1 //===- PTXSubtarget.cpp - PTX Subtarget Information ---------------*- C++ -*-=//
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 PTX specific subclass of TargetSubtargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "PTXSubtarget.h"
15 #include "PTX.h"
16 #include "llvm/Support/ErrorHandling.h"
17 #include "llvm/Support/TargetRegistry.h"
18
19 #define GET_SUBTARGETINFO_TARGET_DESC
20 #define GET_SUBTARGETINFO_CTOR
21 #include "PTXGenSubtargetInfo.inc"
22
23 using namespace llvm;
24
PTXSubtarget(const std::string & TT,const std::string & CPU,const std::string & FS,bool is64Bit)25 PTXSubtarget::PTXSubtarget(const std::string &TT, const std::string &CPU,
26 const std::string &FS, bool is64Bit)
27 : PTXGenSubtargetInfo(TT, CPU, FS),
28 PTXTarget(PTX_COMPUTE_1_0),
29 PTXVersion(PTX_VERSION_2_0),
30 SupportsDouble(false),
31 SupportsFMA(true),
32 Is64Bit(is64Bit) {
33 std::string TARGET = CPU;
34 if (TARGET.empty())
35 TARGET = "generic";
36 ParseSubtargetFeatures(TARGET, FS);
37 }
38
getTargetString() const39 std::string PTXSubtarget::getTargetString() const {
40 switch(PTXTarget) {
41 default: llvm_unreachable("Unknown PTX target");
42 case PTX_SM_1_0: return "sm_10";
43 case PTX_SM_1_1: return "sm_11";
44 case PTX_SM_1_2: return "sm_12";
45 case PTX_SM_1_3: return "sm_13";
46 case PTX_SM_2_0: return "sm_20";
47 case PTX_SM_2_1: return "sm_21";
48 case PTX_SM_2_2: return "sm_22";
49 case PTX_SM_2_3: return "sm_23";
50 case PTX_COMPUTE_1_0: return "compute_10";
51 case PTX_COMPUTE_1_1: return "compute_11";
52 case PTX_COMPUTE_1_2: return "compute_12";
53 case PTX_COMPUTE_1_3: return "compute_13";
54 case PTX_COMPUTE_2_0: return "compute_20";
55 }
56 }
57
getPTXVersionString() const58 std::string PTXSubtarget::getPTXVersionString() const {
59 switch(PTXVersion) {
60 default: llvm_unreachable("Unknown PTX version");
61 case PTX_VERSION_2_0: return "2.0";
62 case PTX_VERSION_2_1: return "2.1";
63 case PTX_VERSION_2_2: return "2.2";
64 case PTX_VERSION_2_3: return "2.3";
65 }
66 }
67