mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
742f5b57c4
The popc instruction is defined in the SPARCv9 instruction set architecture, but it was emulated on CPUs older than Niagara 2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200131 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
3.3 KiB
TableGen
89 lines
3.3 KiB
TableGen
//===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Target-independent interfaces which we are implementing
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "llvm/Target/Target.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// SPARC Subtarget features.
|
|
//
|
|
|
|
def FeatureV9
|
|
: SubtargetFeature<"v9", "IsV9", "true",
|
|
"Enable SPARC-V9 instructions">;
|
|
def FeatureV8Deprecated
|
|
: SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true",
|
|
"Enable deprecated V8 instructions in V9 mode">;
|
|
def FeatureVIS
|
|
: SubtargetFeature<"vis", "IsVIS", "true",
|
|
"Enable UltraSPARC Visual Instruction Set extensions">;
|
|
|
|
def FeatureHardQuad
|
|
: SubtargetFeature<"hard-quad-float", "HasHardQuad", "true",
|
|
"Enable quad-word floating point instructions">;
|
|
|
|
def UsePopc : SubtargetFeature<"popc", "UsePopc", "true",
|
|
"Use the popc (population count) instruction">;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Register File, Calling Conv, Instruction Descriptions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "SparcRegisterInfo.td"
|
|
include "SparcCallingConv.td"
|
|
include "SparcInstrInfo.td"
|
|
|
|
def SparcInstrInfo : InstrInfo;
|
|
|
|
def SparcAsmParser : AsmParser {
|
|
bit ShouldEmitMatchRegisterName = 0;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// SPARC processors supported.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class Proc<string Name, list<SubtargetFeature> Features>
|
|
: Processor<Name, NoItineraries, Features>;
|
|
|
|
def : Proc<"generic", []>;
|
|
def : Proc<"v7", []>;
|
|
def : Proc<"v8", []>;
|
|
def : Proc<"supersparc", []>;
|
|
def : Proc<"sparclite", []>;
|
|
def : Proc<"f934", []>;
|
|
def : Proc<"hypersparc", []>;
|
|
def : Proc<"sparclite86x", []>;
|
|
def : Proc<"sparclet", []>;
|
|
def : Proc<"tsc701", []>;
|
|
def : Proc<"v9", [FeatureV9]>;
|
|
def : Proc<"ultrasparc", [FeatureV9, FeatureV8Deprecated]>;
|
|
def : Proc<"ultrasparc3", [FeatureV9, FeatureV8Deprecated]>;
|
|
def : Proc<"niagara", [FeatureV9, FeatureV8Deprecated]>;
|
|
def : Proc<"niagara2", [FeatureV9, FeatureV8Deprecated, UsePopc]>;
|
|
def : Proc<"niagara3", [FeatureV9, FeatureV8Deprecated, UsePopc]>;
|
|
def : Proc<"niagara4", [FeatureV9, FeatureV8Deprecated, UsePopc]>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Declare the target which we are implementing
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def Sparc : Target {
|
|
// Pull in Instruction Info:
|
|
let InstructionSet = SparcInstrInfo;
|
|
let AssemblyParsers = [SparcAsmParser];
|
|
}
|