Changes to allow for a configurable target machine that allows big endian and/or long pointer operation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5131 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 0eb71da..18656af 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -5,11 +5,11 @@
//===----------------------------------------------------------------------===//
#include "X86TargetMachine.h"
+#include "X86.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Target/TargetMachineImpls.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/PassManager.h"
-#include "X86.h"
#include "Support/CommandLine.h"
#include "Support/Statistic.h"
#include <iostream>
@@ -17,17 +17,26 @@
namespace {
cl::opt<bool> NoLocalRA("no-local-ra",
cl::desc("Use Simple RA instead of Local RegAlloc"));
+ cl::opt<bool> PrintCode("print-machineinstrs",
+ cl::desc("Print generated machine code"));
}
// allocateX86TargetMachine - Allocate and return a subclass of TargetMachine
// that implements the X86 backend.
//
-TargetMachine *allocateX86TargetMachine() { return new X86TargetMachine(); }
+TargetMachine *allocateX86TargetMachine(unsigned Configuration) {
+ return new X86TargetMachine(Configuration);
+}
/// X86TargetMachine ctor - Create an ILP32 architecture model
///
-X86TargetMachine::X86TargetMachine() : TargetMachine("X86", 1, 4, 4, 4) {
+X86TargetMachine::X86TargetMachine(unsigned Config)
+ : TargetMachine("X86",
+ (Config & TM::EndianMask) == TM::LittleEndian,
+ 1, 4,
+ (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4,
+ (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4) {
}
@@ -46,7 +55,8 @@
// TODO: optional optimizations go here
// Print the instruction selected machine code...
- DEBUG(PM.add(createMachineFunctionPrinterPass()));
+ if (PrintCode)
+ PM.add(createMachineFunctionPrinterPass());
// Perform register allocation to convert to a concrete x86 representation
if (NoLocalRA)
@@ -58,7 +68,8 @@
// PM.add(createMachineFunctionPrinterPass());
// Print the register-allocated code
- DEBUG(PM.add(createX86CodePrinterPass(*this, std::cerr)));
+ if (PrintCode)
+ PM.add(createX86CodePrinterPass(*this, std::cerr));
return false; // success!
}