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[Android] Add SignExtendByte

This commit is contained in:
zilmar 2016-10-01 10:34:14 +10:00
parent cdba209aea
commit f9cf02ada0
2 changed files with 26 additions and 0 deletions
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25
Source/Project64-core/N64System/Recompiler/Arm/ArmOps.cpp
View File

@ -675,6 +675,31 @@ void CArmOps::ShiftLeftImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift)
AddCode16(op.Hex); AddCode16(op.Hex);
} }
void CArmOps::SignExtendByte(ArmReg Reg)
{
if (Reg > 0x7)
{
CPU_Message(" sxtb.w\t%s, %s", ArmRegName(Reg), ArmRegName(Reg));
Arm32Opcode op = {0};
op.rotate.opcode = 0xFA4F;
op.rotate.rm = Reg;
op.rotate.rotate = 0;
op.rotate.opcode2 = 2;
op.rotate.rd = Reg;
op.rotate.opcode3 = 0xF;
AddCode32(op.Hex);
}
else
{
CPU_Message(" sxtb\t%s, %s", ArmRegName(Reg), ArmRegName(Reg));
ArmThumbOpcode op = {0};
op.Reg2.rn = Reg;
op.Reg2.rm = Reg;
op.Reg2.opcode = 0x2C9;
AddCode16(op.Hex);
}
}
void CArmOps::StoreArmRegToArmRegPointer(ArmReg Reg, ArmReg RegPointer, uint8_t offset) void CArmOps::StoreArmRegToArmRegPointer(ArmReg Reg, ArmReg RegPointer, uint8_t offset)
{ {
if (Reg > 0x7 || RegPointer > 0x7) if (Reg > 0x7 || RegPointer > 0x7)

1
Source/Project64-core/N64System/Recompiler/Arm/ArmOps.h
View File

@ -166,6 +166,7 @@ protected:
static void ShiftRightSignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void ShiftRightSignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift);
static void ShiftRightUnsignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void ShiftRightUnsignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift);
static void ShiftLeftImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void ShiftLeftImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift);
static void SignExtendByte(ArmReg Reg);
static void StoreArmRegToArmRegPointer(ArmReg Reg, ArmReg RegPointer, uint8_t offset); static void StoreArmRegToArmRegPointer(ArmReg Reg, ArmReg RegPointer, uint8_t offset);
static void StoreFloatRegToArmRegPointer(ArmFpuSingle Reg, ArmReg RegPointer, uint8_t Offset); static void StoreFloatRegToArmRegPointer(ArmFpuSingle Reg, ArmReg RegPointer, uint8_t Offset);
static void SubConstFromArmReg(ArmReg Reg, uint32_t Const); static void SubConstFromArmReg(ArmReg Reg, uint32_t Const);