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8311964: Some jtreg tests failing on x86 with error 'unrecognized VM …
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…options' (C2 flags)

Backport-of: 024133b089d911dcc3ea70dfdaa6b150b14a9eb4
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SendaoYan authored and TheRealMDoerr committed May 13, 2024
1 parent 606c542 commit ce1fb02
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* @summary ArrayFill: if store is on backedge, last iteration is not to be executed.
* @library /test/lib
* @compile TestBackedgeLoadArrayFill.jasm
* @requires vm.compiler2.enabled
* @run main/othervm
* -XX:CompileCommand=compileonly,TestBackedgeLoadArrayFill*::test*
* -XX:-TieredCompilation -Xcomp -XX:+OptimizeFill
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* @bug 8296412
* @compile TestInfiniteLoopWithUnmergedBackedges.jasm
* @summary Infinite loops may not have the backedges merged, before we call IdealLoopTree::check_safepts
* @requires vm.compiler2.enabled
* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:-LoopUnswitching
* -XX:CompileCommand=compileonly,TestInfiniteLoopWithUnmergedBackedges::test*
* TestInfiniteLoopWithUnmergedBackedgesMain
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* @test
* @bug 8299959
* @summary In CmpU::Value, the sub computation may be narrower than the overflow computation.
* @requires vm.compiler2.enabled
*
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+StressCCP -Xcomp -XX:-TieredCompilation
* -XX:CompileCommand=compileonly,compiler.rangechecks.TestRangeCheckCmpUOverflowVsSub::test
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