コード例 #1
0
        private static void EmitLoad(AILEmitterCtx Context, AccessType AccType, bool Pair)
        {
            AOpCodeMemEx Op = (AOpCodeMemEx)Context.CurrOp;

            if (AccType.HasFlag(AccessType.Ordered))
            {
                EmitBarrier(Context);
            }

            if (AccType.HasFlag(AccessType.Exclusive))
            {
                EmitMemoryCall(Context, nameof(AMemory.SetExclusive), Op.Rn);
            }

            Context.EmitLdarg(ATranslatedSub.MemoryArgIdx);
            Context.EmitLdint(Op.Rn);

            EmitReadZxCall(Context, Op.Size);

            Context.EmitStintzr(Op.Rt);

            if (Pair)
            {
                Context.EmitLdarg(ATranslatedSub.MemoryArgIdx);
                Context.EmitLdint(Op.Rn);
                Context.EmitLdc_I(8 << Op.Size);

                Context.Emit(OpCodes.Add);

                EmitReadZxCall(Context, Op.Size);

                Context.EmitStintzr(Op.Rt2);
            }
        }
コード例 #2
0
        private static void EmitStore(AILEmitterCtx Context, AccessType AccType, bool Pair)
        {
            AOpCodeMemEx Op = (AOpCodeMemEx)Context.CurrOp;

            bool Ordered   = (AccType & AccessType.Ordered) != 0;
            bool Exclusive = (AccType & AccessType.Exclusive) != 0;

            if (Ordered)
            {
                EmitBarrier(Context);
            }

            AILLabel LblEx  = new AILLabel();
            AILLabel LblEnd = new AILLabel();

            if (Exclusive)
            {
                EmitMemoryCall(Context, nameof(AMemory.TestExclusive), Op.Rn);

                Context.Emit(OpCodes.Brtrue_S, LblEx);

                Context.EmitLdc_I8(1);
                Context.EmitStintzr(Op.Rs);

                Context.Emit(OpCodes.Br_S, LblEnd);
            }

            Context.MarkLabel(LblEx);

            Context.EmitLdarg(ATranslatedSub.MemoryArgIdx);
            Context.EmitLdint(Op.Rn);
            Context.EmitLdintzr(Op.Rt);

            EmitWriteCall(Context, Op.Size);

            if (Pair)
            {
                Context.EmitLdarg(ATranslatedSub.MemoryArgIdx);
                Context.EmitLdint(Op.Rn);
                Context.EmitLdc_I8(1 << Op.Size);

                Context.Emit(OpCodes.Add);

                Context.EmitLdintzr(Op.Rt2);

                EmitWriteCall(Context, Op.Size);
            }

            if (Exclusive)
            {
                Context.EmitLdc_I8(0);
                Context.EmitStintzr(Op.Rs);

                EmitMemoryCall(Context, nameof(AMemory.ClearExclusiveForStore));
            }

            Context.MarkLabel(LblEnd);
        }