diff options
| author | LDj3SNuD <35856442+LDj3SNuD@users.noreply.github.com> | 2020-10-13 22:41:33 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-13 22:41:33 +0200 |
| commit | 04e330cc004add7550eef8361cd490fac99255e2 (patch) | |
| tree | 3383f357cb61b5ba7b0b304d0d9d89c197c21050 /ARMeilleure/Decoders/OpCode32SimdShImm.cs | |
| parent | 329ba5b39b4402d96aea85f1e97dc35f70aadfab (diff) | |
Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths). (#1577)
* Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths).
No test provided (i.e. draft).
* Ptc InternalVersion = 1577
Diffstat (limited to 'ARMeilleure/Decoders/OpCode32SimdShImm.cs')
| -rw-r--r-- | ARMeilleure/Decoders/OpCode32SimdShImm.cs | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/ARMeilleure/Decoders/OpCode32SimdShImm.cs b/ARMeilleure/Decoders/OpCode32SimdShImm.cs index 53da6bfb..e40107a2 100644 --- a/ARMeilleure/Decoders/OpCode32SimdShImm.cs +++ b/ARMeilleure/Decoders/OpCode32SimdShImm.cs @@ -2,34 +2,33 @@ { class OpCode32SimdShImm : OpCode32Simd { - public int Immediate { get; private set; } public int Shift { get; private set; } public OpCode32SimdShImm(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) { - Immediate = (opCode >> 16) & 0x3f; - var limm = ((opCode >> 1) & 0x40) | Immediate; + int imm6 = (opCode >> 16) & 0x3f; + int limm6 = ((opCode >> 1) & 0x40) | imm6; - if ((limm & 0x40) == 0b1000000) + if ((limm6 & 0x40) == 0b1000000) { Size = 3; - Shift = Immediate; - } - else if ((limm & 0x60) == 0b0100000) + Shift = imm6; + } + else if ((limm6 & 0x60) == 0b0100000) { Size = 2; - Shift = Immediate - 32; + Shift = imm6 - 32; } - else if ((limm & 0x70) == 0b0010000) + else if ((limm6 & 0x70) == 0b0010000) { Size = 1; - Shift = Immediate - 16; + Shift = imm6 - 16; } - else if ((limm & 0x78) == 0b0001000) + else if ((limm6 & 0x78) == 0b0001000) { Size = 0; - Shift = Immediate - 8; - } + Shift = imm6 - 8; + } else { Instruction = InstDescriptor.Undefined; |