Integrated: 8308975: Fix signed integer overflow in compiler code, part 2

[Dean Long]

On Fri, 26 May 2023 22:20:17 GMT, Dean Long <dlong at openjdk.org> wrote:

> This is a followup from part 1.  I had to use java_add/subtract/multiply/negate in a few more places.
> cpu_loads_process had an overflow on BSD when the first snapshot is relative to the epoch in 1970.
> Use unsigned for C2 Type hash functions.

This pull request has now been integrated.

Changeset: f8a924a7
Author:    Dean Long <dlong at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f8a924a749a786f9e9172561135731c4948c9856
Stats:     103 lines in 9 files changed: 11 ins; 7 del; 85 mod

8308975: Fix signed integer overflow in compiler code, part 2

Reviewed-by: aph, coleenp, kvn

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PR: https://git.openjdk.org/jdk/pull/14188