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标签: Integer


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» [MMX 优化: How to optimize for the Pentium family of microprocessors] - 28.1 Integer instructions
28 . List of instruction timings for PPlain and PMMX 28.1 Integer instructions Explanations: Operands: r = register, m = memory, i = immediate data, sr = segment register m32 = 32 bit memory operand,... 发表于 2000-04-03
标签: MMX 优化 | Integer

» [MMX 优化: How to optimize for the Pentium family of microprocessors] - 27.6 Using integer instructions to do floating point operations (all processors)
27.6 Using integer instructions to do floating point operations (all processors) Integer instructions are generally faster than floating point instructions, so it is often advantageous to use integer... 发表于 2000-04-03
标签: MMX 优化 | Integer | Floating Point

» [MMX 优化: How to optimize for the Pentium family of microprocessors] - 29.1 Integer instructions
29 . List of instruction timings and micro-op breakdown for PPro, PII and PIII Explanations: Operands: r = register, m = memory, i = immediate data, sr = segment register, m32 = 32 bit memory operand... 发表于 2000-04-03
标签: MMX 优化 | Integer

» [MMX 优化: How to optimize for the Pentium family of microprocessors] - 27.5 Converting from floating point to integer (All processors)
27.5 Converting from floating point to integer (All processors) All conversions from floating point to integer, and vice versa, must go via a memory location: FISTP DWORD PTR [TEMP] MOV EAX, [TEMP] O... 发表于 2000-04-03
标签: MMX 优化 | Integer | Floating Point

» [MMX 优化: How to optimize for the Pentium family of microprocessors] - 26.5 Integer multiplication (all processors)
26.5 Integer multiplication (all processors) An integer multiplication takes approximately 9 clock cycles on PPlain and PMMX and 4 on PPro, PII and PIII. It is therefore often advantageous to replace... 发表于 2000-04-02
标签: MMX 优化 | Integer



 
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