[LLVMdev] Sub registers in inline assembly

[Damien Vincent]

  I was wondering if llvm supports sub registers in an inline asm string.
  For example, in gcc, using modifiers %w0 makes it possible to access ax if
%0 refers to eax.

  If there is any support, do you know where it is implemented ? I'd like to
add such a support for another target.

  Thank you !

  Damien
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