llvm-6502/lib/Target/PTX/PTXSubtarget.cpp
Evan Cheng 94214703d9 - Added MCSubtargetInfo to capture subtarget features and scheduling
itineraries.
- Refactor TargetSubtarget to be based on MCSubtargetInfo.
- Change tablegen generated subtarget info to initialize MCSubtargetInfo
  and hide more details from targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134257 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01 20:45:01 +00:00

68 lines
2.1 KiB
C++

//===- PTXSubtarget.cpp - PTX Subtarget Information ---------------*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the PTX specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#include "PTXSubtarget.h"
#include "llvm/Support/ErrorHandling.h"
#define GET_SUBTARGETINFO_CTOR
#define GET_SUBTARGETINFO_MC_DESC
#define GET_SUBTARGETINFO_TARGET_DESC
#include "PTXGenSubtarget.inc"
using namespace llvm;
PTXSubtarget::PTXSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, bool is64Bit)
: PTXGenSubtargetInfo(),
PTXTarget(PTX_COMPUTE_1_0),
PTXVersion(PTX_VERSION_2_0),
SupportsDouble(false),
SupportsFMA(true),
Is64Bit(is64Bit) {
std::string TARGET = CPU;
if (TARGET.empty())
TARGET = "generic";
ParseSubtargetFeatures(FS, TARGET);
}
std::string PTXSubtarget::getTargetString() const {
switch(PTXTarget) {
default: llvm_unreachable("Unknown PTX target");
case PTX_SM_1_0: return "sm_10";
case PTX_SM_1_1: return "sm_11";
case PTX_SM_1_2: return "sm_12";
case PTX_SM_1_3: return "sm_13";
case PTX_SM_2_0: return "sm_20";
case PTX_SM_2_1: return "sm_21";
case PTX_SM_2_2: return "sm_22";
case PTX_SM_2_3: return "sm_23";
case PTX_COMPUTE_1_0: return "compute_10";
case PTX_COMPUTE_1_1: return "compute_11";
case PTX_COMPUTE_1_2: return "compute_12";
case PTX_COMPUTE_1_3: return "compute_13";
case PTX_COMPUTE_2_0: return "compute_20";
}
}
std::string PTXSubtarget::getPTXVersionString() const {
switch(PTXVersion) {
default: llvm_unreachable("Unknown PTX version");
case PTX_VERSION_2_0: return "2.0";
case PTX_VERSION_2_1: return "2.1";
case PTX_VERSION_2_2: return "2.2";
case PTX_VERSION_2_3: return "2.3";
}
}
#include "PTXGenSubtarget.inc"