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comment about immutables
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@ -4,7 +4,9 @@
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/* For x86_64, we have to:
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/* For x86_64, we have to:
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*
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*
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* - check that constants are used only in
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* - check that constants are used only in
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* places allowed by the machine
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* places allowed
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*
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* - ensure immutables always fit in 32b
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*
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*
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* - explicit machine register contraints
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* - explicit machine register contraints
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* on instructions like division.
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* on instructions like division.
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