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1030053
2013 Apr 25
2
[LLVMdev] [PATCH] Handle tied sub-operands in AsmMatcherEmitter
Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote on 24.04.2013 23:47:54:
> I would like to add one more case here: Fixed register operands.
>
> Some instructions, like x86's MUL and DIV, take operands in fixed
> registers. Currently, we handle that with COPY instructions to and
> from the fixed registers, but that is making code motion passes more
> complicated than