1 //===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-=
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief WebAssembly datatype conversions, truncations, reinterpretations,
12 /// promotions, and demotions operand code-gen constructs.
14 //===----------------------------------------------------------------------===//
16 let Defs = [ARGUMENTS] in {
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, $src", 0xa7>;
22 def I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src),
23 [(set I64:$dst, (sext I32:$src))],
24 "i64.extend_s/i32\t$dst, $src", 0xac>;
25 def I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src),
26 [(set I64:$dst, (zext I32:$src))],
27 "i64.extend_u/i32\t$dst, $src", 0xad>;
29 let Predicates = [HasAtomics] in {
30 def I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src),
31 [(set I32:$dst, (sext_inreg I32:$src, i8))],
32 "i32.extend8_s\t$dst, $src", 0xc0>;
33 def I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src),
34 [(set I32:$dst, (sext_inreg I32:$src, i16))],
35 "i32.extend16_s\t$dst, $src", 0xc1>;
36 def I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src),
37 [(set I64:$dst, (sext_inreg I64:$src, i8))],
38 "i64.extend8_s\t$dst, $src", 0xc2>;
39 def I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src),
40 [(set I64:$dst, (sext_inreg I64:$src, i16))],
41 "i64.extend16_s\t$dst, $src", 0xc3>;
42 def I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src),
43 [(set I64:$dst, (sext_inreg I64:$src, i32))],
44 "i64.extend32_s\t$dst, $src", 0xc4>;
45 } // Predicates = [HasAtomics]
47 } // defs = [ARGUMENTS]
49 // Expand a "don't care" extend into zero-extend (chosen over sign-extend
50 // somewhat arbitrarily, although it favors popular hardware architectures
51 // and is conceptually a simpler operation).
52 def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>;
54 let Defs = [ARGUMENTS] in {
56 // Conversion from floating point to integer instructions which don't trap on
57 // overflow or invalid.
58 def I32_TRUNC_S_SAT_F32 : I<(outs I32:$dst), (ins F32:$src),
59 [(set I32:$dst, (fp_to_sint F32:$src))],
60 "i32.trunc_s:sat/f32\t$dst, $src", 0xfc00>,
61 Requires<[HasNontrappingFPToInt]>;
62 def I32_TRUNC_U_SAT_F32 : I<(outs I32:$dst), (ins F32:$src),
63 [(set I32:$dst, (fp_to_uint F32:$src))],
64 "i32.trunc_u:sat/f32\t$dst, $src", 0xfc01>,
65 Requires<[HasNontrappingFPToInt]>;
66 def I64_TRUNC_S_SAT_F32 : I<(outs I64:$dst), (ins F32:$src),
67 [(set I64:$dst, (fp_to_sint F32:$src))],
68 "i64.trunc_s:sat/f32\t$dst, $src", 0xfc04>,
69 Requires<[HasNontrappingFPToInt]>;
70 def I64_TRUNC_U_SAT_F32 : I<(outs I64:$dst), (ins F32:$src),
71 [(set I64:$dst, (fp_to_uint F32:$src))],
72 "i64.trunc_u:sat/f32\t$dst, $src", 0xfc05>,
73 Requires<[HasNontrappingFPToInt]>;
74 def I32_TRUNC_S_SAT_F64 : I<(outs I32:$dst), (ins F64:$src),
75 [(set I32:$dst, (fp_to_sint F64:$src))],
76 "i32.trunc_s:sat/f64\t$dst, $src", 0xfc02>,
77 Requires<[HasNontrappingFPToInt]>;
78 def I32_TRUNC_U_SAT_F64 : I<(outs I32:$dst), (ins F64:$src),
79 [(set I32:$dst, (fp_to_uint F64:$src))],
80 "i32.trunc_u:sat/f64\t$dst, $src", 0xfc03>,
81 Requires<[HasNontrappingFPToInt]>;
82 def I64_TRUNC_S_SAT_F64 : I<(outs I64:$dst), (ins F64:$src),
83 [(set I64:$dst, (fp_to_sint F64:$src))],
84 "i64.trunc_s:sat/f64\t$dst, $src", 0xfc06>,
85 Requires<[HasNontrappingFPToInt]>;
86 def I64_TRUNC_U_SAT_F64 : I<(outs I64:$dst), (ins F64:$src),
87 [(set I64:$dst, (fp_to_uint F64:$src))],
88 "i64.trunc_u:sat/f64\t$dst, $src", 0xfc07>,
89 Requires<[HasNontrappingFPToInt]>;
91 // Conversion from floating point to integer pseudo-instructions which don't
92 // trap on overflow or invalid.
93 let usesCustomInserter = 1, isCodeGenOnly = 1 in {
94 def FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src),
95 [(set I32:$dst, (fp_to_sint F32:$src))], "", 0>,
96 Requires<[NotHasNontrappingFPToInt]>;
97 def FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src),
98 [(set I32:$dst, (fp_to_uint F32:$src))], "", 0>,
99 Requires<[NotHasNontrappingFPToInt]>;
100 def FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src),
101 [(set I64:$dst, (fp_to_sint F32:$src))], "", 0>,
102 Requires<[NotHasNontrappingFPToInt]>;
103 def FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src),
104 [(set I64:$dst, (fp_to_uint F32:$src))], "", 0>,
105 Requires<[NotHasNontrappingFPToInt]>;
106 def FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src),
107 [(set I32:$dst, (fp_to_sint F64:$src))], "", 0>,
108 Requires<[NotHasNontrappingFPToInt]>;
109 def FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src),
110 [(set I32:$dst, (fp_to_uint F64:$src))], "", 0>,
111 Requires<[NotHasNontrappingFPToInt]>;
112 def FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src),
113 [(set I64:$dst, (fp_to_sint F64:$src))], "", 0>,
114 Requires<[NotHasNontrappingFPToInt]>;
115 def FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src),
116 [(set I64:$dst, (fp_to_uint F64:$src))], "", 0>,
117 Requires<[NotHasNontrappingFPToInt]>;
118 } // usesCustomInserter, isCodeGenOnly = 1
120 // Conversion from floating point to integer traps on overflow and invalid.
121 let hasSideEffects = 1 in {
122 def I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src),
123 [], "i32.trunc_s/f32\t$dst, $src", 0xa8>;
124 def I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src),
125 [], "i32.trunc_u/f32\t$dst, $src", 0xa9>;
126 def I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src),
127 [], "i64.trunc_s/f32\t$dst, $src", 0xae>;
128 def I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src),
129 [], "i64.trunc_u/f32\t$dst, $src", 0xaf>;
130 def I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src),
131 [], "i32.trunc_s/f64\t$dst, $src", 0xaa>;
132 def I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src),
133 [], "i32.trunc_u/f64\t$dst, $src", 0xab>;
134 def I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src),
135 [], "i64.trunc_s/f64\t$dst, $src", 0xb0>;
136 def I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src),
137 [], "i64.trunc_u/f64\t$dst, $src", 0xb1>;
138 } // hasSideEffects = 1
140 def F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src),
141 [(set F32:$dst, (sint_to_fp I32:$src))],
142 "f32.convert_s/i32\t$dst, $src", 0xb2>;
143 def F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src),
144 [(set F32:$dst, (uint_to_fp I32:$src))],
145 "f32.convert_u/i32\t$dst, $src", 0xb3>;
146 def F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src),
147 [(set F64:$dst, (sint_to_fp I32:$src))],
148 "f64.convert_s/i32\t$dst, $src", 0xb7>;
149 def F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src),
150 [(set F64:$dst, (uint_to_fp I32:$src))],
151 "f64.convert_u/i32\t$dst, $src", 0xb8>;
152 def F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src),
153 [(set F32:$dst, (sint_to_fp I64:$src))],
154 "f32.convert_s/i64\t$dst, $src", 0xb4>;
155 def F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src),
156 [(set F32:$dst, (uint_to_fp I64:$src))],
157 "f32.convert_u/i64\t$dst, $src", 0xb5>;
158 def F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src),
159 [(set F64:$dst, (sint_to_fp I64:$src))],
160 "f64.convert_s/i64\t$dst, $src", 0xb9>;
161 def F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src),
162 [(set F64:$dst, (uint_to_fp I64:$src))],
163 "f64.convert_u/i64\t$dst, $src", 0xba>;
165 def F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src),
166 [(set F64:$dst, (fpextend F32:$src))],
167 "f64.promote/f32\t$dst, $src", 0xbb>;
168 def F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src),
169 [(set F32:$dst, (fpround F64:$src))],
170 "f32.demote/f64\t$dst, $src", 0xb6>;
172 def I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src),
173 [(set I32:$dst, (bitconvert F32:$src))],
174 "i32.reinterpret/f32\t$dst, $src", 0xbc>;
175 def F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src),
176 [(set F32:$dst, (bitconvert I32:$src))],
177 "f32.reinterpret/i32\t$dst, $src", 0xbe>;
178 def I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src),
179 [(set I64:$dst, (bitconvert F64:$src))],
180 "i64.reinterpret/f64\t$dst, $src", 0xbd>;
181 def F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src),
182 [(set F64:$dst, (bitconvert I64:$src))],
183 "f64.reinterpret/i64\t$dst, $src", 0xbf>;
185 } // Defs = [ARGUMENTS]