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T32: Implement B, B.cond, BL, BLX (#3155)

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* Decoders: Make IsThumb a function of OpCode32

* OpCode32: Fix GetPc

* T32: Implement B, B.cond, BL, BLX

* rm usings
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merry 2022-03-04 22:05:08 +00:00 • committed by GitHub
parent ac21abbb9d
commit bd9ac0fdaa
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8 changed files with 253 additions and 9 deletions
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2
ARMeilleure/Instructions/InstEmitAluHelper.cs
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@ -128,7 +128,7 @@ namespace ARMeilleure.Instructions
{
Debug.Assert(value.Type == OperandType.I32);
if (IsThumb(context.CurrOp))
if (((OpCode32)context.CurrOp).IsThumb())
{
bool isReturn = IsA32Return(context);
if (!isReturn)

4
ARMeilleure/Instructions/InstEmitFlow32.cs
View file

@ -34,7 +34,7 @@ namespace ARMeilleure.Instructions
uint pc = op.GetPc();
bool isThumb = IsThumb(context.CurrOp);
bool isThumb = ((OpCode32)context.CurrOp).IsThumb();
uint currentPc = isThumb
? pc | 1
@ -61,7 +61,7 @@ namespace ARMeilleure.Instructions
Operand addr = context.Copy(GetIntA32(context, op.Rm));
Operand bitOne = context.BitwiseAnd(addr, Const(1));
bool isThumb = IsThumb(context.CurrOp);
bool isThumb = ((OpCode32)context.CurrOp).IsThumb();
uint currentPc = isThumb
? (pc - 2) | 1

5
ARMeilleure/Instructions/InstEmitHelper.cs
View file

@ -10,11 +10,6 @@ namespace ARMeilleure.Instructions
{
static class InstEmitHelper
{
public static bool IsThumb(OpCode op)
{
return op is OpCodeT16 || op is OpCodeT32;
}
public static Operand GetExtendedM(ArmEmitterContext context, int rm, IntType type)
{
Operand value = GetIntOrZR(context, rm);