[aarch64-port-dev ] RFR(XS) 8248816: C1: Fix signature conflict in LIRGenerator::strength_reduce_multiply

[Bernhard Urban-Forster]

Hi all,

this is a small fixup: the declaration of `strength_reduce_multiply` uses a `jint` for the parameter `constant` [1], but some backends were using `int` instead.

JBS: https://bugs.openjdk.java.net/browse/JDK-8248816
Webrev: http://cr.openjdk.java.net/~burban/8248816/


Thank you,
-Bernhard


[1] https://hg.openjdk.java.net/jdk/jdk/file/8f7ede592c28/src/hotspot/share/c1/c1_LIRGenerator.hpp#l343