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