uint64_t csae = 0; /* accummulators for difference */ 58 uint64_t c1 = 0,*c; 59 uint8_t *ip, *rp; /* pointers to appropriate rows */ asm("movq (%1), %%mm1 \n\t" 70 "psadbw (%2), %%mm1 \n\t" 71 "movq 8(%1), %%mm0 \n\t" 72 "psadbw 8(%2), %%mm0 \n\t" 73 "paddd %%mm0, %%mm1 \n\t" /* might use paddd for 32-bit adding */ 74 "movq 16(%1), %%mm0 \n\t" 75 "psadbw 16(%2), %%mm0 \n\t" 76 "paddd %%mm0, %%mm1 \n\t" 77 "movq 24(%1), %%mm0 \n\t" 78 "psadbw 24(%2), %%mm0 \n\t" 79 "paddd %%mm0, %%mm1 \n\t" 80 "movq %%mm1,%0 \n\t" 82 "emms \n\t" 83 : "=g" (c1) 84 : "r" (rp), "r" (ip) 85 ); Well due to this module i am getting the following error {standard input}: Assembler messages: {standard input}:4126: Error: suffix or operands invalid for `movq' {standard input}:4494: Error: suffix or operands invalid for `movq' if somebody can help thanks ankit jain ________________________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html