WebAssemblyInstrConv.td revision 344779
1//===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-= 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9/// 10/// \file 11/// WebAssembly datatype conversions, truncations, reinterpretations, 12/// promotions, and demotions operand code-gen constructs. 13/// 14//===----------------------------------------------------------------------===// 15 16defm I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins), 17 [(set I32:$dst, (trunc I64:$src))], 18 "i32.wrap_i64\t$dst, $src", "i32.wrap_i64", 0xa7>; 19 20defm I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins), 21 [(set I64:$dst, (sext I32:$src))], 22 "i64.extend_i32_s\t$dst, $src", "i64.extend_i32_s", 23 0xac>; 24defm I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins), 25 [(set I64:$dst, (zext I32:$src))], 26 "i64.extend_i32_u\t$dst, $src", "i64.extend_i32_u", 27 0xad>; 28 29let Predicates = [HasSignExt] in { 30defm I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 31 [(set I32:$dst, (sext_inreg I32:$src, i8))], 32 "i32.extend8_s\t$dst, $src", "i32.extend8_s", 33 0xc0>; 34defm I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 35 [(set I32:$dst, (sext_inreg I32:$src, i16))], 36 "i32.extend16_s\t$dst, $src", "i32.extend16_s", 37 0xc1>; 38defm I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 39 [(set I64:$dst, (sext_inreg I64:$src, i8))], 40 "i64.extend8_s\t$dst, $src", "i64.extend8_s", 41 0xc2>; 42defm I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 43 [(set I64:$dst, (sext_inreg I64:$src, i16))], 44 "i64.extend16_s\t$dst, $src", "i64.extend16_s", 45 0xc3>; 46defm I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 47 [(set I64:$dst, (sext_inreg I64:$src, i32))], 48 "i64.extend32_s\t$dst, $src", "i64.extend32_s", 49 0xc4>; 50} // Predicates = [HasSignExt] 51 52// Expand a "don't care" extend into zero-extend (chosen over sign-extend 53// somewhat arbitrarily, although it favors popular hardware architectures 54// and is conceptually a simpler operation). 55def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>; 56 57// Conversion from floating point to integer instructions which don't trap on 58// overflow or invalid. 59defm I32_TRUNC_S_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 60 [(set I32:$dst, (fp_to_sint F32:$src))], 61 "i32.trunc_sat_f32_s\t$dst, $src", 62 "i32.trunc_sat_f32_s", 0xfc00>, 63 Requires<[HasNontrappingFPToInt]>; 64defm I32_TRUNC_U_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 65 [(set I32:$dst, (fp_to_uint F32:$src))], 66 "i32.trunc_sat_f32_u\t$dst, $src", 67 "i32.trunc_sat_f32_u", 0xfc01>, 68 Requires<[HasNontrappingFPToInt]>; 69defm I64_TRUNC_S_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 70 [(set I64:$dst, (fp_to_sint F32:$src))], 71 "i64.trunc_sat_f32_s\t$dst, $src", 72 "i64.trunc_sat_f32_s", 0xfc04>, 73 Requires<[HasNontrappingFPToInt]>; 74defm I64_TRUNC_U_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 75 [(set I64:$dst, (fp_to_uint F32:$src))], 76 "i64.trunc_sat_f32_u\t$dst, $src", 77 "i64.trunc_sat_f32_u", 0xfc05>, 78 Requires<[HasNontrappingFPToInt]>; 79defm I32_TRUNC_S_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 80 [(set I32:$dst, (fp_to_sint F64:$src))], 81 "i32.trunc_sat_f64_s\t$dst, $src", 82 "i32.trunc_sat_f64_s", 0xfc02>, 83 Requires<[HasNontrappingFPToInt]>; 84defm I32_TRUNC_U_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 85 [(set I32:$dst, (fp_to_uint F64:$src))], 86 "i32.trunc_sat_f64_u\t$dst, $src", 87 "i32.trunc_sat_f64_u", 0xfc03>, 88 Requires<[HasNontrappingFPToInt]>; 89defm I64_TRUNC_S_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 90 [(set I64:$dst, (fp_to_sint F64:$src))], 91 "i64.trunc_sat_f64_s\t$dst, $src", 92 "i64.trunc_sat_f64_s", 0xfc06>, 93 Requires<[HasNontrappingFPToInt]>; 94defm I64_TRUNC_U_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 95 [(set I64:$dst, (fp_to_uint F64:$src))], 96 "i64.trunc_sat_f64_u\t$dst, $src", 97 "i64.trunc_sat_f64_u", 0xfc07>, 98 Requires<[HasNontrappingFPToInt]>; 99 100// Lower llvm.wasm.trunc.saturate.* to saturating instructions 101def : Pat<(int_wasm_trunc_saturate_signed F32:$src), 102 (I32_TRUNC_S_SAT_F32 F32:$src)>; 103def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src), 104 (I32_TRUNC_U_SAT_F32 F32:$src)>; 105def : Pat<(int_wasm_trunc_saturate_signed F64:$src), 106 (I32_TRUNC_S_SAT_F64 F64:$src)>; 107def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src), 108 (I32_TRUNC_U_SAT_F64 F64:$src)>; 109def : Pat<(int_wasm_trunc_saturate_signed F32:$src), 110 (I64_TRUNC_S_SAT_F32 F32:$src)>; 111def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src), 112 (I64_TRUNC_U_SAT_F32 F32:$src)>; 113def : Pat<(int_wasm_trunc_saturate_signed F64:$src), 114 (I64_TRUNC_S_SAT_F64 F64:$src)>; 115def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src), 116 (I64_TRUNC_U_SAT_F64 F64:$src)>; 117 118// Conversion from floating point to integer pseudo-instructions which don't 119// trap on overflow or invalid. 120let usesCustomInserter = 1, isCodeGenOnly = 1 in { 121defm FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 122 [(set I32:$dst, (fp_to_sint F32:$src))], "", "", 0>, 123 Requires<[NotHasNontrappingFPToInt]>; 124defm FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 125 [(set I32:$dst, (fp_to_uint F32:$src))], "", "", 0>, 126 Requires<[NotHasNontrappingFPToInt]>; 127defm FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 128 [(set I64:$dst, (fp_to_sint F32:$src))], "", "", 0>, 129 Requires<[NotHasNontrappingFPToInt]>; 130defm FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 131 [(set I64:$dst, (fp_to_uint F32:$src))], "", "", 0>, 132 Requires<[NotHasNontrappingFPToInt]>; 133defm FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 134 [(set I32:$dst, (fp_to_sint F64:$src))], "", "", 0>, 135 Requires<[NotHasNontrappingFPToInt]>; 136defm FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 137 [(set I32:$dst, (fp_to_uint F64:$src))], "", "", 0>, 138 Requires<[NotHasNontrappingFPToInt]>; 139defm FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 140 [(set I64:$dst, (fp_to_sint F64:$src))], "", "", 0>, 141 Requires<[NotHasNontrappingFPToInt]>; 142defm FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 143 [(set I64:$dst, (fp_to_uint F64:$src))], "", "", 0>, 144 Requires<[NotHasNontrappingFPToInt]>; 145} // usesCustomInserter, isCodeGenOnly = 1 146 147// Conversion from floating point to integer traps on overflow and invalid. 148let hasSideEffects = 1 in { 149defm I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 150 [], "i32.trunc_f32_s\t$dst, $src", "i32.trunc_f32_s", 151 0xa8>; 152defm I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 153 [], "i32.trunc_f32_u\t$dst, $src", "i32.trunc_f32_u", 154 0xa9>; 155defm I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 156 [], "i64.trunc_f32_s\t$dst, $src", "i64.trunc_f32_s", 157 0xae>; 158defm I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins), 159 [], "i64.trunc_f32_u\t$dst, $src", "i64.trunc_f32_u", 160 0xaf>; 161defm I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 162 [], "i32.trunc_f64_s\t$dst, $src", "i32.trunc_f64_s", 163 0xaa>; 164defm I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins), 165 [], "i32.trunc_f64_u\t$dst, $src", "i32.trunc_f64_u", 166 0xab>; 167defm I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 168 [], "i64.trunc_f64_s\t$dst, $src", "i64.trunc_f64_s", 169 0xb0>; 170defm I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 171 [], "i64.trunc_f64_u\t$dst, $src", "i64.trunc_f64_u", 172 0xb1>; 173} // hasSideEffects = 1 174 175defm F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 176 [(set F32:$dst, (sint_to_fp I32:$src))], 177 "f32.convert_i32_s\t$dst, $src", "f32.convert_i32_s", 178 0xb2>; 179defm F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 180 [(set F32:$dst, (uint_to_fp I32:$src))], 181 "f32.convert_i32_u\t$dst, $src", "f32.convert_i32_u", 182 0xb3>; 183defm F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins), 184 [(set F64:$dst, (sint_to_fp I32:$src))], 185 "f64.convert_i32_s\t$dst, $src", "f64.convert_i32_s", 186 0xb7>; 187defm F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins), 188 [(set F64:$dst, (uint_to_fp I32:$src))], 189 "f64.convert_i32_u\t$dst, $src", "f64.convert_i32_u", 190 0xb8>; 191defm F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins), 192 [(set F32:$dst, (sint_to_fp I64:$src))], 193 "f32.convert_i64_s\t$dst, $src", "f32.convert_i64_s", 194 0xb4>; 195defm F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins), 196 [(set F32:$dst, (uint_to_fp I64:$src))], 197 "f32.convert_i64_u\t$dst, $src", "f32.convert_i64_u", 198 0xb5>; 199defm F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 200 [(set F64:$dst, (sint_to_fp I64:$src))], 201 "f64.convert_i64_s\t$dst, $src", "f64.convert_i64_s", 202 0xb9>; 203defm F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 204 [(set F64:$dst, (uint_to_fp I64:$src))], 205 "f64.convert_i64_u\t$dst, $src", "f64.convert_i64_u", 206 0xba>; 207 208defm F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), (outs), (ins), 209 [(set F64:$dst, (fpextend F32:$src))], 210 "f64.promote_f32\t$dst, $src", "f64.promote_f32", 211 0xbb>; 212defm F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), (outs), (ins), 213 [(set F32:$dst, (fpround F64:$src))], 214 "f32.demote_f64\t$dst, $src", "f32.demote_f64", 215 0xb6>; 216 217defm I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins), 218 [(set I32:$dst, (bitconvert F32:$src))], 219 "i32.reinterpret_f32\t$dst, $src", 220 "i32.reinterpret_f32", 0xbc>; 221defm F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins), 222 [(set F32:$dst, (bitconvert I32:$src))], 223 "f32.reinterpret_i32\t$dst, $src", 224 "f32.reinterpret_i32", 0xbe>; 225defm I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins), 226 [(set I64:$dst, (bitconvert F64:$src))], 227 "i64.reinterpret_f64\t$dst, $src", 228 "i64.reinterpret_f64", 0xbd>; 229defm F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins), 230 [(set F64:$dst, (bitconvert I64:$src))], 231 "f64.reinterpret_i64\t$dst, $src", 232 "f64.reinterpret_i64", 0xbf>; 233