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Diffstat (limited to 'libavcodec/x86/fdct_mmx.c')
-rw-r--r--libavcodec/x86/fdct_mmx.c580
1 files changed, 580 insertions, 0 deletions
diff --git a/libavcodec/x86/fdct_mmx.c b/libavcodec/x86/fdct_mmx.c
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index 0000000000..c87c1a78f3
--- /dev/null
+++ b/libavcodec/x86/fdct_mmx.c
@@ -0,0 +1,580 @@
+/*
+ * 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);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 20:14:42 +0000