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Remind ourselves to revisit the "pxor vs. xorps/xorpd to clear XMM registers"
issue. Need to do more experiments. llvm-svn: 26247
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@ -437,3 +437,9 @@ It might be better to generate
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movw al, 8(%edx)
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when we can spare a register. It reduces code size.
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//===---------------------------------------------------------------------===//
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It's not clear whether we should use pxor or xorps / xorpd to clear XMM
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registers. The choice may depend on subtarget information. We should do some
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more experiments on different x86 machines.
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