RFR: 8342768: GTest AssemblerX86.validate_vm failed: assert(VM_Version::supports_bmi1()) failed: tzcnt instruction not supported

[Sandhya Viswanathan]

On Tue, 22 Oct 2024 17:41:13 GMT, hanklo6 <duke at openjdk.org> wrote:

> The `tzcnt` instruction requires the VM to support `bmi1` feature, which we set directly when running the test.

test/hotspot/gtest/x86/test_assemblerx86.cpp line 70:

> 68: TEST_VM(AssemblerX86, validate) {
> 69:   FlagSetting flag_change_apx(UseAPX, true);
> 70:   VM_Version::set_bmi1_cpuFeatures();

Let us also call the set_avx_cpuFeatures() and set_evex_cpuFeatures() in TEST_VM.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21644#discussion_r1811151167