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One pointer is said to alias another pointer when both refer to the same location or object. In this example, 0uint32_t 1swap_words( uint32_t arg ) 2{ 3 uint16_t* const sp = (uint16_t*)&arg; 4 uint16_t hi = sp[0]; 5 uint16_t lo = sp[1]; 6 7 sp[1] = hi; 8 sp[0] = lo; 9 10 return (arg); 11} The memory referred to by sp is an alias of arg because they refer to the same address in memory. In C99, it i
CellPerformance Sharing tips and experience with the cell processor, performance, data design and game programming. Recently I've been doing some presentations as well as just general sketches of some things I've been thinking about regarding optimization, concurrency and data design. I've been posting them on Twitter to gather feedback from my pals there. A couple have caused a little controversy
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