RFR(M): 8213528: fp registers should not need to be saved around a CallLeafNoFP
rwestrel at redhat.com
Mon Nov 12 09:01:26 UTC 2018
> Looking on all .ad files I see difference only for x86_32:
I missed that.
> And I surprise we don't have difference for SPARC.
> Your change make code in x86_32 be unused. The only drawback to always use CallLeaf there is empty_FPU_stack() when cpu
> does not have SSE2 (such CPUs should disappear already) and reset FPU control word when it is in special 24BitFPMode
> mode. The 24bit mode most likely is not used any more (requires not presence SSE and other conditions):
> Based on this I think we need purge all this vary outdated code as separate RFE.
> Lets first push your changes.
Ok. Thanks. So you're ok with this?
More information about the hotspot-compiler-dev