RFR: 8298345: Fix another two C2 IR matching tests for RISC-V

[Gui Cao]

On Thu, 8 Dec 2022 06:26:20 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

> Did you check that still works on other arches? e.g.: x64/aarch64

Hi, thanks for the review.
I tested it under x86_64 GNU/Linux and aarch64 GNU/Linux, and both passed the test normally.

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PR: https://git.openjdk.org/jdk/pull/11577