[aarch64-port-dev ] RFR(S): 8209783: AArch64: Combine Multiply and Neg operations in C2

Pengfei Li Pengfei.Li at arm.com
Tue Aug 21 10:29:28 UTC 2018


Hi,

Could you help review this small optimization in AArch64 codegen?

JBS: https://bugs.openjdk.java.net/browse/JDK-8209783
Patch: http://cr.openjdk.java.net/~zyao/8209783/webrev.00/

Note: For Java code patterns a*(-b) or (-a)*b, SubI/SubL nodes are created in ideal graphs to do the ineg/lneg operations.
 
--
Thanks,
Pengfei



More information about the aarch64-port-dev mailing list