RFR(S): 8187964: [s390][ppc]: Intrinsify Math.multiplyHigh(long, long)
aph at redhat.com
Sat Oct 7 09:09:11 UTC 2017
One thought about this: we might generate better code on these
machines if we had an unsigned multiplyHigh intrinsic and did the
adjustment for signed arithmetic in Java code, where the sign
adjustment could be scheduled separately by C2.
OK, I'll get on with implementing unsignedMultiplyHigh!
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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