shader: read S_MEMREALTIME from the host device clock shifted to about 100 MHz

src/graphics/shader/recompiler/backend/spirv/spirvEmitterProgram.cpp

@@ -235,9 +235,9 @@ void EmitDirectInstruction(ValueEmitContext& ctx, const IR::Inst& inst) {
 	const auto op = inst.GetOpcode();
 	if (ctx.half != 0 &&
 	    (op == Op::Ballot || op == Op::ReadFirstLane || op == Op::SubgroupUMinU32 ||
-	     op == Op::ReadConstBuffer ||
+	     op == Op::ReadConstBuffer || op == Op::ReadRealtimeClock ||
 	     (op == Op::LoadAddressU32 && ctx.Memory(inst).kind == IR::ResourceKind::ScalarAddress))) {
-		// Whole-wave results and SMEM loads (SGPR operands, no EXEC) are identical in both halves.
+		// Whole-wave results, clocks and SMEM loads (SGPR operands, no EXEC) match in both halves.
 		ctx.Define(inst, ctx.other_half->Result(inst));
 		return;
 	}