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Optimize x64 loads and stores using complex addressing modes (#972)

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* Optimize x64 loads and stores using complex addressing modes

* This was meant to be used for testing
This commit is contained in:
gdkchan 2020-03-09 19:29:34 -03:00 • committed by GitHub
parent e2bb5e8091
commit 61d79facd1
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 538 additions and 86 deletions
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18
ARMeilleure/CodeGen/X86/PreAllocator.cs
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@ -184,7 +184,7 @@ namespace ARMeilleure.CodeGen.X86
operation.SetSource(1, src2);
}
else if (!HasConstSrc2(inst) || IsLongConst(src2))
else if (!HasConstSrc2(inst) || CodeGenCommon.IsLongConst(src2))
{
src2 = AddCopy(nodes, node, src2);
@ -1046,7 +1046,7 @@ namespace ARMeilleure.CodeGen.X86
nodes.AddBefore(node, retCopyOp);
}
operation.SetSources(new Operand[0]);
operation.SetSources(System.Array.Empty<Operand>());
}
private static void HandleReturnSystemVAbi(IntrusiveList<Node> nodes, Node node, Operation operation)
@ -1116,20 +1116,6 @@ namespace ARMeilleure.CodeGen.X86
return value;
}
private static bool IsLongConst(Operand operand)
{
long value = operand.Type == OperandType.I32
? operand.AsInt32()
: operand.AsInt64();
return !ConstFitsOnS32(value);
}
private static bool ConstFitsOnS32(long value)
{
return value == (int)value;
}
private static void Delete(IntrusiveList<Node> nodes, Node node, Operation operation)
{
operation.Destination = null;