> If you think a 64-bit DIV instruction is a good way to divide by two, then no wonder the compiler's asm output beat your hand-written code... Compilers emplo

> If you think a 64-bit DIV instruction is a good way to divide by two, then no wonder the compiler's asm output beat your hand-written code... Compilers employ multitudes of optimizations that will go overlooked in hand-written ASM unless you, as the author, are very knowledgeable. End of story.