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authorStephen Torri <storri@users.sourceforge.net>2002-10-22 06:03:44 +0000
committerStephen Torri <storri@users.sourceforge.net>2002-10-22 06:03:44 +0000
commitaa2c97288d8fcfe78801cbfc65305dc8595c977e (patch)
tree1a15e4a82dd71badfdad244a2f488481ee3a32b5
parent60c074b3cac6fc611f5b9ccd3df0a0a57d2de4ec (diff)
downloadxine-lib-aa2c97288d8fcfe78801cbfc65305dc8595c977e.tar.gz
xine-lib-aa2c97288d8fcfe78801cbfc65305dc8595c977e.tar.bz2
Changed comments to standard /* ... */
Changed 'asm' to __asm__ CVS patchset: 2931 CVS date: 2002/10/22 06:03:44
-rw-r--r--src/libffmpeg/libavcodec/i386/simple_idct_mmx.c122
1 files changed, 61 insertions, 61 deletions
diff --git a/src/libffmpeg/libavcodec/i386/simple_idct_mmx.c b/src/libffmpeg/libavcodec/i386/simple_idct_mmx.c
index 4f19cc20a..67b614fa3 100644
--- a/src/libffmpeg/libavcodec/i386/simple_idct_mmx.c
+++ b/src/libffmpeg/libavcodec/i386/simple_idct_mmx.c
@@ -29,49 +29,49 @@
8866.956905
4520.335430
*/
-#define C0 23170 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define C1 22725 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define C2 21407 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define C3 19266 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define C0 23170 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+#define C1 22725 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+#define C2 21407 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+#define C3 19266 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
#if 0
-#define C4 16384 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define C4 16384 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
#else
-#define C4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5
+#define C4 16383 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5 */
#endif
-#define C5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define C6 8867 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
-#define C7 4520 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define C5 12873 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+#define C6 8867 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+#define C7 4520 /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
#define ROW_SHIFT 11
-#define COL_SHIFT 20 // 6
+#define COL_SHIFT 20 /* 6 */
static const uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000ULL;
static const uint64_t __attribute__((aligned(8))) d40000= 0x0000000000040000ULL;
static int16_t __attribute__((aligned(8))) temp[64];
static int16_t __attribute__((aligned(8))) coeffs[]= {
1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,
-// 1<<(COL_SHIFT-1), 0, 1<<(COL_SHIFT-1), 0,
-// 0, 1<<(COL_SHIFT-1-16), 0, 1<<(COL_SHIFT-1-16),
+/* 1<<(COL_SHIFT-1), 0, 1<<(COL_SHIFT-1), 0, */
+/* 0, 1<<(COL_SHIFT-1-16), 0, 1<<(COL_SHIFT-1-16), */
1<<(ROW_SHIFT-1), 1, 1<<(ROW_SHIFT-1), 0,
- // the 1 = ((1<<(COL_SHIFT-1))/C4)<<ROW_SHIFT :)
-// 0, 0, 0, 0,
-// 0, 0, 0, 0,
+/* the 1 = ((1<<(COL_SHIFT-1))/C4)<<ROW_SHIFT :) */
+/* 0, 0, 0, 0, */
+/* 0, 0, 0, 0, */
C4, C4, C4, C4,
C4, -C4, C4, -C4,
-
+
C2, C6, C2, C6,
C6, -C2, C6, -C2,
-
+
C1, C3, C1, C3,
C5, C7, C5, C7,
-
+
C3, -C7, C3, -C7,
-C1, -C5, -C1, -C5,
-
+
C5, -C1, C5, -C1,
C7, C3, C7, C3,
-
+
C7, -C5, C7, -C5,
C3, -C1, C3, -C1
};
@@ -93,14 +93,14 @@ static void inline idctCol (int16_t * col, int16_t *input)
#undef C6
#undef C7
int a0, a1, a2, a3, b0, b1, b2, b3;
- const int C0 = 23170; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C1 = 22725; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C2 = 21407; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C3 = 19266; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C4 = 16383; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C5 = 12873; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C6 = 8867; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C7 = 4520; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+ const int C0 = 23170; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C1 = 22725; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C2 = 21407; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C3 = 19266; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C4 = 16383; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C5 = 12873; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C6 = 8867; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C7 = 4520; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
/*
if( !(col[8*1] | col[8*2] |col[8*3] |col[8*4] |col[8*5] |col[8*6] | col[8*7])) {
col[8*0] = col[8*1] = col[8*2] = col[8*3] = col[8*4] =
@@ -142,14 +142,14 @@ static void inline idctRow (int16_t * output, int16_t * input)
int16_t row[8];
int a0, a1, a2, a3, b0, b1, b2, b3;
- const int C0 = 23170; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C1 = 22725; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C2 = 21407; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C3 = 19266; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C4 = 16383; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C5 = 12873; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C6 = 8867; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
- const int C7 = 4520; //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+ const int C0 = 23170; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C1 = 22725; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C2 = 21407; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C3 = 19266; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C4 = 16383; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C5 = 12873; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C6 = 8867; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
+ const int C7 = 4520; /* cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 */
row[0] = input[0];
row[2] = input[1];
@@ -206,8 +206,8 @@ row[7] = input[13];
static inline void idct(int16_t *block)
{
- asm volatile(
-#if 0 //Alternative, simpler variant
+ __asm__ volatile(
+#if 0 /* Alternative, simpler variant */
#define ROW_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
"movq " #src0 ", %%mm0 \n\t" /* R4 R0 r4 r0 */\
@@ -353,7 +353,7 @@ static inline void idct(int16_t *block)
"movd %%mm4, 64+" #dst " \n\t"\
"movd %%mm5, 80+" #dst " \n\t"\
-
+
#define DC_COND_ROW_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
"movq " #src0 ", %%mm0 \n\t" /* R4 R0 r4 r0 */\
"movq " #src4 ", %%mm1 \n\t" /* R6 R2 r6 r2 */\
@@ -443,7 +443,7 @@ static inline void idct(int16_t *block)
"2: \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
ROW_IDCT( (%0), 8(%0), 16(%0), 24(%0), 0(%1),paddd 8(%2), 11)
/*ROW_IDCT( 32(%0), 40(%0), 48(%0), 56(%0), 32(%1), paddd (%2), 11)
ROW_IDCT( 64(%0), 72(%0), 80(%0), 88(%0), 64(%1), paddd (%2), 11)
@@ -454,7 +454,7 @@ DC_COND_ROW_IDCT( 64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11)
DC_COND_ROW_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11)
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
COL_IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
COL_IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
COL_IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -694,7 +694,7 @@ COL_IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
"packssdw %%mm0, %%mm4 \n\t" /* A2-B2 a2-b2 A3-B3 a3-b3 */\
"movq %%mm4, 16+" #dst " \n\t"\
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
DC_COND_IDCT( 0(%0), 8(%0), 16(%0), 24(%0), 0(%1),paddd 8(%2), 11)
Z_COND_IDCT( 32(%0), 40(%0), 48(%0), 56(%0), 32(%1),paddd (%2), 11, 4f)
Z_COND_IDCT( 64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11, 2f)
@@ -778,7 +778,7 @@ Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 1f)
"movd %%mm5, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -853,9 +853,9 @@ Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 5f)
"packssdw %%mm5, %%mm5 \n\t" /* A2-B2 a2-b2 */\
"movd %%mm6, 48+" #dst " \n\t"\
"movd %%mm1, 64+" #dst " \n\t"\
- "movd %%mm5, 80+" #dst " \n\t"
+ "movd %%mm5, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -920,10 +920,10 @@ Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 7f)
"packssdw %%mm5, %%mm5 \n\t" /* A2-B2 a2-b2 */\
"movd %%mm6, 48+" #dst " \n\t"\
"movd %%mm1, 64+" #dst " \n\t"\
- "movd %%mm5, 80+" #dst " \n\t"
+ "movd %%mm5, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -1002,7 +1002,7 @@ Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 3f)
"movd %%mm4, 64+" #dst " \n\t"\
"movd %%mm5, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -1068,7 +1068,7 @@ IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
"movd %%mm5, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -1133,14 +1133,14 @@ IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
"packssdw %%mm1, %%mm6 \n\t" /* A3+B3 a3+b3 */\
"movq %%mm6, 48+" #dst " \n\t"\
"movq %%mm6, 64+" #dst " \n\t"\
- "movq %%mm5, 80+" #dst " \n\t"
-
+ "movq %%mm5, 80+" #dst " \n\t"
+
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
-//IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
+/* IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20) */
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
-//IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
+/* IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20) */
"jmp 9f \n\t"
@@ -1210,9 +1210,9 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
"packssdw %%mm5, %%mm5 \n\t" /* A2-B2 a2-b2 */\
"movd %%mm4, 64+" #dst " \n\t"\
"movd %%mm5, 80+" #dst " \n\t"
-
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
@@ -1252,13 +1252,13 @@ IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
"movq %%mm0, 32+" #dst " \n\t"\
"movq %%mm4, 48+" #dst " \n\t"\
"movq %%mm4, 64+" #dst " \n\t"\
- "movq %%mm0, 80+" #dst " \n\t"
+ "movq %%mm0, 80+" #dst " \n\t"
-//IDCT( src0, src4, src1, src5, dst, rounder, shift)
+/* IDCT( src0, src4, src1, src5, dst, rounder, shift) */
IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0),/nop, 20)
-//IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20)
+/* IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0),/nop, 20) */
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0),/nop, 20)
-//IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20)
+/* IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0),/nop, 20) */
#endif
@@ -1273,7 +1273,7 @@ Input
12 32 16 36 52 72 56 76
05 45 07 47 25 65 27 67
15 35 17 37 55 75 57 77
-
+
Temp
00 04 10 14 20 24 30 34
40 44 50 54 60 64 70 74