| /* |
| * MMX optimized forward DCT |
| * The gcc porting is Copyright (c) 2001 Fabrice Bellard. |
| * cleanup/optimizations are Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| * SSE2 optimization is Copyright (c) 2004 Denes Balatoni. |
| * |
| * from fdctam32.c - AP922 MMX(3D-Now) forward-DCT |
| * |
| * Intel Application Note AP-922 - fast, precise implementation of DCT |
| * http://developer.intel.com/vtune/cbts/appnotes.htm |
| * |
| * Also of inspiration: |
| * a page about fdct at http://www.geocities.com/ssavekar/dct.htm |
| * Skal's fdct at http://skal.planet-d.net/coding/dct.html |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/common.h" |
| #include "libavcodec/dsputil.h" |
| |
| #define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align))) |
| |
| ////////////////////////////////////////////////////////////////////// |
| // |
| // constants for the forward DCT |
| // ----------------------------- |
| // |
| // Be sure to check that your compiler is aligning all constants to QWORD |
| // (8-byte) memory boundaries! Otherwise the unaligned memory access will |
| // severely stall MMX execution. |
| // |
| ////////////////////////////////////////////////////////////////////// |
| |
| #define BITS_FRW_ACC 3 //; 2 or 3 for accuracy |
| #define SHIFT_FRW_COL BITS_FRW_ACC |
| #define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3) |
| #define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) |
| //#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) |
| |
| #define X8(x) x,x,x,x,x,x,x,x |
| |
| //concatenated table, for forward DCT transformation |
| static const int16_t fdct_tg_all_16[24] ATTR_ALIGN(16) = { |
| X8(13036), // tg * (2<<16) + 0.5 |
| X8(27146), // tg * (2<<16) + 0.5 |
| X8(-21746) // tg * (2<<16) + 0.5 |
| }; |
| |
| static const int16_t ocos_4_16[8] ATTR_ALIGN(16) = { |
| X8(23170) //cos * (2<<15) + 0.5 |
| }; |
| |
| static const int16_t fdct_one_corr[8] ATTR_ALIGN(16) = { X8(1) }; |
| |
| static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW }; |
| |
| static struct |
| { |
| const int32_t fdct_r_row_sse2[4] ATTR_ALIGN(16); |
| } fdct_r_row_sse2 ATTR_ALIGN(16)= |
| {{ |
| RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW |
| }}; |
| //static const long fdct_r_row_sse2[4] ATTR_ALIGN(16) = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW}; |
| |
| static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table |
| 16384, 16384, 22725, 19266, |
| 16384, 16384, 12873, 4520, |
| 21407, 8867, 19266, -4520, |
| -8867, -21407, -22725, -12873, |
| 16384, -16384, 12873, -22725, |
| -16384, 16384, 4520, 19266, |
| 8867, -21407, 4520, -12873, |
| 21407, -8867, 19266, -22725, |
| |
| 22725, 22725, 31521, 26722, |
| 22725, 22725, 17855, 6270, |
| 29692, 12299, 26722, -6270, |
| -12299, -29692, -31521, -17855, |
| 22725, -22725, 17855, -31521, |
| -22725, 22725, 6270, 26722, |
| 12299, -29692, 6270, -17855, |
| 29692, -12299, 26722, -31521, |
| |
| 21407, 21407, 29692, 25172, |
| 21407, 21407, 16819, 5906, |
| 27969, 11585, 25172, -5906, |
| -11585, -27969, -29692, -16819, |
| 21407, -21407, 16819, -29692, |
| -21407, 21407, 5906, 25172, |
| 11585, -27969, 5906, -16819, |
| 27969, -11585, 25172, -29692, |
| |
| 19266, 19266, 26722, 22654, |
| 19266, 19266, 15137, 5315, |
| 25172, 10426, 22654, -5315, |
| -10426, -25172, -26722, -15137, |
| 19266, -19266, 15137, -26722, |
| -19266, 19266, 5315, 22654, |
| 10426, -25172, 5315, -15137, |
| 25172, -10426, 22654, -26722, |
| |
| 16384, 16384, 22725, 19266, |
| 16384, 16384, 12873, 4520, |
| 21407, 8867, 19266, -4520, |
| -8867, -21407, -22725, -12873, |
| 16384, -16384, 12873, -22725, |
| -16384, 16384, 4520, 19266, |
| 8867, -21407, 4520, -12873, |
| 21407, -8867, 19266, -22725, |
| |
| 19266, 19266, 26722, 22654, |
| 19266, 19266, 15137, 5315, |
| 25172, 10426, 22654, -5315, |
| -10426, -25172, -26722, -15137, |
| 19266, -19266, 15137, -26722, |
| -19266, 19266, 5315, 22654, |
| 10426, -25172, 5315, -15137, |
| 25172, -10426, 22654, -26722, |
| |
| 21407, 21407, 29692, 25172, |
| 21407, 21407, 16819, 5906, |
| 27969, 11585, 25172, -5906, |
| -11585, -27969, -29692, -16819, |
| 21407, -21407, 16819, -29692, |
| -21407, 21407, 5906, 25172, |
| 11585, -27969, 5906, -16819, |
| 27969, -11585, 25172, -29692, |
| |
| 22725, 22725, 31521, 26722, |
| 22725, 22725, 17855, 6270, |
| 29692, 12299, 26722, -6270, |
| -12299, -29692, -31521, -17855, |
| 22725, -22725, 17855, -31521, |
| -22725, 22725, 6270, 26722, |
| 12299, -29692, 6270, -17855, |
| 29692, -12299, 26722, -31521, |
| }; |
| |
| static struct |
| { |
| const int16_t tab_frw_01234567_sse2[256] ATTR_ALIGN(16); |
| } tab_frw_01234567_sse2 ATTR_ALIGN(16) = |
| {{ |
| //static const int16_t tab_frw_01234567_sse2[] ATTR_ALIGN(16) = { // forward_dct coeff table |
| #define TABLE_SSE2 C4, C4, C1, C3, -C6, -C2, -C1, -C5, \ |
| C4, C4, C5, C7, C2, C6, C3, -C7, \ |
| -C4, C4, C7, C3, C6, -C2, C7, -C5, \ |
| C4, -C4, C5, -C1, C2, -C6, C3, -C1, |
| // c1..c7 * cos(pi/4) * 2^15 |
| #define C1 22725 |
| #define C2 21407 |
| #define C3 19266 |
| #define C4 16384 |
| #define C5 12873 |
| #define C6 8867 |
| #define C7 4520 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 31521 |
| #define C2 29692 |
| #define C3 26722 |
| #define C4 22725 |
| #define C5 17855 |
| #define C6 12299 |
| #define C7 6270 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 29692 |
| #define C2 27969 |
| #define C3 25172 |
| #define C4 21407 |
| #define C5 16819 |
| #define C6 11585 |
| #define C7 5906 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 26722 |
| #define C2 25172 |
| #define C3 22654 |
| #define C4 19266 |
| #define C5 15137 |
| #define C6 10426 |
| #define C7 5315 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 22725 |
| #define C2 21407 |
| #define C3 19266 |
| #define C4 16384 |
| #define C5 12873 |
| #define C6 8867 |
| #define C7 4520 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 26722 |
| #define C2 25172 |
| #define C3 22654 |
| #define C4 19266 |
| #define C5 15137 |
| #define C6 10426 |
| #define C7 5315 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 29692 |
| #define C2 27969 |
| #define C3 25172 |
| #define C4 21407 |
| #define C5 16819 |
| #define C6 11585 |
| #define C7 5906 |
| TABLE_SSE2 |
| |
| #undef C1 |
| #undef C2 |
| #undef C3 |
| #undef C4 |
| #undef C5 |
| #undef C6 |
| #undef C7 |
| #define C1 31521 |
| #define C2 29692 |
| #define C3 26722 |
| #define C4 22725 |
| #define C5 17855 |
| #define C6 12299 |
| #define C7 6270 |
| TABLE_SSE2 |
| }}; |
| |
| #define S(s) AV_TOSTRING(s) //AV_STRINGIFY is too long |
| |
| #define FDCT_COL(cpu, mm, mov)\ |
| static av_always_inline void fdct_col_##cpu(const int16_t *in, int16_t *out, int offset)\ |
| {\ |
| __asm__ volatile (\ |
| #mov" 16(%0), %%"#mm"0 \n\t" \ |
| #mov" 96(%0), %%"#mm"1 \n\t" \ |
| #mov" %%"#mm"0, %%"#mm"2 \n\t" \ |
| #mov" 32(%0), %%"#mm"3 \n\t" \ |
| "paddsw %%"#mm"1, %%"#mm"0 \n\t" \ |
| #mov" 80(%0), %%"#mm"4 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"0 \n\t" \ |
| #mov" (%0), %%"#mm"5 \n\t" \ |
| "paddsw %%"#mm"3, %%"#mm"4 \n\t" \ |
| "paddsw 112(%0), %%"#mm"5 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"4 \n\t" \ |
| #mov" %%"#mm"0, %%"#mm"6 \n\t" \ |
| "psubsw %%"#mm"1, %%"#mm"2 \n\t" \ |
| #mov" 16(%1), %%"#mm"1 \n\t" \ |
| "psubsw %%"#mm"4, %%"#mm"0 \n\t" \ |
| #mov" 48(%0), %%"#mm"7 \n\t" \ |
| "pmulhw %%"#mm"0, %%"#mm"1 \n\t" \ |
| "paddsw 64(%0), %%"#mm"7 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"5 \n\t" \ |
| "paddsw %%"#mm"4, %%"#mm"6 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"7 \n\t" \ |
| #mov" %%"#mm"5, %%"#mm"4 \n\t" \ |
| "psubsw %%"#mm"7, %%"#mm"5 \n\t" \ |
| "paddsw %%"#mm"5, %%"#mm"1 \n\t" \ |
| "paddsw %%"#mm"7, %%"#mm"4 \n\t" \ |
| "por (%2), %%"#mm"1 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)"+1, %%"#mm"2 \n\t" \ |
| "pmulhw 16(%1), %%"#mm"5 \n\t" \ |
| #mov" %%"#mm"4, %%"#mm"7 \n\t" \ |
| "psubsw 80(%0), %%"#mm"3 \n\t" \ |
| "psubsw %%"#mm"6, %%"#mm"4 \n\t" \ |
| #mov" %%"#mm"1, 32(%3) \n\t" \ |
| "paddsw %%"#mm"6, %%"#mm"7 \n\t" \ |
| #mov" 48(%0), %%"#mm"1 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)"+1, %%"#mm"3 \n\t" \ |
| "psubsw 64(%0), %%"#mm"1 \n\t" \ |
| #mov" %%"#mm"2, %%"#mm"6 \n\t" \ |
| #mov" %%"#mm"4, 64(%3) \n\t" \ |
| "paddsw %%"#mm"3, %%"#mm"2 \n\t" \ |
| "pmulhw (%4), %%"#mm"2 \n\t" \ |
| "psubsw %%"#mm"3, %%"#mm"6 \n\t" \ |
| "pmulhw (%4), %%"#mm"6 \n\t" \ |
| "psubsw %%"#mm"0, %%"#mm"5 \n\t" \ |
| "por (%2), %%"#mm"5 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"1 \n\t" \ |
| "por (%2), %%"#mm"2 \n\t" \ |
| #mov" %%"#mm"1, %%"#mm"4 \n\t" \ |
| #mov" (%0), %%"#mm"3 \n\t" \ |
| "paddsw %%"#mm"6, %%"#mm"1 \n\t" \ |
| "psubsw 112(%0), %%"#mm"3 \n\t" \ |
| "psubsw %%"#mm"6, %%"#mm"4 \n\t" \ |
| #mov" (%1), %%"#mm"0 \n\t" \ |
| "psllw $"S(SHIFT_FRW_COL)", %%"#mm"3 \n\t" \ |
| #mov" 32(%1), %%"#mm"6 \n\t" \ |
| "pmulhw %%"#mm"1, %%"#mm"0 \n\t" \ |
| #mov" %%"#mm"7, (%3) \n\t" \ |
| "pmulhw %%"#mm"4, %%"#mm"6 \n\t" \ |
| #mov" %%"#mm"5, 96(%3) \n\t" \ |
| #mov" %%"#mm"3, %%"#mm"7 \n\t" \ |
| #mov" 32(%1), %%"#mm"5 \n\t" \ |
| "psubsw %%"#mm"2, %%"#mm"7 \n\t" \ |
| "paddsw %%"#mm"2, %%"#mm"3 \n\t" \ |
| "pmulhw %%"#mm"7, %%"#mm"5 \n\t" \ |
| "paddsw %%"#mm"3, %%"#mm"0 \n\t" \ |
| "paddsw %%"#mm"4, %%"#mm"6 \n\t" \ |
| "pmulhw (%1), %%"#mm"3 \n\t" \ |
| "por (%2), %%"#mm"0 \n\t" \ |
| "paddsw %%"#mm"7, %%"#mm"5 \n\t" \ |
| "psubsw %%"#mm"6, %%"#mm"7 \n\t" \ |
| #mov" %%"#mm"0, 16(%3) \n\t" \ |
| "paddsw %%"#mm"4, %%"#mm"5 \n\t" \ |
| #mov" %%"#mm"7, 48(%3) \n\t" \ |
| "psubsw %%"#mm"1, %%"#mm"3 \n\t" \ |
| #mov" %%"#mm"5, 80(%3) \n\t" \ |
| #mov" %%"#mm"3, 112(%3) \n\t" \ |
| : \ |
| : "r" (in + offset), "r" (fdct_tg_all_16), "r" (fdct_one_corr), \ |
| "r" (out + offset), "r" (ocos_4_16)); \ |
| } |
| |
| FDCT_COL(mmx, mm, movq) |
| FDCT_COL(sse2, xmm, movdqa) |
| |
| static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out) |
| { |
| __asm__ volatile( |
| #define FDCT_ROW_SSE2_H1(i,t) \ |
| "movq " #i "(%0), %%xmm2 \n\t" \ |
| "movq " #i "+8(%0), %%xmm0 \n\t" \ |
| "movdqa " #t "+32(%1), %%xmm3 \n\t" \ |
| "movdqa " #t "+48(%1), %%xmm7 \n\t" \ |
| "movdqa " #t "(%1), %%xmm4 \n\t" \ |
| "movdqa " #t "+16(%1), %%xmm5 \n\t" |
| |
| #define FDCT_ROW_SSE2_H2(i,t) \ |
| "movq " #i "(%0), %%xmm2 \n\t" \ |
| "movq " #i "+8(%0), %%xmm0 \n\t" \ |
| "movdqa " #t "+32(%1), %%xmm3 \n\t" \ |
| "movdqa " #t "+48(%1), %%xmm7 \n\t" |
| |
| #define FDCT_ROW_SSE2(i) \ |
| "movq %%xmm2, %%xmm1 \n\t" \ |
| "pshuflw $27, %%xmm0, %%xmm0 \n\t" \ |
| "paddsw %%xmm0, %%xmm1 \n\t" \ |
| "psubsw %%xmm0, %%xmm2 \n\t" \ |
| "punpckldq %%xmm2, %%xmm1 \n\t" \ |
| "pshufd $78, %%xmm1, %%xmm2 \n\t" \ |
| "pmaddwd %%xmm2, %%xmm3 \n\t" \ |
| "pmaddwd %%xmm1, %%xmm7 \n\t" \ |
| "pmaddwd %%xmm5, %%xmm2 \n\t" \ |
| "pmaddwd %%xmm4, %%xmm1 \n\t" \ |
| "paddd %%xmm7, %%xmm3 \n\t" \ |
| "paddd %%xmm2, %%xmm1 \n\t" \ |
| "paddd %%xmm6, %%xmm3 \n\t" \ |
| "paddd %%xmm6, %%xmm1 \n\t" \ |
| "psrad %3, %%xmm3 \n\t" \ |
| "psrad %3, %%xmm1 \n\t" \ |
| "packssdw %%xmm3, %%xmm1 \n\t" \ |
| "movdqa %%xmm1, " #i "(%4) \n\t" |
| |
| "movdqa (%2), %%xmm6 \n\t" |
| FDCT_ROW_SSE2_H1(0,0) |
| FDCT_ROW_SSE2(0) |
| FDCT_ROW_SSE2_H2(64,0) |
| FDCT_ROW_SSE2(64) |
| |
| FDCT_ROW_SSE2_H1(16,64) |
| FDCT_ROW_SSE2(16) |
| FDCT_ROW_SSE2_H2(112,64) |
| FDCT_ROW_SSE2(112) |
| |
| FDCT_ROW_SSE2_H1(32,128) |
| FDCT_ROW_SSE2(32) |
| FDCT_ROW_SSE2_H2(96,128) |
| FDCT_ROW_SSE2(96) |
| |
| FDCT_ROW_SSE2_H1(48,192) |
| FDCT_ROW_SSE2(48) |
| FDCT_ROW_SSE2_H2(80,192) |
| FDCT_ROW_SSE2(80) |
| : |
| : "r" (in), "r" (tab_frw_01234567_sse2.tab_frw_01234567_sse2), "r" (fdct_r_row_sse2.fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out) |
| ); |
| } |
| |
| static av_always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const int16_t *table) |
| { |
| __asm__ volatile ( |
| "pshufw $0x1B, 8(%0), %%mm5 \n\t" |
| "movq (%0), %%mm0 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "paddsw %%mm5, %%mm0 \n\t" |
| "psubsw %%mm5, %%mm1 \n\t" |
| "movq %%mm0, %%mm2 \n\t" |
| "punpckldq %%mm1, %%mm0 \n\t" |
| "punpckhdq %%mm1, %%mm2 \n\t" |
| "movq (%1), %%mm1 \n\t" |
| "movq 8(%1), %%mm3 \n\t" |
| "movq 16(%1), %%mm4 \n\t" |
| "movq 24(%1), %%mm5 \n\t" |
| "movq 32(%1), %%mm6 \n\t" |
| "movq 40(%1), %%mm7 \n\t" |
| "pmaddwd %%mm0, %%mm1 \n\t" |
| "pmaddwd %%mm2, %%mm3 \n\t" |
| "pmaddwd %%mm0, %%mm4 \n\t" |
| "pmaddwd %%mm2, %%mm5 \n\t" |
| "pmaddwd %%mm0, %%mm6 \n\t" |
| "pmaddwd %%mm2, %%mm7 \n\t" |
| "pmaddwd 48(%1), %%mm0 \n\t" |
| "pmaddwd 56(%1), %%mm2 \n\t" |
| "paddd %%mm1, %%mm3 \n\t" |
| "paddd %%mm4, %%mm5 \n\t" |
| "paddd %%mm6, %%mm7 \n\t" |
| "paddd %%mm0, %%mm2 \n\t" |
| "movq (%2), %%mm0 \n\t" |
| "paddd %%mm0, %%mm3 \n\t" |
| "paddd %%mm0, %%mm5 \n\t" |
| "paddd %%mm0, %%mm7 \n\t" |
| "paddd %%mm0, %%mm2 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t" |
| "packssdw %%mm5, %%mm3 \n\t" |
| "packssdw %%mm2, %%mm7 \n\t" |
| "movq %%mm3, (%3) \n\t" |
| "movq %%mm7, 8(%3) \n\t" |
| : |
| : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out)); |
| } |
| |
| static av_always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table) |
| { |
| //FIXME reorder (I do not have an old MMX-only CPU here to benchmark ...) |
| __asm__ volatile( |
| "movd 12(%0), %%mm1 \n\t" |
| "punpcklwd 8(%0), %%mm1 \n\t" |
| "movq %%mm1, %%mm2 \n\t" |
| "psrlq $0x20, %%mm1 \n\t" |
| "movq 0(%0), %%mm0 \n\t" |
| "punpcklwd %%mm2, %%mm1 \n\t" |
| "movq %%mm0, %%mm5 \n\t" |
| "paddsw %%mm1, %%mm0 \n\t" |
| "psubsw %%mm1, %%mm5 \n\t" |
| "movq %%mm0, %%mm2 \n\t" |
| "punpckldq %%mm5, %%mm0 \n\t" |
| "punpckhdq %%mm5, %%mm2 \n\t" |
| "movq 0(%1), %%mm1 \n\t" |
| "movq 8(%1), %%mm3 \n\t" |
| "movq 16(%1), %%mm4 \n\t" |
| "movq 24(%1), %%mm5 \n\t" |
| "movq 32(%1), %%mm6 \n\t" |
| "movq 40(%1), %%mm7 \n\t" |
| "pmaddwd %%mm0, %%mm1 \n\t" |
| "pmaddwd %%mm2, %%mm3 \n\t" |
| "pmaddwd %%mm0, %%mm4 \n\t" |
| "pmaddwd %%mm2, %%mm5 \n\t" |
| "pmaddwd %%mm0, %%mm6 \n\t" |
| "pmaddwd %%mm2, %%mm7 \n\t" |
| "pmaddwd 48(%1), %%mm0 \n\t" |
| "pmaddwd 56(%1), %%mm2 \n\t" |
| "paddd %%mm1, %%mm3 \n\t" |
| "paddd %%mm4, %%mm5 \n\t" |
| "paddd %%mm6, %%mm7 \n\t" |
| "paddd %%mm0, %%mm2 \n\t" |
| "movq (%2), %%mm0 \n\t" |
| "paddd %%mm0, %%mm3 \n\t" |
| "paddd %%mm0, %%mm5 \n\t" |
| "paddd %%mm0, %%mm7 \n\t" |
| "paddd %%mm0, %%mm2 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t" |
| "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t" |
| "packssdw %%mm5, %%mm3 \n\t" |
| "packssdw %%mm2, %%mm7 \n\t" |
| "movq %%mm3, 0(%3) \n\t" |
| "movq %%mm7, 8(%3) \n\t" |
| : |
| : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out)); |
| } |
| |
| void ff_fdct_mmx(int16_t *block) |
| { |
| int64_t align_tmp[16] ATTR_ALIGN(8); |
| int16_t * block1= (int16_t*)align_tmp; |
| const int16_t *table= tab_frw_01234567; |
| int i; |
| |
| fdct_col_mmx(block, block1, 0); |
| fdct_col_mmx(block, block1, 4); |
| |
| for(i=8;i>0;i--) { |
| fdct_row_mmx(block1, block, table); |
| block1 += 8; |
| table += 32; |
| block += 8; |
| } |
| } |
| |
| void ff_fdct_mmx2(int16_t *block) |
| { |
| int64_t align_tmp[16] ATTR_ALIGN(8); |
| int16_t *block1= (int16_t*)align_tmp; |
| const int16_t *table= tab_frw_01234567; |
| int i; |
| |
| fdct_col_mmx(block, block1, 0); |
| fdct_col_mmx(block, block1, 4); |
| |
| for(i=8;i>0;i--) { |
| fdct_row_mmx2(block1, block, table); |
| block1 += 8; |
| table += 32; |
| block += 8; |
| } |
| } |
| |
| void ff_fdct_sse2(int16_t *block) |
| { |
| int64_t align_tmp[16] ATTR_ALIGN(16); |
| int16_t * const block1= (int16_t*)align_tmp; |
| |
| fdct_col_sse2(block, block1, 0); |
| fdct_row_sse2(block1, block); |
| } |
| |
