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Implemented fast paths for: (#841)

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* cpu-misc_opt

* B = ~b

* ;
This commit is contained in:
LDj3SNuD 2019-12-07 13:45:32 +01:00 • committed by Ac_K
parent d562ba37a0
commit 8c85bdf2ed
16 changed files with 450 additions and 163 deletions
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17
ARMeilleure/Decoders/OpCodeSimdFmov.cs
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@ -8,16 +8,8 @@ namespace ARMeilleure.Decoders
public OpCodeSimdFmov(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
int imm5 = (opCode >> 5) & 0x1f;
int type = (opCode >> 22) & 0x3;
if (imm5 != 0b00000 || type > 1)
{
Instruction = InstDescriptor.Undefined;
return;
}
Size = type;
long imm;
@ -25,7 +17,14 @@ namespace ARMeilleure.Decoders
Rd = (opCode >> 0) & 0x1f;
imm = (opCode >> 13) & 0xff;
Immediate = DecoderHelper.DecodeImm8Float(imm, type);
if (type == 0)
{
Immediate = (long)DecoderHelper.Imm8ToFP32Table[(int)imm];
}
else /* if (type == 1) */
{
Immediate = (long)DecoderHelper.Imm8ToFP64Table[(int)imm];
}
}
}
}