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fixing memory overwrite bugs again ...

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Originally committed as revision 6606 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-06-29 20:50:11 +00:00
parent a28ea2c04d
commit d8dad2a525
1 changed files with 16 additions and 16 deletions
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32
postproc/rgb2rgb_template.c
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@ -63,13 +63,13 @@ static inline void RENAME(rgb24to32)(const uint8_t *src,uint8_t *dst,unsigned sr
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
uint8_t *mm_end;
const uint8_t *mm_end;
#endif
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = end - 23;
__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
mm_end = (uint8_t*)((((unsigned long)end)/24)*24);
while(s < mm_end)
{
__asm __volatile(
@ -114,12 +114,12 @@ static inline void RENAME(rgb32to24)(const uint8_t *src,uint8_t *dst,unsigned sr
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
uint8_t *mm_end;
const uint8_t *mm_end;
#endif
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = (uint8_t*)((((unsigned long)end)/32)*32);
mm_end = end - 31;
while(s < mm_end)
{
__asm __volatile(
@ -196,12 +196,12 @@ static inline void RENAME(rgb15to16)(const uint8_t *src,uint8_t *dst,unsigned sr
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
uint8_t *mm_end;
const uint8_t *mm_end;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s));
__asm __volatile("movq %0, %%mm4"::"m"(mask15s));
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
mm_end = end - 15;
while(s<mm_end)
{
__asm __volatile(
@ -225,7 +225,7 @@ static inline void RENAME(rgb15to16)(const uint8_t *src,uint8_t *dst,unsigned sr
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
mm_end = (uint8_t*)((((unsigned long)end)/4)*4);
mm_end = end - 3;
while(s < mm_end)
{
register unsigned x= *((uint32_t *)s);
@ -266,7 +266,7 @@ static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, unsigned
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(red_16mask),"m"(green_16mask));
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
mm_end = end - 15;
while(s < mm_end)
{
__asm __volatile(
@ -330,7 +330,7 @@ static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, unsigned
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(red_15mask),"m"(green_15mask));
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
mm_end = end - 15;
while(s < mm_end)
{
__asm __volatile(
@ -394,7 +394,7 @@ static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, unsigned
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(red_16mask),"m"(green_16mask));
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
mm_end = end - 11;
while(s < mm_end)
{
__asm __volatile(
@ -457,7 +457,7 @@ static inline void RENAME(rgb24to15)(const uint8_t *src, uint8_t *dst, unsigned
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(red_15mask),"m"(green_15mask));
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
mm_end = end - 11;
while(s < mm_end)
{
__asm __volatile(
@ -539,7 +539,7 @@ static inline void RENAME(rgb15to24)(const uint8_t *src, uint8_t *dst, unsigned
end = s + src_size/2;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = (uint16_t*)((((unsigned long)end)/8)*8);
mm_end = end - 7;
while(s < mm_end)
{
__asm __volatile(
@ -681,7 +681,7 @@ static inline void RENAME(rgb16to24)(const uint8_t *src, uint8_t *dst, unsigned
end = s + src_size/2;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = (uint16_t*)((((unsigned long)end)/8)*8);
mm_end = end - 7;
while(s < mm_end)
{
__asm __volatile(
@ -823,7 +823,7 @@ static inline void RENAME(rgb15to32)(const uint8_t *src, uint8_t *dst, unsigned
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
__asm __volatile("pxor %%mm7,%%mm7\n\t":::"memory");
mm_end = (uint16_t*)((((unsigned long)end)/4)*4);
mm_end = end - 3;
while(s < mm_end)
{
__asm __volatile(
@ -888,7 +888,7 @@ static inline void RENAME(rgb16to32)(const uint8_t *src, uint8_t *dst, unsigned
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
__asm __volatile("pxor %%mm7,%%mm7\n\t":::"memory");
mm_end = (uint16_t*)((((unsigned long)end)/4)*4);
mm_end = end - 3;
while(s < mm_end)
{
__asm __volatile(
@ -964,7 +964,7 @@ static inline void RENAME(rgb32tobgr32)(const uint8_t *src, uint8_t *dst, unsign
"addl $8, %%eax \n\t"
"cmpl %2, %%eax \n\t"
" jb 1b \n\t"
:: "r" (src), "r"(dst), "r" (src_size)
:: "r" (src), "r"(dst), "r" (src_size-7)
: "%eax"
);