July 2008
Intermediate to advanced
544 pages
16h 52m
English
Content preview from Computers as Components, 2nd Edition
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86 CHAPTER 2 Instruction Sets
and to take advantage of parallelism wherever possible. However, if the compiler
cannot determine that a set of instr uctions are independent,it must assume that the y
are dependent and generate more restrictive,slower code.The restrict keyword can
be used to tell the compiler that a given pointer is the only one in the scope that can
point to a particular object. The -pm option allows the compiler to perform more
global analysis and find more independent sets of instructions.
SUMMARY
When viewed from high above, all CPUs are similar—they read and write memory,
perform data operations, and make decisions. However, there