ARM: Introduce new VFP base classes that are optionally microops.

1 files changed, 121 insertions, 0 deletions

diff --git a/src/arch/arm/insts/vfp.hh b/src/arch/arm/insts/vfp.hh
new file mode 100644
index 000000000..8cffb276e
--- /dev/null
+++ b/src/arch/arm/insts/vfp.hh
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2010 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __ARCH_ARM_INSTS_VFP_HH__
+#define __ARCH_ARM_INSTS_VFP_HH__
+
+#include "arch/arm/insts/misc.hh"
+
+enum VfpMicroMode {
+    VfpNotAMicroop,
+    VfpMicroop,
+    VfpFirstMicroop,
+    VfpLastMicroop
+};
+
+template<class T>
+static inline void
+setVfpMicroFlags(VfpMicroMode mode, T &flags)
+{
+    switch (mode) {
+      case VfpMicroop:
+        flags[StaticInst::IsMicroop] = true;
+        break;
+      case VfpFirstMicroop:
+        flags[StaticInst::IsMicroop] =
+            flags[StaticInst::IsFirstMicroop] = true;
+        break;
+      case VfpLastMicroop:
+        flags[StaticInst::IsMicroop] =
+            flags[StaticInst::IsLastMicroop] = true;
+        break;
+      case VfpNotAMicroop:
+        break;
+    }
+}
+
+class VfpRegRegOp : public RegRegOp
+{
+  protected:
+    VfpRegRegOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+                IntRegIndex _dest, IntRegIndex _op1,
+                VfpMicroMode mode = VfpNotAMicroop) :
+        RegRegOp(mnem, _machInst, __opClass, _dest, _op1)
+    {
+        setVfpMicroFlags(mode, flags);
+    }
+};
+
+class VfpRegImmOp : public RegImmOp
+{
+  protected:
+    VfpRegImmOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+                IntRegIndex _dest, uint64_t _imm,
+                VfpMicroMode mode = VfpNotAMicroop) :
+        RegImmOp(mnem, _machInst, __opClass, _dest, _imm)
+    {
+        setVfpMicroFlags(mode, flags);
+    }
+};
+
+class VfpRegRegImmOp : public RegRegImmOp
+{
+  protected:
+    VfpRegRegImmOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+                   IntRegIndex _dest, IntRegIndex _op1,
+                   uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop) :
+        RegRegImmOp(mnem, _machInst, __opClass, _dest, _op1, _imm)
+    {
+        setVfpMicroFlags(mode, flags);
+    }
+};
+
+class VfpRegRegRegOp : public RegRegRegOp
+{
+  protected:
+    VfpRegRegRegOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
+                   IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
+                   VfpMicroMode mode = VfpNotAMicroop) :
+        RegRegRegOp(mnem, _machInst, __opClass, _dest, _op1, _op2)
+    {
+        setVfpMicroFlags(mode, flags);
+    }
+};
+
+#endif //__ARCH_ARM_INSTS_VFP_HH__