m7 +%endif ; %1 == 16 + + ; clip, store + psrad m0, 14 + %1 - %2 +%ifidn %3, X + movifnidn r1, r1mp +%endif ; %3 == X +%if %2 == 15 + packssdw m0, m0 +%ifnidn %3, X + movh [r1+r2*(2>>r2shr)], m0 +%else ; %3 == X + movd [r1+r2*2], m0 +%endif ; %3 ==/!= X +%else ; %2 == 19 +%if mmsize == 8 + PMINSD_MMX m0, m2, m4 +%elifidn %5, sse4 + pminsd m0, m2 +%else ; sse2/ssse3 + cvtdq2ps m0, m0 + minps m0, m2 + cvtps2dq m0, m0 +%endif ; mmx/sse2/ssse3/sse4 +%ifnidn %3, X + movu [r1+r2*(4>>r2shr)], m0 +%else ; %3 == X + movq [r1+r2*4], m0 +%endif ; %3 ==/!= X +%endif ; %2 == 15/19 +%ifnidn %3, X + add r2, (mmsize<srcBpc == 8) { \ + hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \ + ff_hscale8to19_ ## filtersize ## _ ## opt1; \ + } else if (c->srcBpc == 9) { \ + hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \ + ff_hscale9to19_ ## filtersize ## _ ## opt1; \ + } else if (c->srcBpc == 10) { \ + hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \ + ff_hscale10to19_ ## filtersize ## _ ## opt1; \ + } else /* c->srcBpc == 16 */ { \ + hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \ + ff_hscale16to19_ ## filtersize ## _ ## opt1; \ + } \ +} while (0) +#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \ + switch (filtersize) { \ + case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \ + case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \ + default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \ + } +#if ARCH_X86_32 + if (cpu_flags & AV_CPU_FLAG_MMX) { + ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx); + ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx); + } +#endif +#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \ + switch (filtersize) { \ + case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \ + case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \ + default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \ + else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \ + break; \ + } + if (cpu_flags & AV_CPU_FLAG_SSE2) { + ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2); + ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2); + } + if (cpu_flags & AV_CPU_FLAG_SSSE3) { + ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3); + ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3); + } + if (cpu_flags & AV_CPU_FLAG_SSE4) { + /* Xto15 don't need special sse4 functions */ + ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3); + ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3); + } +#endif } diff --git a/libswscale/x86/swscale_template.c b/libswscale/x86/swscale_template.c index 705c62333c..50e4e4a022 100644 --- a/libswscale/x86/swscale_template.c +++ b/libswscale/x86/swscale_template.c @@ -1958,164 +1958,6 @@ static void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24); } -#if !COMPILE_TEMPLATE_MMX2 -// bilinear / bicubic scaling -static void RENAME(hScale)(SwsContext *c, int16_t *dst, int dstW, - const uint8_t *src, const int16_t *filter, - const int16_t *filterPos, int filterSize) -{ - assert(filterSize % 4 == 0 && filterSize>0); - if (filterSize==4) { // Always true for upscaling, sometimes for down, too. - x86_reg counter= -2*dstW; - filter-= counter*2; - filterPos-= counter/2; - dst-= counter/2; - __asm__ volatile( -#if defined(PIC) - "push %%"REG_b" \n\t" -#endif - "pxor %%mm7, %%mm7 \n\t" - "push %%"REG_BP" \n\t" // we use 7 regs here ... - "mov %%"REG_a", %%"REG_BP" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movzwl (%2, %%"REG_BP"), %%eax \n\t" - "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t" - "movq (%1, %%"REG_BP", 4), %%mm1 \n\t" - "movq 8(%1, %%"REG_BP", 4), %%mm3 \n\t" - "movd (%3, %%"REG_a"), %%mm0 \n\t" - "movd (%3, %%"REG_b"), %%mm2 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "punpcklbw %%mm7, %%mm2 \n\t" - "pmaddwd %%mm1, %%mm0 \n\t" - "pmaddwd %%mm2, %%mm3 \n\t" - "movq %%mm0, %%mm4 \n\t" - "punpckldq %%mm3, %%mm0 \n\t" - "punpckhdq %%mm3, %%mm4 \n\t" - "paddd %%mm4, %%mm0 \n\t" - "psrad $7, %%mm0 \n\t" - "packssdw %%mm0, %%mm0 \n\t" - "movd %%mm0, (%4, %%"REG_BP") \n\t" - "add $4, %%"REG_BP" \n\t" - " jnc 1b \n\t" - - "pop %%"REG_BP" \n\t" -#if defined(PIC) - "pop %%"REG_b" \n\t" -#endif - : "+a" (counter) - : "c" (filter), "d" (filterPos), "S" (src), "D" (dst) -#if !defined(PIC) - : "%"REG_b -#endif - ); - } else if (filterSize==8) { - x86_reg counter= -2*dstW; - filter-= counter*4; - filterPos-= counter/2; - dst-= counter/2; - __asm__ volatile( -#if defined(PIC) - "push %%"REG_b" \n\t" -#endif - "pxor %%mm7, %%mm7 \n\t" - "push %%"REG_BP" \n\t" // we use 7 regs here ... - "mov %%"REG_a", %%"REG_BP" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movzwl (%2, %%"REG_BP"), %%eax \n\t" - "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t" - "movq (%1, %%"REG_BP", 8), %%mm1 \n\t" - "movq 16(%1, %%"REG_BP", 8), %%mm3 \n\t" - "movd (%3, %%"REG_a"), %%mm0 \n\t" - "movd (%3, %%"REG_b"), %%mm2 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "punpcklbw %%mm7, %%mm2 \n\t" - "pmaddwd %%mm1, %%mm0 \n\t" - "pmaddwd %%mm2, %%mm3 \n\t" - - "movq 8(%1, %%"REG_BP", 8), %%mm1 \n\t" - "movq 24(%1, %%"REG_BP", 8), %%mm5 \n\t" - "movd 4(%3, %%"REG_a"), %%mm4 \n\t" - "movd 4(%3, %%"REG_b"), %%mm2 \n\t" - "punpcklbw %%mm7, %%mm4 \n\t" - "punpcklbw %%mm7, %%mm2 \n\t" - "pmaddwd %%mm1, %%mm4 \n\t" - "pmaddwd %%mm2, %%mm5 \n\t" - "paddd %%mm4, %%mm0 \n\t" - "paddd %%mm5, %%mm3 \n\t" - "movq %%mm0, %%mm4 \n\t" - "punpckldq %%mm3, %%mm0 \n\t" - "punpckhdq %%mm3, %%mm4 \n\t" - "paddd %%mm4, %%mm0 \n\t" - "psrad $7, %%mm0 \n\t" - "packssdw %%mm0, %%mm0 \n\t" - "movd %%mm0, (%4, %%"REG_BP") \n\t" - "add $4, %%"REG_BP" \n\t" - " jnc 1b \n\t" - - "pop %%"REG_BP" \n\t" -#if defined(PIC) - "pop %%"REG_b" \n\t" -#endif - : "+a" (counter) - : "c" (filter), "d" (filterPos), "S" (src), "D" (dst) -#if !defined(PIC) - : "%"REG_b -#endif - ); - } else { - const uint8_t *offset = src+filterSize; - x86_reg counter= -2*dstW; - //filter-= counter*filterSize/2; - filterPos-= counter/2; - dst-= counter/2; - __asm__ volatile( - "pxor %%mm7, %%mm7 \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "mov %2, %%"REG_c" \n\t" - "movzwl (%%"REG_c", %0), %%eax \n\t" - "movzwl 2(%%"REG_c", %0), %%edx \n\t" - "mov %5, %%"REG_c" \n\t" - "pxor %%mm4, %%mm4 \n\t" - "pxor %%mm5, %%mm5 \n\t" - "2: \n\t" - "movq (%1), %%mm1 \n\t" - "movq (%1, %6), %%mm3 \n\t" - "movd (%%"REG_c", %%"REG_a"), %%mm0 \n\t" - "movd (%%"REG_c", %%"REG_d"), %%mm2 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "punpcklbw %%mm7, %%mm2 \n\t" - "pmaddwd %%mm1, %%mm0 \n\t" - "pmaddwd %%mm2, %%mm3 \n\t" - "paddd %%mm3, %%mm5 \n\t" - "paddd %%mm0, %%mm4 \n\t" - "add $8, %1 \n\t" - "add $4, %%"REG_c" \n\t" - "cmp %4, %%"REG_c" \n\t" - " jb 2b \n\t" - "add %6, %1 \n\t" - "movq %%mm4, %%mm0 \n\t" - "punpckldq %%mm5, %%mm4 \n\t" - "punpckhdq %%mm5, %%mm0 \n\t" - "paddd %%mm0, %%mm4 \n\t" - "psrad $7, %%mm4 \n\t" - "packssdw %%mm4, %%mm4 \n\t" - "mov %3, %%"REG_a" \n\t" - "movd %%mm4, (%%"REG_a", %0) \n\t" - "add $4, %0 \n\t" - " jnc 1b \n\t" - - : "+r" (counter), "+r" (filter) - : "m" (filterPos), "m" (dst), "m"(offset), - "m" (src), "r" ((x86_reg)filterSize*2) - : "%"REG_a, "%"REG_c, "%"REG_d - ); - } -} -#endif /* !COMPILE_TEMPLATE_MMX2 */ - #if COMPILE_TEMPLATE_MMX2 static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, @@ -2317,10 +2159,6 @@ static av_cold void RENAME(sws_init_swScale)(SwsContext *c) } if (c->srcBpc == 8 && c->dstBpc <= 10) { -#if !COMPILE_TEMPLATE_MMX2 - c->hyScale = c->hcScale = RENAME(hScale ); -#endif /* !COMPILE_TEMPLATE_MMX2 */ - // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one). #if COMPILE_TEMPLATE_MMX2 if (c->flags & SWS_FAST_BILINEAR && c->canMMX2BeUsed) -- cgit v1.2.3