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llvm-mirror/lib/Target/WebAssembly/WebAssembly.td
JF Bastien 0149d0fb75 WebAssembly: add a generic CPU
Summary: WebAssemblySubtarget.cpp expects a default 'generic' CPU to exist, and this seems to be prevalent with other targets. It makes sense to have something between MVP and bleeding-edge, even though for now it's the same as MVP. This removes a warning that's currently generated.

Subscribers: jfb, llvm-commits, sunfish

Differential Revision: http://reviews.llvm.org/D11546

llvm-svn: 243345
2015-07-27 23:25:54 +00:00

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2.5 KiB
TableGen

//- WebAssembly.td - Describe the WebAssembly Target Machine --*- tablegen -*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is a target description file for the WebAssembly architecture, which is
// also known as "wasm".
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Target-independent interfaces which we are implementing
//===----------------------------------------------------------------------===//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
// WebAssembly Subtarget features.
//===----------------------------------------------------------------------===//
def FeatureSIMD128 : SubtargetFeature<"simd128", "HasSIMD128", "false",
"Enable 128-bit SIMD">;
//===----------------------------------------------------------------------===//
// Architectures.
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
include "WebAssemblyRegisterInfo.td"
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
include "WebAssemblyInstrInfo.td"
def WebAssemblyInstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// WebAssembly Processors supported.
//===----------------------------------------------------------------------===//
// Minimal Viable Product.
def : ProcessorModel<"mvp", NoSchedModel, []>;
// Generic processor: latest stable version.
def : ProcessorModel<"generic", NoSchedModel, []>;
// Latest and greatest experimental version of WebAssembly. Bugs included!
def : ProcessorModel<"bleeding-edge", NoSchedModel, [FeatureSIMD128]>;
//===----------------------------------------------------------------------===//
// Target Declaration
//===----------------------------------------------------------------------===//
def WebAssembly : Target {
let InstructionSet = WebAssemblyInstrInfo;
}