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Arm64: Cpu feature detection (#4264)

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* Arm64: Cpu feature detection

* Ptc: Add Arm64 feature info

* nits

* simplify CheckSysctlName

* restore some macos flags

* feedback
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merry 2023-01-12 07:05:18 +00:00 • committed by GitHub
parent fd36c8deca
commit a11784fcbf
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 237 additions and 31 deletions
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44
ARMeilleure/Optimizations.cs
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@ -1,8 +1,10 @@
using ARMeilleure.CodeGen.X86;
using System.Runtime.Intrinsics.Arm;
namespace ARMeilleure
{
using Arm64HardwareCapabilities = ARMeilleure.CodeGen.Arm64.HardwareCapabilities;
using X86HardwareCapabilities = ARMeilleure.CodeGen.X86.HardwareCapabilities;
public static class Optimizations
{
public static bool FastFP { get; set; } = true;
@ -10,7 +12,8 @@ namespace ARMeilleure
public static bool AllowLcqInFunctionTable { get; set; } = true;
public static bool UseUnmanagedDispatchLoop { get; set; } = true;
public static bool UseAdvSimdIfAvailable { get; set; } = true;
public static bool UseAdvSimdIfAvailable { get; set; } = true;
public static bool UseArm64PmullIfAvailable { get; set; } = true;
public static bool UseSseIfAvailable { get; set; } = true;
public static bool UseSse2IfAvailable { get; set; } = true;
@ -29,25 +32,26 @@ namespace ARMeilleure
public static bool ForceLegacySse
{
get => HardwareCapabilities.ForceLegacySse;
set => HardwareCapabilities.ForceLegacySse = value;
get => X86HardwareCapabilities.ForceLegacySse;
set => X86HardwareCapabilities.ForceLegacySse = value;
}
internal static bool UseAdvSimd => UseAdvSimdIfAvailable && AdvSimd.IsSupported;
internal static bool UseAdvSimd => UseAdvSimdIfAvailable && Arm64HardwareCapabilities.SupportsAdvSimd;
internal static bool UseArm64Pmull => UseArm64PmullIfAvailable && Arm64HardwareCapabilities.SupportsPmull;
internal static bool UseSse => UseSseIfAvailable && HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseF16c => UseF16cIfAvailable && HardwareCapabilities.SupportsF16c;
internal static bool UseFma => UseFmaIfAvailable && HardwareCapabilities.SupportsFma;
internal static bool UseAesni => UseAesniIfAvailable && HardwareCapabilities.SupportsAesni;
internal static bool UsePclmulqdq => UsePclmulqdqIfAvailable && HardwareCapabilities.SupportsPclmulqdq;
internal static bool UseSha => UseShaIfAvailable && HardwareCapabilities.SupportsSha;
internal static bool UseGfni => UseGfniIfAvailable && HardwareCapabilities.SupportsGfni;
internal static bool UseSse => UseSseIfAvailable && X86HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && X86HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && X86HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && X86HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && X86HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && X86HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && X86HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && X86HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseF16c => UseF16cIfAvailable && X86HardwareCapabilities.SupportsF16c;
internal static bool UseFma => UseFmaIfAvailable && X86HardwareCapabilities.SupportsFma;
internal static bool UseAesni => UseAesniIfAvailable && X86HardwareCapabilities.SupportsAesni;
internal static bool UsePclmulqdq => UsePclmulqdqIfAvailable && X86HardwareCapabilities.SupportsPclmulqdq;
internal static bool UseSha => UseShaIfAvailable && X86HardwareCapabilities.SupportsSha;
internal static bool UseGfni => UseGfniIfAvailable && X86HardwareCapabilities.SupportsGfni;
}
}
}