Some jtreg tests failing on x86 with error 'unrecognized VM options' (C2 flags)

Following jtreg tests are failing on x86 due to c2 flags LoopUnswitching, OptimizeFill and StressCCP are not available in x86 binary.

test/hotspot/jtreg/compiler/loopopts/TestInfiniteLoopWithUnmergedBackedgesMain.java
error: Unrecognized VM option 'LoopUnswitching'
Introduced by commit: https://github.com/microsoft/openjdk-jdk17u/commit/ee63f83ed705c9cd3c49316fc4936668744f415d#diff-ac9e408e8f32ed8c6260b005b8c386bc7a0a8738a8b8d2fe91c82b66f9f6ab7e

test/hotspot/jtreg/compiler/loopopts/TestBackedgeLoadArrayFillMain.java
error: Unrecognized VM option 'OptimizeFill'
Introduced by commit: https://github.com/microsoft/openjdk-jdk17u/commit/d21597aec91bbd41960923385f6a1feb31f14a0c

test/hotspot/jtreg/compiler/rangechecks/TestRangeCheckCmpUOverflowVsSub.java
error: Unrecognized VM option 'StressCCP'
Introduced by commit: https://github.com/microsoft/openjdk-jdk17u/commit/e6c27925d23fe283a23c6adbe263658909c3739d#diff-36a07bd10ab86c032882232a1d18b96fb6a399c01dc05739c24ea12e9abc2d55