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// WebAssemblyInstrBulkMemory.td - bulk memory codegen support --*- tablegen -*-
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// WebAssembly bulk memory codegen constructs.
///
//===----------------------------------------------------------------------===//
// Instruction requiring HasBulkMemory and the bulk memory prefix byte
multiclass BULK_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
list<dag> pattern_r, string asmstr_r = "",
string asmstr_s = "", bits<32> simdop = -1> {
defm "" : I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r, asmstr_s,
!or(0xfc00, !and(0xff, simdop))>,
Requires<[HasBulkMemory]>;
}
// Bespoke types and nodes for bulk memory ops
def wasm_memcpy_t : SDTypeProfile<0, 3,
[SDTCisPtrTy<0>, SDTCisPtrTy<1>, SDTCisInt<2>]
>;
def wasm_memcpy : SDNode<"WebAssemblyISD::MEMORY_COPY", wasm_memcpy_t,
[SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
//===----------------------------------------------------------------------===//
// memory.copy
//===----------------------------------------------------------------------===//
let mayLoad = 1, mayStore = 1 in
defm MEMORY_COPY : BULK_I<(outs), (ins I32:$dst, I32:$src, I32:$len),
(outs), (ins),
[(wasm_memcpy I32:$dst, I32:$src, I32:$len)],
"memory.copy\t$dst, $src, $len",
"memory.copy", 0x0a>;
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