forked from OSchip/llvm-project
76 lines
2.8 KiB
TableGen
76 lines
2.8 KiB
TableGen
// 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, 5,
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[SDTCisInt<0>, SDTCisInt<1>, SDTCisPtrTy<2>, SDTCisPtrTy<3>, SDTCisInt<4>]
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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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def wasm_memset_t : SDTypeProfile<0, 4,
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[SDTCisInt<0>, SDTCisPtrTy<1>, SDTCisInt<2>, SDTCisInt<3>]
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>;
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def wasm_memset : SDNode<"WebAssemblyISD::MEMORY_FILL", wasm_memset_t,
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[SDNPHasChain, SDNPMayStore]>;
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multiclass BulkMemoryOps<WebAssemblyRegClass rc, string B> {
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let mayStore = 1, hasSideEffects = 1 in
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defm MEMORY_INIT_A#B :
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BULK_I<(outs),
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(ins i32imm_op:$seg, i32imm_op:$idx, rc:$dest,
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I32:$offset, I32:$size),
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(outs), (ins i32imm_op:$seg, i32imm_op:$idx),
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[],
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"memory.init\t$seg, $idx, $dest, $offset, $size",
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"memory.init\t$seg, $idx", 0x08>;
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let hasSideEffects = 1 in
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defm DATA_DROP :
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BULK_I<(outs), (ins i32imm_op:$seg), (outs), (ins i32imm_op:$seg),
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[],
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"data.drop\t$seg", "data.drop\t$seg", 0x09>;
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let mayLoad = 1, mayStore = 1 in
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defm MEMORY_COPY_A#B :
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BULK_I<(outs), (ins i32imm_op:$src_idx, i32imm_op:$dst_idx,
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rc:$dst, rc:$src, rc:$len),
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(outs), (ins i32imm_op:$src_idx, i32imm_op:$dst_idx),
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[(wasm_memcpy (i32 imm:$src_idx), (i32 imm:$dst_idx),
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rc:$dst, rc:$src, rc:$len
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)],
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"memory.copy\t$src_idx, $dst_idx, $dst, $src, $len",
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"memory.copy\t$src_idx, $dst_idx", 0x0a>;
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let mayStore = 1 in
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defm MEMORY_FILL_A#B :
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BULK_I<(outs), (ins i32imm_op:$idx, rc:$dst, I32:$value, rc:$size),
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(outs), (ins i32imm_op:$idx),
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[(wasm_memset (i32 imm:$idx), rc:$dst, I32:$value, rc:$size)],
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"memory.fill\t$idx, $dst, $value, $size",
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"memory.fill\t$idx", 0x0b>;
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}
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defm : BulkMemoryOps<I32, "32">;
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defm : BulkMemoryOps<I64, "64">;
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