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8386161: RISC-V: make Zvkn/Zvkg extension options diagnostic

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This commit is contained in:
zifeihan 2026-06-08 23:17:08 +08:00
parent 8b2b3c84c5
commit 800be6cac2
2 changed files with 2 additions and 4 deletions
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4
src/hotspot/cpu/riscv/globals_riscv.hpp
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@ -120,10 +120,10 @@ define_pd_global(intx, InlineSmallCode, 1000);
product(bool, UseZvbb, false, EXPERIMENTAL, "Use Zvbb instructions") \
product(bool, UseZvbc, false, EXPERIMENTAL, "Use Zvbc instructions") \
product(bool, UseZvfh, false, DIAGNOSTIC, "Use Zvfh instructions") \
product(bool, UseZvkn, false, EXPERIMENTAL, \
product(bool, UseZvkn, false, DIAGNOSTIC, \
"Use Zvkn group extension, Zvkned, Zvknhb, Zvkb, Zvkt") \
product(bool, UseCtxFencei, false, EXPERIMENTAL, \
"Use PR_RISCV_CTX_SW_FENCEI_ON to avoid explicit icache flush") \
product(bool, UseZvkg, false, EXPERIMENTAL, "Use Zvkg instructions")
product(bool, UseZvkg, false, DIAGNOSTIC, "Use Zvkg instructions")
#endif // CPU_RISCV_GLOBALS_RISCV_HPP

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

@ -249,7 +249,6 @@ void RiscvHwprobe::add_features_from_query_result() {
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVFH)) {
VM_Version::ext_Zvfh.enable_feature();
}
#ifndef PRODUCT
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVKNED) &&
is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVKNHB) &&
is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVKB) &&
@ -259,7 +258,6 @@ void RiscvHwprobe::add_features_from_query_result() {
if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVKG)) {
VM_Version::ext_Zvkg.enable_feature();
}
#endif
// ====== non-extensions ======
//