1 //=====-- PPCSubtarget.h - Define Subtarget for the PPC -------*- C++ -*--====//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by Nate Begeman and is distributed under the
6 // University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the PowerPC specific subclass of TargetSubtarget.
12 //===----------------------------------------------------------------------===//
14 #ifndef POWERPCSUBTARGET_H
15 #define POWERPCSUBTARGET_H
17 #include "llvm/Target/TargetSubtarget.h"
24 class PPCSubtarget : public TargetSubtarget {
26 /// stackAlignment - The minimum alignment known to hold of the stack frame on
27 /// entry to the function and which must be maintained by every function.
28 unsigned StackAlignment;
30 /// Used by the ISel to turn in optimizations for POWER4-derived architectures
39 /// This constructor initializes the data members to match that
40 /// of the specified module.
42 PPCSubtarget(const Module &M, const std::string &FS);
44 /// ParseSubtargetFeatures - Parses features string setting specified
45 /// subtarget options. Definition of function is auto generated by tblgen.
46 void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
48 /// getStackAlignment - Returns the minimum alignment known to hold of the
49 /// stack frame on entry to the function and which must be maintained by every
50 /// function for this subtarget.
51 unsigned getStackAlignment() const { return StackAlignment; }
53 bool hasFSQRT() const { return HasFSQRT; }
54 bool has64BitRegs() const { return Has64BitRegs; }
55 bool hasAltivec() const { return HasAltivec; }
57 bool isAIX() const { return IsAIX; }
58 bool isDarwin() const { return IsDarwin; }
59 bool is64Bit() const { return Is64Bit; }
60 bool isGigaProcessor() const { return IsGigaProcessor; }
62 } // End llvm namespace