mirror of https://git.ffmpeg.org/ffmpeg.git
Translate libmpeg2 MMX IDCT to plain asm
Originally committed as revision 24580 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
37287d41f4
commit
2c3dda6838
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@ -23,8 +23,8 @@
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#include "libavutil/common.h"
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#include "libavcodec/dsputil.h"
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#include "libavutil/x86_cpu.h"
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#include "dsputil_mmx.h"
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#include "mmx.h"
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#define ROW_SHIFT 11
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#define COL_SHIFT 6
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@ -87,104 +87,115 @@ static inline void idct_row (int16_t * row, int offset,
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static inline void mmxext_row_head (int16_t * const row, const int offset,
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const int16_t * const table)
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{
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movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
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__asm__ volatile(
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"movq (%0), %%mm2 \n\t" /* mm2 = x6 x4 x2 x0 */
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movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
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movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
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"movq 8(%0), %%mm5 \n\t" /* mm5 = x7 x5 x3 x1 */
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"movq %%mm2, %%mm0 \n\t" /* mm0 = x6 x4 x2 x0 */
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movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */
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movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
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"movq (%1), %%mm3 \n\t" /* mm3 = -C2 -C4 C2 C4 */
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"movq %%mm5, %%mm6 \n\t" /* mm6 = x7 x5 x3 x1 */
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movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */
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pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */
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"movq 8(%1), %%mm4 \n\t" /* mm4 = C6 C4 C6 C4 */
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"pmaddwd %%mm0, %%mm3 \n\t" /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */
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pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */
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"pshufw $0x4e, %%mm2, %%mm2 \n\t" /* mm2 = x2 x0 x6 x4 */
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:: "r" ((row+offset)), "r" (table)
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);
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}
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static inline void mmxext_row (const int16_t * const table,
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const int32_t * const rounder)
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{
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movq_m2r (*(table+8), mm1); /* mm1 = -C5 -C1 C3 C1 */
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pmaddwd_r2r (mm2, mm4); /* mm4 = C4*x0+C6*x2 C4*x4+C6*x6 */
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__asm__ volatile (
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"movq 16(%0), %%mm1 \n\t" /* mm1 = -C5 -C1 C3 C1 */
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"pmaddwd %%mm2, %%mm4 \n\t" /* mm4 = C4*x0+C6*x2 C4*x4+C6*x6 */
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pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x4-C6*x6 C4*x0-C6*x2 */
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pshufw_r2r (mm6, mm6, 0x4e); /* mm6 = x3 x1 x7 x5 */
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"pmaddwd 32(%0), %%mm0 \n\t" /* mm0 = C4*x4-C6*x6 C4*x0-C6*x2 */
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"pshufw $0x4e, %%mm6, %%mm6 \n\t" /* mm6 = x3 x1 x7 x5 */
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movq_m2r (*(table+12), mm7); /* mm7 = -C7 C3 C7 C5 */
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pmaddwd_r2r (mm5, mm1); /* mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 */
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"movq 24(%0), %%mm7 \n\t" /* mm7 = -C7 C3 C7 C5 */
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"pmaddwd %%mm5, %%mm1 \n\t" /* mm1= -C1*x5-C5*x7 C1*x1+C3*x3 */
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paddd_m2r (*rounder, mm3); /* mm3 += rounder */
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pmaddwd_r2r (mm6, mm7); /* mm7 = C3*x1-C7*x3 C5*x5+C7*x7 */
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"paddd (%1), %%mm3 \n\t" /* mm3 += rounder */
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"pmaddwd %%mm6, %%mm7 \n\t" /* mm7 = C3*x1-C7*x3 C5*x5+C7*x7 */
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pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 */
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paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */
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"pmaddwd 40(%0), %%mm2 \n\t" /* mm2= C4*x0-C2*x2 -C4*x4+C2*x6 */
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"paddd %%mm4, %%mm3 \n\t" /* mm3 = a1 a0 + rounder */
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pmaddwd_m2r (*(table+24), mm5); /* mm5 = C3*x5-C1*x7 C5*x1-C1*x3 */
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movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */
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"pmaddwd 48(%0), %%mm5 \n\t" /* mm5 = C3*x5-C1*x7 C5*x1-C1*x3 */
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"movq %%mm3, %%mm4 \n\t" /* mm4 = a1 a0 + rounder */
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pmaddwd_m2r (*(table+28), mm6); /* mm6 = C7*x1-C5*x3 C7*x5+C3*x7 */
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paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */
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"pmaddwd 56(%0), %%mm6 \n\t" /* mm6 = C7*x1-C5*x3 C7*x5+C3*x7 */
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"paddd %%mm7, %%mm1 \n\t" /* mm1 = b1 b0 */
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paddd_m2r (*rounder, mm0); /* mm0 += rounder */
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psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */
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"paddd (%1), %%mm0 \n\t" /* mm0 += rounder */
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"psubd %%mm1, %%mm3 \n\t" /* mm3 = a1-b1 a0-b0 + rounder */
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psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */
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paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm3 \n\t" /* mm3 = y6 y7 */
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"paddd %%mm4, %%mm1 \n\t" /* mm1 = a1+b1 a0+b0 + rounder */
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paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */
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psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */
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"paddd %%mm2, %%mm0 \n\t" /* mm0 = a3 a2 + rounder */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm1 \n\t" /* mm1 = y1 y0 */
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paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */
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movq_r2r (mm0, mm4); /* mm4 = a3 a2 + rounder */
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"paddd %%mm6, %%mm5 \n\t" /* mm5 = b3 b2 */
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"movq %%mm0, %%mm4 \n\t" /* mm4 = a3 a2 + rounder */
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paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */
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psubd_r2r (mm5, mm4); /* mm4 = a3-b3 a2-b2 + rounder */
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"paddd %%mm5, %%mm0 \n\t" /* mm0 = a3+b3 a2+b2 + rounder */
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"psubd %%mm5, %%mm4 \n\t" /* mm4 = a3-b3 a2-b2 + rounder */
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: : "r" (table), "r" (rounder));
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}
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static inline void mmxext_row_tail (int16_t * const row, const int store)
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{
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psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
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__asm__ volatile (
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm0 \n\t" /* mm0 = y3 y2 */
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psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm4 \n\t" /* mm4 = y4 y5 */
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packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
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"packssdw %%mm0, %%mm1 \n\t" /* mm1 = y3 y2 y1 y0 */
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packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */
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"packssdw %%mm3, %%mm4 \n\t" /* mm4 = y6 y7 y4 y5 */
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movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
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pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */
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"movq %%mm1, (%0) \n\t" /* save y3 y2 y1 y0 */
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"pshufw $0xb1, %%mm4, %%mm4 \n\t" /* mm4 = y7 y6 y5 y4 */
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/* slot */
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movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */
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"movq %%mm4, 8(%0) \n\t" /* save y7 y6 y5 y4 */
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:: "r" (row+store)
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);
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}
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static inline void mmxext_row_mid (int16_t * const row, const int store,
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const int offset,
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const int16_t * const table)
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{
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movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
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psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
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__asm__ volatile (
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"movq (%0,%1), %%mm2 \n\t" /* mm2 = x6 x4 x2 x0 */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm0 \n\t" /* mm0 = y3 y2 */
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movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
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psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */
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"movq 8(%0,%1), %%mm5 \n\t" /* mm5 = x7 x5 x3 x1 */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm4 \n\t" /* mm4 = y4 y5 */
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packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
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movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
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"packssdw %%mm0, %%mm1 \n\t" /* mm1 = y3 y2 y1 y0 */
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"movq %%mm5, %%mm6 \n\t" /* mm6 = x7 x5 x3 x1 */
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packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */
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movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
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"packssdw %%mm3, %%mm4 \n\t" /* mm4 = y6 y7 y4 y5 */
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"movq %%mm2, %%mm0 \n\t" /* mm0 = x6 x4 x2 x0 */
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movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
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pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */
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"movq %%mm1, (%0,%2) \n\t" /* save y3 y2 y1 y0 */
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"pshufw $0xb1, %%mm4, %%mm4\n\t" /* mm4 = y7 y6 y5 y4 */
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movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */
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movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */
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"movq (%3), %%mm3 \n\t" /* mm3 = -C2 -C4 C2 C4 */
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"movq %%mm4, 8(%0,%2) \n\t" /* save y7 y6 y5 y4 */
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pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */
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"pmaddwd %%mm0, %%mm3 \n\t" /* mm3= -C4*x4-C2*x6 C4*x0+C2*x2 */
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movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */
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pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */
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"movq 8(%3), %%mm4 \n\t" /* mm4 = C6 C4 C6 C4 */
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"pshufw $0x4e, %%mm2, %%mm2\n\t" /* mm2 = x2 x0 x6 x4 */
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:: "r" (row), "r" (2*offset), "r" (2*store), "r" (table)
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);
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}
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@ -202,119 +213,132 @@ static inline void mmxext_row_mid (int16_t * const row, const int store,
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static inline void mmx_row_head (int16_t * const row, const int offset,
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const int16_t * const table)
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{
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movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
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__asm__ volatile (
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"movq (%0), %%mm2 \n\t" /* mm2 = x6 x4 x2 x0 */
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movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
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movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
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"movq 8(%0), %%mm5 \n\t" /* mm5 = x7 x5 x3 x1 */
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"movq %%mm2, %%mm0 \n\t" /* mm0 = x6 x4 x2 x0 */
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movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */
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movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
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"movq (%1), %%mm3 \n\t" /* mm3 = C6 C4 C2 C4 */
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"movq %%mm5, %%mm6 \n\t" /* mm6 = x7 x5 x3 x1 */
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punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */
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"punpckldq %%mm0, %%mm0 \n\t" /* mm0 = x2 x0 x2 x0 */
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movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */
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pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
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"movq 8(%1), %%mm4 \n\t" /* mm4 = -C2 -C4 C6 C4 */
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"pmaddwd %%mm0, %%mm3 \n\t" /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
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movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */
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punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */
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"movq 16(%1), %%mm1 \n\t" /* mm1 = -C7 C3 C3 C1 */
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"punpckhdq %%mm2, %%mm2 \n\t" /* mm2 = x6 x4 x6 x4 */
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:: "r" ((row+offset)), "r" (table)
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);
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}
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static inline void mmx_row (const int16_t * const table,
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const int32_t * const rounder)
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{
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pmaddwd_r2r (mm2, mm4); /* mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 */
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punpckldq_r2r (mm5, mm5); /* mm5 = x3 x1 x3 x1 */
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__asm__ volatile (
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"pmaddwd %%mm2, %%mm4 \n\t" /* mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 */
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"punpckldq %%mm5, %%mm5 \n\t" /* mm5 = x3 x1 x3 x1 */
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pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x0-C2*x2 C4*x0-C6*x2 */
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punpckhdq_r2r (mm6, mm6); /* mm6 = x7 x5 x7 x5 */
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"pmaddwd 32(%0), %%mm0 \n\t" /* mm0 = C4*x0-C2*x2 C4*x0-C6*x2 */
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"punpckhdq %%mm6, %%mm6 \n\t" /* mm6 = x7 x5 x7 x5 */
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movq_m2r (*(table+12), mm7); /* mm7 = -C5 -C1 C7 C5 */
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pmaddwd_r2r (mm5, mm1); /* mm1 = C3*x1-C7*x3 C1*x1+C3*x3 */
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"movq 24(%0), %%mm7 \n\t" /* mm7 = -C5 -C1 C7 C5 */
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"pmaddwd %%mm5, %%mm1 \n\t" /* mm1 = C3*x1-C7*x3 C1*x1+C3*x3 */
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paddd_m2r (*rounder, mm3); /* mm3 += rounder */
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pmaddwd_r2r (mm6, mm7); /* mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 */
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"paddd (%1), %%mm3 \n\t" /* mm3 += rounder */
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"pmaddwd %%mm6, %%mm7 \n\t" /* mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 */
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pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 */
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paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */
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"pmaddwd 40(%0), %%mm2 \n\t" /* mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 */
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"paddd %%mm4, %%mm3 \n\t" /* mm3 = a1 a0 + rounder */
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pmaddwd_m2r (*(table+24), mm5); /* mm5 = C7*x1-C5*x3 C5*x1-C1*x3 */
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movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */
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"pmaddwd 48(%0), %%mm5 \n\t" /* mm5 = C7*x1-C5*x3 C5*x1-C1*x3 */
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"movq %%mm3, %%mm4 \n\t" /* mm4 = a1 a0 + rounder */
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pmaddwd_m2r (*(table+28), mm6); /* mm6 = C3*x5-C1*x7 C7*x5+C3*x7 */
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paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */
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"pmaddwd 56(%0), %%mm6 \n\t" /* mm6 = C3*x5-C1*x7 C7*x5+C3*x7 */
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"paddd %%mm7, %%mm1 \n\t" /* mm1 = b1 b0 */
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paddd_m2r (*rounder, mm0); /* mm0 += rounder */
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psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */
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"paddd (%1), %%mm0 \n\t" /* mm0 += rounder */
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"psubd %%mm1, %%mm3 \n\t" /* mm3 = a1-b1 a0-b0 + rounder */
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psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */
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paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm3 \n\t" /* mm3 = y6 y7 */
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"paddd %%mm4, %%mm1 \n\t" /* mm1 = a1+b1 a0+b0 + rounder */
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paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */
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psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */
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"paddd %%mm2, %%mm0 \n\t" /* mm0 = a3 a2 + rounder */
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"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm1 \n\t" /* mm1 = y1 y0 */
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paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */
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movq_r2r (mm0, mm7); /* mm7 = a3 a2 + rounder */
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"paddd %%mm6, %%mm5 \n\t" /* mm5 = b3 b2 */
|
||||
"movq %%mm0, %%mm7 \n\t" /* mm7 = a3 a2 + rounder */
|
||||
|
||||
paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */
|
||||
psubd_r2r (mm5, mm7); /* mm7 = a3-b3 a2-b2 + rounder */
|
||||
"paddd %%mm5, %%mm0 \n\t" /* mm0 = a3+b3 a2+b2 + rounder */
|
||||
"psubd %%mm5, %%mm7 \n\t" /* mm7 = a3-b3 a2-b2 + rounder */
|
||||
:: "r" (table), "r" (rounder)
|
||||
);
|
||||
}
|
||||
|
||||
static inline void mmx_row_tail (int16_t * const row, const int store)
|
||||
{
|
||||
psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
|
||||
__asm__ volatile (
|
||||
"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm0 \n\t" /* mm0 = y3 y2 */
|
||||
|
||||
psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */
|
||||
"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm7 \n\t" /* mm7 = y4 y5 */
|
||||
|
||||
packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
|
||||
"packssdw %%mm0, %%mm1 \n\t" /* mm1 = y3 y2 y1 y0 */
|
||||
|
||||
packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */
|
||||
"packssdw %%mm3, %%mm7 \n\t" /* mm7 = y6 y7 y4 y5 */
|
||||
|
||||
movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
|
||||
movq_r2r (mm7, mm4); /* mm4 = y6 y7 y4 y5 */
|
||||
"movq %%mm1, (%0) \n\t" /* save y3 y2 y1 y0 */
|
||||
"movq %%mm7, %%mm4 \n\t" /* mm4 = y6 y7 y4 y5 */
|
||||
|
||||
pslld_i2r (16, mm7); /* mm7 = y7 0 y5 0 */
|
||||
"pslld $16, %%mm7 \n\t" /* mm7 = y7 0 y5 0 */
|
||||
|
||||
psrld_i2r (16, mm4); /* mm4 = 0 y6 0 y4 */
|
||||
"psrld $16, %%mm4 \n\t" /* mm4 = 0 y6 0 y4 */
|
||||
|
||||
por_r2r (mm4, mm7); /* mm7 = y7 y6 y5 y4 */
|
||||
"por %%mm4, %%mm7 \n\t" /* mm7 = y7 y6 y5 y4 */
|
||||
|
||||
/* slot */
|
||||
|
||||
movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */
|
||||
"movq %%mm7, 8(%0) \n\t" /* save y7 y6 y5 y4 */
|
||||
:: "r" (row+store)
|
||||
);
|
||||
}
|
||||
|
||||
static inline void mmx_row_mid (int16_t * const row, const int store,
|
||||
const int offset, const int16_t * const table)
|
||||
{
|
||||
movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
|
||||
psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
|
||||
|
||||
movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
|
||||
psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */
|
||||
__asm__ volatile (
|
||||
"movq (%0,%1), %%mm2 \n\t" /* mm2 = x6 x4 x2 x0 */
|
||||
"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm0 \n\t" /* mm0 = y3 y2 */
|
||||
|
||||
packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
|
||||
movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
|
||||
"movq 8(%0,%1), %%mm5 \n\t" /* mm5 = x7 x5 x3 x1 */
|
||||
"psrad $" AV_STRINGIFY(ROW_SHIFT) ", %%mm7 \n\t" /* mm7 = y4 y5 */
|
||||
|
||||
packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */
|
||||
movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
|
||||
"packssdw %%mm0, %%mm1 \n\t" /* mm1 = y3 y2 y1 y0 */
|
||||
"movq %%mm5, %%mm6 \n\t" /* mm6 = x7 x5 x3 x1 */
|
||||
|
||||
movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
|
||||
movq_r2r (mm7, mm1); /* mm1 = y6 y7 y4 y5 */
|
||||
"packssdw %%mm3, %%mm7 \n\t" /* mm7 = y6 y7 y4 y5 */
|
||||
"movq %%mm2, %%mm0 \n\t" /* mm0 = x6 x4 x2 x0 */
|
||||
|
||||
punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */
|
||||
psrld_i2r (16, mm7); /* mm7 = 0 y6 0 y4 */
|
||||
"movq %%mm1, (%0,%2) \n\t" /* save y3 y2 y1 y0 */
|
||||
"movq %%mm7, %%mm1 \n\t" /* mm1 = y6 y7 y4 y5 */
|
||||
|
||||
movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */
|
||||
pslld_i2r (16, mm1); /* mm1 = y7 0 y5 0 */
|
||||
"punpckldq %%mm0, %%mm0 \n\t" /* mm0 = x2 x0 x2 x0 */
|
||||
"psrld $16, %%mm7 \n\t" /* mm7 = 0 y6 0 y4 */
|
||||
|
||||
movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */
|
||||
por_r2r (mm1, mm7); /* mm7 = y7 y6 y5 y4 */
|
||||
"movq (%3), %%mm3 \n\t" /* mm3 = C6 C4 C2 C4 */
|
||||
"pslld $16, %%mm1 \n\t" /* mm1 = y7 0 y5 0 */
|
||||
|
||||
movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */
|
||||
punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */
|
||||
"movq 8(%3), %%mm4 \n\t" /* mm4 = -C2 -C4 C6 C4 */
|
||||
"por %%mm1, %%mm7 \n\t" /* mm7 = y7 y6 y5 y4 */
|
||||
|
||||
movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */
|
||||
pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
|
||||
"movq 16(%3), %%mm1 \n\t" /* mm1 = -C7 C3 C3 C1 */
|
||||
"punpckhdq %%mm2, %%mm2 \n\t" /* mm2 = x6 x4 x6 x4 */
|
||||
|
||||
"movq %%mm7, 8(%0,%2) \n\t" /* save y7 y6 y5 y4 */
|
||||
"pmaddwd %%mm0, %%mm3 \n\t" /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
|
||||
: : "r" (row), "r"(2*offset), "r" (2*store), "r" (table)
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
|
@ -398,140 +422,145 @@ static inline void idct_col (int16_t * const col, const int offset)
|
|||
#define T3 43790
|
||||
#define C4 23170
|
||||
|
||||
DECLARE_ALIGNED(8, static const short, t1_vector)[] = {T1,T1,T1,T1};
|
||||
DECLARE_ALIGNED(8, static const short, t2_vector)[] = {T2,T2,T2,T2};
|
||||
DECLARE_ALIGNED(8, static const short, t3_vector)[] = {T3,T3,T3,T3};
|
||||
DECLARE_ALIGNED(8, static const short, c4_vector)[] = {C4,C4,C4,C4};
|
||||
DECLARE_ALIGNED(8, static const short, t1_vector)[] = {
|
||||
T1,T1,T1,T1,
|
||||
T2,T2,T2,T2,
|
||||
T3,T3,T3,T3,
|
||||
C4,C4,C4,C4
|
||||
};
|
||||
|
||||
/* column code adapted from Peter Gubanov */
|
||||
/* http://www.elecard.com/peter/idct.shtml */
|
||||
|
||||
movq_m2r (*t1_vector, mm0); /* mm0 = T1 */
|
||||
__asm__ volatile (
|
||||
"movq (%0), %%mm0 \n\t" /* mm0 = T1 */
|
||||
|
||||
movq_m2r (*(col+offset+1*8), mm1); /* mm1 = x1 */
|
||||
movq_r2r (mm0, mm2); /* mm2 = T1 */
|
||||
"movq 2*8(%1), %%mm1 \n\t" /* mm1 = x1 */
|
||||
"movq %%mm0, %%mm2 \n\t" /* mm2 = T1 */
|
||||
|
||||
movq_m2r (*(col+offset+7*8), mm4); /* mm4 = x7 */
|
||||
pmulhw_r2r (mm1, mm0); /* mm0 = T1*x1 */
|
||||
"movq 7*2*8(%1), %%mm4 \n\t" /* mm4 = x7 */
|
||||
"pmulhw %%mm1, %%mm0 \n\t" /* mm0 = T1*x1 */
|
||||
|
||||
movq_m2r (*t3_vector, mm5); /* mm5 = T3 */
|
||||
pmulhw_r2r (mm4, mm2); /* mm2 = T1*x7 */
|
||||
"movq 16(%0), %%mm5 \n\t" /* mm5 = T3 */
|
||||
"pmulhw %%mm4, %%mm2 \n\t" /* mm2 = T1*x7 */
|
||||
|
||||
movq_m2r (*(col+offset+5*8), mm6); /* mm6 = x5 */
|
||||
movq_r2r (mm5, mm7); /* mm7 = T3-1 */
|
||||
"movq 2*5*8(%1), %%mm6 \n\t" /* mm6 = x5 */
|
||||
"movq %%mm5, %%mm7 \n\t" /* mm7 = T3-1 */
|
||||
|
||||
movq_m2r (*(col+offset+3*8), mm3); /* mm3 = x3 */
|
||||
psubsw_r2r (mm4, mm0); /* mm0 = v17 */
|
||||
"movq 3*8*2(%1), %%mm3 \n\t" /* mm3 = x3 */
|
||||
"psubsw %%mm4, %%mm0 \n\t" /* mm0 = v17 */
|
||||
|
||||
movq_m2r (*t2_vector, mm4); /* mm4 = T2 */
|
||||
pmulhw_r2r (mm3, mm5); /* mm5 = (T3-1)*x3 */
|
||||
"movq 8(%0), %%mm4 \n\t" /* mm4 = T2 */
|
||||
"pmulhw %%mm3, %%mm5 \n\t" /* mm5 = (T3-1)*x3 */
|
||||
|
||||
paddsw_r2r (mm2, mm1); /* mm1 = u17 */
|
||||
pmulhw_r2r (mm6, mm7); /* mm7 = (T3-1)*x5 */
|
||||
"paddsw %%mm2, %%mm1 \n\t" /* mm1 = u17 */
|
||||
"pmulhw %%mm6, %%mm7 \n\t" /* mm7 = (T3-1)*x5 */
|
||||
|
||||
/* slot */
|
||||
|
||||
movq_r2r (mm4, mm2); /* mm2 = T2 */
|
||||
paddsw_r2r (mm3, mm5); /* mm5 = T3*x3 */
|
||||
"movq %%mm4, %%mm2 \n\t" /* mm2 = T2 */
|
||||
"paddsw %%mm3, %%mm5 \n\t" /* mm5 = T3*x3 */
|
||||
|
||||
pmulhw_m2r (*(col+offset+2*8), mm4);/* mm4 = T2*x2 */
|
||||
paddsw_r2r (mm6, mm7); /* mm7 = T3*x5 */
|
||||
"pmulhw 2*8*2(%1), %%mm4 \n\t" /* mm4 = T2*x2 */
|
||||
"paddsw %%mm6, %%mm7 \n\t" /* mm7 = T3*x5 */
|
||||
|
||||
psubsw_r2r (mm6, mm5); /* mm5 = v35 */
|
||||
paddsw_r2r (mm3, mm7); /* mm7 = u35 */
|
||||
"psubsw %%mm6, %%mm5 \n\t" /* mm5 = v35 */
|
||||
"paddsw %%mm3, %%mm7 \n\t" /* mm7 = u35 */
|
||||
|
||||
movq_m2r (*(col+offset+6*8), mm3); /* mm3 = x6 */
|
||||
movq_r2r (mm0, mm6); /* mm6 = v17 */
|
||||
"movq 6*8*2(%1), %%mm3 \n\t" /* mm3 = x6 */
|
||||
"movq %%mm0, %%mm6 \n\t" /* mm6 = v17 */
|
||||
|
||||
pmulhw_r2r (mm3, mm2); /* mm2 = T2*x6 */
|
||||
psubsw_r2r (mm5, mm0); /* mm0 = b3 */
|
||||
"pmulhw %%mm3, %%mm2 \n\t" /* mm2 = T2*x6 */
|
||||
"psubsw %%mm5, %%mm0 \n\t" /* mm0 = b3 */
|
||||
|
||||
psubsw_r2r (mm3, mm4); /* mm4 = v26 */
|
||||
paddsw_r2r (mm6, mm5); /* mm5 = v12 */
|
||||
"psubsw %%mm3, %%mm4 \n\t" /* mm4 = v26 */
|
||||
"paddsw %%mm6, %%mm5 \n\t" /* mm5 = v12 */
|
||||
|
||||
movq_r2m (mm0, *(col+offset+3*8)); /* save b3 in scratch0 */
|
||||
movq_r2r (mm1, mm6); /* mm6 = u17 */
|
||||
"movq %%mm0, 3*8*2(%1)\n\t" /* save b3 in scratch0 */
|
||||
"movq %%mm1, %%mm6 \n\t" /* mm6 = u17 */
|
||||
|
||||
paddsw_m2r (*(col+offset+2*8), mm2);/* mm2 = u26 */
|
||||
paddsw_r2r (mm7, mm6); /* mm6 = b0 */
|
||||
"paddsw 2*8*2(%1), %%mm2 \n\t" /* mm2 = u26 */
|
||||
"paddsw %%mm7, %%mm6 \n\t" /* mm6 = b0 */
|
||||
|
||||
psubsw_r2r (mm7, mm1); /* mm1 = u12 */
|
||||
movq_r2r (mm1, mm7); /* mm7 = u12 */
|
||||
"psubsw %%mm7, %%mm1 \n\t" /* mm1 = u12 */
|
||||
"movq %%mm1, %%mm7 \n\t" /* mm7 = u12 */
|
||||
|
||||
movq_m2r (*(col+offset+0*8), mm3); /* mm3 = x0 */
|
||||
paddsw_r2r (mm5, mm1); /* mm1 = u12+v12 */
|
||||
"movq 0*8(%1), %%mm3 \n\t" /* mm3 = x0 */
|
||||
"paddsw %%mm5, %%mm1 \n\t" /* mm1 = u12+v12 */
|
||||
|
||||
movq_m2r (*c4_vector, mm0); /* mm0 = C4/2 */
|
||||
psubsw_r2r (mm5, mm7); /* mm7 = u12-v12 */
|
||||
"movq 24(%0), %%mm0 \n\t" /* mm0 = C4/2 */
|
||||
"psubsw %%mm5, %%mm7 \n\t" /* mm7 = u12-v12 */
|
||||
|
||||
movq_r2m (mm6, *(col+offset+5*8)); /* save b0 in scratch1 */
|
||||
pmulhw_r2r (mm0, mm1); /* mm1 = b1/2 */
|
||||
"movq %%mm6, 5*8*2(%1)\n\t" /* save b0 in scratch1 */
|
||||
"pmulhw %%mm0, %%mm1 \n\t" /* mm1 = b1/2 */
|
||||
|
||||
movq_r2r (mm4, mm6); /* mm6 = v26 */
|
||||
pmulhw_r2r (mm0, mm7); /* mm7 = b2/2 */
|
||||
"movq %%mm4, %%mm6 \n\t" /* mm6 = v26 */
|
||||
"pmulhw %%mm0, %%mm7 \n\t" /* mm7 = b2/2 */
|
||||
|
||||
movq_m2r (*(col+offset+4*8), mm5); /* mm5 = x4 */
|
||||
movq_r2r (mm3, mm0); /* mm0 = x0 */
|
||||
"movq 4*8*2(%1), %%mm5 \n\t" /* mm5 = x4 */
|
||||
"movq %%mm3, %%mm0 \n\t" /* mm0 = x0 */
|
||||
|
||||
psubsw_r2r (mm5, mm3); /* mm3 = v04 */
|
||||
paddsw_r2r (mm5, mm0); /* mm0 = u04 */
|
||||
"psubsw %%mm5, %%mm3 \n\t" /* mm3 = v04 */
|
||||
"paddsw %%mm5, %%mm0 \n\t" /* mm0 = u04 */
|
||||
|
||||
paddsw_r2r (mm3, mm4); /* mm4 = a1 */
|
||||
movq_r2r (mm0, mm5); /* mm5 = u04 */
|
||||
"paddsw %%mm3, %%mm4 \n\t" /* mm4 = a1 */
|
||||
"movq %%mm0, %%mm5 \n\t" /* mm5 = u04 */
|
||||
|
||||
psubsw_r2r (mm6, mm3); /* mm3 = a2 */
|
||||
paddsw_r2r (mm2, mm5); /* mm5 = a0 */
|
||||
"psubsw %%mm6, %%mm3 \n\t" /* mm3 = a2 */
|
||||
"paddsw %%mm2, %%mm5 \n\t" /* mm5 = a0 */
|
||||
|
||||
paddsw_r2r (mm1, mm1); /* mm1 = b1 */
|
||||
psubsw_r2r (mm2, mm0); /* mm0 = a3 */
|
||||
"paddsw %%mm1, %%mm1 \n\t" /* mm1 = b1 */
|
||||
"psubsw %%mm2, %%mm0 \n\t" /* mm0 = a3 */
|
||||
|
||||
paddsw_r2r (mm7, mm7); /* mm7 = b2 */
|
||||
movq_r2r (mm3, mm2); /* mm2 = a2 */
|
||||
"paddsw %%mm7, %%mm7 \n\t" /* mm7 = b2 */
|
||||
"movq %%mm3, %%mm2 \n\t" /* mm2 = a2 */
|
||||
|
||||
movq_r2r (mm4, mm6); /* mm6 = a1 */
|
||||
paddsw_r2r (mm7, mm3); /* mm3 = a2+b2 */
|
||||
"movq %%mm4, %%mm6 \n\t" /* mm6 = a1 */
|
||||
"paddsw %%mm7, %%mm3 \n\t" /* mm3 = a2+b2 */
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm3); /* mm3 = y2 */
|
||||
paddsw_r2r (mm1, mm4); /* mm4 = a1+b1 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm3\n\t" /* mm3 = y2 */
|
||||
"paddsw %%mm1, %%mm4\n\t" /* mm4 = a1+b1 */
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm4); /* mm4 = y1 */
|
||||
psubsw_r2r (mm1, mm6); /* mm6 = a1-b1 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm4\n\t" /* mm4 = y1 */
|
||||
"psubsw %%mm1, %%mm6 \n\t" /* mm6 = a1-b1 */
|
||||
|
||||
movq_m2r (*(col+offset+5*8), mm1); /* mm1 = b0 */
|
||||
psubsw_r2r (mm7, mm2); /* mm2 = a2-b2 */
|
||||
"movq 5*8*2(%1), %%mm1 \n\t" /* mm1 = b0 */
|
||||
"psubsw %%mm7, %%mm2 \n\t" /* mm2 = a2-b2 */
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm6); /* mm6 = y6 */
|
||||
movq_r2r (mm5, mm7); /* mm7 = a0 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm6\n\t" /* mm6 = y6 */
|
||||
"movq %%mm5, %%mm7 \n\t" /* mm7 = a0 */
|
||||
|
||||
movq_r2m (mm4, *(col+offset+1*8)); /* save y1 */
|
||||
psraw_i2r (COL_SHIFT, mm2); /* mm2 = y5 */
|
||||
"movq %%mm4, 1*8*2(%1)\n\t" /* save y1 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm2\n\t" /* mm2 = y5 */
|
||||
|
||||
movq_r2m (mm3, *(col+offset+2*8)); /* save y2 */
|
||||
paddsw_r2r (mm1, mm5); /* mm5 = a0+b0 */
|
||||
"movq %%mm3, 2*8*2(%1)\n\t" /* save y2 */
|
||||
"paddsw %%mm1, %%mm5 \n\t" /* mm5 = a0+b0 */
|
||||
|
||||
movq_m2r (*(col+offset+3*8), mm4); /* mm4 = b3 */
|
||||
psubsw_r2r (mm1, mm7); /* mm7 = a0-b0 */
|
||||
"movq 3*8*2(%1), %%mm4 \n\t" /* mm4 = b3 */
|
||||
"psubsw %%mm1, %%mm7 \n\t" /* mm7 = a0-b0 */
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm5); /* mm5 = y0 */
|
||||
movq_r2r (mm0, mm3); /* mm3 = a3 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm5\n\t" /* mm5 = y0 */
|
||||
"movq %%mm0, %%mm3 \n\t" /* mm3 = a3 */
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||||
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movq_r2m (mm2, *(col+offset+5*8)); /* save y5 */
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||||
psubsw_r2r (mm4, mm3); /* mm3 = a3-b3 */
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||||
"movq %%mm2, 5*8*2(%1)\n\t" /* save y5 */
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||||
"psubsw %%mm4, %%mm3 \n\t" /* mm3 = a3-b3 */
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm7); /* mm7 = y7 */
|
||||
paddsw_r2r (mm0, mm4); /* mm4 = a3+b3 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm7\n\t" /* mm7 = y7 */
|
||||
"paddsw %%mm0, %%mm4 \n\t" /* mm4 = a3+b3 */
|
||||
|
||||
movq_r2m (mm5, *(col+offset+0*8)); /* save y0 */
|
||||
psraw_i2r (COL_SHIFT, mm3); /* mm3 = y4 */
|
||||
"movq %%mm5, 0*8*2(%1)\n\t" /* save y0 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm3\n\t" /* mm3 = y4 */
|
||||
|
||||
movq_r2m (mm6, *(col+offset+6*8)); /* save y6 */
|
||||
psraw_i2r (COL_SHIFT, mm4); /* mm4 = y3 */
|
||||
"movq %%mm6, 6*8*2(%1)\n\t" /* save y6 */
|
||||
"psraw $" AV_STRINGIFY(COL_SHIFT) ", %%mm4\n\t" /* mm4 = y3 */
|
||||
|
||||
movq_r2m (mm7, *(col+offset+7*8)); /* save y7 */
|
||||
"movq %%mm7, 7*8*2(%1)\n\t" /* save y7 */
|
||||
|
||||
movq_r2m (mm3, *(col+offset+4*8)); /* save y4 */
|
||||
"movq %%mm3, 4*8*2(%1)\n\t" /* save y4 */
|
||||
|
||||
movq_r2m (mm4, *(col+offset+3*8)); /* save y3 */
|
||||
"movq %%mm4, 3*8*2(%1)\n\t" /* save y3 */
|
||||
:: "r" (t1_vector), "r" (col+offset)
|
||||
);
|
||||
|
||||
#undef T1
|
||||
#undef T2
|
||||
|
|
Loading…
Reference in New Issue