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Fold constant offsets and group constant addresses (#2285)

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* Fold constant offsets and group constant addresses

* PPTC version bump
This commit is contained in:
gdkchan 2021-05-13 16:26:57 -03:00 • committed by GitHub
parent 57ea3f93a3
commit e318022b89
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 42 additions and 21 deletions
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19
ARMeilleure/Instructions/InstEmitMemory.cs
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@ -87,8 +87,7 @@ namespace ARMeilleure.Instructions
}
Operand address = GetAddress(context);
Operand address2 = context.Add(address, Const(1L << op.Size));
Operand address2 = GetAddress(context, 1L << op.Size);
EmitLoad(op.Rt, address);
EmitLoad(op.Rt2, address2);
@ -112,8 +111,7 @@ namespace ARMeilleure.Instructions
OpCodeMemPair op = (OpCodeMemPair)context.CurrOp;
Operand address = GetAddress(context);
Operand address2 = context.Add(address, Const(1L << op.Size));
Operand address2 = GetAddress(context, 1L << op.Size);
InstEmitMemoryHelper.EmitStore(context, address, op.Rt, op.Size);
InstEmitMemoryHelper.EmitStore(context, address2, op.Rt2, op.Size);
@ -121,7 +119,7 @@ namespace ARMeilleure.Instructions
EmitWBackIfNeeded(context, address);
}
private static Operand GetAddress(ArmEmitterContext context)
private static Operand GetAddress(ArmEmitterContext context, long addend = 0)
{
Operand address = null;
@ -134,7 +132,11 @@ namespace ARMeilleure.Instructions
// Pre-indexing.
if (!op.PostIdx)
{
address = context.Add(address, Const(op.Immediate));
address = context.Add(address, Const(op.Immediate + addend));
}
else if (addend != 0)
{
address = context.Add(address, Const(addend));
}
break;
@ -153,6 +155,11 @@ namespace ARMeilleure.Instructions
address = context.Add(n, m);
if (addend != 0)
{
address = context.Add(address, Const(addend));
}
break;
}
}