AMD recently added several new extensions for the "upcoming bdver2 processors" into the set of patches for GNU operating system, findings of a famous blogger reveal. The fact that Advanced Micro Devices made the new extensions available under non-disclosure agreement to select software developers mean that the company's Bulldozer Version 2.0 - or, perhaps, Bulldozer NG - may be just several years away.
The new extensions that should be supported by the Bulldozer 2 processors are the following:
* BMI - Bit Manipulation Instructions
* TBM - Trailing Bit Manipulation
* FMA3 - three operand FMA [fused multiply-add] instructions
Unfortunately, we know nothing about the aforementioned instructions and their potential. What we do know is that AMD's own Bulldozer does support FMA4 instruction already and the FMA3 may be implemented for better compatibility with Intel's Sandy Bridge/Ivy Bridge chips that support the FMA3
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