1 // WebAssemblyInstrBulkMemory.td - bulk memory codegen support --*- tablegen -*-
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 /// WebAssembly bulk memory codegen constructs.
12 //===----------------------------------------------------------------------===//
14 // Instruction requiring HasBulkMemory and the bulk memory prefix byte
15 multiclass BULK_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
16 list<dag> pattern_r, string asmstr_r = "",
17 string asmstr_s = "", bits<32> simdop = -1> {
18 defm "" : I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r, asmstr_s,
19 !or(0xfc00, !and(0xff, simdop))>,
20 Requires<[HasBulkMemory]>;
23 // Bespoke types and nodes for bulk memory ops
24 def wasm_memcpy_t : SDTypeProfile<0, 5,
25 [SDTCisInt<0>, SDTCisInt<1>, SDTCisPtrTy<2>, SDTCisPtrTy<3>, SDTCisInt<4>]
27 def wasm_memcpy : SDNode<"WebAssemblyISD::MEMORY_COPY", wasm_memcpy_t,
28 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
30 def wasm_memset_t : SDTypeProfile<0, 4,
31 [SDTCisInt<0>, SDTCisPtrTy<1>, SDTCisInt<2>, SDTCisInt<3>]
33 def wasm_memset : SDNode<"WebAssemblyISD::MEMORY_FILL", wasm_memset_t,
34 [SDNPHasChain, SDNPMayStore]>;
36 multiclass BulkMemoryOps<WebAssemblyRegClass rc, string B> {
38 let mayStore = 1, hasSideEffects = 1 in
39 defm MEMORY_INIT_A#B :
41 (ins i32imm_op:$seg, i32imm_op:$idx, rc:$dest,
42 I32:$offset, I32:$size),
43 (outs), (ins i32imm_op:$seg, i32imm_op:$idx),
45 "memory.init\t$seg, $idx, $dest, $offset, $size",
46 "memory.init\t$seg, $idx", 0x08>;
48 let hasSideEffects = 1 in
50 BULK_I<(outs), (ins i32imm_op:$seg), (outs), (ins i32imm_op:$seg),
52 "data.drop\t$seg", "data.drop\t$seg", 0x09>;
54 let mayLoad = 1, mayStore = 1 in
55 defm MEMORY_COPY_A#B :
56 BULK_I<(outs), (ins i32imm_op:$src_idx, i32imm_op:$dst_idx,
57 rc:$dst, rc:$src, rc:$len),
58 (outs), (ins i32imm_op:$src_idx, i32imm_op:$dst_idx),
59 [(wasm_memcpy (i32 imm:$src_idx), (i32 imm:$dst_idx),
60 rc:$dst, rc:$src, rc:$len
62 "memory.copy\t$src_idx, $dst_idx, $dst, $src, $len",
63 "memory.copy\t$src_idx, $dst_idx", 0x0a>;
66 defm MEMORY_FILL_A#B :
67 BULK_I<(outs), (ins i32imm_op:$idx, rc:$dst, I32:$value, rc:$size),
68 (outs), (ins i32imm_op:$idx),
69 [(wasm_memset (i32 imm:$idx), rc:$dst, I32:$value, rc:$size)],
70 "memory.fill\t$idx, $dst, $value, $size",
71 "memory.fill\t$idx", 0x0b>;
74 defm : BulkMemoryOps<I32, "32">;
75 defm : BulkMemoryOps<I64, "64">;