Skip to main content

All Questions

Filter by
Sorted by
Tagged with
19 votes
1 answer
2k views

How did the Motorola MC68030 and MC68040 come to have the powerful and expensive CAS2 instruction?

The CAS2 instruction - double compare-and-swap - is an extremely powerful instruction that was coveted for quite awhile (and still is, really) for making lock-free and wait-free data structures - that ...
davidbak's user avatar
  • 6,494