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riscv: Use cpu_features for V detection.

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Unknown W. Brackets 2023-04-29 10:07:50 -07:00
parent 5b1235537f
commit ac40721a64
1 changed files with 3 additions and 2 deletions
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5
Common/RiscVCPUDetect.cpp
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@ -209,8 +209,8 @@ void CPUInfo::Detect()
RiscV_C = ExtensionSupported(hwcap, 'C');
RiscV_V = ExtensionSupported(hwcap, 'V');
RiscV_B = ExtensionSupported(hwcap, 'B');
// Let's assume for now...
RiscV_Zicsr = RiscV_M && RiscV_A && RiscV_F && RiscV_D;
// We assume as in RVA20U64 that F means Zicsr is available.
RiscV_Zicsr = RiscV_F;
#ifdef USE_CPU_FEATURES
cpu_features::RiscvInfo info = cpu_features::GetRiscvInfo();
@ -220,6 +220,7 @@ void CPUInfo::Detect()
RiscV_F = info.features.F;
RiscV_D = info.features.D;
RiscV_C = info.features.C;
RiscV_V = info.features.V;
RiscV_Zicsr = info.features.Zicsr;
truncate_cpy(brand_string, info.uarch);