Displaying 2 results from an estimated 2 matches for "b99fa3cb".
2017 Jul 27
2
Purpose of various register classes in X86 target
Hello everyone,
I noticed that there are several register classes defined in X86 target and
many of them are overlapping. Is there a list of all X86 register classes
documented somewhere? I found many listed in
X86GenRegisterInfo.inc(generated by tablegen) but unsure if that is the
complete list. Also, is there documentation on the role and purpose of
these classes and how the X86 backend decides
2017 Jul 28
3
Purpose of various register classes in X86 target
...derived. Would
reading TableGen's code help understand why those were generated and what
constraints they encode? Or should I take another approach?
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