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 /// \brief WebAssembly datatype conversions, truncations, reinterpretations, 12 /// promotions, and demotions operand code-gen constructs. 13 /// 14 //===----------------------------------------------------------------------===// 15 16 let Defs = [ARGUMENTS] in { 17 18 def I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), 19 [(set I32:$dst, (trunc I64:$src))], 20 "i32.wrap/i64\t$dst, $src">; 21 22 def I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), 23 [(set I64:$dst, (sext I32:$src))], 24 "i64.extend_s/i32\t$dst, $src">; 25 def I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), 26 [(set I64:$dst, (zext I32:$src))], 27 "i64.extend_u/i32\t$dst, $src">; 28 29 } // defs = [ARGUMENTS] 30 31 // Expand a "don't care" extend into zero-extend (chosen over sign-extend 32 // somewhat arbitrarily, although it favors popular hardware architectures 33 // and is conceptually a simpler operation). 34 def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>; 35 36 let Defs = [ARGUMENTS] in { 37 38 // Conversion from floating point to integer traps on overflow and invalid. 39 let hasSideEffects = 1 in { 40 def I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), 41 [(set I32:$dst, (fp_to_sint F32:$src))], 42 "i32.trunc_s/f32\t$dst, $src">; 43 def I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), 44 [(set I32:$dst, (fp_to_uint F32:$src))], 45 "i32.trunc_u/f32\t$dst, $src">; 46 def I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), 47 [(set I64:$dst, (fp_to_sint F32:$src))], 48 "i64.trunc_s/f32\t$dst, $src">; 49 def I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), 50 [(set I64:$dst, (fp_to_uint F32:$src))], 51 "i64.trunc_u/f32\t$dst, $src">; 52 def I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), 53 [(set I32:$dst, (fp_to_sint F64:$src))], 54 "i32.trunc_s/f64\t$dst, $src">; 55 def I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), 56 [(set I32:$dst, (fp_to_uint F64:$src))], 57 "i32.trunc_u/f64\t$dst, $src">; 58 def I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), 59 [(set I64:$dst, (fp_to_sint F64:$src))], 60 "i64.trunc_s/f64\t$dst, $src">; 61 def I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), 62 [(set I64:$dst, (fp_to_uint F64:$src))], 63 "i64.trunc_u/f64\t$dst, $src">; 64 } // hasSideEffects = 1 65 66 def F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), 67 [(set F32:$dst, (sint_to_fp I32:$src))], 68 "f32.convert_s/i32\t$dst, $src">; 69 def F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), 70 [(set F32:$dst, (uint_to_fp I32:$src))], 71 "f32.convert_u/i32\t$dst, $src">; 72 def F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), 73 [(set F64:$dst, (sint_to_fp I32:$src))], 74 "f64.convert_s/i32\t$dst, $src">; 75 def F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), 76 [(set F64:$dst, (uint_to_fp I32:$src))], 77 "f64.convert_u/i32\t$dst, $src">; 78 def F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), 79 [(set F32:$dst, (sint_to_fp I64:$src))], 80 "f32.convert_s/i64\t$dst, $src">; 81 def F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), 82 [(set F32:$dst, (uint_to_fp I64:$src))], 83 "f32.convert_u/i64\t$dst, $src">; 84 def F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), 85 [(set F64:$dst, (sint_to_fp I64:$src))], 86 "f64.convert_s/i64\t$dst, $src">; 87 def F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), 88 [(set F64:$dst, (uint_to_fp I64:$src))], 89 "f64.convert_u/i64\t$dst, $src">; 90 91 def F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), 92 [(set F64:$dst, (fextend F32:$src))], 93 "f64.promote/f32\t$dst, $src">; 94 def F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), 95 [(set F32:$dst, (fround F64:$src))], 96 "f32.demote/f64\t$dst, $src">; 97 98 def I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), 99 [(set I32:$dst, (bitconvert F32:$src))], 100 "i32.reinterpret/f32\t$dst, $src">; 101 def F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), 102 [(set F32:$dst, (bitconvert I32:$src))], 103 "f32.reinterpret/i32\t$dst, $src">; 104 def I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), 105 [(set I64:$dst, (bitconvert F64:$src))], 106 "i64.reinterpret/f64\t$dst, $src">; 107 def F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), 108 [(set F64:$dst, (bitconvert I64:$src))], 109 "f64.reinterpret/i64\t$dst, $src">; 110 111 } // Defs = [ARGUMENTS] 112
