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help some gcc version to optimize out those functions 

Originally committed as revision 9785 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2007-07-24 08:54:56 +00:00
parent 4611b64ec1
commit 73f51a4d3e
2 changed files with 8 additions and 0 deletions
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4
libavcodec/dsputil.c
View File

@ -2641,6 +2641,7 @@ static void put_mspel8_mc22_c(uint8_t *dst, uint8_t *src, int stride){
}
static void h263_v_loop_filter_c(uint8_t *src, int stride, int qscale){
if(ENABLE_ANY_H263) {
int x;
const int strength= ff_h263_loop_filter_strength[qscale];
@ -2673,9 +2674,11 @@ static void h263_v_loop_filter_c(uint8_t *src, int stride, int qscale){
src[x-2*stride] = p0 - d2;
src[x+ stride] = p3 + d2;
}
}
}
static void h263_h_loop_filter_c(uint8_t *src, int stride, int qscale){
if(ENABLE_ANY_H263) {
int y;
const int strength= ff_h263_loop_filter_strength[qscale];
@ -2708,6 +2711,7 @@ static void h263_h_loop_filter_c(uint8_t *src, int stride, int qscale){
src[y*stride-2] = p0 - d2;
src[y*stride+1] = p3 + d2;
}
}
}
static void h261_loop_filter_c(uint8_t *src, int stride){

4
libavcodec/i386/dsputil_mmx.c
View File

@ -622,6 +622,7 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
"paddb %%mm1, %%mm6 \n\t"
static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale){
if(ENABLE_ANY_H263) {
const int strength= ff_h263_loop_filter_strength[qscale];
asm volatile(
@ -638,6 +639,7 @@ static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale){
"+m" (*(uint64_t*)(src + 1*stride))
: "g" (2*strength), "m"(ff_pb_FC)
);
}
}
static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
@ -670,6 +672,7 @@ static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int
}
static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
if(ENABLE_ANY_H263) {
const int strength= ff_h263_loop_filter_strength[qscale];
uint64_t temp[4] __attribute__ ((aligned(8)));
uint8_t *btemp= (uint8_t*)temp;
@ -718,6 +721,7 @@ static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
"r" ((long) stride ),
"r" ((long)(3*stride))
);
}
}
#ifdef CONFIG_ENCODERS