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Misc cleanup (#708)

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* Fix typos

* Remove unneeded using statements

* Enforce var style more

* Remove redundant qualifiers

* Fix some indentation

* Disable naming warnings on files with external enum names

* Fix build

* Mass find & replace for comments with no spacing

* Standardize todo capitalization and for/if spacing
This commit is contained in:
Alex Barney 2019-07-01 21:39:22 -05:00 • committed by Ac_K
parent 10c74182ba
commit b2b736abc2
205 changed files with 1020 additions and 1041 deletions
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50
ChocolArm64/Translation/ILEmitterCtx.cs
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@ -56,10 +56,10 @@ namespace ChocolArm64.Translation
private OpCode64 _optOpLastCompare;
private OpCode64 _optOpLastFlagSet;
//This is the index of the temporary register, used to store temporary
//values needed by some functions, since IL doesn't have a swap instruction.
//You can use any value here as long it doesn't conflict with the indices
//for the other registers. Any value >= 64 or < 0 will do.
// This is the index of the temporary register, used to store temporary
// values needed by some functions, since IL doesn't have a swap instruction.
// You can use any value here as long it doesn't conflict with the indices
// for the other registers. Any value >= 64 or < 0 will do.
private const int ReservedLocalsCount = 64;
private const int RorTmpIndex = ReservedLocalsCount + 0;
@ -69,7 +69,7 @@ namespace ChocolArm64.Translation
private const int IntGpTmp2Index = ReservedLocalsCount + 4;
private const int UserIntTempStart = ReservedLocalsCount + 5;
//Vectors are part of another "set" of locals.
// Vectors are part of another "set" of locals.
private const int VecGpTmp1Index = ReservedLocalsCount + 0;
private const int VecGpTmp2Index = ReservedLocalsCount + 1;
private const int VecGpTmp3Index = ReservedLocalsCount + 2;
@ -139,10 +139,10 @@ namespace ChocolArm64.Translation
public void ResetBlockStateForPredicatedOp()
{
//Check if this is a predicated instruction that modifies flags,
//in this case the value of the flags is unknown as we don't know
//in advance if the instruction is going to be executed or not.
//So, we reset the block state to prevent an invalid optimization.
// Check if this is a predicated instruction that modifies flags,
// in this case the value of the flags is unknown as we don't know
// in advance if the instruction is going to be executed or not.
// So, we reset the block state to prevent an invalid optimization.
if (CurrOp == _optOpLastFlagSet)
{
ResetBlockState();
@ -167,8 +167,8 @@ namespace ChocolArm64.Translation
public bool TryOptEmitSubroutineCall()
{
//Calls should always have a next block, unless
//we're translating a single basic block.
// Calls should always have a next block, unless
// we're translating a single basic block.
if (_currBlock.Next == null)
{
return false;
@ -239,15 +239,15 @@ namespace ChocolArm64.Translation
&& cond != Condition.GtUn
&& cond != Condition.LeUn)
{
//There are several limitations that needs to be taken into account for CMN comparisons:
//- The unsigned comparisons are not valid, as they depend on the
//carry flag value, and they will have different values for addition and
//subtraction. For addition, it's carry, and for subtraction, it's borrow.
//So, we need to make sure we're not doing a unsigned compare for the CMN case.
//- We can only do the optimization for the immediate variants,
//because when the second operand value is exactly INT_MIN, we can't
//negate the value as theres no positive counterpart.
//Such invalid values can't be encoded on the immediate encodings.
// There are several limitations that needs to be taken into account for CMN comparisons:
// - The unsigned comparisons are not valid, as they depend on the
// carry flag value, and they will have different values for addition and
// subtraction. For addition, it's carry, and for subtraction, it's borrow.
// So, we need to make sure we're not doing a unsigned compare for the CMN case.
// - We can only do the optimization for the immediate variants,
// because when the second operand value is exactly INT_MIN, we can't
// negate the value as theres no positive counterpart.
// Such invalid values can't be encoded on the immediate encodings.
if (_optOpLastCompare is IOpCodeAluImm64 op)
{
Ldloc(CmpOptTmp1Index, RegisterType.Int, _optOpLastCompare.RegisterSize);
@ -513,11 +513,11 @@ namespace ChocolArm64.Translation
public void EmitLdflg(int index) => Ldloc(index, RegisterType.Flag);
public void EmitStflg(int index)
{
//Set this only if any of the NZCV flag bits were modified.
//This is used to ensure that when emiting a direct IL branch
//instruction for compare + branch sequences, we're not expecting
//to use comparison values from an old instruction, when in fact
//the flags were already overwritten by another instruction further along.
// Set this only if any of the NZCV flag bits were modified.
// This is used to ensure that when emiting a direct IL branch
// instruction for compare + branch sequences, we're not expecting
// to use comparison values from an old instruction, when in fact
// the flags were already overwritten by another instruction further along.
if (index >= (int)PState.VBit)
{
_optOpLastFlagSet = CurrOp;