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ffc0e73046
CPU, and feature string. Parsing some asm directives can change subtarget state (e.g. .code 16) and it must be reflected in other modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance must be shared. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134795 91177308-0d34-0410-b5e6-96231b3b80d8
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
//===- PTXSubtarget.cpp - PTX Subtarget Information ---------------*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the PTX specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#include "PTXSubtarget.h"
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#include "PTX.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Target/TargetRegistry.h"
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#define GET_SUBTARGETINFO_ENUM
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#define GET_SUBTARGETINFO_MC_DESC
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#define GET_SUBTARGETINFO_TARGET_DESC
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#define GET_SUBTARGETINFO_CTOR
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#include "PTXGenSubtargetInfo.inc"
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using namespace llvm;
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PTXSubtarget::PTXSubtarget(const std::string &TT, const std::string &CPU,
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const std::string &FS, bool is64Bit)
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: PTXGenSubtargetInfo(TT, CPU, FS),
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PTXTarget(PTX_COMPUTE_1_0),
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PTXVersion(PTX_VERSION_2_0),
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SupportsDouble(false),
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SupportsFMA(true),
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Is64Bit(is64Bit) {
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std::string TARGET = CPU;
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if (TARGET.empty())
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TARGET = "generic";
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ParseSubtargetFeatures(TARGET, FS);
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}
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std::string PTXSubtarget::getTargetString() const {
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switch(PTXTarget) {
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default: llvm_unreachable("Unknown PTX target");
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case PTX_SM_1_0: return "sm_10";
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case PTX_SM_1_1: return "sm_11";
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case PTX_SM_1_2: return "sm_12";
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case PTX_SM_1_3: return "sm_13";
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case PTX_SM_2_0: return "sm_20";
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case PTX_SM_2_1: return "sm_21";
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case PTX_SM_2_2: return "sm_22";
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case PTX_SM_2_3: return "sm_23";
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case PTX_COMPUTE_1_0: return "compute_10";
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case PTX_COMPUTE_1_1: return "compute_11";
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case PTX_COMPUTE_1_2: return "compute_12";
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case PTX_COMPUTE_1_3: return "compute_13";
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case PTX_COMPUTE_2_0: return "compute_20";
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}
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}
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std::string PTXSubtarget::getPTXVersionString() const {
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switch(PTXVersion) {
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default: llvm_unreachable("Unknown PTX version");
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case PTX_VERSION_2_0: return "2.0";
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case PTX_VERSION_2_1: return "2.1";
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case PTX_VERSION_2_2: return "2.2";
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case PTX_VERSION_2_3: return "2.3";
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}
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}
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MCSubtargetInfo *createPTXMCSubtargetInfo(StringRef TT, StringRef CPU,
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StringRef FS) {
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MCSubtargetInfo *X = new MCSubtargetInfo();
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InitPTXMCSubtargetInfo(X, CPU, FS);
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return X;
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}
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extern "C" void LLVMInitializePTXMCSubtargetInfo() {
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TargetRegistry::RegisterMCSubtargetInfo(ThePTX32Target,
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createPTXMCSubtargetInfo);
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TargetRegistry::RegisterMCSubtargetInfo(ThePTX64Target,
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createPTXMCSubtargetInfo);
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}
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