RFR: 8327964: Simplify BigInteger.implMultiplyToLen intrinsic

[Roger Riggs]

On Tue, 12 Mar 2024 10:44:54 GMT, Yudi Zheng <yzheng at openjdk.org> wrote:

> Moving array construction within BigInteger.implMultiplyToLen intrinsic candidate to its caller simplifies the intrinsic implementation in JIT compiler.

src/java.base/share/classes/java/math/BigInteger.java line 1836:

> 1834: 
> 1835:         if (z == null || z.length < (xlen+ ylen))
> 1836:              z = new int[xlen+ylen];

Spaces before and after "+" please.  Tnx

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PR Review Comment: https://git.openjdk.org/jdk/pull/18226#discussion_r1528984661