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add support for the sparcv9-*-* target triple to turn on

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64-bit sparc codegen.  Patch by Nathan Keynes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95293 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-02-04 06:34:01 +00:00
parent 4633306844
commit 87c06d6179
10 changed files with 77 additions and 33 deletions
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31
lib/Target/Sparc/SparcSubtarget.cpp
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@ -15,29 +15,20 @@
#include "SparcGenSubtarget.inc"
using namespace llvm;
// FIXME: temporary.
#include "llvm/Support/CommandLine.h"
namespace {
cl::opt<bool> EnableV9("enable-sparc-v9-insts", cl::Hidden,
cl::desc("Enable V9 instructions in the V8 target"));
}
SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &FS) {
// Set the default features.
IsV9 = false;
V8DeprecatedInsts = false;
IsVIS = false;
SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &FS,
bool is64Bit) :
IsV9(false),
V8DeprecatedInsts(false),
IsVIS(false),
Is64Bit(is64Bit) {
// Determine default and user specified characteristics
std::string CPU = "generic";
const char *CPU = "v8";
if (is64Bit) {
CPU = "v9";
IsV9 = true;
}
// FIXME: autodetect host here!
CPU = "v9"; // What is a good way to detect V9?
// Parse features string.
ParseSubtargetFeatures(FS, CPU);
// Unless explicitly enabled, disable the V9 instructions.
if (!EnableV9)
IsV9 = false;
}