1// WebAssemblyInstrSIMD.td - WebAssembly SIMD codegen support -*- tablegen -*-//
2//
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
6//
7//===----------------------------------------------------------------------===//
8///
9/// \file
10/// WebAssembly SIMD operand code-gen constructs.
11///
12//===----------------------------------------------------------------------===//
13
14// Instructions requiring HasSIMD128 and the simd128 prefix byte
15multiclass SIMD_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(0xfd00, !and(0xff, simdop))>,
20            Requires<[HasSIMD128]>;
21}
22
23defm "" : ARGUMENT<V128, v16i8>;
24defm "" : ARGUMENT<V128, v8i16>;
25defm "" : ARGUMENT<V128, v4i32>;
26defm "" : ARGUMENT<V128, v2i64>;
27defm "" : ARGUMENT<V128, v4f32>;
28defm "" : ARGUMENT<V128, v2f64>;
29
30// Constrained immediate argument types
31foreach SIZE = [8, 16] in
32def ImmI#SIZE : ImmLeaf<i32,
33  "return -(1 << ("#SIZE#" - 1)) <= Imm && Imm < (1 << ("#SIZE#" - 1));"
34>;
35foreach SIZE = [2, 4, 8, 16, 32] in
36def LaneIdx#SIZE : ImmLeaf<i32, "return 0 <= Imm && Imm < "#SIZE#";">;
37
38//===----------------------------------------------------------------------===//
39// Load and store
40//===----------------------------------------------------------------------===//
41
42// Load: v128.load
43let mayLoad = 1, UseNamedOperandTable = 1 in {
44defm LOAD_V128_A32 :
45  SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
46         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
47         "v128.load\t$dst, ${off}(${addr})$p2align",
48         "v128.load\t$off$p2align", 0>;
49defm LOAD_V128_A64 :
50  SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
51         (outs), (ins P2Align:$p2align, offset64_op:$off), [],
52         "v128.load\t$dst, ${off}(${addr})$p2align",
53         "v128.load\t$off$p2align", 0>;
54}
55
56// Def load and store patterns from WebAssemblyInstrMemory.td for vector types
57foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
58defm : LoadPatNoOffset<vec_t, load, "LOAD_V128">;
59defm : LoadPatImmOff<vec_t, load, regPlusImm, "LOAD_V128">;
60defm : LoadPatImmOff<vec_t, load, or_is_add, "LOAD_V128">;
61defm : LoadPatOffsetOnly<vec_t, load, "LOAD_V128">;
62defm : LoadPatGlobalAddrOffOnly<vec_t, load, "LOAD_V128">;
63}
64
65// vNxM.load_splat
66multiclass SIMDLoadSplat<string vec, bits<32> simdop> {
67  let mayLoad = 1, UseNamedOperandTable = 1 in {
68  defm LOAD_SPLAT_#vec#_A32 :
69    SIMD_I<(outs V128:$dst),
70           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
71           (outs),
72           (ins P2Align:$p2align, offset32_op:$off), [],
73           vec#".load_splat\t$dst, ${off}(${addr})$p2align",
74           vec#".load_splat\t$off$p2align", simdop>;
75  defm LOAD_SPLAT_#vec#_A64 :
76    SIMD_I<(outs V128:$dst),
77           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
78           (outs),
79           (ins P2Align:$p2align, offset64_op:$off), [],
80           vec#".load_splat\t$dst, ${off}(${addr})$p2align",
81           vec#".load_splat\t$off$p2align", simdop>;
82  }
83}
84
85defm "" : SIMDLoadSplat<"v8x16", 7>;
86defm "" : SIMDLoadSplat<"v16x8", 8>;
87defm "" : SIMDLoadSplat<"v32x4", 9>;
88defm "" : SIMDLoadSplat<"v64x2", 10>;
89
90def wasm_load_splat_t : SDTypeProfile<1, 1, [SDTCisPtrTy<1>]>;
91def wasm_load_splat : SDNode<"WebAssemblyISD::LOAD_SPLAT", wasm_load_splat_t,
92                             [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
93def load_splat : PatFrag<(ops node:$addr), (wasm_load_splat node:$addr)>;
94
95foreach args = [["v16i8", "v8x16"], ["v8i16", "v16x8"], ["v4i32", "v32x4"],
96                ["v2i64", "v64x2"], ["v4f32", "v32x4"], ["v2f64", "v64x2"]] in {
97defm : LoadPatNoOffset<!cast<ValueType>(args[0]),
98                       load_splat,
99                       "LOAD_SPLAT_"#args[1]>;
100defm : LoadPatImmOff<!cast<ValueType>(args[0]),
101                     load_splat,
102                     regPlusImm,
103                     "LOAD_SPLAT_"#args[1]>;
104defm : LoadPatImmOff<!cast<ValueType>(args[0]),
105                     load_splat,
106                     or_is_add,
107                     "LOAD_SPLAT_"#args[1]>;
108defm : LoadPatOffsetOnly<!cast<ValueType>(args[0]),
109                         load_splat,
110                         "LOAD_SPLAT_"#args[1]>;
111defm : LoadPatGlobalAddrOffOnly<!cast<ValueType>(args[0]),
112                                load_splat,
113                                "LOAD_SPLAT_"#args[1]>;
114}
115
116// Load and extend
117multiclass SIMDLoadExtend<ValueType vec_t, string name, bits<32> simdop> {
118  let mayLoad = 1, UseNamedOperandTable = 1 in {
119  defm LOAD_EXTEND_S_#vec_t#_A32 :
120    SIMD_I<(outs V128:$dst),
121           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
122           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
123           name#"_s\t$dst, ${off}(${addr})$p2align",
124           name#"_s\t$off$p2align", simdop>;
125  defm LOAD_EXTEND_U_#vec_t#_A32 :
126    SIMD_I<(outs V128:$dst),
127           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
128           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
129           name#"_u\t$dst, ${off}(${addr})$p2align",
130           name#"_u\t$off$p2align", !add(simdop, 1)>;
131  defm LOAD_EXTEND_S_#vec_t#_A64 :
132    SIMD_I<(outs V128:$dst),
133           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
134           (outs), (ins P2Align:$p2align, offset64_op:$off), [],
135           name#"_s\t$dst, ${off}(${addr})$p2align",
136           name#"_s\t$off$p2align", simdop>;
137  defm LOAD_EXTEND_U_#vec_t#_A64 :
138    SIMD_I<(outs V128:$dst),
139           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
140           (outs), (ins P2Align:$p2align, offset64_op:$off), [],
141           name#"_u\t$dst, ${off}(${addr})$p2align",
142           name#"_u\t$off$p2align", !add(simdop, 1)>;
143  }
144}
145
146defm "" : SIMDLoadExtend<v8i16, "i16x8.load8x8", 1>;
147defm "" : SIMDLoadExtend<v4i32, "i32x4.load16x4", 3>;
148defm "" : SIMDLoadExtend<v2i64, "i64x2.load32x2", 5>;
149
150foreach types = [[v8i16, i8], [v4i32, i16], [v2i64, i32]] in
151foreach exts = [["sextloadv", "_S"],
152                ["zextloadv", "_U"],
153                ["extloadv", "_U"]] in {
154defm : LoadPatNoOffset<types[0], !cast<PatFrag>(exts[0]#types[1]),
155                       "LOAD_EXTEND"#exts[1]#"_"#types[0]>;
156defm : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), regPlusImm,
157                     "LOAD_EXTEND"#exts[1]#"_"#types[0]>;
158defm : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), or_is_add,
159                     "LOAD_EXTEND"#exts[1]#"_"#types[0]>;
160defm : LoadPatOffsetOnly<types[0], !cast<PatFrag>(exts[0]#types[1]),
161                         "LOAD_EXTEND"#exts[1]#"_"#types[0]>;
162defm : LoadPatGlobalAddrOffOnly<types[0], !cast<PatFrag>(exts[0]#types[1]),
163                                "LOAD_EXTEND"#exts[1]#"_"#types[0]>;
164}
165
166
167// Store: v128.store
168let mayStore = 1, UseNamedOperandTable = 1 in {
169defm STORE_V128_A32 :
170  SIMD_I<(outs), (ins P2Align:$p2align, offset32_op:$off, I32:$addr, V128:$vec),
171         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
172         "v128.store\t${off}(${addr})$p2align, $vec",
173         "v128.store\t$off$p2align", 11>;
174defm STORE_V128_A64 :
175  SIMD_I<(outs), (ins P2Align:$p2align, offset64_op:$off, I64:$addr, V128:$vec),
176         (outs), (ins P2Align:$p2align, offset64_op:$off), [],
177         "v128.store\t${off}(${addr})$p2align, $vec",
178         "v128.store\t$off$p2align", 11>;
179}
180foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
181// Def load and store patterns from WebAssemblyInstrMemory.td for vector types
182defm : StorePatNoOffset<vec_t, store, "STORE_V128">;
183defm : StorePatImmOff<vec_t, store, regPlusImm, "STORE_V128">;
184defm : StorePatImmOff<vec_t, store, or_is_add, "STORE_V128">;
185defm : StorePatOffsetOnly<vec_t, store, "STORE_V128">;
186defm : StorePatGlobalAddrOffOnly<vec_t, store, "STORE_V128">;
187}
188
189//===----------------------------------------------------------------------===//
190// Constructing SIMD values
191//===----------------------------------------------------------------------===//
192
193// Constant: v128.const
194multiclass ConstVec<ValueType vec_t, dag ops, dag pat, string args> {
195  let isMoveImm = 1, isReMaterializable = 1,
196      Predicates = [HasUnimplementedSIMD128] in
197  defm CONST_V128_#vec_t : SIMD_I<(outs V128:$dst), ops, (outs), ops,
198                                  [(set V128:$dst, (vec_t pat))],
199                                  "v128.const\t$dst, "#args,
200                                  "v128.const\t"#args, 12>;
201}
202
203defm "" : ConstVec<v16i8,
204                   (ins vec_i8imm_op:$i0, vec_i8imm_op:$i1,
205                        vec_i8imm_op:$i2, vec_i8imm_op:$i3,
206                        vec_i8imm_op:$i4, vec_i8imm_op:$i5,
207                        vec_i8imm_op:$i6, vec_i8imm_op:$i7,
208                        vec_i8imm_op:$i8, vec_i8imm_op:$i9,
209                        vec_i8imm_op:$iA, vec_i8imm_op:$iB,
210                        vec_i8imm_op:$iC, vec_i8imm_op:$iD,
211                        vec_i8imm_op:$iE, vec_i8imm_op:$iF),
212                   (build_vector ImmI8:$i0, ImmI8:$i1, ImmI8:$i2, ImmI8:$i3,
213                                 ImmI8:$i4, ImmI8:$i5, ImmI8:$i6, ImmI8:$i7,
214                                 ImmI8:$i8, ImmI8:$i9, ImmI8:$iA, ImmI8:$iB,
215                                 ImmI8:$iC, ImmI8:$iD, ImmI8:$iE, ImmI8:$iF),
216                   !strconcat("$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7, ",
217                              "$i8, $i9, $iA, $iB, $iC, $iD, $iE, $iF")>;
218defm "" : ConstVec<v8i16,
219                   (ins vec_i16imm_op:$i0, vec_i16imm_op:$i1,
220                        vec_i16imm_op:$i2, vec_i16imm_op:$i3,
221                        vec_i16imm_op:$i4, vec_i16imm_op:$i5,
222                        vec_i16imm_op:$i6, vec_i16imm_op:$i7),
223                   (build_vector
224                     ImmI16:$i0, ImmI16:$i1, ImmI16:$i2, ImmI16:$i3,
225                     ImmI16:$i4, ImmI16:$i5, ImmI16:$i6, ImmI16:$i7),
226                   "$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7">;
227let IsCanonical = 1 in
228defm "" : ConstVec<v4i32,
229                   (ins vec_i32imm_op:$i0, vec_i32imm_op:$i1,
230                        vec_i32imm_op:$i2, vec_i32imm_op:$i3),
231                   (build_vector (i32 imm:$i0), (i32 imm:$i1),
232                                 (i32 imm:$i2), (i32 imm:$i3)),
233                   "$i0, $i1, $i2, $i3">;
234defm "" : ConstVec<v2i64,
235                   (ins vec_i64imm_op:$i0, vec_i64imm_op:$i1),
236                   (build_vector (i64 imm:$i0), (i64 imm:$i1)),
237                   "$i0, $i1">;
238defm "" : ConstVec<v4f32,
239                   (ins f32imm_op:$i0, f32imm_op:$i1,
240                        f32imm_op:$i2, f32imm_op:$i3),
241                   (build_vector (f32 fpimm:$i0), (f32 fpimm:$i1),
242                                 (f32 fpimm:$i2), (f32 fpimm:$i3)),
243                   "$i0, $i1, $i2, $i3">;
244defm "" : ConstVec<v2f64,
245                  (ins f64imm_op:$i0, f64imm_op:$i1),
246                  (build_vector (f64 fpimm:$i0), (f64 fpimm:$i1)),
247                  "$i0, $i1">;
248
249// Shuffle lanes: shuffle
250defm SHUFFLE :
251  SIMD_I<(outs V128:$dst),
252         (ins V128:$x, V128:$y,
253           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
254           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
255           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
256           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
257           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
258           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
259           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
260           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
261         (outs),
262         (ins
263           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
264           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
265           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
266           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
267           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
268           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
269           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
270           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
271         [],
272         "v8x16.shuffle\t$dst, $x, $y, "#
273           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
274           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
275         "v8x16.shuffle\t"#
276           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
277           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
278         13>;
279
280// Shuffles after custom lowering
281def wasm_shuffle_t : SDTypeProfile<1, 18, []>;
282def wasm_shuffle : SDNode<"WebAssemblyISD::SHUFFLE", wasm_shuffle_t>;
283foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
284def : Pat<(vec_t (wasm_shuffle (vec_t V128:$x), (vec_t V128:$y),
285            (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1),
286            (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3),
287            (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5),
288            (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7),
289            (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9),
290            (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB),
291            (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD),
292            (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF))),
293          (vec_t (SHUFFLE (vec_t V128:$x), (vec_t V128:$y),
294            (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1),
295            (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3),
296            (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5),
297            (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7),
298            (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9),
299            (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB),
300            (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD),
301            (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF)))>;
302}
303
304// Swizzle lanes: v8x16.swizzle
305def wasm_swizzle_t : SDTypeProfile<1, 2, []>;
306def wasm_swizzle : SDNode<"WebAssemblyISD::SWIZZLE", wasm_swizzle_t>;
307defm SWIZZLE :
308  SIMD_I<(outs V128:$dst), (ins V128:$src, V128:$mask), (outs), (ins),
309         [(set (v16i8 V128:$dst),
310           (wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)))],
311         "v8x16.swizzle\t$dst, $src, $mask", "v8x16.swizzle", 14>;
312
313def : Pat<(int_wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)),
314          (SWIZZLE V128:$src, V128:$mask)>;
315
316// Create vector with identical lanes: splat
317def splat2 : PatFrag<(ops node:$x), (build_vector node:$x, node:$x)>;
318def splat4 : PatFrag<(ops node:$x), (build_vector
319                       node:$x, node:$x, node:$x, node:$x)>;
320def splat8 : PatFrag<(ops node:$x), (build_vector
321                       node:$x, node:$x, node:$x, node:$x,
322                       node:$x, node:$x, node:$x, node:$x)>;
323def splat16 : PatFrag<(ops node:$x), (build_vector
324                        node:$x, node:$x, node:$x, node:$x,
325                        node:$x, node:$x, node:$x, node:$x,
326                        node:$x, node:$x, node:$x, node:$x,
327                        node:$x, node:$x, node:$x, node:$x)>;
328
329multiclass Splat<ValueType vec_t, string vec, WebAssemblyRegClass reg_t,
330                 PatFrag splat_pat, bits<32> simdop> {
331  defm SPLAT_#vec_t : SIMD_I<(outs V128:$dst), (ins reg_t:$x), (outs), (ins),
332                             [(set (vec_t V128:$dst), (splat_pat reg_t:$x))],
333                             vec#".splat\t$dst, $x", vec#".splat", simdop>;
334}
335
336defm "" : Splat<v16i8, "i8x16", I32, splat16, 15>;
337defm "" : Splat<v8i16, "i16x8", I32, splat8, 16>;
338defm "" : Splat<v4i32, "i32x4", I32, splat4, 17>;
339defm "" : Splat<v2i64, "i64x2", I64, splat2, 18>;
340defm "" : Splat<v4f32, "f32x4", F32, splat4, 19>;
341defm "" : Splat<v2f64, "f64x2", F64, splat2, 20>;
342
343// scalar_to_vector leaves high lanes undefined, so can be a splat
344class ScalarSplatPat<ValueType vec_t, ValueType lane_t,
345                     WebAssemblyRegClass reg_t> :
346  Pat<(vec_t (scalar_to_vector (lane_t reg_t:$x))),
347      (!cast<Instruction>("SPLAT_"#vec_t) reg_t:$x)>;
348
349def : ScalarSplatPat<v16i8, i32, I32>;
350def : ScalarSplatPat<v8i16, i32, I32>;
351def : ScalarSplatPat<v4i32, i32, I32>;
352def : ScalarSplatPat<v2i64, i64, I64>;
353def : ScalarSplatPat<v4f32, f32, F32>;
354def : ScalarSplatPat<v2f64, f64, F64>;
355
356//===----------------------------------------------------------------------===//
357// Accessing lanes
358//===----------------------------------------------------------------------===//
359
360// Extract lane as a scalar: extract_lane / extract_lane_s / extract_lane_u
361multiclass ExtractLane<ValueType vec_t, string vec, WebAssemblyRegClass reg_t,
362                       bits<32> simdop, string suffix = ""> {
363  defm EXTRACT_LANE_#vec_t#suffix :
364      SIMD_I<(outs reg_t:$dst), (ins V128:$vec, vec_i8imm_op:$idx),
365             (outs), (ins vec_i8imm_op:$idx), [],
366             vec#".extract_lane"#suffix#"\t$dst, $vec, $idx",
367             vec#".extract_lane"#suffix#"\t$idx", simdop>;
368}
369
370defm "" : ExtractLane<v16i8, "i8x16", I32, 21, "_s">;
371defm "" : ExtractLane<v16i8, "i8x16", I32, 22, "_u">;
372defm "" : ExtractLane<v8i16, "i16x8", I32, 24, "_s">;
373defm "" : ExtractLane<v8i16, "i16x8", I32, 25, "_u">;
374defm "" : ExtractLane<v4i32, "i32x4", I32, 27>;
375defm "" : ExtractLane<v2i64, "i64x2", I64, 29>;
376defm "" : ExtractLane<v4f32, "f32x4", F32, 31>;
377defm "" : ExtractLane<v2f64, "f64x2", F64, 33>;
378
379def : Pat<(vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)),
380          (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>;
381def : Pat<(vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)),
382          (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>;
383def : Pat<(vector_extract (v4i32 V128:$vec), (i32 LaneIdx4:$idx)),
384          (EXTRACT_LANE_v4i32 V128:$vec, imm:$idx)>;
385def : Pat<(vector_extract (v4f32 V128:$vec), (i32 LaneIdx4:$idx)),
386          (EXTRACT_LANE_v4f32 V128:$vec, imm:$idx)>;
387def : Pat<(vector_extract (v2i64 V128:$vec), (i32 LaneIdx2:$idx)),
388          (EXTRACT_LANE_v2i64 V128:$vec, imm:$idx)>;
389def : Pat<(vector_extract (v2f64 V128:$vec), (i32 LaneIdx2:$idx)),
390          (EXTRACT_LANE_v2f64 V128:$vec, imm:$idx)>;
391
392def : Pat<
393  (sext_inreg (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), i8),
394  (EXTRACT_LANE_v16i8_s V128:$vec, imm:$idx)>;
395def : Pat<
396  (and (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), (i32 0xff)),
397  (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>;
398def : Pat<
399  (sext_inreg (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), i16),
400  (EXTRACT_LANE_v8i16_s V128:$vec, imm:$idx)>;
401def : Pat<
402  (and (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), (i32 0xffff)),
403  (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>;
404
405// Replace lane value: replace_lane
406multiclass ReplaceLane<ValueType vec_t, string vec, ImmLeaf imm_t,
407                       WebAssemblyRegClass reg_t, ValueType lane_t,
408                       bits<32> simdop> {
409  defm REPLACE_LANE_#vec_t :
410      SIMD_I<(outs V128:$dst), (ins V128:$vec, vec_i8imm_op:$idx, reg_t:$x),
411             (outs), (ins vec_i8imm_op:$idx),
412             [(set V128:$dst, (vector_insert
413               (vec_t V128:$vec), (lane_t reg_t:$x), (i32 imm_t:$idx)))],
414             vec#".replace_lane\t$dst, $vec, $idx, $x",
415             vec#".replace_lane\t$idx", simdop>;
416}
417
418defm "" : ReplaceLane<v16i8, "i8x16", LaneIdx16, I32, i32, 23>;
419defm "" : ReplaceLane<v8i16, "i16x8", LaneIdx8, I32, i32, 26>;
420defm "" : ReplaceLane<v4i32, "i32x4", LaneIdx4, I32, i32, 28>;
421defm "" : ReplaceLane<v2i64, "i64x2", LaneIdx2, I64, i64, 30>;
422defm "" : ReplaceLane<v4f32, "f32x4", LaneIdx4, F32, f32, 32>;
423defm "" : ReplaceLane<v2f64, "f64x2", LaneIdx2, F64, f64, 34>;
424
425// Lower undef lane indices to zero
426def : Pat<(vector_insert (v16i8 V128:$vec), I32:$x, undef),
427          (REPLACE_LANE_v16i8 V128:$vec, 0, I32:$x)>;
428def : Pat<(vector_insert (v8i16 V128:$vec), I32:$x, undef),
429          (REPLACE_LANE_v8i16 V128:$vec, 0, I32:$x)>;
430def : Pat<(vector_insert (v4i32 V128:$vec), I32:$x, undef),
431          (REPLACE_LANE_v4i32 V128:$vec, 0, I32:$x)>;
432def : Pat<(vector_insert (v2i64 V128:$vec), I64:$x, undef),
433          (REPLACE_LANE_v2i64 V128:$vec, 0, I64:$x)>;
434def : Pat<(vector_insert (v4f32 V128:$vec), F32:$x, undef),
435          (REPLACE_LANE_v4f32 V128:$vec, 0, F32:$x)>;
436def : Pat<(vector_insert (v2f64 V128:$vec), F64:$x, undef),
437          (REPLACE_LANE_v2f64 V128:$vec, 0, F64:$x)>;
438
439//===----------------------------------------------------------------------===//
440// Comparisons
441//===----------------------------------------------------------------------===//
442
443multiclass SIMDCondition<ValueType vec_t, ValueType out_t, string vec,
444                         string name, CondCode cond, bits<32> simdop> {
445  defm _#vec_t :
446    SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
447           [(set (out_t V128:$dst),
448             (setcc (vec_t V128:$lhs), (vec_t V128:$rhs), cond)
449           )],
450           vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name, simdop>;
451}
452
453multiclass SIMDConditionInt<string name, CondCode cond, bits<32> baseInst> {
454  defm "" : SIMDCondition<v16i8, v16i8, "i8x16", name, cond, baseInst>;
455  defm "" : SIMDCondition<v8i16, v8i16, "i16x8", name, cond,
456                          !add(baseInst, 10)>;
457  defm "" : SIMDCondition<v4i32, v4i32, "i32x4", name, cond,
458                          !add(baseInst, 20)>;
459}
460
461multiclass SIMDConditionFP<string name, CondCode cond, bits<32> baseInst> {
462  defm "" : SIMDCondition<v4f32, v4i32, "f32x4", name, cond, baseInst>;
463  defm "" : SIMDCondition<v2f64, v2i64, "f64x2", name, cond,
464                          !add(baseInst, 6)>;
465}
466
467// Equality: eq
468let isCommutable = 1 in {
469defm EQ : SIMDConditionInt<"eq", SETEQ, 35>;
470defm EQ : SIMDConditionFP<"eq", SETOEQ, 65>;
471} // isCommutable = 1
472
473// Non-equality: ne
474let isCommutable = 1 in {
475defm NE : SIMDConditionInt<"ne", SETNE, 36>;
476defm NE : SIMDConditionFP<"ne", SETUNE, 66>;
477} // isCommutable = 1
478
479// Less than: lt_s / lt_u / lt
480defm LT_S : SIMDConditionInt<"lt_s", SETLT, 37>;
481defm LT_U : SIMDConditionInt<"lt_u", SETULT, 38>;
482defm LT : SIMDConditionFP<"lt", SETOLT, 67>;
483
484// Greater than: gt_s / gt_u / gt
485defm GT_S : SIMDConditionInt<"gt_s", SETGT, 39>;
486defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 40>;
487defm GT : SIMDConditionFP<"gt", SETOGT, 68>;
488
489// Less than or equal: le_s / le_u / le
490defm LE_S : SIMDConditionInt<"le_s", SETLE, 41>;
491defm LE_U : SIMDConditionInt<"le_u", SETULE, 42>;
492defm LE : SIMDConditionFP<"le", SETOLE, 69>;
493
494// Greater than or equal: ge_s / ge_u / ge
495defm GE_S : SIMDConditionInt<"ge_s", SETGE, 43>;
496defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 44>;
497defm GE : SIMDConditionFP<"ge", SETOGE, 70>;
498
499// Lower float comparisons that don't care about NaN to standard WebAssembly
500// float comparisons. These instructions are generated with nnan and in the
501// target-independent expansion of unordered comparisons and ordered ne.
502foreach nodes = [[seteq, EQ_v4f32], [setne, NE_v4f32], [setlt, LT_v4f32],
503                 [setgt, GT_v4f32], [setle, LE_v4f32], [setge, GE_v4f32]] in
504def : Pat<(v4i32 (nodes[0] (v4f32 V128:$lhs), (v4f32 V128:$rhs))),
505          (v4i32 (nodes[1] (v4f32 V128:$lhs), (v4f32 V128:$rhs)))>;
506
507foreach nodes = [[seteq, EQ_v2f64], [setne, NE_v2f64], [setlt, LT_v2f64],
508                 [setgt, GT_v2f64], [setle, LE_v2f64], [setge, GE_v2f64]] in
509def : Pat<(v2i64 (nodes[0] (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
510          (v2i64 (nodes[1] (v2f64 V128:$lhs), (v2f64 V128:$rhs)))>;
511
512
513//===----------------------------------------------------------------------===//
514// Bitwise operations
515//===----------------------------------------------------------------------===//
516
517multiclass SIMDBinary<ValueType vec_t, string vec, SDNode node, string name,
518                      bits<32> simdop> {
519  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
520                        (outs), (ins),
521                        [(set (vec_t V128:$dst),
522                          (node (vec_t V128:$lhs), (vec_t V128:$rhs))
523                        )],
524                        vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name,
525                        simdop>;
526}
527
528multiclass SIMDBitwise<SDNode node, string name, bits<32> simdop> {
529  defm "" : SIMDBinary<v16i8, "v128", node, name, simdop>;
530  defm "" : SIMDBinary<v8i16, "v128", node, name, simdop>;
531  defm "" : SIMDBinary<v4i32, "v128", node, name, simdop>;
532  defm "" : SIMDBinary<v2i64, "v128", node, name, simdop>;
533}
534
535multiclass SIMDUnary<ValueType vec_t, string vec, SDNode node, string name,
536                     bits<32> simdop> {
537  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
538                        [(set (vec_t V128:$dst),
539                          (vec_t (node (vec_t V128:$vec)))
540                        )],
541                        vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>;
542}
543
544// Bitwise logic: v128.not
545foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in
546defm NOT: SIMDUnary<vec_t, "v128", vnot, "not", 77>;
547
548// Bitwise logic: v128.and / v128.or / v128.xor
549let isCommutable = 1 in {
550defm AND : SIMDBitwise<and, "and", 78>;
551defm OR : SIMDBitwise<or, "or", 80>;
552defm XOR : SIMDBitwise<xor, "xor", 81>;
553} // isCommutable = 1
554
555// Bitwise logic: v128.andnot
556def andnot : PatFrag<(ops node:$left, node:$right), (and $left, (vnot $right))>;
557defm ANDNOT : SIMDBitwise<andnot, "andnot", 79>;
558
559// Bitwise select: v128.bitselect
560foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in
561  defm BITSELECT_#vec_t :
562    SIMD_I<(outs V128:$dst), (ins V128:$v1, V128:$v2, V128:$c), (outs), (ins),
563           [(set (vec_t V128:$dst),
564             (vec_t (int_wasm_bitselect
565               (vec_t V128:$v1), (vec_t V128:$v2), (vec_t V128:$c)
566             ))
567           )],
568           "v128.bitselect\t$dst, $v1, $v2, $c", "v128.bitselect", 82>;
569
570// Bitselect is equivalent to (c & v1) | (~c & v2)
571foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in
572  def : Pat<(vec_t (or (and (vec_t V128:$c), (vec_t V128:$v1)),
573              (and (vnot V128:$c), (vec_t V128:$v2)))),
574            (!cast<Instruction>("BITSELECT_"#vec_t)
575              V128:$v1, V128:$v2, V128:$c)>;
576
577//===----------------------------------------------------------------------===//
578// Integer unary arithmetic
579//===----------------------------------------------------------------------===//
580
581multiclass SIMDUnaryInt<SDNode node, string name, bits<32> baseInst> {
582  defm "" : SIMDUnary<v16i8, "i8x16", node, name, baseInst>;
583  defm "" : SIMDUnary<v8i16, "i16x8", node, name, !add(baseInst, 32)>;
584  defm "" : SIMDUnary<v4i32, "i32x4", node, name, !add(baseInst, 64)>;
585  defm "" : SIMDUnary<v2i64, "i64x2", node, name, !add(baseInst, 96)>;
586}
587
588multiclass SIMDReduceVec<ValueType vec_t, string vec, SDNode op, string name,
589                         bits<32> simdop> {
590  defm _#vec_t : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins),
591                        [(set I32:$dst, (i32 (op (vec_t V128:$vec))))],
592                        vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>;
593}
594
595multiclass SIMDReduce<SDNode op, string name, bits<32> baseInst> {
596  defm "" : SIMDReduceVec<v16i8, "i8x16", op, name, baseInst>;
597  defm "" : SIMDReduceVec<v8i16, "i16x8", op, name, !add(baseInst, 32)>;
598  defm "" : SIMDReduceVec<v4i32, "i32x4", op, name, !add(baseInst, 64)>;
599  defm "" : SIMDReduceVec<v2i64, "i64x2", op, name, !add(baseInst, 96)>;
600}
601
602// Integer vector negation
603def ivneg : PatFrag<(ops node:$in), (sub immAllZerosV, node:$in)>;
604
605// Integer absolute value: abs
606defm ABS : SIMDUnaryInt<abs, "abs", 96>;
607
608// Integer negation: neg
609defm NEG : SIMDUnaryInt<ivneg, "neg", 97>;
610
611// Any lane true: any_true
612defm ANYTRUE : SIMDReduce<int_wasm_anytrue, "any_true", 98>;
613
614// All lanes true: all_true
615defm ALLTRUE : SIMDReduce<int_wasm_alltrue, "all_true", 99>;
616
617// Reductions already return 0 or 1, so and 1, setne 0, and seteq 1
618// can be folded out
619foreach reduction =
620  [["int_wasm_anytrue", "ANYTRUE"], ["int_wasm_alltrue", "ALLTRUE"]] in
621foreach ty = [v16i8, v8i16, v4i32, v2i64] in {
622def : Pat<(i32 (and
623            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
624            (i32 1)
625          )),
626          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
627def : Pat<(i32 (setne
628            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
629            (i32 0)
630          )),
631          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
632def : Pat<(i32 (seteq
633            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
634            (i32 1)
635          )),
636          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
637}
638
639multiclass SIMDBitmask<ValueType vec_t, string vec, bits<32> simdop> {
640  defm _#vec_t : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins),
641                         [(set I32:$dst,
642                           (i32 (int_wasm_bitmask (vec_t V128:$vec)))
643                         )],
644                         vec#".bitmask\t$dst, $vec", vec#".bitmask", simdop>;
645}
646
647defm BITMASK : SIMDBitmask<v16i8, "i8x16", 100>;
648defm BITMASK : SIMDBitmask<v8i16, "i16x8", 132>;
649defm BITMASK : SIMDBitmask<v4i32, "i32x4", 164>;
650
651//===----------------------------------------------------------------------===//
652// Bit shifts
653//===----------------------------------------------------------------------===//
654
655multiclass SIMDShift<ValueType vec_t, string vec, SDNode node, string name,
656                     bits<32> simdop> {
657  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec, I32:$x),
658                        (outs), (ins),
659                        [(set (vec_t V128:$dst), (node V128:$vec, I32:$x))],
660                        vec#"."#name#"\t$dst, $vec, $x", vec#"."#name, simdop>;
661}
662
663multiclass SIMDShiftInt<SDNode node, string name, bits<32> baseInst> {
664  defm "" : SIMDShift<v16i8, "i8x16", node, name, baseInst>;
665  defm "" : SIMDShift<v8i16, "i16x8", node, name, !add(baseInst, 32)>;
666  defm "" : SIMDShift<v4i32, "i32x4", node, name, !add(baseInst, 64)>;
667  defm "" : SIMDShift<v2i64, "i64x2", node, name, !add(baseInst, 96)>;
668}
669
670// WebAssembly SIMD shifts are nonstandard in that the shift amount is
671// an i32 rather than a vector, so they need custom nodes.
672def wasm_shift_t : SDTypeProfile<1, 2,
673  [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVT<2, i32>]
674>;
675def wasm_shl : SDNode<"WebAssemblyISD::VEC_SHL", wasm_shift_t>;
676def wasm_shr_s : SDNode<"WebAssemblyISD::VEC_SHR_S", wasm_shift_t>;
677def wasm_shr_u : SDNode<"WebAssemblyISD::VEC_SHR_U", wasm_shift_t>;
678
679// Left shift by scalar: shl
680defm SHL : SIMDShiftInt<wasm_shl, "shl", 107>;
681
682// Right shift by scalar: shr_s / shr_u
683defm SHR_S : SIMDShiftInt<wasm_shr_s, "shr_s", 108>;
684defm SHR_U : SIMDShiftInt<wasm_shr_u, "shr_u", 109>;
685
686//===----------------------------------------------------------------------===//
687// Integer binary arithmetic
688//===----------------------------------------------------------------------===//
689
690multiclass SIMDBinaryIntNoI8x16<SDNode node, string name, bits<32> baseInst> {
691  defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 32)>;
692  defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 64)>;
693  defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 96)>;
694}
695
696multiclass SIMDBinaryIntSmall<SDNode node, string name, bits<32> baseInst> {
697  defm "" : SIMDBinary<v16i8, "i8x16", node, name, baseInst>;
698  defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 32)>;
699}
700
701multiclass SIMDBinaryIntNoI64x2<SDNode node, string name, bits<32> baseInst> {
702  defm "" : SIMDBinaryIntSmall<node, name, baseInst>;
703  defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 64)>;
704}
705
706multiclass SIMDBinaryInt<SDNode node, string name, bits<32> baseInst> {
707  defm "" : SIMDBinaryIntNoI64x2<node, name, baseInst>;
708  defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 96)>;
709}
710
711// Integer addition: add / add_saturate_s / add_saturate_u
712let isCommutable = 1 in {
713defm ADD : SIMDBinaryInt<add, "add", 110>;
714defm ADD_SAT_S : SIMDBinaryIntSmall<saddsat, "add_saturate_s", 111>;
715defm ADD_SAT_U : SIMDBinaryIntSmall<uaddsat, "add_saturate_u", 112>;
716} // isCommutable = 1
717
718// Integer subtraction: sub / sub_saturate_s / sub_saturate_u
719defm SUB : SIMDBinaryInt<sub, "sub", 113>;
720defm SUB_SAT_S :
721  SIMDBinaryIntSmall<int_wasm_sub_saturate_signed, "sub_saturate_s", 114>;
722defm SUB_SAT_U :
723  SIMDBinaryIntSmall<int_wasm_sub_saturate_unsigned, "sub_saturate_u", 115>;
724
725// Integer multiplication: mul
726let isCommutable = 1 in
727defm MUL : SIMDBinaryIntNoI8x16<mul, "mul", 117>;
728
729// Integer min_s / min_u / max_s / max_u
730let isCommutable = 1 in {
731defm MIN_S : SIMDBinaryIntNoI64x2<smin, "min_s", 118>;
732defm MIN_U : SIMDBinaryIntNoI64x2<umin, "min_u", 119>;
733defm MAX_S : SIMDBinaryIntNoI64x2<smax, "max_s", 120>;
734defm MAX_U : SIMDBinaryIntNoI64x2<umax, "max_u", 121>;
735} // isCommutable = 1
736
737// Integer unsigned rounding average: avgr_u
738let isCommutable = 1 in {
739defm AVGR_U : SIMDBinary<v16i8, "i8x16", int_wasm_avgr_unsigned, "avgr_u", 123>;
740defm AVGR_U : SIMDBinary<v8i16, "i16x8", int_wasm_avgr_unsigned, "avgr_u", 155>;
741}
742
743def add_nuw : PatFrag<(ops node:$lhs, node:$rhs),
744                      (add node:$lhs, node:$rhs),
745                      "return N->getFlags().hasNoUnsignedWrap();">;
746
747foreach nodes = [[v16i8, splat16], [v8i16, splat8]] in
748def : Pat<(wasm_shr_u
749            (add_nuw
750              (add_nuw (nodes[0] V128:$lhs), (nodes[0] V128:$rhs)),
751              (nodes[1] (i32 1))
752            ),
753            (i32 1)
754          ),
755          (!cast<NI>("AVGR_U_"#nodes[0]) V128:$lhs, V128:$rhs)>;
756
757// Widening dot product: i32x4.dot_i16x8_s
758let isCommutable = 1 in
759defm DOT : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
760                  [(set V128:$dst, (int_wasm_dot V128:$lhs, V128:$rhs))],
761                  "i32x4.dot_i16x8_s\t$dst, $lhs, $rhs", "i32x4.dot_i16x8_s",
762                  180>;
763
764//===----------------------------------------------------------------------===//
765// Floating-point unary arithmetic
766//===----------------------------------------------------------------------===//
767
768multiclass SIMDUnaryFP<SDNode node, string name, bits<32> baseInst> {
769  defm "" : SIMDUnary<v4f32, "f32x4", node, name, baseInst>;
770  defm "" : SIMDUnary<v2f64, "f64x2", node, name, !add(baseInst, 12)>;
771}
772
773// Absolute value: abs
774defm ABS : SIMDUnaryFP<fabs, "abs", 224>;
775
776// Negation: neg
777defm NEG : SIMDUnaryFP<fneg, "neg", 225>;
778
779// Square root: sqrt
780defm SQRT : SIMDUnaryFP<fsqrt, "sqrt", 227>;
781
782// Rounding: ceil, floor, trunc, nearest
783defm CEIL : SIMDUnary<v4f32, "f32x4", int_wasm_ceil, "ceil", 216>;
784defm FLOOR : SIMDUnary<v4f32, "f32x4", int_wasm_floor, "floor", 217>;
785defm TRUNC: SIMDUnary<v4f32, "f32x4", int_wasm_trunc, "trunc", 218>;
786defm NEAREST: SIMDUnary<v4f32, "f32x4", int_wasm_nearest, "nearest", 219>;
787defm CEIL : SIMDUnary<v2f64, "f64x2", int_wasm_ceil, "ceil", 220>;
788defm FLOOR : SIMDUnary<v2f64, "f64x2", int_wasm_floor, "floor", 221>;
789defm TRUNC: SIMDUnary<v2f64, "f64x2", int_wasm_trunc, "trunc", 222>;
790defm NEAREST: SIMDUnary<v2f64, "f64x2", int_wasm_nearest, "nearest", 223>;
791
792//===----------------------------------------------------------------------===//
793// Floating-point binary arithmetic
794//===----------------------------------------------------------------------===//
795
796multiclass SIMDBinaryFP<SDNode node, string name, bits<32> baseInst> {
797  defm "" : SIMDBinary<v4f32, "f32x4", node, name, baseInst>;
798  defm "" : SIMDBinary<v2f64, "f64x2", node, name, !add(baseInst, 12)>;
799}
800
801// Addition: add
802let isCommutable = 1 in
803defm ADD : SIMDBinaryFP<fadd, "add", 228>;
804
805// Subtraction: sub
806defm SUB : SIMDBinaryFP<fsub, "sub", 229>;
807
808// Multiplication: mul
809let isCommutable = 1 in
810defm MUL : SIMDBinaryFP<fmul, "mul", 230>;
811
812// Division: div
813defm DIV : SIMDBinaryFP<fdiv, "div", 231>;
814
815// NaN-propagating minimum: min
816defm MIN : SIMDBinaryFP<fminimum, "min", 232>;
817
818// NaN-propagating maximum: max
819defm MAX : SIMDBinaryFP<fmaximum, "max", 233>;
820
821// Pseudo-minimum: pmin
822defm PMIN : SIMDBinaryFP<int_wasm_pmin, "pmin", 234>;
823
824// Pseudo-maximum: pmax
825defm PMAX : SIMDBinaryFP<int_wasm_pmax, "pmax", 235>;
826
827//===----------------------------------------------------------------------===//
828// Conversions
829//===----------------------------------------------------------------------===//
830
831multiclass SIMDConvert<ValueType vec_t, ValueType arg_t, SDNode op,
832                       string name, bits<32> simdop> {
833  defm op#_#vec_t#_#arg_t :
834    SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
835           [(set (vec_t V128:$dst), (vec_t (op (arg_t V128:$vec))))],
836           name#"\t$dst, $vec", name, simdop>;
837}
838
839// Floating point to integer with saturation: trunc_sat
840defm "" : SIMDConvert<v4i32, v4f32, fp_to_sint, "i32x4.trunc_sat_f32x4_s", 248>;
841defm "" : SIMDConvert<v4i32, v4f32, fp_to_uint, "i32x4.trunc_sat_f32x4_u", 249>;
842
843// Integer to floating point: convert
844defm "" : SIMDConvert<v4f32, v4i32, sint_to_fp, "f32x4.convert_i32x4_s", 250>;
845defm "" : SIMDConvert<v4f32, v4i32, uint_to_fp, "f32x4.convert_i32x4_u", 251>;
846
847// Widening operations
848multiclass SIMDWiden<ValueType vec_t, string vec, ValueType arg_t, string arg,
849                     bits<32> baseInst> {
850  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_signed,
851                        vec#".widen_low_"#arg#"_s", baseInst>;
852  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_signed,
853                        vec#".widen_high_"#arg#"_s", !add(baseInst, 1)>;
854  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_unsigned,
855                        vec#".widen_low_"#arg#"_u", !add(baseInst, 2)>;
856  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_unsigned,
857                        vec#".widen_high_"#arg#"_u", !add(baseInst, 3)>;
858}
859
860defm "" : SIMDWiden<v8i16, "i16x8", v16i8, "i8x16", 135>;
861defm "" : SIMDWiden<v4i32, "i32x4", v8i16, "i16x8", 167>;
862
863// Narrowing operations
864multiclass SIMDNarrow<ValueType vec_t, string vec, ValueType arg_t, string arg,
865                      bits<32> baseInst> {
866  defm NARROW_S_#vec_t :
867    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
868           [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_signed
869             (arg_t V128:$low), (arg_t V128:$high))))],
870           vec#".narrow_"#arg#"_s\t$dst, $low, $high", vec#".narrow_"#arg#"_s",
871           baseInst>;
872  defm NARROW_U_#vec_t :
873    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
874           [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_unsigned
875             (arg_t V128:$low), (arg_t V128:$high))))],
876           vec#".narrow_"#arg#"_u\t$dst, $low, $high", vec#".narrow_"#arg#"_u",
877           !add(baseInst, 1)>;
878}
879
880defm "" : SIMDNarrow<v16i8, "i8x16", v8i16, "i16x8", 101>;
881defm "" : SIMDNarrow<v8i16, "i16x8", v4i32, "i32x4", 133>;
882
883// Lower llvm.wasm.trunc.saturate.* to saturating instructions
884def : Pat<(v4i32 (int_wasm_trunc_saturate_signed (v4f32 V128:$src))),
885          (fp_to_sint_v4i32_v4f32 (v4f32 V128:$src))>;
886def : Pat<(v4i32 (int_wasm_trunc_saturate_unsigned (v4f32 V128:$src))),
887          (fp_to_uint_v4i32_v4f32 (v4f32 V128:$src))>;
888
889// Bitcasts are nops
890// Matching bitcast t1 to t1 causes strange errors, so avoid repeating types
891foreach t1 = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in
892foreach t2 = !foldl(
893  []<ValueType>, [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
894  acc, cur, !if(!eq(!cast<string>(t1), !cast<string>(cur)),
895    acc, !listconcat(acc, [cur])
896  )
897) in
898def : Pat<(t1 (bitconvert (t2 V128:$v))), (t1 V128:$v)>;
899
900//===----------------------------------------------------------------------===//
901// Quasi-Fused Multiply- Add and Subtract (QFMA/QFMS)
902//===----------------------------------------------------------------------===//
903
904multiclass SIMDQFM<ValueType vec_t, string vec, bits<32> baseInst> {
905  defm QFMA_#vec_t :
906    SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c),
907           (outs), (ins),
908           [(set (vec_t V128:$dst),
909             (int_wasm_qfma (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))],
910           vec#".qfma\t$dst, $a, $b, $c", vec#".qfma", baseInst>;
911  defm QFMS_#vec_t :
912    SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c),
913           (outs), (ins),
914           [(set (vec_t V128:$dst),
915             (int_wasm_qfms (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))],
916           vec#".qfms\t$dst, $a, $b, $c", vec#".qfms", !add(baseInst, 1)>;
917}
918
919defm "" : SIMDQFM<v4f32, "f32x4", 252>;
920defm "" : SIMDQFM<v2f64, "f64x2", 254>;
921