|  | // WebAssemblyInstrSIMD.td - WebAssembly SIMD 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 SIMD operand code-gen constructs. | 
|  | /// | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Instructions requiring HasSIMD128 and the simd128 prefix byte | 
|  | multiclass SIMD_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(0xfd00, !and(0xff, simdop))>, | 
|  | Requires<[HasSIMD128]>; | 
|  | } | 
|  |  | 
|  | defm "" : ARGUMENT<V128, v16i8>; | 
|  | defm "" : ARGUMENT<V128, v8i16>; | 
|  | defm "" : ARGUMENT<V128, v4i32>; | 
|  | defm "" : ARGUMENT<V128, v2i64>; | 
|  | defm "" : ARGUMENT<V128, v4f32>; | 
|  | defm "" : ARGUMENT<V128, v2f64>; | 
|  |  | 
|  | // Constrained immediate argument types | 
|  | foreach SIZE = [8, 16] in | 
|  | def ImmI#SIZE : ImmLeaf<i32, | 
|  | "return -(1 << ("#SIZE#" - 1)) <= Imm && Imm < (1 << ("#SIZE#" - 1));" | 
|  | >; | 
|  | foreach SIZE = [2, 4, 8, 16, 32] in | 
|  | def LaneIdx#SIZE : ImmLeaf<i32, "return 0 <= Imm && Imm < "#SIZE#";">; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Load and store | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Load: v128.load | 
|  | let mayLoad = 1, UseNamedOperandTable = 1 in { | 
|  | defm LOAD_V128_A32 : | 
|  | SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset32_op:$off), [], | 
|  | "v128.load\t$dst, ${off}(${addr})$p2align", | 
|  | "v128.load\t$off$p2align", 0>; | 
|  | defm LOAD_V128_A64 : | 
|  | SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset64_op:$off, I64:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset64_op:$off), [], | 
|  | "v128.load\t$dst, ${off}(${addr})$p2align", | 
|  | "v128.load\t$off$p2align", 0>; | 
|  | } | 
|  |  | 
|  | // Def load and store patterns from WebAssemblyInstrMemory.td for vector types | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { | 
|  | defm : LoadPatNoOffset<vec_t, load, "LOAD_V128">; | 
|  | defm : LoadPatImmOff<vec_t, load, regPlusImm, "LOAD_V128">; | 
|  | defm : LoadPatImmOff<vec_t, load, or_is_add, "LOAD_V128">; | 
|  | defm : LoadPatOffsetOnly<vec_t, load, "LOAD_V128">; | 
|  | defm : LoadPatGlobalAddrOffOnly<vec_t, load, "LOAD_V128">; | 
|  | } | 
|  |  | 
|  | // vNxM.load_splat | 
|  | multiclass SIMDLoadSplat<string vec, bits<32> simdop> { | 
|  | let mayLoad = 1, UseNamedOperandTable = 1 in { | 
|  | defm LOAD_SPLAT_#vec#_A32 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset32_op:$off, I32:$addr), | 
|  | (outs), | 
|  | (ins P2Align:$p2align, offset32_op:$off), [], | 
|  | vec#".load_splat\t$dst, ${off}(${addr})$p2align", | 
|  | vec#".load_splat\t$off$p2align", simdop>; | 
|  | defm LOAD_SPLAT_#vec#_A64 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset64_op:$off, I64:$addr), | 
|  | (outs), | 
|  | (ins P2Align:$p2align, offset64_op:$off), [], | 
|  | vec#".load_splat\t$dst, ${off}(${addr})$p2align", | 
|  | vec#".load_splat\t$off$p2align", simdop>; | 
|  | } | 
|  | } | 
|  |  | 
|  | defm "" : SIMDLoadSplat<"v8x16", 7>; | 
|  | defm "" : SIMDLoadSplat<"v16x8", 8>; | 
|  | defm "" : SIMDLoadSplat<"v32x4", 9>; | 
|  | defm "" : SIMDLoadSplat<"v64x2", 10>; | 
|  |  | 
|  | def wasm_load_splat_t : SDTypeProfile<1, 1, [SDTCisPtrTy<1>]>; | 
|  | def wasm_load_splat : SDNode<"WebAssemblyISD::LOAD_SPLAT", wasm_load_splat_t, | 
|  | [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>; | 
|  | def load_splat : PatFrag<(ops node:$addr), (wasm_load_splat node:$addr)>; | 
|  |  | 
|  | foreach args = [["v16i8", "v8x16"], ["v8i16", "v16x8"], ["v4i32", "v32x4"], | 
|  | ["v2i64", "v64x2"], ["v4f32", "v32x4"], ["v2f64", "v64x2"]] in { | 
|  | defm : LoadPatNoOffset<!cast<ValueType>(args[0]), | 
|  | load_splat, | 
|  | "LOAD_SPLAT_"#args[1]>; | 
|  | defm : LoadPatImmOff<!cast<ValueType>(args[0]), | 
|  | load_splat, | 
|  | regPlusImm, | 
|  | "LOAD_SPLAT_"#args[1]>; | 
|  | defm : LoadPatImmOff<!cast<ValueType>(args[0]), | 
|  | load_splat, | 
|  | or_is_add, | 
|  | "LOAD_SPLAT_"#args[1]>; | 
|  | defm : LoadPatOffsetOnly<!cast<ValueType>(args[0]), | 
|  | load_splat, | 
|  | "LOAD_SPLAT_"#args[1]>; | 
|  | defm : LoadPatGlobalAddrOffOnly<!cast<ValueType>(args[0]), | 
|  | load_splat, | 
|  | "LOAD_SPLAT_"#args[1]>; | 
|  | } | 
|  |  | 
|  | // Load and extend | 
|  | multiclass SIMDLoadExtend<ValueType vec_t, string name, bits<32> simdop> { | 
|  | let mayLoad = 1, UseNamedOperandTable = 1 in { | 
|  | defm LOAD_EXTEND_S_#vec_t#_A32 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset32_op:$off, I32:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset32_op:$off), [], | 
|  | name#"_s\t$dst, ${off}(${addr})$p2align", | 
|  | name#"_s\t$off$p2align", simdop>; | 
|  | defm LOAD_EXTEND_U_#vec_t#_A32 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset32_op:$off, I32:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset32_op:$off), [], | 
|  | name#"_u\t$dst, ${off}(${addr})$p2align", | 
|  | name#"_u\t$off$p2align", !add(simdop, 1)>; | 
|  | defm LOAD_EXTEND_S_#vec_t#_A64 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset64_op:$off, I64:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset64_op:$off), [], | 
|  | name#"_s\t$dst, ${off}(${addr})$p2align", | 
|  | name#"_s\t$off$p2align", simdop>; | 
|  | defm LOAD_EXTEND_U_#vec_t#_A64 : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins P2Align:$p2align, offset64_op:$off, I64:$addr), | 
|  | (outs), (ins P2Align:$p2align, offset64_op:$off), [], | 
|  | name#"_u\t$dst, ${off}(${addr})$p2align", | 
|  | name#"_u\t$off$p2align", !add(simdop, 1)>; | 
|  | } | 
|  | } | 
|  |  | 
|  | defm "" : SIMDLoadExtend<v8i16, "i16x8.load8x8", 1>; | 
|  | defm "" : SIMDLoadExtend<v4i32, "i32x4.load16x4", 3>; | 
|  | defm "" : SIMDLoadExtend<v2i64, "i64x2.load32x2", 5>; | 
|  |  | 
|  | foreach types = [[v8i16, i8], [v4i32, i16], [v2i64, i32]] in | 
|  | foreach exts = [["sextloadv", "_S"], | 
|  | ["zextloadv", "_U"], | 
|  | ["extloadv", "_U"]] in { | 
|  | defm : LoadPatNoOffset<types[0], !cast<PatFrag>(exts[0]#types[1]), | 
|  | "LOAD_EXTEND"#exts[1]#"_"#types[0]>; | 
|  | defm : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), regPlusImm, | 
|  | "LOAD_EXTEND"#exts[1]#"_"#types[0]>; | 
|  | defm : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), or_is_add, | 
|  | "LOAD_EXTEND"#exts[1]#"_"#types[0]>; | 
|  | defm : LoadPatOffsetOnly<types[0], !cast<PatFrag>(exts[0]#types[1]), | 
|  | "LOAD_EXTEND"#exts[1]#"_"#types[0]>; | 
|  | defm : LoadPatGlobalAddrOffOnly<types[0], !cast<PatFrag>(exts[0]#types[1]), | 
|  | "LOAD_EXTEND"#exts[1]#"_"#types[0]>; | 
|  | } | 
|  |  | 
|  |  | 
|  | // Store: v128.store | 
|  | let mayStore = 1, UseNamedOperandTable = 1 in { | 
|  | defm STORE_V128_A32 : | 
|  | SIMD_I<(outs), (ins P2Align:$p2align, offset32_op:$off, I32:$addr, V128:$vec), | 
|  | (outs), (ins P2Align:$p2align, offset32_op:$off), [], | 
|  | "v128.store\t${off}(${addr})$p2align, $vec", | 
|  | "v128.store\t$off$p2align", 11>; | 
|  | defm STORE_V128_A64 : | 
|  | SIMD_I<(outs), (ins P2Align:$p2align, offset64_op:$off, I64:$addr, V128:$vec), | 
|  | (outs), (ins P2Align:$p2align, offset64_op:$off), [], | 
|  | "v128.store\t${off}(${addr})$p2align, $vec", | 
|  | "v128.store\t$off$p2align", 11>; | 
|  | } | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { | 
|  | // Def load and store patterns from WebAssemblyInstrMemory.td for vector types | 
|  | defm : StorePatNoOffset<vec_t, store, "STORE_V128">; | 
|  | defm : StorePatImmOff<vec_t, store, regPlusImm, "STORE_V128">; | 
|  | defm : StorePatImmOff<vec_t, store, or_is_add, "STORE_V128">; | 
|  | defm : StorePatOffsetOnly<vec_t, store, "STORE_V128">; | 
|  | defm : StorePatGlobalAddrOffOnly<vec_t, store, "STORE_V128">; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Constructing SIMD values | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Constant: v128.const | 
|  | multiclass ConstVec<ValueType vec_t, dag ops, dag pat, string args> { | 
|  | let isMoveImm = 1, isReMaterializable = 1, | 
|  | Predicates = [HasUnimplementedSIMD128] in | 
|  | defm CONST_V128_#vec_t : SIMD_I<(outs V128:$dst), ops, (outs), ops, | 
|  | [(set V128:$dst, (vec_t pat))], | 
|  | "v128.const\t$dst, "#args, | 
|  | "v128.const\t"#args, 12>; | 
|  | } | 
|  |  | 
|  | defm "" : ConstVec<v16i8, | 
|  | (ins vec_i8imm_op:$i0, vec_i8imm_op:$i1, | 
|  | vec_i8imm_op:$i2, vec_i8imm_op:$i3, | 
|  | vec_i8imm_op:$i4, vec_i8imm_op:$i5, | 
|  | vec_i8imm_op:$i6, vec_i8imm_op:$i7, | 
|  | vec_i8imm_op:$i8, vec_i8imm_op:$i9, | 
|  | vec_i8imm_op:$iA, vec_i8imm_op:$iB, | 
|  | vec_i8imm_op:$iC, vec_i8imm_op:$iD, | 
|  | vec_i8imm_op:$iE, vec_i8imm_op:$iF), | 
|  | (build_vector ImmI8:$i0, ImmI8:$i1, ImmI8:$i2, ImmI8:$i3, | 
|  | ImmI8:$i4, ImmI8:$i5, ImmI8:$i6, ImmI8:$i7, | 
|  | ImmI8:$i8, ImmI8:$i9, ImmI8:$iA, ImmI8:$iB, | 
|  | ImmI8:$iC, ImmI8:$iD, ImmI8:$iE, ImmI8:$iF), | 
|  | !strconcat("$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7, ", | 
|  | "$i8, $i9, $iA, $iB, $iC, $iD, $iE, $iF")>; | 
|  | defm "" : ConstVec<v8i16, | 
|  | (ins vec_i16imm_op:$i0, vec_i16imm_op:$i1, | 
|  | vec_i16imm_op:$i2, vec_i16imm_op:$i3, | 
|  | vec_i16imm_op:$i4, vec_i16imm_op:$i5, | 
|  | vec_i16imm_op:$i6, vec_i16imm_op:$i7), | 
|  | (build_vector | 
|  | ImmI16:$i0, ImmI16:$i1, ImmI16:$i2, ImmI16:$i3, | 
|  | ImmI16:$i4, ImmI16:$i5, ImmI16:$i6, ImmI16:$i7), | 
|  | "$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7">; | 
|  | let IsCanonical = 1 in | 
|  | defm "" : ConstVec<v4i32, | 
|  | (ins vec_i32imm_op:$i0, vec_i32imm_op:$i1, | 
|  | vec_i32imm_op:$i2, vec_i32imm_op:$i3), | 
|  | (build_vector (i32 imm:$i0), (i32 imm:$i1), | 
|  | (i32 imm:$i2), (i32 imm:$i3)), | 
|  | "$i0, $i1, $i2, $i3">; | 
|  | defm "" : ConstVec<v2i64, | 
|  | (ins vec_i64imm_op:$i0, vec_i64imm_op:$i1), | 
|  | (build_vector (i64 imm:$i0), (i64 imm:$i1)), | 
|  | "$i0, $i1">; | 
|  | defm "" : ConstVec<v4f32, | 
|  | (ins f32imm_op:$i0, f32imm_op:$i1, | 
|  | f32imm_op:$i2, f32imm_op:$i3), | 
|  | (build_vector (f32 fpimm:$i0), (f32 fpimm:$i1), | 
|  | (f32 fpimm:$i2), (f32 fpimm:$i3)), | 
|  | "$i0, $i1, $i2, $i3">; | 
|  | defm "" : ConstVec<v2f64, | 
|  | (ins f64imm_op:$i0, f64imm_op:$i1), | 
|  | (build_vector (f64 fpimm:$i0), (f64 fpimm:$i1)), | 
|  | "$i0, $i1">; | 
|  |  | 
|  | // Shuffle lanes: shuffle | 
|  | defm SHUFFLE : | 
|  | SIMD_I<(outs V128:$dst), | 
|  | (ins V128:$x, V128:$y, | 
|  | vec_i8imm_op:$m0, vec_i8imm_op:$m1, | 
|  | vec_i8imm_op:$m2, vec_i8imm_op:$m3, | 
|  | vec_i8imm_op:$m4, vec_i8imm_op:$m5, | 
|  | vec_i8imm_op:$m6, vec_i8imm_op:$m7, | 
|  | vec_i8imm_op:$m8, vec_i8imm_op:$m9, | 
|  | vec_i8imm_op:$mA, vec_i8imm_op:$mB, | 
|  | vec_i8imm_op:$mC, vec_i8imm_op:$mD, | 
|  | vec_i8imm_op:$mE, vec_i8imm_op:$mF), | 
|  | (outs), | 
|  | (ins | 
|  | vec_i8imm_op:$m0, vec_i8imm_op:$m1, | 
|  | vec_i8imm_op:$m2, vec_i8imm_op:$m3, | 
|  | vec_i8imm_op:$m4, vec_i8imm_op:$m5, | 
|  | vec_i8imm_op:$m6, vec_i8imm_op:$m7, | 
|  | vec_i8imm_op:$m8, vec_i8imm_op:$m9, | 
|  | vec_i8imm_op:$mA, vec_i8imm_op:$mB, | 
|  | vec_i8imm_op:$mC, vec_i8imm_op:$mD, | 
|  | vec_i8imm_op:$mE, vec_i8imm_op:$mF), | 
|  | [], | 
|  | "v8x16.shuffle\t$dst, $x, $y, "# | 
|  | "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "# | 
|  | "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF", | 
|  | "v8x16.shuffle\t"# | 
|  | "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "# | 
|  | "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF", | 
|  | 13>; | 
|  |  | 
|  | // Shuffles after custom lowering | 
|  | def wasm_shuffle_t : SDTypeProfile<1, 18, []>; | 
|  | def wasm_shuffle : SDNode<"WebAssemblyISD::SHUFFLE", wasm_shuffle_t>; | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { | 
|  | def : Pat<(vec_t (wasm_shuffle (vec_t V128:$x), (vec_t V128:$y), | 
|  | (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1), | 
|  | (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3), | 
|  | (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5), | 
|  | (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7), | 
|  | (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9), | 
|  | (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB), | 
|  | (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD), | 
|  | (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF))), | 
|  | (vec_t (SHUFFLE (vec_t V128:$x), (vec_t V128:$y), | 
|  | (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1), | 
|  | (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3), | 
|  | (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5), | 
|  | (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7), | 
|  | (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9), | 
|  | (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB), | 
|  | (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD), | 
|  | (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF)))>; | 
|  | } | 
|  |  | 
|  | // Swizzle lanes: v8x16.swizzle | 
|  | def wasm_swizzle_t : SDTypeProfile<1, 2, []>; | 
|  | def wasm_swizzle : SDNode<"WebAssemblyISD::SWIZZLE", wasm_swizzle_t>; | 
|  | defm SWIZZLE : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$src, V128:$mask), (outs), (ins), | 
|  | [(set (v16i8 V128:$dst), | 
|  | (wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)))], | 
|  | "v8x16.swizzle\t$dst, $src, $mask", "v8x16.swizzle", 14>; | 
|  |  | 
|  | def : Pat<(int_wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)), | 
|  | (SWIZZLE V128:$src, V128:$mask)>; | 
|  |  | 
|  | // Create vector with identical lanes: splat | 
|  | def splat2 : PatFrag<(ops node:$x), (build_vector node:$x, node:$x)>; | 
|  | def splat4 : PatFrag<(ops node:$x), (build_vector | 
|  | node:$x, node:$x, node:$x, node:$x)>; | 
|  | def splat8 : PatFrag<(ops node:$x), (build_vector | 
|  | node:$x, node:$x, node:$x, node:$x, | 
|  | node:$x, node:$x, node:$x, node:$x)>; | 
|  | def splat16 : PatFrag<(ops node:$x), (build_vector | 
|  | node:$x, node:$x, node:$x, node:$x, | 
|  | node:$x, node:$x, node:$x, node:$x, | 
|  | node:$x, node:$x, node:$x, node:$x, | 
|  | node:$x, node:$x, node:$x, node:$x)>; | 
|  |  | 
|  | multiclass Splat<ValueType vec_t, string vec, WebAssemblyRegClass reg_t, | 
|  | PatFrag splat_pat, bits<32> simdop> { | 
|  | defm SPLAT_#vec_t : SIMD_I<(outs V128:$dst), (ins reg_t:$x), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), (splat_pat reg_t:$x))], | 
|  | vec#".splat\t$dst, $x", vec#".splat", simdop>; | 
|  | } | 
|  |  | 
|  | defm "" : Splat<v16i8, "i8x16", I32, splat16, 15>; | 
|  | defm "" : Splat<v8i16, "i16x8", I32, splat8, 16>; | 
|  | defm "" : Splat<v4i32, "i32x4", I32, splat4, 17>; | 
|  | defm "" : Splat<v2i64, "i64x2", I64, splat2, 18>; | 
|  | defm "" : Splat<v4f32, "f32x4", F32, splat4, 19>; | 
|  | defm "" : Splat<v2f64, "f64x2", F64, splat2, 20>; | 
|  |  | 
|  | // scalar_to_vector leaves high lanes undefined, so can be a splat | 
|  | class ScalarSplatPat<ValueType vec_t, ValueType lane_t, | 
|  | WebAssemblyRegClass reg_t> : | 
|  | Pat<(vec_t (scalar_to_vector (lane_t reg_t:$x))), | 
|  | (!cast<Instruction>("SPLAT_"#vec_t) reg_t:$x)>; | 
|  |  | 
|  | def : ScalarSplatPat<v16i8, i32, I32>; | 
|  | def : ScalarSplatPat<v8i16, i32, I32>; | 
|  | def : ScalarSplatPat<v4i32, i32, I32>; | 
|  | def : ScalarSplatPat<v2i64, i64, I64>; | 
|  | def : ScalarSplatPat<v4f32, f32, F32>; | 
|  | def : ScalarSplatPat<v2f64, f64, F64>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Accessing lanes | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Extract lane as a scalar: extract_lane / extract_lane_s / extract_lane_u | 
|  | multiclass ExtractLane<ValueType vec_t, string vec, WebAssemblyRegClass reg_t, | 
|  | bits<32> simdop, string suffix = ""> { | 
|  | defm EXTRACT_LANE_#vec_t#suffix : | 
|  | SIMD_I<(outs reg_t:$dst), (ins V128:$vec, vec_i8imm_op:$idx), | 
|  | (outs), (ins vec_i8imm_op:$idx), [], | 
|  | vec#".extract_lane"#suffix#"\t$dst, $vec, $idx", | 
|  | vec#".extract_lane"#suffix#"\t$idx", simdop>; | 
|  | } | 
|  |  | 
|  | defm "" : ExtractLane<v16i8, "i8x16", I32, 21, "_s">; | 
|  | defm "" : ExtractLane<v16i8, "i8x16", I32, 22, "_u">; | 
|  | defm "" : ExtractLane<v8i16, "i16x8", I32, 24, "_s">; | 
|  | defm "" : ExtractLane<v8i16, "i16x8", I32, 25, "_u">; | 
|  | defm "" : ExtractLane<v4i32, "i32x4", I32, 27>; | 
|  | defm "" : ExtractLane<v2i64, "i64x2", I64, 29>; | 
|  | defm "" : ExtractLane<v4f32, "f32x4", F32, 31>; | 
|  | defm "" : ExtractLane<v2f64, "f64x2", F64, 33>; | 
|  |  | 
|  | def : Pat<(vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), | 
|  | (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>; | 
|  | def : Pat<(vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), | 
|  | (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>; | 
|  | def : Pat<(vector_extract (v4i32 V128:$vec), (i32 LaneIdx4:$idx)), | 
|  | (EXTRACT_LANE_v4i32 V128:$vec, imm:$idx)>; | 
|  | def : Pat<(vector_extract (v4f32 V128:$vec), (i32 LaneIdx4:$idx)), | 
|  | (EXTRACT_LANE_v4f32 V128:$vec, imm:$idx)>; | 
|  | def : Pat<(vector_extract (v2i64 V128:$vec), (i32 LaneIdx2:$idx)), | 
|  | (EXTRACT_LANE_v2i64 V128:$vec, imm:$idx)>; | 
|  | def : Pat<(vector_extract (v2f64 V128:$vec), (i32 LaneIdx2:$idx)), | 
|  | (EXTRACT_LANE_v2f64 V128:$vec, imm:$idx)>; | 
|  |  | 
|  | def : Pat< | 
|  | (sext_inreg (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), i8), | 
|  | (EXTRACT_LANE_v16i8_s V128:$vec, imm:$idx)>; | 
|  | def : Pat< | 
|  | (and (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), (i32 0xff)), | 
|  | (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>; | 
|  | def : Pat< | 
|  | (sext_inreg (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), i16), | 
|  | (EXTRACT_LANE_v8i16_s V128:$vec, imm:$idx)>; | 
|  | def : Pat< | 
|  | (and (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), (i32 0xffff)), | 
|  | (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>; | 
|  |  | 
|  | // Replace lane value: replace_lane | 
|  | multiclass ReplaceLane<ValueType vec_t, string vec, ImmLeaf imm_t, | 
|  | WebAssemblyRegClass reg_t, ValueType lane_t, | 
|  | bits<32> simdop> { | 
|  | defm REPLACE_LANE_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$vec, vec_i8imm_op:$idx, reg_t:$x), | 
|  | (outs), (ins vec_i8imm_op:$idx), | 
|  | [(set V128:$dst, (vector_insert | 
|  | (vec_t V128:$vec), (lane_t reg_t:$x), (i32 imm_t:$idx)))], | 
|  | vec#".replace_lane\t$dst, $vec, $idx, $x", | 
|  | vec#".replace_lane\t$idx", simdop>; | 
|  | } | 
|  |  | 
|  | defm "" : ReplaceLane<v16i8, "i8x16", LaneIdx16, I32, i32, 23>; | 
|  | defm "" : ReplaceLane<v8i16, "i16x8", LaneIdx8, I32, i32, 26>; | 
|  | defm "" : ReplaceLane<v4i32, "i32x4", LaneIdx4, I32, i32, 28>; | 
|  | defm "" : ReplaceLane<v2i64, "i64x2", LaneIdx2, I64, i64, 30>; | 
|  | defm "" : ReplaceLane<v4f32, "f32x4", LaneIdx4, F32, f32, 32>; | 
|  | defm "" : ReplaceLane<v2f64, "f64x2", LaneIdx2, F64, f64, 34>; | 
|  |  | 
|  | // Lower undef lane indices to zero | 
|  | def : Pat<(vector_insert (v16i8 V128:$vec), I32:$x, undef), | 
|  | (REPLACE_LANE_v16i8 V128:$vec, 0, I32:$x)>; | 
|  | def : Pat<(vector_insert (v8i16 V128:$vec), I32:$x, undef), | 
|  | (REPLACE_LANE_v8i16 V128:$vec, 0, I32:$x)>; | 
|  | def : Pat<(vector_insert (v4i32 V128:$vec), I32:$x, undef), | 
|  | (REPLACE_LANE_v4i32 V128:$vec, 0, I32:$x)>; | 
|  | def : Pat<(vector_insert (v2i64 V128:$vec), I64:$x, undef), | 
|  | (REPLACE_LANE_v2i64 V128:$vec, 0, I64:$x)>; | 
|  | def : Pat<(vector_insert (v4f32 V128:$vec), F32:$x, undef), | 
|  | (REPLACE_LANE_v4f32 V128:$vec, 0, F32:$x)>; | 
|  | def : Pat<(vector_insert (v2f64 V128:$vec), F64:$x, undef), | 
|  | (REPLACE_LANE_v2f64 V128:$vec, 0, F64:$x)>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Comparisons | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDCondition<ValueType vec_t, ValueType out_t, string vec, | 
|  | string name, CondCode cond, bits<32> simdop> { | 
|  | defm _#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins), | 
|  | [(set (out_t V128:$dst), | 
|  | (setcc (vec_t V128:$lhs), (vec_t V128:$rhs), cond) | 
|  | )], | 
|  | vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name, simdop>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDConditionInt<string name, CondCode cond, bits<32> baseInst> { | 
|  | defm "" : SIMDCondition<v16i8, v16i8, "i8x16", name, cond, baseInst>; | 
|  | defm "" : SIMDCondition<v8i16, v8i16, "i16x8", name, cond, | 
|  | !add(baseInst, 10)>; | 
|  | defm "" : SIMDCondition<v4i32, v4i32, "i32x4", name, cond, | 
|  | !add(baseInst, 20)>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDConditionFP<string name, CondCode cond, bits<32> baseInst> { | 
|  | defm "" : SIMDCondition<v4f32, v4i32, "f32x4", name, cond, baseInst>; | 
|  | defm "" : SIMDCondition<v2f64, v2i64, "f64x2", name, cond, | 
|  | !add(baseInst, 6)>; | 
|  | } | 
|  |  | 
|  | // Equality: eq | 
|  | let isCommutable = 1 in { | 
|  | defm EQ : SIMDConditionInt<"eq", SETEQ, 35>; | 
|  | defm EQ : SIMDConditionFP<"eq", SETOEQ, 65>; | 
|  | } // isCommutable = 1 | 
|  |  | 
|  | // Non-equality: ne | 
|  | let isCommutable = 1 in { | 
|  | defm NE : SIMDConditionInt<"ne", SETNE, 36>; | 
|  | defm NE : SIMDConditionFP<"ne", SETUNE, 66>; | 
|  | } // isCommutable = 1 | 
|  |  | 
|  | // Less than: lt_s / lt_u / lt | 
|  | defm LT_S : SIMDConditionInt<"lt_s", SETLT, 37>; | 
|  | defm LT_U : SIMDConditionInt<"lt_u", SETULT, 38>; | 
|  | defm LT : SIMDConditionFP<"lt", SETOLT, 67>; | 
|  |  | 
|  | // Greater than: gt_s / gt_u / gt | 
|  | defm GT_S : SIMDConditionInt<"gt_s", SETGT, 39>; | 
|  | defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 40>; | 
|  | defm GT : SIMDConditionFP<"gt", SETOGT, 68>; | 
|  |  | 
|  | // Less than or equal: le_s / le_u / le | 
|  | defm LE_S : SIMDConditionInt<"le_s", SETLE, 41>; | 
|  | defm LE_U : SIMDConditionInt<"le_u", SETULE, 42>; | 
|  | defm LE : SIMDConditionFP<"le", SETOLE, 69>; | 
|  |  | 
|  | // Greater than or equal: ge_s / ge_u / ge | 
|  | defm GE_S : SIMDConditionInt<"ge_s", SETGE, 43>; | 
|  | defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 44>; | 
|  | defm GE : SIMDConditionFP<"ge", SETOGE, 70>; | 
|  |  | 
|  | // Lower float comparisons that don't care about NaN to standard WebAssembly | 
|  | // float comparisons. These instructions are generated with nnan and in the | 
|  | // target-independent expansion of unordered comparisons and ordered ne. | 
|  | foreach nodes = [[seteq, EQ_v4f32], [setne, NE_v4f32], [setlt, LT_v4f32], | 
|  | [setgt, GT_v4f32], [setle, LE_v4f32], [setge, GE_v4f32]] in | 
|  | def : Pat<(v4i32 (nodes[0] (v4f32 V128:$lhs), (v4f32 V128:$rhs))), | 
|  | (v4i32 (nodes[1] (v4f32 V128:$lhs), (v4f32 V128:$rhs)))>; | 
|  |  | 
|  | foreach nodes = [[seteq, EQ_v2f64], [setne, NE_v2f64], [setlt, LT_v2f64], | 
|  | [setgt, GT_v2f64], [setle, LE_v2f64], [setge, GE_v2f64]] in | 
|  | def : Pat<(v2i64 (nodes[0] (v2f64 V128:$lhs), (v2f64 V128:$rhs))), | 
|  | (v2i64 (nodes[1] (v2f64 V128:$lhs), (v2f64 V128:$rhs)))>; | 
|  |  | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Bitwise operations | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDBinary<ValueType vec_t, string vec, SDNode node, string name, | 
|  | bits<32> simdop> { | 
|  | defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), | 
|  | (outs), (ins), | 
|  | [(set (vec_t V128:$dst), | 
|  | (node (vec_t V128:$lhs), (vec_t V128:$rhs)) | 
|  | )], | 
|  | vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name, | 
|  | simdop>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDBitwise<SDNode node, string name, bits<32> simdop> { | 
|  | defm "" : SIMDBinary<v16i8, "v128", node, name, simdop>; | 
|  | defm "" : SIMDBinary<v8i16, "v128", node, name, simdop>; | 
|  | defm "" : SIMDBinary<v4i32, "v128", node, name, simdop>; | 
|  | defm "" : SIMDBinary<v2i64, "v128", node, name, simdop>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDUnary<ValueType vec_t, string vec, SDNode node, string name, | 
|  | bits<32> simdop> { | 
|  | defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), | 
|  | (vec_t (node (vec_t V128:$vec))) | 
|  | )], | 
|  | vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>; | 
|  | } | 
|  |  | 
|  | // Bitwise logic: v128.not | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in | 
|  | defm NOT: SIMDUnary<vec_t, "v128", vnot, "not", 77>; | 
|  |  | 
|  | // Bitwise logic: v128.and / v128.or / v128.xor | 
|  | let isCommutable = 1 in { | 
|  | defm AND : SIMDBitwise<and, "and", 78>; | 
|  | defm OR : SIMDBitwise<or, "or", 80>; | 
|  | defm XOR : SIMDBitwise<xor, "xor", 81>; | 
|  | } // isCommutable = 1 | 
|  |  | 
|  | // Bitwise logic: v128.andnot | 
|  | def andnot : PatFrag<(ops node:$left, node:$right), (and $left, (vnot $right))>; | 
|  | defm ANDNOT : SIMDBitwise<andnot, "andnot", 79>; | 
|  |  | 
|  | // Bitwise select: v128.bitselect | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in | 
|  | defm BITSELECT_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$v1, V128:$v2, V128:$c), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), | 
|  | (vec_t (int_wasm_bitselect | 
|  | (vec_t V128:$v1), (vec_t V128:$v2), (vec_t V128:$c) | 
|  | )) | 
|  | )], | 
|  | "v128.bitselect\t$dst, $v1, $v2, $c", "v128.bitselect", 82>; | 
|  |  | 
|  | // Bitselect is equivalent to (c & v1) | (~c & v2) | 
|  | foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in | 
|  | def : Pat<(vec_t (or (and (vec_t V128:$c), (vec_t V128:$v1)), | 
|  | (and (vnot V128:$c), (vec_t V128:$v2)))), | 
|  | (!cast<Instruction>("BITSELECT_"#vec_t) | 
|  | V128:$v1, V128:$v2, V128:$c)>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Integer unary arithmetic | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDUnaryInt<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDUnary<v16i8, "i8x16", node, name, baseInst>; | 
|  | defm "" : SIMDUnary<v8i16, "i16x8", node, name, !add(baseInst, 32)>; | 
|  | defm "" : SIMDUnary<v4i32, "i32x4", node, name, !add(baseInst, 64)>; | 
|  | defm "" : SIMDUnary<v2i64, "i64x2", node, name, !add(baseInst, 96)>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDReduceVec<ValueType vec_t, string vec, SDNode op, string name, | 
|  | bits<32> simdop> { | 
|  | defm _#vec_t : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins), | 
|  | [(set I32:$dst, (i32 (op (vec_t V128:$vec))))], | 
|  | vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDReduce<SDNode op, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDReduceVec<v16i8, "i8x16", op, name, baseInst>; | 
|  | defm "" : SIMDReduceVec<v8i16, "i16x8", op, name, !add(baseInst, 32)>; | 
|  | defm "" : SIMDReduceVec<v4i32, "i32x4", op, name, !add(baseInst, 64)>; | 
|  | defm "" : SIMDReduceVec<v2i64, "i64x2", op, name, !add(baseInst, 96)>; | 
|  | } | 
|  |  | 
|  | // Integer vector negation | 
|  | def ivneg : PatFrag<(ops node:$in), (sub immAllZerosV, node:$in)>; | 
|  |  | 
|  | // Integer absolute value: abs | 
|  | defm ABS : SIMDUnaryInt<abs, "abs", 96>; | 
|  |  | 
|  | // Integer negation: neg | 
|  | defm NEG : SIMDUnaryInt<ivneg, "neg", 97>; | 
|  |  | 
|  | // Any lane true: any_true | 
|  | defm ANYTRUE : SIMDReduce<int_wasm_anytrue, "any_true", 98>; | 
|  |  | 
|  | // All lanes true: all_true | 
|  | defm ALLTRUE : SIMDReduce<int_wasm_alltrue, "all_true", 99>; | 
|  |  | 
|  | // Reductions already return 0 or 1, so and 1, setne 0, and seteq 1 | 
|  | // can be folded out | 
|  | foreach reduction = | 
|  | [["int_wasm_anytrue", "ANYTRUE"], ["int_wasm_alltrue", "ALLTRUE"]] in | 
|  | foreach ty = [v16i8, v8i16, v4i32, v2i64] in { | 
|  | def : Pat<(i32 (and | 
|  | (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))), | 
|  | (i32 1) | 
|  | )), | 
|  | (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>; | 
|  | def : Pat<(i32 (setne | 
|  | (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))), | 
|  | (i32 0) | 
|  | )), | 
|  | (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>; | 
|  | def : Pat<(i32 (seteq | 
|  | (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))), | 
|  | (i32 1) | 
|  | )), | 
|  | (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDBitmask<ValueType vec_t, string vec, bits<32> simdop> { | 
|  | defm _#vec_t : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins), | 
|  | [(set I32:$dst, | 
|  | (i32 (int_wasm_bitmask (vec_t V128:$vec))) | 
|  | )], | 
|  | vec#".bitmask\t$dst, $vec", vec#".bitmask", simdop>; | 
|  | } | 
|  |  | 
|  | defm BITMASK : SIMDBitmask<v16i8, "i8x16", 100>; | 
|  | defm BITMASK : SIMDBitmask<v8i16, "i16x8", 132>; | 
|  | defm BITMASK : SIMDBitmask<v4i32, "i32x4", 164>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Bit shifts | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDShift<ValueType vec_t, string vec, SDNode node, string name, | 
|  | bits<32> simdop> { | 
|  | defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec, I32:$x), | 
|  | (outs), (ins), | 
|  | [(set (vec_t V128:$dst), (node V128:$vec, I32:$x))], | 
|  | vec#"."#name#"\t$dst, $vec, $x", vec#"."#name, simdop>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDShiftInt<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDShift<v16i8, "i8x16", node, name, baseInst>; | 
|  | defm "" : SIMDShift<v8i16, "i16x8", node, name, !add(baseInst, 32)>; | 
|  | defm "" : SIMDShift<v4i32, "i32x4", node, name, !add(baseInst, 64)>; | 
|  | defm "" : SIMDShift<v2i64, "i64x2", node, name, !add(baseInst, 96)>; | 
|  | } | 
|  |  | 
|  | // WebAssembly SIMD shifts are nonstandard in that the shift amount is | 
|  | // an i32 rather than a vector, so they need custom nodes. | 
|  | def wasm_shift_t : SDTypeProfile<1, 2, | 
|  | [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVT<2, i32>] | 
|  | >; | 
|  | def wasm_shl : SDNode<"WebAssemblyISD::VEC_SHL", wasm_shift_t>; | 
|  | def wasm_shr_s : SDNode<"WebAssemblyISD::VEC_SHR_S", wasm_shift_t>; | 
|  | def wasm_shr_u : SDNode<"WebAssemblyISD::VEC_SHR_U", wasm_shift_t>; | 
|  |  | 
|  | // Left shift by scalar: shl | 
|  | defm SHL : SIMDShiftInt<wasm_shl, "shl", 107>; | 
|  |  | 
|  | // Right shift by scalar: shr_s / shr_u | 
|  | defm SHR_S : SIMDShiftInt<wasm_shr_s, "shr_s", 108>; | 
|  | defm SHR_U : SIMDShiftInt<wasm_shr_u, "shr_u", 109>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Integer binary arithmetic | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDBinaryIntNoI8x16<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 32)>; | 
|  | defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 64)>; | 
|  | defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 96)>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDBinaryIntSmall<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDBinary<v16i8, "i8x16", node, name, baseInst>; | 
|  | defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 32)>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDBinaryIntNoI64x2<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDBinaryIntSmall<node, name, baseInst>; | 
|  | defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 64)>; | 
|  | } | 
|  |  | 
|  | multiclass SIMDBinaryInt<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDBinaryIntNoI64x2<node, name, baseInst>; | 
|  | defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 96)>; | 
|  | } | 
|  |  | 
|  | // Integer addition: add / add_saturate_s / add_saturate_u | 
|  | let isCommutable = 1 in { | 
|  | defm ADD : SIMDBinaryInt<add, "add", 110>; | 
|  | defm ADD_SAT_S : SIMDBinaryIntSmall<saddsat, "add_saturate_s", 111>; | 
|  | defm ADD_SAT_U : SIMDBinaryIntSmall<uaddsat, "add_saturate_u", 112>; | 
|  | } // isCommutable = 1 | 
|  |  | 
|  | // Integer subtraction: sub / sub_saturate_s / sub_saturate_u | 
|  | defm SUB : SIMDBinaryInt<sub, "sub", 113>; | 
|  | defm SUB_SAT_S : | 
|  | SIMDBinaryIntSmall<int_wasm_sub_saturate_signed, "sub_saturate_s", 114>; | 
|  | defm SUB_SAT_U : | 
|  | SIMDBinaryIntSmall<int_wasm_sub_saturate_unsigned, "sub_saturate_u", 115>; | 
|  |  | 
|  | // Integer multiplication: mul | 
|  | let isCommutable = 1 in | 
|  | defm MUL : SIMDBinaryIntNoI8x16<mul, "mul", 117>; | 
|  |  | 
|  | // Integer min_s / min_u / max_s / max_u | 
|  | let isCommutable = 1 in { | 
|  | defm MIN_S : SIMDBinaryIntNoI64x2<smin, "min_s", 118>; | 
|  | defm MIN_U : SIMDBinaryIntNoI64x2<umin, "min_u", 119>; | 
|  | defm MAX_S : SIMDBinaryIntNoI64x2<smax, "max_s", 120>; | 
|  | defm MAX_U : SIMDBinaryIntNoI64x2<umax, "max_u", 121>; | 
|  | } // isCommutable = 1 | 
|  |  | 
|  | // Integer unsigned rounding average: avgr_u | 
|  | let isCommutable = 1 in { | 
|  | defm AVGR_U : SIMDBinary<v16i8, "i8x16", int_wasm_avgr_unsigned, "avgr_u", 123>; | 
|  | defm AVGR_U : SIMDBinary<v8i16, "i16x8", int_wasm_avgr_unsigned, "avgr_u", 155>; | 
|  | } | 
|  |  | 
|  | def add_nuw : PatFrag<(ops node:$lhs, node:$rhs), | 
|  | (add node:$lhs, node:$rhs), | 
|  | "return N->getFlags().hasNoUnsignedWrap();">; | 
|  |  | 
|  | foreach nodes = [[v16i8, splat16], [v8i16, splat8]] in | 
|  | def : Pat<(wasm_shr_u | 
|  | (add_nuw | 
|  | (add_nuw (nodes[0] V128:$lhs), (nodes[0] V128:$rhs)), | 
|  | (nodes[1] (i32 1)) | 
|  | ), | 
|  | (i32 1) | 
|  | ), | 
|  | (!cast<NI>("AVGR_U_"#nodes[0]) V128:$lhs, V128:$rhs)>; | 
|  |  | 
|  | // Widening dot product: i32x4.dot_i16x8_s | 
|  | let isCommutable = 1 in | 
|  | defm DOT : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins), | 
|  | [(set V128:$dst, (int_wasm_dot V128:$lhs, V128:$rhs))], | 
|  | "i32x4.dot_i16x8_s\t$dst, $lhs, $rhs", "i32x4.dot_i16x8_s", | 
|  | 180>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Floating-point unary arithmetic | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDUnaryFP<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDUnary<v4f32, "f32x4", node, name, baseInst>; | 
|  | defm "" : SIMDUnary<v2f64, "f64x2", node, name, !add(baseInst, 12)>; | 
|  | } | 
|  |  | 
|  | // Absolute value: abs | 
|  | defm ABS : SIMDUnaryFP<fabs, "abs", 224>; | 
|  |  | 
|  | // Negation: neg | 
|  | defm NEG : SIMDUnaryFP<fneg, "neg", 225>; | 
|  |  | 
|  | // Square root: sqrt | 
|  | defm SQRT : SIMDUnaryFP<fsqrt, "sqrt", 227>; | 
|  |  | 
|  | // Rounding: ceil, floor, trunc, nearest | 
|  | defm CEIL : SIMDUnary<v4f32, "f32x4", int_wasm_ceil, "ceil", 216>; | 
|  | defm FLOOR : SIMDUnary<v4f32, "f32x4", int_wasm_floor, "floor", 217>; | 
|  | defm TRUNC: SIMDUnary<v4f32, "f32x4", int_wasm_trunc, "trunc", 218>; | 
|  | defm NEAREST: SIMDUnary<v4f32, "f32x4", int_wasm_nearest, "nearest", 219>; | 
|  | defm CEIL : SIMDUnary<v2f64, "f64x2", int_wasm_ceil, "ceil", 220>; | 
|  | defm FLOOR : SIMDUnary<v2f64, "f64x2", int_wasm_floor, "floor", 221>; | 
|  | defm TRUNC: SIMDUnary<v2f64, "f64x2", int_wasm_trunc, "trunc", 222>; | 
|  | defm NEAREST: SIMDUnary<v2f64, "f64x2", int_wasm_nearest, "nearest", 223>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Floating-point binary arithmetic | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDBinaryFP<SDNode node, string name, bits<32> baseInst> { | 
|  | defm "" : SIMDBinary<v4f32, "f32x4", node, name, baseInst>; | 
|  | defm "" : SIMDBinary<v2f64, "f64x2", node, name, !add(baseInst, 12)>; | 
|  | } | 
|  |  | 
|  | // Addition: add | 
|  | let isCommutable = 1 in | 
|  | defm ADD : SIMDBinaryFP<fadd, "add", 228>; | 
|  |  | 
|  | // Subtraction: sub | 
|  | defm SUB : SIMDBinaryFP<fsub, "sub", 229>; | 
|  |  | 
|  | // Multiplication: mul | 
|  | let isCommutable = 1 in | 
|  | defm MUL : SIMDBinaryFP<fmul, "mul", 230>; | 
|  |  | 
|  | // Division: div | 
|  | defm DIV : SIMDBinaryFP<fdiv, "div", 231>; | 
|  |  | 
|  | // NaN-propagating minimum: min | 
|  | defm MIN : SIMDBinaryFP<fminimum, "min", 232>; | 
|  |  | 
|  | // NaN-propagating maximum: max | 
|  | defm MAX : SIMDBinaryFP<fmaximum, "max", 233>; | 
|  |  | 
|  | // Pseudo-minimum: pmin | 
|  | defm PMIN : SIMDBinaryFP<int_wasm_pmin, "pmin", 234>; | 
|  |  | 
|  | // Pseudo-maximum: pmax | 
|  | defm PMAX : SIMDBinaryFP<int_wasm_pmax, "pmax", 235>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Conversions | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDConvert<ValueType vec_t, ValueType arg_t, SDNode op, | 
|  | string name, bits<32> simdop> { | 
|  | defm op#_#vec_t#_#arg_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), (vec_t (op (arg_t V128:$vec))))], | 
|  | name#"\t$dst, $vec", name, simdop>; | 
|  | } | 
|  |  | 
|  | // Floating point to integer with saturation: trunc_sat | 
|  | defm "" : SIMDConvert<v4i32, v4f32, fp_to_sint, "i32x4.trunc_sat_f32x4_s", 248>; | 
|  | defm "" : SIMDConvert<v4i32, v4f32, fp_to_uint, "i32x4.trunc_sat_f32x4_u", 249>; | 
|  |  | 
|  | // Integer to floating point: convert | 
|  | defm "" : SIMDConvert<v4f32, v4i32, sint_to_fp, "f32x4.convert_i32x4_s", 250>; | 
|  | defm "" : SIMDConvert<v4f32, v4i32, uint_to_fp, "f32x4.convert_i32x4_u", 251>; | 
|  |  | 
|  | // Widening operations | 
|  | multiclass SIMDWiden<ValueType vec_t, string vec, ValueType arg_t, string arg, | 
|  | bits<32> baseInst> { | 
|  | defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_signed, | 
|  | vec#".widen_low_"#arg#"_s", baseInst>; | 
|  | defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_signed, | 
|  | vec#".widen_high_"#arg#"_s", !add(baseInst, 1)>; | 
|  | defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_unsigned, | 
|  | vec#".widen_low_"#arg#"_u", !add(baseInst, 2)>; | 
|  | defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_unsigned, | 
|  | vec#".widen_high_"#arg#"_u", !add(baseInst, 3)>; | 
|  | } | 
|  |  | 
|  | defm "" : SIMDWiden<v8i16, "i16x8", v16i8, "i8x16", 135>; | 
|  | defm "" : SIMDWiden<v4i32, "i32x4", v8i16, "i16x8", 167>; | 
|  |  | 
|  | // Narrowing operations | 
|  | multiclass SIMDNarrow<ValueType vec_t, string vec, ValueType arg_t, string arg, | 
|  | bits<32> baseInst> { | 
|  | defm NARROW_S_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_signed | 
|  | (arg_t V128:$low), (arg_t V128:$high))))], | 
|  | vec#".narrow_"#arg#"_s\t$dst, $low, $high", vec#".narrow_"#arg#"_s", | 
|  | baseInst>; | 
|  | defm NARROW_U_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins), | 
|  | [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_unsigned | 
|  | (arg_t V128:$low), (arg_t V128:$high))))], | 
|  | vec#".narrow_"#arg#"_u\t$dst, $low, $high", vec#".narrow_"#arg#"_u", | 
|  | !add(baseInst, 1)>; | 
|  | } | 
|  |  | 
|  | defm "" : SIMDNarrow<v16i8, "i8x16", v8i16, "i16x8", 101>; | 
|  | defm "" : SIMDNarrow<v8i16, "i16x8", v4i32, "i32x4", 133>; | 
|  |  | 
|  | // Lower llvm.wasm.trunc.saturate.* to saturating instructions | 
|  | def : Pat<(v4i32 (int_wasm_trunc_saturate_signed (v4f32 V128:$src))), | 
|  | (fp_to_sint_v4i32_v4f32 (v4f32 V128:$src))>; | 
|  | def : Pat<(v4i32 (int_wasm_trunc_saturate_unsigned (v4f32 V128:$src))), | 
|  | (fp_to_uint_v4i32_v4f32 (v4f32 V128:$src))>; | 
|  |  | 
|  | // Bitcasts are nops | 
|  | // Matching bitcast t1 to t1 causes strange errors, so avoid repeating types | 
|  | foreach t1 = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in | 
|  | foreach t2 = !foldl( | 
|  | []<ValueType>, [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], | 
|  | acc, cur, !if(!eq(!cast<string>(t1), !cast<string>(cur)), | 
|  | acc, !listconcat(acc, [cur]) | 
|  | ) | 
|  | ) in | 
|  | def : Pat<(t1 (bitconvert (t2 V128:$v))), (t1 V128:$v)>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Quasi-Fused Multiply- Add and Subtract (QFMA/QFMS) | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass SIMDQFM<ValueType vec_t, string vec, bits<32> baseInst> { | 
|  | defm QFMA_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c), | 
|  | (outs), (ins), | 
|  | [(set (vec_t V128:$dst), | 
|  | (int_wasm_qfma (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))], | 
|  | vec#".qfma\t$dst, $a, $b, $c", vec#".qfma", baseInst>; | 
|  | defm QFMS_#vec_t : | 
|  | SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c), | 
|  | (outs), (ins), | 
|  | [(set (vec_t V128:$dst), | 
|  | (int_wasm_qfms (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))], | 
|  | vec#".qfms\t$dst, $a, $b, $c", vec#".qfms", !add(baseInst, 1)>; | 
|  | } | 
|  |  | 
|  | defm "" : SIMDQFM<v4f32, "f32x4", 252>; | 
|  | defm "" : SIMDQFM<v2f64, "f64x2", 254>; |