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Adjust naming conventions for Ryujinx and ChocolArm64 projects (#484)

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* Change naming convention for Ryujinx project

* Change naming convention for ChocolArm64 project

* Fix NaN

* Remove unneeded this. from Ryujinx project

* Adjust naming from new PRs

* Name changes based on feedback

* How did this get removed?

* Rebasing fix

* Change FP enum case

* Remove prefix from ChocolArm64 classes - Part 1

* Remove prefix from ChocolArm64 classes - Part 2

* Fix alignment from last commit's renaming

* Rename namespaces

* Rename stragglers

* Fix alignment

* Rename OpCode class

* Missed a few

* Adjust alignment
This commit is contained in:
Alex Barney 2018-10-30 19:43:02 -06:00 • committed by gdkchan
parent 5a87e58183
commit 9cb57fb4bb
314 changed files with 19456 additions and 19456 deletions
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101
ChocolArm64/Decoders/OpCodeSimdImm64.cs Normal file
View file

@ -0,0 +1,101 @@
using ChocolArm64.Instructions;
using ChocolArm64.State;
namespace ChocolArm64.Decoders
{
class OpCodeSimdImm64 : OpCode64, IOpCodeSimd64
{
public int Rd { get; private set; }
public long Imm { get; private set; }
public int Size { get; private set; }
public OpCodeSimdImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
{
Rd = opCode & 0x1f;
int cMode = (opCode >> 12) & 0xf;
int op = (opCode >> 29) & 0x1;
int modeLow = cMode & 1;
int modeHigh = cMode >> 1;
long imm;
imm = ((uint)opCode >> 5) & 0x1f;
imm |= ((uint)opCode >> 11) & 0xe0;
if (modeHigh == 0b111)
{
Size = modeLow != 0 ? op : 3;
switch (op | (modeLow << 1))
{
case 0:
//64-bits Immediate.
//Transform abcd efgh into abcd efgh abcd efgh ...
imm = (long)((ulong)imm * 0x0101010101010101);
break;
case 1:
//64-bits Immediate.
//Transform abcd efgh into aaaa aaaa bbbb bbbb ...
imm = (imm & 0xf0) >> 4 | (imm & 0x0f) << 4;
imm = (imm & 0xcc) >> 2 | (imm & 0x33) << 2;
imm = (imm & 0xaa) >> 1 | (imm & 0x55) << 1;
imm = (long)((ulong)imm * 0x8040201008040201);
imm = (long)((ulong)imm & 0x8080808080808080);
imm |= imm >> 4;
imm |= imm >> 2;
imm |= imm >> 1;
break;
case 2:
case 3:
//Floating point Immediate.
imm = DecoderHelper.DecodeImm8Float(imm, Size);
break;
}
}
else if ((modeHigh & 0b110) == 0b100)
{
//16-bits shifted Immediate.
Size = 1; imm <<= (modeHigh & 1) << 3;
}
else if ((modeHigh & 0b100) == 0b000)
{
//32-bits shifted Immediate.
Size = 2; imm <<= modeHigh << 3;
}
else if ((modeHigh & 0b111) == 0b110)
{
//32-bits shifted Immediate (fill with ones).
Size = 2; imm = ShlOnes(imm, 8 << modeLow);
}
else
{
//8 bits without shift.
Size = 0;
}
Imm = imm;
RegisterSize = ((opCode >> 30) & 1) != 0
? State.RegisterSize.Simd128
: State.RegisterSize.Simd64;
}
private static long ShlOnes(long value, int shift)
{
if (shift != 0)
{
return value << shift | (long)(ulong.MaxValue >> (64 - shift));
}
else
{
return value;
}
}
}
}