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author | Tom Stellard <thomas.stellard@amd.com> | 2012-12-11 21:25:42 +0000 |
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committer | Tom Stellard <thomas.stellard@amd.com> | 2012-12-11 21:25:42 +0000 |
commit | f98f2ce29e6e2996fa58f38979143eceaa818335 (patch) | |
tree | 86dffe7414e6657874db8ac36e5ddcf7d41b2d9c /lib/Target/R600/InstPrinter | |
parent | 57ac1f458a754f30cf500410b438fb260f9b8fe5 (diff) | |
download | llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.tar.gz llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.tar.bz2 llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.tar.xz |
Add R600 backend
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/InstPrinter')
-rw-r--r-- | lib/Target/R600/InstPrinter/AMDGPUInstPrinter.cpp | 132 | ||||
-rw-r--r-- | lib/Target/R600/InstPrinter/AMDGPUInstPrinter.h | 52 | ||||
-rw-r--r-- | lib/Target/R600/InstPrinter/CMakeLists.txt | 7 | ||||
-rw-r--r-- | lib/Target/R600/InstPrinter/LLVMBuild.txt | 24 | ||||
-rw-r--r-- | lib/Target/R600/InstPrinter/Makefile | 15 |
5 files changed, 230 insertions, 0 deletions
diff --git a/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.cpp b/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.cpp new file mode 100644 index 0000000000..e6c550b5ac --- /dev/null +++ b/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.cpp @@ -0,0 +1,132 @@ +//===-- AMDGPUInstPrinter.cpp - AMDGPU MC Inst -> ASM ---------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +// \file +//===----------------------------------------------------------------------===// + +#include "AMDGPUInstPrinter.h" +#include "MCTargetDesc/AMDGPUMCTargetDesc.h" +#include "llvm/MC/MCInst.h" + +using namespace llvm; + +void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, + StringRef Annot) { + printInstruction(MI, OS); + + printAnnotation(OS, Annot); +} + +void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + + const MCOperand &Op = MI->getOperand(OpNo); + if (Op.isReg()) { + switch (Op.getReg()) { + // This is the default predicate state, so we don't need to print it. + case AMDGPU::PRED_SEL_OFF: break; + default: O << getRegisterName(Op.getReg()); break; + } + } else if (Op.isImm()) { + O << Op.getImm(); + } else if (Op.isFPImm()) { + O << Op.getFPImm(); + } else { + assert(!"unknown operand type in printOperand"); + } +} + +void AMDGPUInstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printOperand(MI, OpNo, O); + O << ", "; + printOperand(MI, OpNo + 1, O); +} + +void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo, + raw_ostream &O, StringRef Asm) { + const MCOperand &Op = MI->getOperand(OpNo); + assert(Op.isImm()); + if (Op.getImm() == 1) { + O << Asm; + } +} + +void AMDGPUInstPrinter::printAbs(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, "|"); +} + +void AMDGPUInstPrinter::printClamp(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, "_SAT"); +} + +void AMDGPUInstPrinter::printLiteral(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + union Literal { + float f; + int32_t i; + } L; + + L.i = MI->getOperand(OpNo).getImm(); + O << L.i << "(" << L.f << ")"; +} + +void AMDGPUInstPrinter::printLast(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, " *"); +} + +void AMDGPUInstPrinter::printNeg(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, "-"); +} + +void AMDGPUInstPrinter::printOMOD(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + switch (MI->getOperand(OpNo).getImm()) { + default: break; + case 1: + O << " * 2.0"; + break; + case 2: + O << " * 4.0"; + break; + case 3: + O << " / 2.0"; + break; + } +} + +void AMDGPUInstPrinter::printRel(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + if (Op.getImm() != 0) { + O << " + " << Op.getImm(); + } +} + +void AMDGPUInstPrinter::printUpdateExecMask(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, "ExecMask,"); +} + +void AMDGPUInstPrinter::printUpdatePred(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + printIfSet(MI, OpNo, O, "Pred,"); +} + +void AMDGPUInstPrinter::printWrite(const MCInst *MI, unsigned OpNo, + raw_ostream &O) { + const MCOperand &Op = MI->getOperand(OpNo); + if (Op.getImm() == 0) { + O << " (MASKED)"; + } +} + +#include "AMDGPUGenAsmWriter.inc" diff --git a/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.h b/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.h new file mode 100644 index 0000000000..96e0e46f8a --- /dev/null +++ b/lib/Target/R600/InstPrinter/AMDGPUInstPrinter.h @@ -0,0 +1,52 @@ +//===-- AMDGPUInstPrinter.h - AMDGPU MC Inst -> ASM interface ---*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +/// \file +//===----------------------------------------------------------------------===// + +#ifndef AMDGPUINSTPRINTER_H +#define AMDGPUINSTPRINTER_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/MC/MCInstPrinter.h" +#include "llvm/Support/raw_ostream.h" + +namespace llvm { + +class AMDGPUInstPrinter : public MCInstPrinter { +public: + AMDGPUInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, + const MCRegisterInfo &MRI) + : MCInstPrinter(MAI, MII, MRI) {} + + //Autogenerated by tblgen + void printInstruction(const MCInst *MI, raw_ostream &O); + static const char *getRegisterName(unsigned RegNo); + + virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot); + +private: + void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printIfSet(const MCInst *MI, unsigned OpNo, raw_ostream &O, StringRef Asm); + void printAbs(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printClamp(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printLiteral(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printLast(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printNeg(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printOMOD(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printRel(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printUpdateExecMask(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printUpdatePred(const MCInst *MI, unsigned OpNo, raw_ostream &O); + void printWrite(const MCInst *MI, unsigned OpNo, raw_ostream &O); +}; + +} // End namespace llvm + +#endif // AMDGPUINSTRPRINTER_H diff --git a/lib/Target/R600/InstPrinter/CMakeLists.txt b/lib/Target/R600/InstPrinter/CMakeLists.txt new file mode 100644 index 0000000000..67763374e1 --- /dev/null +++ b/lib/Target/R600/InstPrinter/CMakeLists.txt @@ -0,0 +1,7 @@ +include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. ) + +add_llvm_library(LLVMR600AsmPrinter + AMDGPUInstPrinter.cpp + ) + +add_dependencies(LLVMR600AsmPrinter R600CommonTableGen) diff --git a/lib/Target/R600/InstPrinter/LLVMBuild.txt b/lib/Target/R600/InstPrinter/LLVMBuild.txt new file mode 100644 index 0000000000..ec0be89f10 --- /dev/null +++ b/lib/Target/R600/InstPrinter/LLVMBuild.txt @@ -0,0 +1,24 @@ +;===- ./lib/Target/R600/InstPrinter/LLVMBuild.txt -----------*- Conf -*--===; +; +; The LLVM Compiler Infrastructure +; +; This file is distributed under the University of Illinois Open Source +; License. See LICENSE.TXT for details. +; +;===------------------------------------------------------------------------===; +; +; This is an LLVMBuild description file for the components in this subdirectory. +; +; For more information on the LLVMBuild system, please see: +; +; http://llvm.org/docs/LLVMBuild.html +; +;===------------------------------------------------------------------------===; + +[component_0] +type = Library +name = R600AsmPrinter +parent = R600 +required_libraries = MC Support +add_to_library_groups = R600 + diff --git a/lib/Target/R600/InstPrinter/Makefile b/lib/Target/R600/InstPrinter/Makefile new file mode 100644 index 0000000000..a794cc1124 --- /dev/null +++ b/lib/Target/R600/InstPrinter/Makefile @@ -0,0 +1,15 @@ +#===- lib/Target/R600/AsmPrinter/Makefile ------------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## +LEVEL = ../../../.. +LIBRARYNAME = LLVMR600AsmPrinter + +# Hack: we need to include 'main' x86 target directory to grab private headers +CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/.. + +include $(LEVEL)/Makefile.common |