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