1//===-- WebAssemblyInstrConv.td-WebAssembly Conversion 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 datatype conversions, truncations, reinterpretations, 11/// promotions, and demotions operand code-gen constructs. 12/// 13//===----------------------------------------------------------------------===// 14 15defm I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins), 16 [(set I32:$dst, (trunc I64:$src))], 17 "i32.wrap_i64\t$dst, $src", "i32.wrap_i64", 0xa7>; 18 19defm I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins), 20 [(set I64:$dst, (sext I32:$src))], 21 "i64.extend_i32_s\t$dst, $src", "i64.extend_i32_s", 22 0xac>; 23defm I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins), 24 [(set I64:$dst, (zext I32:$src))], 25 "i64.extend_i32_u\t$dst, $src", "i64.extend_i32_u", 26 0xad>; 27 28let Predicates = [HasSignExt] in { 29defm I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 30 [(set I32:$dst, (sext_inreg I32:$src, i8))], 31 "i32.extend8_s\t$dst, $src", "i32.extend8_s", 32 0xc0>; 33defm I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 34 [(set I32:$dst, (sext_inreg I32:$src, i16))], 35 "i32.extend16_s\t$dst, $src", "i32.extend16_s", 36 0xc1>; 37defm I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 38 [(set I64:$dst, (sext_inreg I64:$src, i8))], 39 "i64.extend8_s\t$dst, $src", "i64.extend8_s", 40 0xc2>; 41defm I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 42 [(set I64:$dst, (sext_inreg I64:$src, i16))], 43 "i64.extend16_s\t$dst, $src", "i64.extend16_s", 44 0xc3>; 45defm I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 46 [(set I64:$dst, (sext_inreg I64:$src, i32))], 47 "i64.extend32_s\t$dst, $src", "i64.extend32_s", 48 0xc4>; 49} // Predicates = [HasSignExt] 50 51// Expand a "don't care" extend into zero-extend (chosen over sign-extend 52// somewhat arbitrarily, although it favors popular hardware architectures 53// and is conceptually a simpler operation). 54def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>; 55 56// Conversion from floating point to integer instructions which don't trap on 57// overflow or invalid. 58defm I32_TRUNC_S_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 59 [(set I32:$dst, (fp_to_sint F32:$src))], 60 "i32.trunc_sat_f32_s\t$dst, $src", 61 "i32.trunc_sat_f32_s", 0xfc00>, 62 Requires<[HasNontrappingFPToInt]>; 63defm I32_TRUNC_U_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 64 [(set I32:$dst, (fp_to_uint F32:$src))], 65 "i32.trunc_sat_f32_u\t$dst, $src", 66 "i32.trunc_sat_f32_u", 0xfc01>, 67 Requires<[HasNontrappingFPToInt]>; 68defm I64_TRUNC_S_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 69 [(set I64:$dst, (fp_to_sint F32:$src))], 70 "i64.trunc_sat_f32_s\t$dst, $src", 71 "i64.trunc_sat_f32_s", 0xfc04>, 72 Requires<[HasNontrappingFPToInt]>; 73defm I64_TRUNC_U_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 74 [(set I64:$dst, (fp_to_uint F32:$src))], 75 "i64.trunc_sat_f32_u\t$dst, $src", 76 "i64.trunc_sat_f32_u", 0xfc05>, 77 Requires<[HasNontrappingFPToInt]>; 78defm I32_TRUNC_S_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 79 [(set I32:$dst, (fp_to_sint F64:$src))], 80 "i32.trunc_sat_f64_s\t$dst, $src", 81 "i32.trunc_sat_f64_s", 0xfc02>, 82 Requires<[HasNontrappingFPToInt]>; 83defm I32_TRUNC_U_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 84 [(set I32:$dst, (fp_to_uint F64:$src))], 85 "i32.trunc_sat_f64_u\t$dst, $src", 86 "i32.trunc_sat_f64_u", 0xfc03>, 87 Requires<[HasNontrappingFPToInt]>; 88defm I64_TRUNC_S_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 89 [(set I64:$dst, (fp_to_sint F64:$src))], 90 "i64.trunc_sat_f64_s\t$dst, $src", 91 "i64.trunc_sat_f64_s", 0xfc06>, 92 Requires<[HasNontrappingFPToInt]>; 93defm I64_TRUNC_U_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 94 [(set I64:$dst, (fp_to_uint F64:$src))], 95 "i64.trunc_sat_f64_u\t$dst, $src", 96 "i64.trunc_sat_f64_u", 0xfc07>, 97 Requires<[HasNontrappingFPToInt]>; 98 99// Support the explicitly saturating operations as well. 100def : Pat<(fp_to_sint_sat F32:$src, i32), (I32_TRUNC_S_SAT_F32 F32:$src)>; 101def : Pat<(fp_to_uint_sat F32:$src, i32), (I32_TRUNC_U_SAT_F32 F32:$src)>; 102def : Pat<(fp_to_sint_sat F64:$src, i32), (I32_TRUNC_S_SAT_F64 F64:$src)>; 103def : Pat<(fp_to_uint_sat F64:$src, i32), (I32_TRUNC_U_SAT_F64 F64:$src)>; 104def : Pat<(fp_to_sint_sat F32:$src, i64), (I64_TRUNC_S_SAT_F32 F32:$src)>; 105def : Pat<(fp_to_uint_sat F32:$src, i64), (I64_TRUNC_U_SAT_F32 F32:$src)>; 106def : Pat<(fp_to_sint_sat F64:$src, i64), (I64_TRUNC_S_SAT_F64 F64:$src)>; 107def : Pat<(fp_to_uint_sat F64:$src, i64), (I64_TRUNC_U_SAT_F64 F64:$src)>; 108 109// Conversion from floating point to integer pseudo-instructions which don't 110// trap on overflow or invalid. 111let usesCustomInserter = 1, isCodeGenOnly = 1 in { 112defm FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 113 [(set I32:$dst, (fp_to_sint F32:$src))], "", "", 0>, 114 Requires<[NotHasNontrappingFPToInt]>; 115defm FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 116 [(set I32:$dst, (fp_to_uint F32:$src))], "", "", 0>, 117 Requires<[NotHasNontrappingFPToInt]>; 118defm FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 119 [(set I64:$dst, (fp_to_sint F32:$src))], "", "", 0>, 120 Requires<[NotHasNontrappingFPToInt]>; 121defm FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 122 [(set I64:$dst, (fp_to_uint F32:$src))], "", "", 0>, 123 Requires<[NotHasNontrappingFPToInt]>; 124defm FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 125 [(set I32:$dst, (fp_to_sint F64:$src))], "", "", 0>, 126 Requires<[NotHasNontrappingFPToInt]>; 127defm FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 128 [(set I32:$dst, (fp_to_uint F64:$src))], "", "", 0>, 129 Requires<[NotHasNontrappingFPToInt]>; 130defm FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 131 [(set I64:$dst, (fp_to_sint F64:$src))], "", "", 0>, 132 Requires<[NotHasNontrappingFPToInt]>; 133defm FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 134 [(set I64:$dst, (fp_to_uint F64:$src))], "", "", 0>, 135 Requires<[NotHasNontrappingFPToInt]>; 136} // usesCustomInserter, isCodeGenOnly = 1 137 138// Conversion from floating point to integer traps on overflow and invalid. 139let hasSideEffects = 1 in { 140defm I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 141 [], "i32.trunc_f32_s\t$dst, $src", "i32.trunc_f32_s", 142 0xa8>; 143defm I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 144 [], "i32.trunc_f32_u\t$dst, $src", "i32.trunc_f32_u", 145 0xa9>; 146defm I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 147 [], "i64.trunc_f32_s\t$dst, $src", "i64.trunc_f32_s", 148 0xae>; 149defm I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 150 [], "i64.trunc_f32_u\t$dst, $src", "i64.trunc_f32_u", 151 0xaf>; 152defm I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 153 [], "i32.trunc_f64_s\t$dst, $src", "i32.trunc_f64_s", 154 0xaa>; 155defm I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 156 [], "i32.trunc_f64_u\t$dst, $src", "i32.trunc_f64_u", 157 0xab>; 158defm I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 159 [], "i64.trunc_f64_s\t$dst, $src", "i64.trunc_f64_s", 160 0xb0>; 161defm I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 162 [], "i64.trunc_f64_u\t$dst, $src", "i64.trunc_f64_u", 163 0xb1>; 164} // hasSideEffects = 1 165 166def : Pat<(int_wasm_trunc_signed F32:$src), 167 (I32_TRUNC_S_F32 F32:$src)>; 168def : Pat<(int_wasm_trunc_unsigned F32:$src), 169 (I32_TRUNC_U_F32 F32:$src)>; 170def : Pat<(int_wasm_trunc_signed F64:$src), 171 (I32_TRUNC_S_F64 F64:$src)>; 172def : Pat<(int_wasm_trunc_unsigned F64:$src), 173 (I32_TRUNC_U_F64 F64:$src)>; 174def : Pat<(int_wasm_trunc_signed F32:$src), 175 (I64_TRUNC_S_F32 F32:$src)>; 176def : Pat<(int_wasm_trunc_unsigned F32:$src), 177 (I64_TRUNC_U_F32 F32:$src)>; 178def : Pat<(int_wasm_trunc_signed F64:$src), 179 (I64_TRUNC_S_F64 F64:$src)>; 180def : Pat<(int_wasm_trunc_unsigned F64:$src), 181 (I64_TRUNC_U_F64 F64:$src)>; 182 183defm F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 184 [(set F32:$dst, (sint_to_fp I32:$src))], 185 "f32.convert_i32_s\t$dst, $src", "f32.convert_i32_s", 186 0xb2>; 187defm F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 188 [(set F32:$dst, (uint_to_fp I32:$src))], 189 "f32.convert_i32_u\t$dst, $src", "f32.convert_i32_u", 190 0xb3>; 191defm F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins), 192 [(set F64:$dst, (sint_to_fp I32:$src))], 193 "f64.convert_i32_s\t$dst, $src", "f64.convert_i32_s", 194 0xb7>; 195defm F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins), 196 [(set F64:$dst, (uint_to_fp I32:$src))], 197 "f64.convert_i32_u\t$dst, $src", "f64.convert_i32_u", 198 0xb8>; 199defm F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins), 200 [(set F32:$dst, (sint_to_fp I64:$src))], 201 "f32.convert_i64_s\t$dst, $src", "f32.convert_i64_s", 202 0xb4>; 203defm F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins), 204 [(set F32:$dst, (uint_to_fp I64:$src))], 205 "f32.convert_i64_u\t$dst, $src", "f32.convert_i64_u", 206 0xb5>; 207defm F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 208 [(set F64:$dst, (sint_to_fp I64:$src))], 209 "f64.convert_i64_s\t$dst, $src", "f64.convert_i64_s", 210 0xb9>; 211defm F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 212 [(set F64:$dst, (uint_to_fp I64:$src))], 213 "f64.convert_i64_u\t$dst, $src", "f64.convert_i64_u", 214 0xba>; 215 216defm F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), (outs), (ins), 217 [(set F64:$dst, (fpextend F32:$src))], 218 "f64.promote_f32\t$dst, $src", "f64.promote_f32", 219 0xbb>; 220defm F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), (outs), (ins), 221 [(set F32:$dst, (fpround F64:$src))], 222 "f32.demote_f64\t$dst, $src", "f32.demote_f64", 223 0xb6>; 224 225defm I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 226 [(set I32:$dst, (bitconvert F32:$src))], 227 "i32.reinterpret_f32\t$dst, $src", 228 "i32.reinterpret_f32", 0xbc>; 229defm F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 230 [(set F32:$dst, (bitconvert I32:$src))], 231 "f32.reinterpret_i32\t$dst, $src", 232 "f32.reinterpret_i32", 0xbe>; 233defm I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 234 [(set I64:$dst, (bitconvert F64:$src))], 235 "i64.reinterpret_f64\t$dst, $src", 236 "i64.reinterpret_f64", 0xbd>; 237defm F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 238 [(set F64:$dst, (bitconvert I64:$src))], 239 "f64.reinterpret_i64\t$dst, $src", 240 "f64.reinterpret_i64", 0xbf>; 241