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8388035: RISC-V: Auto-enable Zfa extension features

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Reviewed-by: fyang, dzhang
This commit is contained in:
zifeihan 2026-07-13 01:50:44 +00:00 committed by Dingli Zhang
parent d3e5304c0f
commit 7a5e6ef6aa
2 changed files with 1 additions and 3 deletions
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2
src/hotspot/cpu/riscv/globals_riscv.hpp
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@ -103,7 +103,7 @@ define_pd_global(intx, InlineSmallCode, 1000);
product(bool, UseZbb, false, DIAGNOSTIC, "Use Zbb instructions") \
product(bool, UseZbkb, false, EXPERIMENTAL, "Use Zbkb instructions") \
product(bool, UseZbs, false, DIAGNOSTIC, "Use Zbs instructions") \
product(bool, UseZfa, false, EXPERIMENTAL, "Use Zfa instructions") \
product(bool, UseZfa, false, DIAGNOSTIC, "Use Zfa instructions") \
product(bool, UseZfh, false, DIAGNOSTIC, "Use Zfh instructions") \
product(bool, UseZfhmin, false, DIAGNOSTIC, "Use Zfhmin instructions") \
product(bool, UseZacas, false, EXPERIMENTAL, "Use Zacas instructions") \

2
src/hotspot/os_cpu/linux_riscv/riscv_hwprobe.cpp
View File

@ -215,11 +215,9 @@ void RiscvHwprobe::add_features_from_query_result() {
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZBS)) {
VM_Version::ext_Zbs.enable_feature();
}
#ifndef PRODUCT
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZFA)) {
VM_Version::ext_Zfa.enable_feature();
}
#endif
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZFH)) {
VM_Version::ext_Zfh.enable_feature();
}