[jdk21] RFR: 8309502: RISC-V: String.indexOf intrinsic may produce misaligned memory loads

[Kevin Rushforth]

On Thu, 15 Jun 2023 06:32:21 GMT, Vladimir Kempik <vkempik at openjdk.org> wrote:

> Clean backport to jdk21,  fixes misaligned access in string.IndexOf intrinsic, significantly improves performance of intrinsic on hardware without misaligned access support

Since this is an Enhancement, you will need approval to backport this to JDK 21 during RDP1. See the "Late-Enhancement Request Process" section of [JEP 3](https://openjdk.org/jeps/3).

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PR Comment: https://git.openjdk.org/jdk21/pull/20#issuecomment-1598658461