Commit c80d1dc2 authored by Christophe Massiot's avatar Christophe Massiot

* libmpeg2/idct_mmx.c: SSE2 IDCT, original patch by Petri Hintukainen,

   cleaned up by Diego Biurrun and Alexander Strange.
parent fd3c4820
......@@ -19,6 +19,7 @@ Other contributors include:
Ryan C. Gordon <icculus@lokigames.com> - SDL support
Peter Gubanov <peter@elecard.net.ru> - MMX IDCT scheduling
Hkan Hjort <d95hjort@dtek.chalmers.se> - Solaris fixes, mlib code
Petri Hintukainen <phintuka at users.sourceforge.net> - SSE2 IDCT
Nicolas Joly <njoly@pasteur.fr> - assorted bug fixes
Gerd Knorr <kraxel@goldbach.in-berlin.de> - Xv support
David I. Lehn <dlehn@vt.edu> - motion_comp mmx code
......
......@@ -260,6 +260,30 @@ typedef union {
#define psadbw_m2r(var,reg) mmx_m2r (psadbw, var, reg)
#define psadbw_r2r(regs,regd) mmx_r2r (psadbw, regs, regd)
/* SSE2 */
typedef union {
long long q[2]; /* Quadword (64-bit) value */
unsigned long long uq[2]; /* Unsigned Quadword */
int d[4]; /* 2 Doubleword (32-bit) values */
unsigned int ud[4]; /* 2 Unsigned Doubleword */
short w[8]; /* 4 Word (16-bit) values */
unsigned short uw[8]; /* 4 Unsigned Word */
char b[16]; /* 8 Byte (8-bit) values */
unsigned char ub[16]; /* 8 Unsigned Byte */
float s[4]; /* Single-precision (32-bit) value */
} ATTR_ALIGN(16) sse_t; /* On an 16-byte (128-bit) boundary */
#define movdqu_m2r(var,reg) mmx_m2r (movdqu, var, reg)
#define movdqu_r2m(reg,var) mmx_r2m (movdqu, reg, var)
#define movdqu_r2r(regs,regd) mmx_r2r (movdqu, regs, regd)
#define movdqa_m2r(var,reg) mmx_m2r (movdqa, var, reg)
#define movdqa_r2m(reg,var) mmx_r2m (movdqa, reg, var)
#define movdqa_r2r(regs,regd) mmx_r2r (movdqa, regs, regd)
#define pshufd_r2r(regs,regd,imm) mmx_r2ri(pshufd, regs, regd, imm)
#define pshufw_m2r(var,reg,imm) mmx_m2ri(pshufw, var, reg, imm)
#define pshufw_r2r(regs,regd,imm) mmx_r2ri(pshufw, regs, regd, imm)
......
......@@ -236,7 +236,11 @@ static void mpeg2_idct_add_c (const int last, int16_t * block,
void mpeg2_idct_init (uint32_t accel)
{
#ifdef ARCH_X86
if (accel & MPEG2_ACCEL_X86_MMXEXT) {
if (accel & MPEG2_ACCEL_X86_SSE2) {
mpeg2_idct_copy = mpeg2_idct_copy_sse2;
mpeg2_idct_add = mpeg2_idct_add_sse2;
mpeg2_idct_mmx_init ();
} else if (accel & MPEG2_ACCEL_X86_MMXEXT) {
mpeg2_idct_copy = mpeg2_idct_copy_mmxext;
mpeg2_idct_add = mpeg2_idct_add_mmxext;
mpeg2_idct_mmx_init ();
......
......@@ -37,6 +37,7 @@
#define round(bias) ((int)(((bias)+0.5) * (1<<ROW_SHIFT)))
#define rounder(bias) {round (bias), round (bias)}
#define rounder_sse2(bias) {round (bias), round (bias), round (bias), round (bias)}
#if 0
......@@ -79,6 +80,61 @@ static inline void idct_row (int16_t * row, int offset,
#endif
/* SSE2 row IDCT */
#define sse2_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \
c4, -c6, c4, -c2, \
c4, c6, -c4, -c2, \
-c4, c2, c4, -c6, \
c1, c3, c3, -c7, \
c5, -c1, c7, -c5, \
c5, c7, -c1, -c5, \
c7, c3, c3, -c1 }
#define SSE2_IDCT_2ROW(table, row1, row2, round1, round2) do { \
/* no scheduling: trust in out of order execution */ \
/* based on Intel AP-945 */ \
/* (http://cache-www.intel.com/cd/00/00/01/76/17680_w_idct.pdf) */ \
\
/* input */ /* 1: row1= x7 x5 x3 x1 x6 x4 x2 x0 */ \
pshufd_r2r (row1, xmm1, 0); /* 1: xmm1= x2 x0 x2 x0 x2 x0 x2 x0 */ \
pmaddwd_m2r (table[0], xmm1); /* 1: xmm1= x2*C + x0*C ... */ \
pshufd_r2r (row1, xmm3, 0xaa); /* 1: xmm3= x3 x1 x3 x1 x3 x1 x3 x1 */ \
pmaddwd_m2r (table[2*8], xmm3); /* 1: xmm3= x3*C + x1*C ... */ \
pshufd_r2r (row1, xmm2, 0x55); /* 1: xmm2= x6 x4 x6 x4 x6 x4 x6 x4 */ \
pshufd_r2r (row1, row1, 0xff); /* 1: row1= x7 x5 x7 x5 x7 x5 x7 x5 */ \
pmaddwd_m2r (table[1*8], xmm2); /* 1: xmm2= x6*C + x4*C ... */ \
paddd_m2r (round1, xmm1); /* 1: xmm1= x2*C + x0*C + round ... */ \
pmaddwd_m2r (table[3*8], row1); /* 1: row1= x7*C + x5*C ... */ \
pshufd_r2r (row2, xmm5, 0); /* 2: */ \
pshufd_r2r (row2, xmm6, 0x55); /* 2: */ \
pmaddwd_m2r (table[0], xmm5); /* 2: */ \
paddd_r2r (xmm2, xmm1); /* 1: xmm1= a[] */ \
movdqa_r2r (xmm1, xmm2); /* 1: xmm2= a[] */ \
pshufd_r2r (row2, xmm7, 0xaa); /* 2: */ \
pmaddwd_m2r (table[1*8], xmm6); /* 2: */ \
paddd_r2r (xmm3, row1); /* 1: row1= b[]= 7*C+5*C+3*C+1*C ... */ \
pshufd_r2r (row2, row2, 0xff); /* 2: */ \
psubd_r2r (row1, xmm2); /* 1: xmm2= a[] - b[] */ \
pmaddwd_m2r (table[2*8], xmm7); /* 2: */ \
paddd_r2r (xmm1, row1); /* 1: row1= a[] + b[] */ \
psrad_i2r (ROW_SHIFT, xmm2); /* 1: xmm2= result 4...7 */ \
paddd_m2r (round2, xmm5); /* 2: */ \
pmaddwd_m2r (table[3*8], row2); /* 2: */ \
paddd_r2r (xmm6, xmm5); /* 2: */ \
movdqa_r2r (xmm5, xmm6); /* 2: */ \
psrad_i2r (ROW_SHIFT, row1); /* 1: row1= result 0...4 */ \
pshufd_r2r (xmm2, xmm2, 0x1b); /* 1: [0 1 2 3] -> [3 2 1 0] */ \
packssdw_r2r (xmm2, row1); /* 1: row1= result[] */ \
paddd_r2r (xmm7, row2); /* 2: */ \
psubd_r2r (row2, xmm6); /* 2: */ \
paddd_r2r (xmm5, row2); /* 2: */ \
psrad_i2r (ROW_SHIFT, xmm6); /* 2: */ \
psrad_i2r (ROW_SHIFT, row2); /* 2: */ \
pshufd_r2r (xmm6, xmm6, 0x1b); /* 2: */ \
packssdw_r2r (xmm6, row2); /* 2: */ \
} while (0)
/* MMXEXT row IDCT */
#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \
......@@ -396,14 +452,264 @@ static inline void idct_col (int16_t * col, int offset)
#endif
/* MMX column IDCT */
static inline void idct_col (int16_t * const col, const int offset)
{
#define T1 13036
#define T2 27146
#define T3 43790
#define C4 23170
/* SSE2 column IDCT */
static inline void sse2_idct_col (int16_t * const col)
{
/* Almost identical to mmxext version: */
/* just do both 4x8 columns in paraller */
static const short t1_vector[] ATTR_ALIGN(16) = {T1,T1,T1,T1,T1,T1,T1,T1};
static const short t2_vector[] ATTR_ALIGN(16) = {T2,T2,T2,T2,T2,T2,T2,T2};
static const short t3_vector[] ATTR_ALIGN(16) = {T3,T3,T3,T3,T3,T3,T3,T3};
static const short c4_vector[] ATTR_ALIGN(16) = {C4,C4,C4,C4,C4,C4,C4,C4};
#if defined(__x86_64__)
/* INPUT: block in xmm8 ... xmm15 */
movdqa_m2r (*t1_vector, xmm0); /* xmm0 = T1 */
movdqa_r2r (xmm9, xmm1); /* xmm1 = x1 */
movdqa_r2r (xmm0, xmm2); /* xmm2 = T1 */
pmulhw_r2r (xmm1, xmm0); /* xmm0 = T1*x1 */
movdqa_m2r (*t3_vector, xmm5); /* xmm5 = T3 */
pmulhw_r2r (xmm15, xmm2); /* xmm2 = T1*x7 */
movdqa_r2r (xmm5, xmm7); /* xmm7 = T3-1 */
psubsw_r2r (xmm15, xmm0); /* xmm0 = v17 */
movdqa_m2r (*t2_vector, xmm9); /* xmm9 = T2 */
pmulhw_r2r (xmm11, xmm5); /* xmm5 = (T3-1)*x3 */
paddsw_r2r (xmm2, xmm1); /* xmm1 = u17 */
pmulhw_r2r (xmm13, xmm7); /* xmm7 = (T3-1)*x5 */
movdqa_r2r (xmm9, xmm2); /* xmm2 = T2 */
paddsw_r2r (xmm11, xmm5); /* xmm5 = T3*x3 */
pmulhw_r2r (xmm10, xmm9); /* xmm9 = T2*x2 */
paddsw_r2r (xmm13, xmm7); /* xmm7 = T3*x5 */
psubsw_r2r (xmm13, xmm5); /* xmm5 = v35 */
paddsw_r2r (xmm11, xmm7); /* xmm7 = u35 */
movdqa_r2r (xmm0, xmm6); /* xmm6 = v17 */
pmulhw_r2r (xmm14, xmm2); /* xmm2 = T2*x6 */
psubsw_r2r (xmm5, xmm0); /* xmm0 = b3 */
psubsw_r2r (xmm14, xmm9); /* xmm9 = v26 */
paddsw_r2r (xmm6, xmm5); /* xmm5 = v12 */
movdqa_r2r (xmm0, xmm11); /* xmm11 = b3 */
movdqa_r2r (xmm1, xmm6); /* xmm6 = u17 */
paddsw_r2r (xmm10, xmm2); /* xmm2 = u26 */
paddsw_r2r (xmm7, xmm6); /* xmm6 = b0 */
psubsw_r2r (xmm7, xmm1); /* xmm1 = u12 */
movdqa_r2r (xmm1, xmm7); /* xmm7 = u12 */
paddsw_r2r (xmm5, xmm1); /* xmm1 = u12+v12 */
movdqa_m2r (*c4_vector, xmm0); /* xmm0 = C4/2 */
psubsw_r2r (xmm5, xmm7); /* xmm7 = u12-v12 */
movdqa_r2r (xmm6, xmm4); /* xmm4 = b0 */
pmulhw_r2r (xmm0, xmm1); /* xmm1 = b1/2 */
movdqa_r2r (xmm9, xmm6); /* xmm6 = v26 */
pmulhw_r2r (xmm0, xmm7); /* xmm7 = b2/2 */
movdqa_r2r (xmm8, xmm10); /* xmm10 = x0 */
movdqa_r2r (xmm8, xmm0); /* xmm0 = x0 */
psubsw_r2r (xmm12, xmm10); /* xmm10 = v04 */
paddsw_r2r (xmm12, xmm0); /* xmm0 = u04 */
paddsw_r2r (xmm10, xmm9); /* xmm9 = a1 */
movdqa_r2r (xmm0, xmm8); /* xmm8 = u04 */
psubsw_r2r (xmm6, xmm10); /* xmm10 = a2 */
paddsw_r2r (xmm2, xmm8); /* xmm5 = a0 */
paddsw_r2r (xmm1, xmm1); /* xmm1 = b1 */
psubsw_r2r (xmm2, xmm0); /* xmm0 = a3 */
paddsw_r2r (xmm7, xmm7); /* xmm7 = b2 */
movdqa_r2r (xmm10, xmm13); /* xmm13 = a2 */
movdqa_r2r (xmm9, xmm14); /* xmm14 = a1 */
paddsw_r2r (xmm7, xmm10); /* xmm10 = a2+b2 */
psraw_i2r (COL_SHIFT,xmm10); /* xmm10 = y2 */
paddsw_r2r (xmm1, xmm9); /* xmm9 = a1+b1 */
psraw_i2r (COL_SHIFT, xmm9); /* xmm9 = y1 */
psubsw_r2r (xmm1, xmm14); /* xmm14 = a1-b1 */
psubsw_r2r (xmm7, xmm13); /* xmm13 = a2-b2 */
psraw_i2r (COL_SHIFT,xmm14); /* xmm14 = y6 */
movdqa_r2r (xmm8, xmm15); /* xmm15 = a0 */
psraw_i2r (COL_SHIFT,xmm13); /* xmm13 = y5 */
paddsw_r2r (xmm4, xmm8); /* xmm8 = a0+b0 */
psubsw_r2r (xmm4, xmm15); /* xmm15 = a0-b0 */
psraw_i2r (COL_SHIFT, xmm8); /* xmm8 = y0 */
movdqa_r2r (xmm0, xmm12); /* xmm12 = a3 */
psubsw_r2r (xmm11, xmm12); /* xmm12 = a3-b3 */
psraw_i2r (COL_SHIFT,xmm15); /* xmm15 = y7 */
paddsw_r2r (xmm0, xmm11); /* xmm11 = a3+b3 */
psraw_i2r (COL_SHIFT,xmm12); /* xmm12 = y4 */
psraw_i2r (COL_SHIFT,xmm11); /* xmm11 = y3 */
/* OUTPUT: block in xmm8 ... xmm15 */
#else
movdqa_m2r (*t1_vector, xmm0); /* xmm0 = T1 */
movdqa_m2r (*(col+1*8), xmm1); /* xmm1 = x1 */
movdqa_r2r (xmm0, xmm2); /* xmm2 = T1 */
movdqa_m2r (*(col+7*8), xmm4); /* xmm4 = x7 */
pmulhw_r2r (xmm1, xmm0); /* xmm0 = T1*x1 */
movdqa_m2r (*t3_vector, xmm5); /* xmm5 = T3 */
pmulhw_r2r (xmm4, xmm2); /* xmm2 = T1*x7 */
movdqa_m2r (*(col+5*8), xmm6); /* xmm6 = x5 */
movdqa_r2r (xmm5, xmm7); /* xmm7 = T3-1 */
movdqa_m2r (*(col+3*8), xmm3); /* xmm3 = x3 */
psubsw_r2r (xmm4, xmm0); /* xmm0 = v17 */
movdqa_m2r (*t2_vector, xmm4); /* xmm4 = T2 */
pmulhw_r2r (xmm3, xmm5); /* xmm5 = (T3-1)*x3 */
paddsw_r2r (xmm2, xmm1); /* xmm1 = u17 */
pmulhw_r2r (xmm6, xmm7); /* xmm7 = (T3-1)*x5 */
/* slot */
movdqa_r2r (xmm4, xmm2); /* xmm2 = T2 */
paddsw_r2r (xmm3, xmm5); /* xmm5 = T3*x3 */
pmulhw_m2r (*(col+2*8), xmm4); /* xmm4 = T2*x2 */
paddsw_r2r (xmm6, xmm7); /* xmm7 = T3*x5 */
psubsw_r2r (xmm6, xmm5); /* xmm5 = v35 */
paddsw_r2r (xmm3, xmm7); /* xmm7 = u35 */
movdqa_m2r (*(col+6*8), xmm3); /* xmm3 = x6 */
movdqa_r2r (xmm0, xmm6); /* xmm6 = v17 */
pmulhw_r2r (xmm3, xmm2); /* xmm2 = T2*x6 */
psubsw_r2r (xmm5, xmm0); /* xmm0 = b3 */
psubsw_r2r (xmm3, xmm4); /* xmm4 = v26 */
paddsw_r2r (xmm6, xmm5); /* xmm5 = v12 */
movdqa_r2m (xmm0, *(col+3*8)); /* save b3 in scratch0 */
movdqa_r2r (xmm1, xmm6); /* xmm6 = u17 */
paddsw_m2r (*(col+2*8), xmm2); /* xmm2 = u26 */
paddsw_r2r (xmm7, xmm6); /* xmm6 = b0 */
psubsw_r2r (xmm7, xmm1); /* xmm1 = u12 */
movdqa_r2r (xmm1, xmm7); /* xmm7 = u12 */
movdqa_m2r (*(col+0*8), xmm3); /* xmm3 = x0 */
paddsw_r2r (xmm5, xmm1); /* xmm1 = u12+v12 */
movdqa_m2r (*c4_vector, xmm0); /* xmm0 = C4/2 */
psubsw_r2r (xmm5, xmm7); /* xmm7 = u12-v12 */
movdqa_r2m (xmm6, *(col+5*8)); /* save b0 in scratch1 */
pmulhw_r2r (xmm0, xmm1); /* xmm1 = b1/2 */
movdqa_r2r (xmm4, xmm6); /* xmm6 = v26 */
pmulhw_r2r (xmm0, xmm7); /* xmm7 = b2/2 */
movdqa_m2r (*(col+4*8), xmm5); /* xmm5 = x4 */
movdqa_r2r (xmm3, xmm0); /* xmm0 = x0 */
psubsw_r2r (xmm5, xmm3); /* xmm3 = v04 */
paddsw_r2r (xmm5, xmm0); /* xmm0 = u04 */
paddsw_r2r (xmm3, xmm4); /* xmm4 = a1 */
movdqa_r2r (xmm0, xmm5); /* xmm5 = u04 */
psubsw_r2r (xmm6, xmm3); /* xmm3 = a2 */
paddsw_r2r (xmm2, xmm5); /* xmm5 = a0 */
paddsw_r2r (xmm1, xmm1); /* xmm1 = b1 */
psubsw_r2r (xmm2, xmm0); /* xmm0 = a3 */
paddsw_r2r (xmm7, xmm7); /* xmm7 = b2 */
movdqa_r2r (xmm3, xmm2); /* xmm2 = a2 */
movdqa_r2r (xmm4, xmm6); /* xmm6 = a1 */
paddsw_r2r (xmm7, xmm3); /* xmm3 = a2+b2 */
psraw_i2r (COL_SHIFT, xmm3); /* xmm3 = y2 */
paddsw_r2r (xmm1, xmm4); /* xmm4 = a1+b1 */
psraw_i2r (COL_SHIFT, xmm4); /* xmm4 = y1 */
psubsw_r2r (xmm1, xmm6); /* xmm6 = a1-b1 */
movdqa_m2r (*(col+5*8), xmm1); /* xmm1 = b0 */
psubsw_r2r (xmm7, xmm2); /* xmm2 = a2-b2 */
psraw_i2r (COL_SHIFT, xmm6); /* xmm6 = y6 */
movdqa_r2r (xmm5, xmm7); /* xmm7 = a0 */
movdqa_r2m (xmm4, *(col+1*8)); /* save y1 */
psraw_i2r (COL_SHIFT, xmm2); /* xmm2 = y5 */
movdqa_r2m (xmm3, *(col+2*8)); /* save y2 */
paddsw_r2r (xmm1, xmm5); /* xmm5 = a0+b0 */
movdqa_m2r (*(col+3*8), xmm4); /* xmm4 = b3 */
psubsw_r2r (xmm1, xmm7); /* xmm7 = a0-b0 */
psraw_i2r (COL_SHIFT, xmm5); /* xmm5 = y0 */
movdqa_r2r (xmm0, xmm3); /* xmm3 = a3 */
movdqa_r2m (xmm2, *(col+5*8)); /* save y5 */
psubsw_r2r (xmm4, xmm3); /* xmm3 = a3-b3 */
psraw_i2r (COL_SHIFT, xmm7); /* xmm7 = y7 */
paddsw_r2r (xmm0, xmm4); /* xmm4 = a3+b3 */
movdqa_r2m (xmm5, *(col+0*8)); /* save y0 */
psraw_i2r (COL_SHIFT, xmm3); /* xmm3 = y4 */
movdqa_r2m (xmm6, *(col+6*8)); /* save y6 */
psraw_i2r (COL_SHIFT, xmm4); /* xmm4 = y3 */
movdqa_r2m (xmm7, *(col+7*8)); /* save y7 */
movdqa_r2m (xmm3, *(col+4*8)); /* save y4 */
movdqa_r2m (xmm4, *(col+3*8)); /* save y3 */
#endif
}
/* MMX column IDCT */
static inline void idct_col (int16_t * const col, const int offset)
{
static const short t1_vector[] ATTR_ALIGN(8) = {T1,T1,T1,T1};
static const short t2_vector[] ATTR_ALIGN(8) = {T2,T2,T2,T2};
static const short t3_vector[] ATTR_ALIGN(8) = {T3,T3,T3,T3};
......@@ -592,6 +898,129 @@ static inline void idct (int16_t * const block) \
idct_col (block, 4); \
}
static inline void sse2_idct (int16_t * const block)
{
static const int16_t table04[] ATTR_ALIGN(16) =
sse2_table (22725, 21407, 19266, 16384, 12873, 8867, 4520);
static const int16_t table17[] ATTR_ALIGN(16) =
sse2_table (31521, 29692, 26722, 22725, 17855, 12299, 6270);
static const int16_t table26[] ATTR_ALIGN(16) =
sse2_table (29692, 27969, 25172, 21407, 16819, 11585, 5906);
static const int16_t table35[] ATTR_ALIGN(16) =
sse2_table (26722, 25172, 22654, 19266, 15137, 10426, 5315);
static const int32_t rounder0_128[] ATTR_ALIGN(16) =
rounder_sse2 ((1 << (COL_SHIFT - 1)) - 0.5);
static const int32_t rounder4_128[] ATTR_ALIGN(16) = rounder_sse2 (0);
static const int32_t rounder1_128[] ATTR_ALIGN(16) =
rounder_sse2 (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */
static const int32_t rounder7_128[] ATTR_ALIGN(16) =
rounder_sse2 (-0.25); /* C1*(C7/C4+C7-C1)/2 */
static const int32_t rounder2_128[] ATTR_ALIGN(16) =
rounder_sse2 (0.60355339059); /* C2 * (C6+C2)/2 */
static const int32_t rounder6_128[] ATTR_ALIGN(16) =
rounder_sse2 (-0.25); /* C2 * (C6-C2)/2 */
static const int32_t rounder3_128[] ATTR_ALIGN(16) =
rounder_sse2 (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */
static const int32_t rounder5_128[] ATTR_ALIGN(16) =
rounder_sse2 (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */
#if defined(__x86_64__)
movdqa_m2r (block[0*8], xmm8);
movdqa_m2r (block[4*8], xmm12);
SSE2_IDCT_2ROW (table04, xmm8, xmm12, *rounder0_128, *rounder4_128);
movdqa_m2r (block[1*8], xmm9);
movdqa_m2r (block[7*8], xmm15);
SSE2_IDCT_2ROW (table17, xmm9, xmm15, *rounder1_128, *rounder7_128);
movdqa_m2r (block[2*8], xmm10);
movdqa_m2r (block[6*8], xmm14);
SSE2_IDCT_2ROW (table26, xmm10, xmm14, *rounder2_128, *rounder6_128);
movdqa_m2r (block[3*8], xmm11);
movdqa_m2r (block[5*8], xmm13);
SSE2_IDCT_2ROW (table35, xmm11, xmm13, *rounder3_128, *rounder5_128);
/* OUTPUT: block in xmm8 ... xmm15 */
#else
movdqa_m2r (block[0*8], xmm0);
movdqa_m2r (block[4*8], xmm4);
SSE2_IDCT_2ROW (table04, xmm0, xmm4, *rounder0_128, *rounder4_128);
movdqa_r2m (xmm0, block[0*8]);
movdqa_r2m (xmm4, block[4*8]);
movdqa_m2r (block[1*8], xmm0);
movdqa_m2r (block[7*8], xmm4);
SSE2_IDCT_2ROW (table17, xmm0, xmm4, *rounder1_128, *rounder7_128);
movdqa_r2m (xmm0, block[1*8]);
movdqa_r2m (xmm4, block[7*8]);
movdqa_m2r (block[2*8], xmm0);
movdqa_m2r (block[6*8], xmm4);
SSE2_IDCT_2ROW (table26, xmm0, xmm4, *rounder2_128, *rounder6_128);
movdqa_r2m (xmm0, block[2*8]);
movdqa_r2m (xmm4, block[6*8]);
movdqa_m2r (block[3*8], xmm0);
movdqa_m2r (block[5*8], xmm4);
SSE2_IDCT_2ROW (table35, xmm0, xmm4, *rounder3_128, *rounder5_128);
movdqa_r2m (xmm0, block[3*8]);
movdqa_r2m (xmm4, block[5*8]);
#endif
sse2_idct_col (block);
}
static void sse2_block_copy (int16_t * const block, uint8_t * dest,
const int stride)
{
#if defined(__x86_64__)
/* INPUT: block in xmm8 ... xmm15 */
packuswb_r2r (xmm8, xmm8);
packuswb_r2r (xmm9, xmm9);
movq_r2m (xmm8, *(dest+0*stride));
packuswb_r2r (xmm10, xmm10);
movq_r2m (xmm9, *(dest+1*stride));
packuswb_r2r (xmm11, xmm11);
movq_r2m (xmm10, *(dest+2*stride));
packuswb_r2r (xmm12, xmm12);
movq_r2m (xmm11, *(dest+3*stride));
packuswb_r2r (xmm13, xmm13);
movq_r2m (xmm12, *(dest+4*stride));
packuswb_r2r (xmm14, xmm14);
movq_r2m (xmm13, *(dest+5*stride));
packuswb_r2r (xmm15, xmm15);
movq_r2m (xmm14, *(dest+6*stride));
movq_r2m (xmm15, *(dest+7*stride));
#else
movdqa_m2r (*(block+0*8), xmm0);
movdqa_m2r (*(block+1*8), xmm1);
movdqa_m2r (*(block+2*8), xmm2);
packuswb_r2r (xmm0, xmm0);
movdqa_m2r (*(block+3*8), xmm3);
packuswb_r2r (xmm1, xmm1);
movdqa_m2r (*(block+4*8), xmm4);
packuswb_r2r (xmm2, xmm2);
movdqa_m2r (*(block+5*8), xmm5);
packuswb_r2r (xmm3, xmm3);
movdqa_m2r (*(block+6*8), xmm6);
packuswb_r2r (xmm4, xmm4);
movdqa_m2r (*(block+7*8), xmm7);
movq_r2m (xmm0, *(dest+0*stride));
packuswb_r2r (xmm5, xmm5);
movq_r2m (xmm1, *(dest+1*stride));
packuswb_r2r (xmm6, xmm6);
movq_r2m (xmm2, *(dest+2*stride));
packuswb_r2r (xmm7, xmm7);
movq_r2m (xmm3, *(dest+3*stride));
movq_r2m (xmm4, *(dest+4*stride));
movq_r2m (xmm5, *(dest+5*stride));
movq_r2m (xmm6, *(dest+6*stride));
movq_r2m (xmm7, *(dest+7*stride));
#endif
}
#define COPY_MMX(offset,r0,r1,r2) \
do { \
......@@ -621,6 +1050,38 @@ static inline void block_copy (int16_t * const block, uint8_t * dest,
movq_r2m (mm2, *(dest+stride));
}
#define ADD_SSE2_2ROW(op, block0, block1)\
do { \
movq_m2r (*(dest), xmm1); \
movq_m2r (*(dest+stride), xmm2); \
punpcklbw_r2r (xmm0, xmm1); \
punpcklbw_r2r (xmm0, xmm2); \
paddsw_##op (block0, xmm1); \
paddsw_##op (block1, xmm2); \
packuswb_r2r (xmm1, xmm1); \
packuswb_r2r (xmm2, xmm2); \
movq_r2m (xmm1, *(dest)); \
movq_r2m (xmm2, *(dest+stride)); \
dest += 2*stride; \
} while (0)
static void sse2_block_add (int16_t * const block, uint8_t * dest,
const int stride)
{
pxor_r2r(xmm0, xmm0);
#if defined(__x86_64__)
/* INPUT: block in xmm8 ... xmm15 */
ADD_SSE2_2ROW(r2r, xmm8, xmm9);
ADD_SSE2_2ROW(r2r, xmm10, xmm11);
ADD_SSE2_2ROW(r2r, xmm12, xmm13);
ADD_SSE2_2ROW(r2r, xmm14, xmm15);
#else
ADD_SSE2_2ROW(m2r, *(block+0*8), *(block+1*8));
ADD_SSE2_2ROW(m2r, *(block+2*8), *(block+3*8));
ADD_SSE2_2ROW(m2r, *(block+4*8), *(block+5*8));
ADD_SSE2_2ROW(m2r, *(block+6*8), *(block+7*8));
#endif
}
#define ADD_MMX(offset,r1,r2,r3,r4) \
do { \
......@@ -664,6 +1125,19 @@ static inline void block_add (int16_t * const block, uint8_t * dest,
}
static inline void sse2_block_zero (int16_t * const block)
{
pxor_r2r (xmm0, xmm0);
movdqa_r2m (xmm0, *(block+0*8));
movdqa_r2m (xmm0, *(block+1*8));
movdqa_r2m (xmm0, *(block+2*8));
movdqa_r2m (xmm0, *(block+3*8));
movdqa_r2m (xmm0, *(block+4*8));
movdqa_r2m (xmm0, *(block+5*8));
movdqa_r2m (xmm0, *(block+6*8));
movdqa_r2m (xmm0, *(block+7*8));
}
static inline void block_zero (int16_t * const block)
{
pxor_r2r (mm0, mm0);
......@@ -748,6 +1222,25 @@ static inline void block_add_DC (int16_t * const block, uint8_t * dest,
movq_r2m (mm3, *(dest + 2*stride));
}
void mpeg2_idct_copy_sse2 (int16_t * const block, uint8_t * const dest,
const int stride)
{
sse2_idct (block);
sse2_block_copy (block, dest, stride);
sse2_block_zero (block);
}
void mpeg2_idct_add_sse2 (const int last, int16_t * const block,
uint8_t * const dest, const int stride)
{
if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) {
sse2_idct (block);
sse2_block_add (block, dest, stride);
sse2_block_zero (block);
} else
block_add_DC (block, dest, stride, CPU_MMXEXT);
}
declare_idct (mmxext_idct, mmxext_table,
mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid)
......
......@@ -262,6 +262,9 @@ void mpeg2_set_fbuf (mpeg2dec_t * mpeg2dec, int b_type);
void mpeg2_idct_init (uint32_t accel);
/* idct_mmx.c */
void mpeg2_idct_copy_sse2 (int16_t * block, uint8_t * dest, int stride);
void mpeg2_idct_add_sse2 (int last, int16_t * block,
uint8_t * dest, int stride);
void mpeg2_idct_copy_mmxext (int16_t * block, uint8_t * dest, int stride);
void mpeg2_idct_add_mmxext (int last, int16_t * block,
uint8_t * dest, int stride);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment