Viewing file:  pr47555.c (1.58 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2" } */
#define FILL_BACK *ptrRGB++=0; *ptrRGB++=0; *ptrRGB++=0;
void uncompact(unsigned char* ptrRGB, const unsigned int* ptrSrc, const unsigned char* ptrRGBcompact, int line, int nbPixLeft)
{
#define BIT_2_RGB32 \
if ((v & 0x00000001)){ nbPixLeft--; *ptrRGB++ = *ptrRGBcompact++; *ptrRGB++ = *ptrRGBcompact++; *ptrRGB++ = *ptrRGBcompact++; } \
else{ FILL_BACK } \
v >>= 1;
#define BIT_2_RGB16 \
if ((v16 & 0x0001)){ nbPixLeft--; *ptrRGB++ = *ptrRGBcompact++; *ptrRGB++ = *ptrRGBcompact++; *ptrRGB++ = *ptrRGBcompact++; } \
else{ FILL_BACK } \
v16 >>= 1;
int x;
unsigned int v, *ptrSrc32bits=(unsigned int*)ptrSrc;
unsigned short v16,*ptrSrc16bits;
for(x=0; x<line; x++) {
v = *ptrSrc32bits++;
BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32
BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32
BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32
BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32 BIT_2_RGB32
}
ptrSrc16bits=(unsigned short *)ptrSrc32bits;
v16 = *ptrSrc16bits++;
BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16
BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16 BIT_2_RGB16
}
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