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dsputil mmi cleanup patch by (Leon van Stuivenberg <leonvs at iae dot nl>)

Browse Source 
Originally committed as revision 1076 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Leon van Stuivenberg 22 years ago committed by Michael Niedermayer
parent d6db1c9c6a
commit a09907d988
1 changed files with 28 additions and 42 deletions
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  1. 70
      libavcodec/ps2/dsputil_mmi.c

70
libavcodec/ps2/dsputil_mmi.c
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@ -22,10 +22,6 @@
#include "../dsputil.h"
#include "mmi.h"
/* the provided 'as' in binutils 2.9EE doesn't support
the EE's mips3 instructions properly */
#define AS_BUGGY
static void clear_blocks_mmi(DCTELEM * blocks)
{
@ -49,19 +45,15 @@ static void get_pixels_mmi(DCTELEM *block, const UINT8 *pixels, int line_size)
{
int i;
for(i=0;i<8;i++) {
#ifdef AS_BUGGY
ld3(5, 0, 8);
asm volatile(
"add %1, %1, %2 \n\t"
"pextlb $8, $0, $8 \n\t"
"sq $8, 0(%0) \n\t" :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
#else
asm volatile(
".set push \n\t"
".set mips3 \n\t"
"ld $8, 0(%1) \n\t"
"add %1, %1, %2 \n\t"
"pextlb $8, $0, $8 \n\t"
"sq $8, 0(%0) \n\t" :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
#endif
"sq $8, 0(%0) \n\t"
".set pop \n\t"
:: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
block += 8;
}
}
@ -71,20 +63,16 @@ static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size
{
int i;
for(i=0; i<h; i++) {
#ifdef AS_BUGGY
ldr3(5, 0, 8);
ldl3(5, 7, 8);
asm volatile ( "add $5, $5, $6 \n\t" );
sd3(8, 0, 4);
asm volatile ( "add $4, $4, $6 \n\t" );
#else
asm volatile(
".set push \n\t"
".set mips3 \n\t"
"ldr $8, 0(%1) \n\t"
"ldl $8, 7(%1) \n\t"
"add %1, %1, %2 \n\t"
"sd $8, 0(%0) \n\t"
"add %0, %0, %2 \n\t" :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
#endif
"add %0, %0, %2 \n\t"
".set pop \n\t"
:: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
}
}
@ -92,27 +80,25 @@ static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size
static void put_pixels16_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
int i;
for(i=0; i<h; i++) {
#ifdef AS_BUGGY
ldr3(5, 0, 8);
ldl3(5, 7, 8);
ldr3(5, 8, 9);
ldl3(5, 15, 9);
asm volatile ( "add $5, $5, $6 \n\t" );
pcpyld($9, $8, $8);
sq($8, 0, $4);
asm volatile ( "add $4, $4, $6 \n\t" );
#else
for(i=0; i<(h>>2); i++) {
asm volatile (
"ldr $8, 0(%1) \n\t"
"ldl $8, 7(%1) \n\t"
"ldr $9, 8(%1) \n\t"
"ldl $9, 15(%1) \n\t"
"add %1, %1, %2 \n\t"
"pcpyld $8, $9, $8 \n\t"
"sq $8, 0(%0) \n\t"
"add %0, %0, %2 \n\t" :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "$9", "memory" );
#endif
".set push \n\t"
".set mips3 \n\t"
#define PUTPIX16 \
"ldr $8, 0(%1) \n\t" \
"ldl $8, 7(%1) \n\t" \
"ldr $9, 8(%1) \n\t" \
"ldl $9, 15(%1) \n\t" \
"add %1, %1, %2 \n\t" \
"pcpyld $8, $9, $8 \n\t" \
"sq $8, 0(%0) \n\t" \
"add %0, %0, %2 \n\t"
PUTPIX16
PUTPIX16
PUTPIX16
PUTPIX16
".set pop \n\t"
:: "r" (block), "r" (pixels), "r" (line_size) : "$8", "$9", "memory" );
}
}

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