RFR(M): 8213528: fp registers should not need to be saved around a CallLeafNoFP
rwestrel at redhat.com
Wed Nov 14 08:29:20 UTC 2018
> Save/restore XMM registers in a wrapper stub is perfectly fine with me. May be we should name such calls differently -
> NO_FP is misleading.
Rather than a different node type, what about a field in CallLeafNode
(bool _preserve_fp_registers;)? I would then leave both CallLeafNode and
CallLeafNoFpNode alone for now and the patch would simply test for
_preserve_fp_registers in lcm.cpp?
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