Bit manipulation instructions: Difference between revisions

Content deleted Content added
Context: Wolfe was analyzing one ISA
m GE600 series: GE-600 series redlink
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===GE600 series===
 
The [[GE600GE-600 series]] and its successors had Gray-to-binary conversion, which [[Gray_code#Converting_to_and_from_Gray_code|requires costly recursion]]: converting a 64-bit Gray code to binary would require execution of hundreds of instructions. Binary-to-Gray is simply {{code|x^(x>>1)}} and does not justify a dedicated instruction. Gray coding has significant [[Gray_code#History_and_practical_application|practical applications]]
 
=== ARM ===