llvm-6502/lib/Target/WebAssembly/WebAssemblyInstrFormats.td
JF Bastien e812ce5cbe WebAssembly: add basic int/fp instruction codegen.
Summary: This patch has the most basic instruction codegen for 32 and 64 bit int/fp.

Reviewers: sunfish

Subscribers: llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11193

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242201 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-14 21:13:29 +00:00

56 lines
2.1 KiB
TableGen

// WebAssemblyInstrFormats.td - WebAssembly Instruction Formats -*- tblgen -*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief WebAssembly instruction format definitions.
///
//===----------------------------------------------------------------------===//
// WebAssembly Instruction Format
class WebAssemblyInst<string cstr> : Instruction {
field bits<0> Inst; // Instruction encoding.
let Namespace = "WebAssembly";
let Pattern = [];
let Constraints = cstr;
}
// Normal instructions
class I<dag oops, dag iops, list<dag> pattern, string cstr = "">
: WebAssemblyInst<cstr> {
dag OutOperandList = oops;
dag InOperandList = iops;
let Pattern = pattern;
}
// Unary and binary instructions, for the local types that WebAssembly supports.
multiclass UnaryInt<SDNode node> {
def _I32 : I<(outs Int32:$dst), (ins Int32:$src),
[(set Int32:$dst, (node Int32:$src))]>;
def _I64 : I<(outs Int64:$dst), (ins Int64:$src),
[(set Int64:$dst, (node Int64:$src))]>;
}
multiclass BinaryInt<SDNode node> {
def _I32 : I<(outs Int32:$dst), (ins Int32:$lhs, Int32:$rhs),
[(set Int32:$dst, (node Int32:$lhs, Int32:$rhs))]>;
def _I64 : I<(outs Int64:$dst), (ins Int64:$lhs, Int64:$rhs),
[(set Int64:$dst, (node Int64:$lhs, Int64:$rhs))]>;
}
multiclass UnaryFP<SDNode node> {
def _F32 : I<(outs Float32:$dst), (ins Float32:$src),
[(set Float32:$dst, (node Float32:$src))]>;
def _F64 : I<(outs Float64:$dst), (ins Float64:$src),
[(set Float64:$dst, (node Float64:$src))]>;
}
multiclass BinaryFP<SDNode node> {
def _F32 : I<(outs Float32:$dst), (ins Float32:$lhs, Float32:$rhs),
[(set Float32:$dst, (node Float32:$lhs, Float32:$rhs))]>;
def _F64 : I<(outs Float64:$dst), (ins Float64:$lhs, Float64:$rhs),
[(set Float64:$dst, (node Float64:$lhs, Float64:$rhs))]>;
}