Main CellSPU backend files checked in. Intrinsics and autoconf files
remain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44595 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUSubtarget.h b/lib/Target/CellSPU/SPUSubtarget.h
new file mode 100644
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+++ b/lib/Target/CellSPU/SPUSubtarget.h
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+//=====-- SPUSubtarget.h - Define Subtarget for the Cell SPU -----*- C++ -*--=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by a team from the Computer Systems Research
+// Department at The Aerospace Corporation.
+//
+// See README.txt for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Cell SPU-specific subclass of TargetSubtarget.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef POWERPCSUBTARGET_H
+#define POWERPCSUBTARGET_H
+
+#include "llvm/Target/TargetInstrItineraries.h"
+#include "llvm/Target/TargetSubtarget.h"
+
+#include <string>
+
+namespace llvm {
+ class Module;
+ class GlobalValue;
+ class TargetMachine;
+
+ namespace SPU {
+ enum {
+ DEFAULT_PROC
+ };
+ }
+
+ class SPUSubtarget : public TargetSubtarget {
+ protected:
+ const TargetMachine &TM;
+
+ /// stackAlignment - The minimum alignment known to hold of the stack frame
+ /// on entry to the function and which must be maintained by every function.
+ unsigned StackAlignment;
+
+ /// Selected instruction itineraries (one entry per itinerary class.)
+ InstrItineraryData InstrItins;
+
+ /// Which SPU processor (this isn't really used, but it's there to keep
+ /// the C compiler happy)
+ unsigned ProcDirective;
+
+ /// Use (assume) large memory -- effectively disables the LQA/STQA
+ /// instructions that assume 259K local store.
+ bool UseLargeMem;
+
+ public:
+ /// This constructor initializes the data members to match that
+ /// of the specified module.
+ ///
+ SPUSubtarget(const TargetMachine &TM, const Module &M,
+ const std::string &FS);
+
+ /// ParseSubtargetFeatures - Parses features string setting specified
+ /// subtarget options. Definition of function is auto generated by tblgen.
+ void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+
+ /// SetJITMode - This is called to inform the subtarget info that we are
+ /// producing code for the JIT.
+ void SetJITMode();
+
+ /// getStackAlignment - Returns the minimum alignment known to hold of the
+ /// stack frame on entry to the function and which must be maintained by
+ /// every function for this subtarget.
+ unsigned getStackAlignment() const { return StackAlignment; }
+
+ /// getInstrItins - Return the instruction itineraies based on subtarget
+ /// selection.
+ const InstrItineraryData &getInstrItineraryData() const {
+ return InstrItins;
+ }
+
+ /// Use large memory addressing predicate
+ bool usingLargeMem() const {
+ return UseLargeMem;
+ }
+
+ /// getTargetDataString - Return the pointer size and type alignment
+ /// properties of this subtarget.
+ const char *getTargetDataString() const {
+ return "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128"
+ "-i16:16:128-i8:8:128-i1:8:128-a:0:128-v128:128:128"
+ "-s:128:128";
+ }
+ };
+} // End llvm namespace
+
+#endif