1//===- SparcSubtarget.cpp - SPARC Subtarget Information -------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the SPARC specific subclass of TargetSubtarget.
11//
12//===----------------------------------------------------------------------===//
13
14#include "SparcSubtarget.h"
15#include "SparcGenSubtarget.inc"
16using namespace llvm;
17
| 1//===- SparcSubtarget.cpp - SPARC Subtarget Information -------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the SPARC specific subclass of TargetSubtarget.
11//
12//===----------------------------------------------------------------------===//
13
14#include "SparcSubtarget.h"
15#include "SparcGenSubtarget.inc"
16using namespace llvm;
17
|
18// FIXME: temporary.
19#include "llvm/Support/CommandLine.h"
20namespace {
21 cl::opt<bool> EnableV9("enable-sparc-v9-insts", cl::Hidden,
22 cl::desc("Enable V9 instructions in the V8 target"));
23}
24
25SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &FS) {
26 // Set the default features.
27 IsV9 = false;
28 V8DeprecatedInsts = false;
29 IsVIS = false;
| 18SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &FS,
19 bool is64Bit) :
20 IsV9(false),
21 V8DeprecatedInsts(false),
22 IsVIS(false),
23 Is64Bit(is64Bit) {
|
30
31 // Determine default and user specified characteristics
| 24
25 // Determine default and user specified characteristics
|
32 std::string CPU = "generic";
| 26 const char *CPU = "v8";
27 if (is64Bit) {
28 CPU = "v9";
29 IsV9 = true;
30 }
|
33
| 31
|
34 // FIXME: autodetect host here!
35 CPU = "v9"; // What is a good way to detect V9?
36
| |
37 // Parse features string.
38 ParseSubtargetFeatures(FS, CPU);
| 32 // Parse features string.
33 ParseSubtargetFeatures(FS, CPU);
|
39
40 // Unless explicitly enabled, disable the V9 instructions.
41 if (!EnableV9)
42 IsV9 = false;
| |
43}
| 34}
|