src/dst register for andI_rReg_imm255 and andI_rReg_imm65535
Christian.Thalinger at Sun.COM
Mon Sep 21 12:06:19 PDT 2009
Vladimir Kozlov wrote:
> Can you tell more about the problem you see?
> The instructions you pointing use dst register only:
> "movzbl $dst, $dst\t# int & 0xFF"
Right. Well, it's not a problem, I just wonder why it does not use the
"movzbl $dst, $src\t# int & 0xFF"
but instead we have to emit a spill instruction to move src to dst.
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