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authorMåns Rullgård <mans@mansr.com>2008-12-27 16:25:36 +0000
committerMåns Rullgård <mans@mansr.com>2008-12-27 16:25:36 +0000
commitedf7c2b26fde4719ed761f733afe977be31da674 (patch)
tree752c920f948e26915c58c0ed4ab4e852521168b6 /libavcodec/simple_idct.c
parent643d2e880f37e779afe9402473bd1af96c604e00 (diff)
simple_idct: use MUL16 and MAC16 from mathops.h
Originally committed as revision 16362 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/simple_idct.c')
-rw-r--r--libavcodec/simple_idct.c53
1 files changed, 17 insertions, 36 deletions
diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c
index 2f8edf83e0..2cf9e8de98 100644
--- a/libavcodec/simple_idct.c
+++ b/libavcodec/simple_idct.c
@@ -31,6 +31,7 @@
*/
#include "avcodec.h"
#include "dsputil.h"
+#include "mathops.h"
#include "simple_idct.h"
#if 0
@@ -55,26 +56,6 @@
#define COL_SHIFT 20 // 6
#endif
-#if defined(ARCH_PPC_405)
-
-/* signed 16x16 -> 32 multiply add accumulate */
-#define MAC16(rt, ra, rb) \
- __asm__ ("maclhw %0, %2, %3" : "=r" (rt) : "0" (rt), "r" (ra), "r" (rb));
-
-/* signed 16x16 -> 32 multiply */
-#define MUL16(rt, ra, rb) \
- __asm__ ("mullhw %0, %1, %2" : "=r" (rt) : "r" (ra), "r" (rb));
-
-#else
-
-/* signed 16x16 -> 32 multiply add accumulate */
-#define MAC16(rt, ra, rb) rt += (ra) * (rb)
-
-/* signed 16x16 -> 32 multiply */
-#define MUL16(rt, ra, rb) rt = (ra) * (rb)
-
-#endif
-
static inline void idctRowCondDC (DCTELEM * row)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
@@ -137,13 +118,13 @@ static inline void idctRowCondDC (DCTELEM * row)
a2 -= W6 * row[2];
a3 -= W2 * row[2];
- MUL16(b0, W1, row[1]);
+ b0 = MUL16(W1, row[1]);
MAC16(b0, W3, row[3]);
- MUL16(b1, W3, row[1]);
+ b1 = MUL16(W3, row[1]);
MAC16(b1, -W7, row[3]);
- MUL16(b2, W5, row[1]);
+ b2 = MUL16(W5, row[1]);
MAC16(b2, -W1, row[3]);
- MUL16(b3, W7, row[1]);
+ b3 = MUL16(W7, row[1]);
MAC16(b3, -W5, row[3]);
#ifdef HAVE_FAST_64BIT
@@ -197,10 +178,10 @@ static inline void idctSparseColPut (uint8_t *dest, int line_size,
a2 += - W6*col[8*2];
a3 += - W2*col[8*2];
- MUL16(b0, W1, col[8*1]);
- MUL16(b1, W3, col[8*1]);
- MUL16(b2, W5, col[8*1]);
- MUL16(b3, W7, col[8*1]);
+ b0 = MUL16(W1, col[8*1]);
+ b1 = MUL16(W3, col[8*1]);
+ b2 = MUL16(W5, col[8*1]);
+ b3 = MUL16(W7, col[8*1]);
MAC16(b0, + W3, col[8*3]);
MAC16(b1, - W7, col[8*3]);
@@ -269,10 +250,10 @@ static inline void idctSparseColAdd (uint8_t *dest, int line_size,
a2 += - W6*col[8*2];
a3 += - W2*col[8*2];
- MUL16(b0, W1, col[8*1]);
- MUL16(b1, W3, col[8*1]);
- MUL16(b2, W5, col[8*1]);
- MUL16(b3, W7, col[8*1]);
+ b0 = MUL16(W1, col[8*1]);
+ b1 = MUL16(W3, col[8*1]);
+ b2 = MUL16(W5, col[8*1]);
+ b3 = MUL16(W7, col[8*1]);
MAC16(b0, + W3, col[8*3]);
MAC16(b1, - W7, col[8*3]);
@@ -339,10 +320,10 @@ static inline void idctSparseCol (DCTELEM * col)
a2 += - W6*col[8*2];
a3 += - W2*col[8*2];
- MUL16(b0, W1, col[8*1]);
- MUL16(b1, W3, col[8*1]);
- MUL16(b2, W5, col[8*1]);
- MUL16(b3, W7, col[8*1]);
+ b0 = MUL16(W1, col[8*1]);
+ b1 = MUL16(W3, col[8*1]);
+ b2 = MUL16(W5, col[8*1]);
+ b3 = MUL16(W7, col[8*1]);
MAC16(b0, + W3, col[8*3]);
MAC16(b1, - W7, col[8*3]);