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

[Vladimir Kempik]

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

windows and linux x86 failures unrelated, this patch changes only RISC-V specific code, nothing outside of risc-v

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PR Comment: https://git.openjdk.org/jdk21/pull/20#issuecomment-1592762498