Reactor: Copy System/Debug code to Reactor copy

Delete Reactor/DebugAndroid.cpp and Reactor/DebugAndroid.hpp for the same reasons explained in the parent change.

The System / Reactor debug implementations are still not merged, but at least they're now consistent.
System/Debug requires `UNIMPLEMENTED()` to have a bug number for each message, but reactor has a whole bunch of ancient uses without any mention of a bug. I don't have the context to create these bugs, so for now I've created a temporary `UNIMPLEMENTED_NO_BUG()` variant. With this we can easily grep the codebase to locate these usages and create bugs as needed.

Bug: b/146051794
Bug: b/144093703
Change-Id: Id5208f924e63dae7443f95aab5b601a290c297e7
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/40969
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/src/Reactor/SubzeroReactor.cpp b/src/Reactor/SubzeroReactor.cpp
index 98d144a..4624064 100644
--- a/src/Reactor/SubzeroReactor.cpp
+++ b/src/Reactor/SubzeroReactor.cpp
@@ -1169,7 +1169,7 @@
 {
 	// TODO(b/148139679) Fix Subzero generating invalid code for FRem on vector types
 	// createArithmetic(Ice::InstArithmetic::Frem, lhs, rhs);
-	UNIMPLEMENTED("Nucleus::createFRem");
+	UNIMPLEMENTED("b/148139679 Nucleus::createFRem");
 	return nullptr;
 }
 
@@ -2272,7 +2272,7 @@
 
 Short4::Short4(RValue<Float4> cast)
 {
-	UNIMPLEMENTED("Short4::Short4(RValue<Float4> cast)");
+	UNIMPLEMENTED_NO_BUG("Short4::Short4(RValue<Float4> cast)");
 }
 
 RValue<Short4> operator<<(RValue<Short4> lhs, unsigned char rhs)
@@ -2750,7 +2750,7 @@
 
 RValue<UShort4> Average(RValue<UShort4> x, RValue<UShort4> y)
 {
-	UNIMPLEMENTED("RValue<UShort4> Average(RValue<UShort4> x, RValue<UShort4> y)");
+	UNIMPLEMENTED_NO_BUG("RValue<UShort4> Average(RValue<UShort4> x, RValue<UShort4> y)");
 	return UShort4(0);
 }
 
@@ -2815,13 +2815,13 @@
 
 RValue<Int4> MulAdd(RValue<Short8> x, RValue<Short8> y)
 {
-	UNIMPLEMENTED("RValue<Int4> MulAdd(RValue<Short8> x, RValue<Short8> y)");
+	UNIMPLEMENTED_NO_BUG("RValue<Int4> MulAdd(RValue<Short8> x, RValue<Short8> y)");
 	return Int4(0);
 }
 
 RValue<Short8> MulHigh(RValue<Short8> x, RValue<Short8> y)
 {
-	UNIMPLEMENTED("RValue<Short8> MulHigh(RValue<Short8> x, RValue<Short8> y)");
+	UNIMPLEMENTED_NO_BUG("RValue<Short8> MulHigh(RValue<Short8> x, RValue<Short8> y)");
 	return Short8(0);
 }
 
@@ -2886,7 +2886,7 @@
 
 RValue<UShort8> MulHigh(RValue<UShort8> x, RValue<UShort8> y)
 {
-	UNIMPLEMENTED("RValue<UShort8> MulHigh(RValue<UShort8> x, RValue<UShort8> y)");
+	UNIMPLEMENTED_NO_BUG("RValue<UShort8> MulHigh(RValue<UShort8> x, RValue<UShort8> y)");
 	return UShort8(0);
 }
 
@@ -3801,7 +3801,7 @@
 
 RValue<Long> Ticks()
 {
-	UNIMPLEMENTED("RValue<Long> Ticks()");
+	UNIMPLEMENTED_NO_BUG("RValue<Long> Ticks()");
 	return Long(Int(0));
 }
 
@@ -3851,12 +3851,12 @@
 
 Value *Nucleus::createMaskedLoad(Value *ptr, Type *elTy, Value *mask, unsigned int alignment, bool zeroMaskedLanes)
 {
-	UNIMPLEMENTED("Subzero createMaskedLoad()");
+	UNIMPLEMENTED_NO_BUG("Subzero createMaskedLoad()");
 	return nullptr;
 }
 void Nucleus::createMaskedStore(Value *ptr, Value *val, Value *mask, unsigned int alignment)
 {
-	UNIMPLEMENTED("Subzero createMaskedStore()");
+	UNIMPLEMENTED_NO_BUG("Subzero createMaskedStore()");
 }
 
 RValue<Float4> Gather(RValue<Pointer<Float>> base, RValue<Int4> offsets, RValue<Int4> mask, unsigned int alignment, bool zeroMaskedLanes /* = false */)
@@ -3983,7 +3983,7 @@
 {
 	if(emulateIntrinsics)
 	{
-		UNIMPLEMENTED("Subzero Ctlz()");
+		UNIMPLEMENTED_NO_BUG("Subzero Ctlz()");
 		return UInt(0);
 	}
 	else
@@ -4003,7 +4003,7 @@
 {
 	if(emulateIntrinsics)
 	{
-		UNIMPLEMENTED("Subzero Ctlz()");
+		UNIMPLEMENTED_NO_BUG("Subzero Ctlz()");
 		return UInt4(0);
 	}
 	else
@@ -4022,7 +4022,7 @@
 {
 	if(emulateIntrinsics)
 	{
-		UNIMPLEMENTED("Subzero Cttz()");
+		UNIMPLEMENTED_NO_BUG("Subzero Cttz()");
 		return UInt(0);
 	}
 	else
@@ -4042,7 +4042,7 @@
 {
 	if(emulateIntrinsics)
 	{
-		UNIMPLEMENTED("Subzero Cttz()");
+		UNIMPLEMENTED_NO_BUG("Subzero Cttz()");
 		return UInt4(0);
 	}
 	else
@@ -4130,7 +4130,7 @@
 	}
 	ASSERT(coroData->mainFiber);
 #else
-	UNIMPLEMENTED("convertThreadToMainFiber not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("convertThreadToMainFiber not implemented for current platform");
 #endif
 }
 
@@ -4147,7 +4147,7 @@
 		coroData->mainFiber = nullptr;
 	}
 #else
-	UNIMPLEMENTED("convertMainFiberToThread not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("convertMainFiberToThread not implemented for current platform");
 #endif
 }
 using FiberFunc = std::function<void()>;
@@ -4172,7 +4172,7 @@
 	coroData->routineFiber = ::CreateFiber(StackSize, &Invoker::fiberEntry, fiberFunc);
 	ASSERT(coroData->routineFiber);
 #else
-	UNIMPLEMENTED("createRoutineFiber not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("createRoutineFiber not implemented for current platform");
 #endif
 }
 
@@ -4184,7 +4184,7 @@
 	::DeleteFiber(coroData->routineFiber);
 	coroData->routineFiber = nullptr;
 #else
-	UNIMPLEMENTED("deleteRoutineFiber not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("deleteRoutineFiber not implemented for current platform");
 #endif
 }
 
@@ -4197,7 +4197,7 @@
 	ASSERT(coroData->mainFiber);
 	::SwitchToFiber(coroData->mainFiber);
 #else
-	UNIMPLEMENTED("switchToMainFiber not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("switchToMainFiber not implemented for current platform");
 #endif
 }
 
@@ -4210,7 +4210,7 @@
 	ASSERT(coroData->routineFiber);
 	::SwitchToFiber(coroData->routineFiber);
 #else
-	UNIMPLEMENTED("switchToRoutineFiber not implemented for current platform");
+	UNIMPLEMENTED_NO_BUG("switchToRoutineFiber not implemented for current platform");
 #endif
 }