RyuKen/ARMeilleure/CodeGen/X86/HardwareCapabilities.cs
LDj3SNuD eefe2b20fc Fix Fcmge_S/V & Fcmgt_S/V Inst.s (#815)
* Fix Fcmge_S/V & Fcmgt_S/V.

Follow-up Fcm**_S/V & Fc*mp*_S.
Improve CmpCondition enum.
Nits.

* Optimize Fccmp*_S & Fcmp*_S.

* Fix cvtsd2si opcode.

* Address PR feedback.
2019-11-09 23:21:03 -03:00

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C#

using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.Translation;
namespace ARMeilleure.CodeGen.X86
{
static class HardwareCapabilities
{
private delegate ulong GetFeatureInfo();
private static ulong _featureInfo;
public static bool SupportsSse3 => (_featureInfo & (1UL << 0)) != 0;
public static bool SupportsPclmulqdq => (_featureInfo & (1UL << 1)) != 0;
public static bool SupportsSsse3 => (_featureInfo & (1UL << 9)) != 0;
public static bool SupportsFma => (_featureInfo & (1UL << 12)) != 0;
public static bool SupportsCx16 => (_featureInfo & (1UL << 13)) != 0;
public static bool SupportsSse41 => (_featureInfo & (1UL << 19)) != 0;
public static bool SupportsSse42 => (_featureInfo & (1UL << 20)) != 0;
public static bool SupportsPopcnt => (_featureInfo & (1UL << 23)) != 0;
public static bool SupportsAesni => (_featureInfo & (1UL << 25)) != 0;
public static bool SupportsAvx => (_featureInfo & (1UL << 28)) != 0;
public static bool SupportsF16c => (_featureInfo & (1UL << 29)) != 0;
public static bool SupportsSse => (_featureInfo & (1UL << 32 + 25)) != 0;
public static bool SupportsSse2 => (_featureInfo & (1UL << 32 + 26)) != 0;
public static bool ForceLegacySse { get; set; }
public static bool SupportsVexEncoding => SupportsAvx && !ForceLegacySse;
static HardwareCapabilities()
{
EmitterContext context = new EmitterContext();
Operand featureInfo = context.CpuId();
context.Return(featureInfo);
ControlFlowGraph cfg = context.GetControlFlowGraph();
OperandType[] argTypes = new OperandType[0];
GetFeatureInfo getFeatureInfo = Compiler.Compile<GetFeatureInfo>(
cfg,
argTypes,
OperandType.I64,
CompilerOptions.HighCq);
_featureInfo = getFeatureInfo();
}
}
}