| // 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 |
| multiclass SIMDLoad<ValueType vec_t> { |
| let mayLoad = 1, UseNamedOperandTable = 1 in |
| defm LOAD_#vec_t : |
| 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$p2align", 0>; |
| } |
| |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { |
| defm "" : SIMDLoad<vec_t>; |
| |
| // Def load and store patterns from WebAssemblyInstrMemory.td for vector types |
| def : LoadPatNoOffset<vec_t, load, !cast<NI>("LOAD_"#vec_t)>; |
| def : LoadPatImmOff<vec_t, load, regPlusImm, !cast<NI>("LOAD_"#vec_t)>; |
| def : LoadPatImmOff<vec_t, load, or_is_add, !cast<NI>("LOAD_"#vec_t)>; |
| def : LoadPatGlobalAddr<vec_t, load, !cast<NI>("LOAD_"#vec_t)>; |
| def : LoadPatOffsetOnly<vec_t, load, !cast<NI>("LOAD_"#vec_t)>; |
| def : LoadPatGlobalAddrOffOnly<vec_t, load, !cast<NI>("LOAD_"#vec_t)>; |
| } |
| |
| // Store: v128.store |
| multiclass SIMDStore<ValueType vec_t> { |
| let mayStore = 1, UseNamedOperandTable = 1 in |
| defm STORE_#vec_t : |
| SIMD_I<(outs), (ins P2Align:$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$p2align", 1>; |
| } |
| |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { |
| defm "" : SIMDStore<vec_t>; |
| |
| // Def load and store patterns from WebAssemblyInstrMemory.td for vector types |
| def : StorePatNoOffset<vec_t, store, !cast<NI>("STORE_"#vec_t)>; |
| def : StorePatImmOff<vec_t, store, regPlusImm, !cast<NI>("STORE_"#vec_t)>; |
| def : StorePatImmOff<vec_t, store, or_is_add, !cast<NI>("STORE_"#vec_t)>; |
| def : StorePatGlobalAddr<vec_t, store, !cast<NI>("STORE_"#vec_t)>; |
| def : StorePatOffsetOnly<vec_t, store, !cast<NI>("STORE_"#vec_t)>; |
| def : StorePatGlobalAddrOffOnly<vec_t, store, !cast<NI>("STORE_"#vec_t)>; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Constructing SIMD values |
| //===----------------------------------------------------------------------===// |
| |
| // Constant: v128.const |
| multiclass ConstVec<ValueType vec_t, dag ops, dag pat, string args> { |
| let isMoveImm = 1, isReMaterializable = 1, |
| Predicates = [HasSIMD128, HasUnimplementedSIMD128] in |
| defm CONST_V128_#vec_t : SIMD_I<(outs V128:$dst), ops, (outs), ops, |
| [(set V128:$dst, (vec_t pat))], |
| "v128.const\t$dst, "#args, |
| "v128.const\t"#args, 2>; |
| } |
| |
| 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, $mF", |
| 3>; |
| |
| // Shuffles after custom lowering |
| def wasm_shuffle_t : SDTypeProfile<1, 18, []>; |
| def wasm_shuffle : SDNode<"WebAssemblyISD::SHUFFLE", wasm_shuffle_t>; |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in { |
| def : Pat<(vec_t (wasm_shuffle (vec_t V128:$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:$mF)))>; |
| } |
| |
| // Create vector with identical lanes: splat |
| def splat2 : PatFrag<(ops node:$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:$x)>; |
| |
| multiclass Splat<ValueType vec_t, string vec, WebAssemblyRegClass reg_t, |
| PatFrag splat_pat, bits<32> simdop> { |
| // Prefer splats over v128.const for const splats (65 is lowest that works) |
| let AddedComplexity = 65 in |
| defm SPLAT_#vec_t : SIMD_I<(outs V128:$dst), (ins reg_t:$x), (outs), (ins), |
| [(set (vec_t V128:$dst), (splat_pat reg_t:$x))], |
| vec#".splat\t$dst, $x", vec#".splat", simdop>; |
| } |
| |
| defm "" : Splat<v16i8, "i8x16", I32, splat16, 4>; |
| defm "" : Splat<v8i16, "i16x8", I32, splat8, 8>; |
| defm "" : Splat<v4i32, "i32x4", I32, splat4, 12>; |
| defm "" : Splat<v2i64, "i64x2", I64, splat2, 15>; |
| defm "" : Splat<v4f32, "f32x4", F32, splat4, 18>; |
| defm "" : Splat<v2f64, "f64x2", F64, splat2, 21>; |
| |
| // scalar_to_vector leaves high lanes undefined, so can be a splat |
| class ScalarSplatPat<ValueType vec_t, ValueType lane_t, |
| WebAssemblyRegClass reg_t> : |
| Pat<(vec_t (scalar_to_vector (lane_t reg_t:$x))), |
| (!cast<Instruction>("SPLAT_"#vec_t) reg_t:$x)>; |
| |
| def : ScalarSplatPat<v16i8, i32, I32>; |
| def : ScalarSplatPat<v8i16, i32, I32>; |
| def : ScalarSplatPat<v4i32, i32, I32>; |
| def : ScalarSplatPat<v2i64, i64, I64>; |
| def : ScalarSplatPat<v4f32, f32, F32>; |
| def : ScalarSplatPat<v2f64, f64, F64>; |
| |
| //===----------------------------------------------------------------------===// |
| // Accessing lanes |
| //===----------------------------------------------------------------------===// |
| |
| // Extract lane as a scalar: extract_lane / extract_lane_s / extract_lane_u |
| multiclass ExtractLane<ValueType vec_t, string vec, ImmLeaf imm_t, |
| WebAssemblyRegClass reg_t, bits<32> simdop, |
| string suffix = "", SDNode extract = vector_extract> { |
| defm EXTRACT_LANE_#vec_t#suffix : |
| SIMD_I<(outs reg_t:$dst), (ins V128:$vec, vec_i8imm_op:$idx), |
| (outs), (ins vec_i8imm_op:$idx), |
| [(set reg_t:$dst, (extract (vec_t V128:$vec), (i32 imm_t:$idx)))], |
| vec#".extract_lane"#suffix#"\t$dst, $vec, $idx", |
| vec#".extract_lane"#suffix#"\t$idx", simdop>; |
| } |
| |
| multiclass ExtractPat<ValueType lane_t, int mask> { |
| def _s : PatFrag<(ops node:$vec, node:$idx), |
| (i32 (sext_inreg |
| (i32 (vector_extract |
| node:$vec, |
| node:$idx |
| )), |
| lane_t |
| ))>; |
| def _u : PatFrag<(ops node:$vec, node:$idx), |
| (i32 (and |
| (i32 (vector_extract |
| node:$vec, |
| node:$idx |
| )), |
| (i32 mask) |
| ))>; |
| } |
| |
| defm extract_i8x16 : ExtractPat<i8, 0xff>; |
| defm extract_i16x8 : ExtractPat<i16, 0xffff>; |
| |
| multiclass ExtractLaneExtended<string sign, bits<32> baseInst> { |
| defm "" : ExtractLane<v16i8, "i8x16", LaneIdx16, I32, baseInst, sign, |
| !cast<PatFrag>("extract_i8x16"#sign)>; |
| defm "" : ExtractLane<v8i16, "i16x8", LaneIdx8, I32, !add(baseInst, 4), sign, |
| !cast<PatFrag>("extract_i16x8"#sign)>; |
| } |
| |
| defm "" : ExtractLaneExtended<"_s", 5>; |
| let Predicates = [HasSIMD128, HasUnimplementedSIMD128] in |
| defm "" : ExtractLaneExtended<"_u", 6>; |
| defm "" : ExtractLane<v4i32, "i32x4", LaneIdx4, I32, 13>; |
| defm "" : ExtractLane<v2i64, "i64x2", LaneIdx2, I64, 16>; |
| defm "" : ExtractLane<v4f32, "f32x4", LaneIdx4, F32, 19>; |
| defm "" : ExtractLane<v2f64, "f64x2", LaneIdx2, F64, 22>; |
| |
| // It would be more conventional to use unsigned extracts, but v8 |
| // doesn't implement them yet |
| def : Pat<(i32 (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx))), |
| (EXTRACT_LANE_v16i8_s V128:$vec, (i32 LaneIdx16:$idx))>; |
| def : Pat<(i32 (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx))), |
| (EXTRACT_LANE_v8i16_s V128:$vec, (i32 LaneIdx8:$idx))>; |
| |
| // Lower undef lane indices to zero |
| def : Pat<(and (i32 (vector_extract (v16i8 V128:$vec), undef)), (i32 0xff)), |
| (EXTRACT_LANE_v16i8_u V128:$vec, 0)>; |
| def : Pat<(and (i32 (vector_extract (v8i16 V128:$vec), undef)), (i32 0xffff)), |
| (EXTRACT_LANE_v8i16_u V128:$vec, 0)>; |
| def : Pat<(i32 (vector_extract (v16i8 V128:$vec), undef)), |
| (EXTRACT_LANE_v16i8_u V128:$vec, 0)>; |
| def : Pat<(i32 (vector_extract (v8i16 V128:$vec), undef)), |
| (EXTRACT_LANE_v8i16_u V128:$vec, 0)>; |
| def : Pat<(sext_inreg (i32 (vector_extract (v16i8 V128:$vec), undef)), i8), |
| (EXTRACT_LANE_v16i8_s V128:$vec, 0)>; |
| def : Pat<(sext_inreg (i32 (vector_extract (v8i16 V128:$vec), undef)), i16), |
| (EXTRACT_LANE_v8i16_s V128:$vec, 0)>; |
| def : Pat<(vector_extract (v4i32 V128:$vec), undef), |
| (EXTRACT_LANE_v4i32 V128:$vec, 0)>; |
| def : Pat<(vector_extract (v2i64 V128:$vec), undef), |
| (EXTRACT_LANE_v2i64 V128:$vec, 0)>; |
| def : Pat<(vector_extract (v4f32 V128:$vec), undef), |
| (EXTRACT_LANE_v4f32 V128:$vec, 0)>; |
| def : Pat<(vector_extract (v2f64 V128:$vec), undef), |
| (EXTRACT_LANE_v2f64 V128:$vec, 0)>; |
| |
| // 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, 7>; |
| defm "" : ReplaceLane<v8i16, "i16x8", LaneIdx8, I32, i32, 11>; |
| defm "" : ReplaceLane<v4i32, "i32x4", LaneIdx4, I32, i32, 14>; |
| defm "" : ReplaceLane<v2i64, "i64x2", LaneIdx2, I64, i64, 17>; |
| defm "" : ReplaceLane<v4f32, "f32x4", LaneIdx4, F32, f32, 20>; |
| defm "" : ReplaceLane<v2f64, "f64x2", LaneIdx2, F64, f64, 23>; |
| |
| // 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, 24>; |
| defm EQ : SIMDConditionFP<"eq", SETOEQ, 64>; |
| } // isCommutable = 1 |
| |
| // Non-equality: ne |
| let isCommutable = 1 in { |
| defm NE : SIMDConditionInt<"ne", SETNE, 25>; |
| defm NE : SIMDConditionFP<"ne", SETUNE, 65>; |
| } // isCommutable = 1 |
| |
| // Less than: lt_s / lt_u / lt |
| defm LT_S : SIMDConditionInt<"lt_s", SETLT, 26>; |
| defm LT_U : SIMDConditionInt<"lt_u", SETULT, 27>; |
| defm LT : SIMDConditionFP<"lt", SETOLT, 66>; |
| |
| // Greater than: gt_s / gt_u / gt |
| defm GT_S : SIMDConditionInt<"gt_s", SETGT, 28>; |
| defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 29>; |
| defm GT : SIMDConditionFP<"gt", SETOGT, 67>; |
| |
| // Less than or equal: le_s / le_u / le |
| defm LE_S : SIMDConditionInt<"le_s", SETLE, 30>; |
| defm LE_U : SIMDConditionInt<"le_u", SETULE, 31>; |
| defm LE : SIMDConditionFP<"le", SETOLE, 68>; |
| |
| // Greater than or equal: ge_s / ge_u / ge |
| defm GE_S : SIMDConditionInt<"ge_s", SETGE, 32>; |
| defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 33>; |
| defm GE : SIMDConditionFP<"ge", SETOGE, 69>; |
| |
| // 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, $vec", vec#"."#name, simdop>; |
| } |
| |
| // Bitwise logic: v128.not |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in |
| defm NOT: SIMDUnary<vec_t, "v128", vnot, "not", 76>; |
| |
| // Bitwise logic: v128.and / v128.or / v128.xor |
| let isCommutable = 1 in { |
| defm AND : SIMDBitwise<and, "and", 77>; |
| defm OR : SIMDBitwise<or, "or", 78>; |
| defm XOR : SIMDBitwise<xor, "xor", 79>; |
| } // isCommutable = 1 |
| |
| // Bitwise select: v128.bitselect |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in |
| defm BITSELECT_#vec_t : |
| SIMD_I<(outs V128:$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, $c", "v128.bitselect", 80>; |
| |
| // Bitselect is equivalent to (c & v1) | (~c & v2) |
| foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in |
| def : Pat<(vec_t (or (and (vec_t V128:$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, 17)>; |
| defm "" : SIMDUnary<v4i32, "i32x4", node, name, !add(baseInst, 34)>; |
| defm "" : SIMDUnary<v2i64, "i64x2", node, name, !add(baseInst, 51)>; |
| } |
| |
| 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, $vec", vec#"."#name, simdop>; |
| } |
| |
| multiclass SIMDReduce<SDNode op, string name, bits<32> baseInst> { |
| defm "" : SIMDReduceVec<v16i8, "i8x16", op, name, baseInst>; |
| defm "" : SIMDReduceVec<v8i16, "i16x8", op, name, !add(baseInst, 17)>; |
| defm "" : SIMDReduceVec<v4i32, "i32x4", op, name, !add(baseInst, 34)>; |
| defm "" : SIMDReduceVec<v2i64, "i64x2", op, name, !add(baseInst, 51)>; |
| } |
| |
| // Integer vector negation |
| def ivneg : PatFrag<(ops node:$in), (sub immAllZerosV, node:$in)>; |
| |
| // Integer negation: neg |
| defm NEG : SIMDUnaryInt<ivneg, "neg", 81>; |
| |
| // Any lane true: any_true |
| defm ANYTRUE : SIMDReduce<int_wasm_anytrue, "any_true", 82>; |
| |
| // All lanes true: all_true |
| defm ALLTRUE : SIMDReduce<int_wasm_alltrue, "all_true", 83>; |
| |
| //===----------------------------------------------------------------------===// |
| // Bit shifts |
| //===----------------------------------------------------------------------===// |
| |
| multiclass SIMDShift<ValueType vec_t, string vec, SDNode node, dag shift_vec, |
| string name, bits<32> simdop> { |
| defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec, I32:$x), |
| (outs), (ins), |
| [(set (vec_t V128:$dst), |
| (node V128:$vec, (vec_t shift_vec)))], |
| vec#"."#name#"\t$dst, $vec, $x", vec#"."#name, simdop>; |
| } |
| |
| multiclass SIMDShiftInt<SDNode node, string name, bits<32> baseInst> { |
| defm "" : SIMDShift<v16i8, "i8x16", node, (splat16 I32:$x), name, baseInst>; |
| defm "" : SIMDShift<v8i16, "i16x8", node, (splat8 I32:$x), name, |
| !add(baseInst, 17)>; |
| defm "" : SIMDShift<v4i32, "i32x4", node, (splat4 I32:$x), name, |
| !add(baseInst, 34)>; |
| defm "" : SIMDShift<v2i64, "i64x2", node, (splat2 (i64 (zext I32:$x))), |
| name, !add(baseInst, 51)>; |
| } |
| |
| // Left shift by scalar: shl |
| defm SHL : SIMDShiftInt<shl, "shl", 84>; |
| |
| // Right shift by scalar: shr_s / shr_u |
| defm SHR_S : SIMDShiftInt<sra, "shr_s", 85>; |
| defm SHR_U : SIMDShiftInt<srl, "shr_u", 86>; |
| |
| // Truncate i64 shift operands to i32s |
| foreach shifts = [[shl, SHL_v2i64], [sra, SHR_S_v2i64], [srl, SHR_U_v2i64]] in |
| def : Pat<(v2i64 (shifts[0] (v2i64 V128:$vec), (v2i64 (splat2 I64:$x)))), |
| (v2i64 (shifts[1] (v2i64 V128:$vec), (I32_WRAP_I64 I64:$x)))>; |
| |
| // 2xi64 shifts with constant shift amounts are custom lowered to avoid wrapping |
| def wasm_shift_t : SDTypeProfile<1, 2, |
| [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVT<2, i32>] |
| >; |
| def wasm_shl : SDNode<"WebAssemblyISD::VEC_SHL", wasm_shift_t>; |
| def wasm_shr_s : SDNode<"WebAssemblyISD::VEC_SHR_S", wasm_shift_t>; |
| def wasm_shr_u : SDNode<"WebAssemblyISD::VEC_SHR_U", wasm_shift_t>; |
| foreach shifts = [[wasm_shl, SHL_v2i64], |
| [wasm_shr_s, SHR_S_v2i64], |
| [wasm_shr_u, SHR_U_v2i64]] in |
| def : Pat<(v2i64 (shifts[0] (v2i64 V128:$vec), I32:$x)), |
| (v2i64 (shifts[1] (v2i64 V128:$vec), I32:$x))>; |
| |
| //===----------------------------------------------------------------------===// |
| // Integer binary arithmetic |
| //===----------------------------------------------------------------------===// |
| |
| multiclass SIMDBinaryIntSmall<SDNode node, string name, bits<32> baseInst> { |
| defm "" : SIMDBinary<v16i8, "i8x16", node, name, baseInst>; |
| defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 17)>; |
| } |
| |
| multiclass SIMDBinaryIntNoI64x2<SDNode node, string name, bits<32> baseInst> { |
| defm "" : SIMDBinaryIntSmall<node, name, baseInst>; |
| defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 34)>; |
| } |
| |
| multiclass SIMDBinaryInt<SDNode node, string name, bits<32> baseInst> { |
| defm "" : SIMDBinaryIntNoI64x2<node, name, baseInst>; |
| defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 51)>; |
| } |
| |
| // Integer addition: add / add_saturate_s / add_saturate_u |
| let isCommutable = 1 in { |
| defm ADD : SIMDBinaryInt<add, "add", 87>; |
| defm ADD_SAT_S : SIMDBinaryIntSmall<saddsat, "add_saturate_s", 88>; |
| defm ADD_SAT_U : SIMDBinaryIntSmall<uaddsat, "add_saturate_u", 89>; |
| } // isCommutable = 1 |
| |
| // Integer subtraction: sub / sub_saturate_s / sub_saturate_u |
| defm SUB : SIMDBinaryInt<sub, "sub", 90>; |
| defm SUB_SAT_S : |
| SIMDBinaryIntSmall<int_wasm_sub_saturate_signed, "sub_saturate_s", 91>; |
| defm SUB_SAT_U : |
| SIMDBinaryIntSmall<int_wasm_sub_saturate_unsigned, "sub_saturate_u", 92>; |
| |
| // Integer multiplication: mul |
| defm MUL : SIMDBinaryIntNoI64x2<mul, "mul", 93>; |
| |
| //===----------------------------------------------------------------------===// |
| // 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, 11)>; |
| } |
| |
| // Absolute value: abs |
| defm ABS : SIMDUnaryFP<fabs, "abs", 149>; |
| |
| // Negation: neg |
| defm NEG : SIMDUnaryFP<fneg, "neg", 150>; |
| |
| // Square root: sqrt |
| let Predicates = [HasSIMD128, HasUnimplementedSIMD128] in |
| defm SQRT : SIMDUnaryFP<fsqrt, "sqrt", 151>; |
| |
| //===----------------------------------------------------------------------===// |
| // 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, 11)>; |
| } |
| |
| // Addition: add |
| let isCommutable = 1 in |
| defm ADD : SIMDBinaryFP<fadd, "add", 154>; |
| |
| // Subtraction: sub |
| defm SUB : SIMDBinaryFP<fsub, "sub", 155>; |
| |
| // Multiplication: mul |
| let isCommutable = 1 in |
| defm MUL : SIMDBinaryFP<fmul, "mul", 156>; |
| |
| // Division: div |
| let Predicates = [HasSIMD128, HasUnimplementedSIMD128] in |
| defm DIV : SIMDBinaryFP<fdiv, "div", 157>; |
| |
| // NaN-propagating minimum: min |
| defm MIN : SIMDBinaryFP<fminimum, "min", 158>; |
| |
| // NaN-propagating maximum: max |
| defm MAX : SIMDBinaryFP<fmaximum, "max", 159>; |
| |
| //===----------------------------------------------------------------------===// |
| // 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, $vec", name, simdop>; |
| } |
| |
| // Integer to floating point: convert |
| defm "" : SIMDConvert<v4f32, v4i32, sint_to_fp, "f32x4.convert_i32x4_s", 175>; |
| defm "" : SIMDConvert<v4f32, v4i32, uint_to_fp, "f32x4.convert_i32x4_u", 176>; |
| defm "" : SIMDConvert<v2f64, v2i64, sint_to_fp, "f64x2.convert_i64x2_s", 177>; |
| defm "" : SIMDConvert<v2f64, v2i64, uint_to_fp, "f64x2.convert_i64x2_u", 178>; |
| |
| // Floating point to integer with saturation: trunc_sat |
| defm "" : SIMDConvert<v4i32, v4f32, fp_to_sint, "i32x4.trunc_sat_f32x4_s", 171>; |
| defm "" : SIMDConvert<v4i32, v4f32, fp_to_uint, "i32x4.trunc_sat_f32x4_u", 172>; |
| defm "" : SIMDConvert<v2i64, v2f64, fp_to_sint, "i64x2.trunc_sat_f64x2_s", 173>; |
| defm "" : SIMDConvert<v2i64, v2f64, fp_to_uint, "i64x2.trunc_sat_f64x2_u", 174>; |
| |
| // Lower llvm.wasm.trunc.saturate.* to saturating instructions |
| def : Pat<(v4i32 (int_wasm_trunc_saturate_signed (v4f32 V128:$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:$src))>; |
| def : Pat<(v2i64 (int_wasm_trunc_saturate_signed (v2f64 V128:$src))), |
| (fp_to_sint_v2i64_v2f64 (v2f64 V128:$src))>; |
| def : Pat<(v2i64 (int_wasm_trunc_saturate_unsigned (v2f64 V128:$src))), |
| (fp_to_uint_v2i64_v2f64 (v2f64 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)>; |