September 2017
Beginner to intermediate
290 pages
6h 58m
English
Content preview from Mastering Assembly Programming
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SSE
SSE stands for Streaming SIMD Extension, which allows, as the name suggest, processing of multiple data with a single instruction, which is best seen in the following example code:
lea esi, [fnum1]movq xmm0, [esi] ; Load fnum1 and fnum2 into xmm0 registeradd esi, 8movq xmm1, [esi] ; Load fnum3 and fnum4 into xmm1 registeraddps xmm0, xmm1 ; Add two floats in xmm1 to another two floats in xmm0 ; xmm0 will then contain: ; 0.0 0.0 1.663 12.44fnum1 dd 0.12fnum2 dd 1.24fnum3 dd 12.32fnum4 dd 0.423
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