xref: /freebsd/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyInstrConv.td (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71) 
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, $src",
96                             "i64.trunc_sat_f64_u", 0xfc07>,
97                             Requires<[HasNontrappingFPToInt]>;
98
99// Lower llvm.wasm.trunc.saturate.* to saturating instructions
100def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
101          (I32_TRUNC_S_SAT_F32 F32:$src)>;
102def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
103          (I32_TRUNC_U_SAT_F32 F32:$src)>;
104def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
105          (I32_TRUNC_S_SAT_F64 F64:$src)>;
106def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
107          (I32_TRUNC_U_SAT_F64 F64:$src)>;
108def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
109          (I64_TRUNC_S_SAT_F32 F32:$src)>;
110def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
111          (I64_TRUNC_U_SAT_F32 F32:$src)>;
112def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
113          (I64_TRUNC_S_SAT_F64 F64:$src)>;
114def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
115          (I64_TRUNC_U_SAT_F64 F64:$src)>;
116
117// Conversion from floating point to integer pseudo-instructions which don't
118// trap on overflow or invalid.
119let usesCustomInserter = 1, isCodeGenOnly = 1 in {
120defm FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
121                            [(set I32:$dst, (fp_to_sint F32:$src))], "", "", 0>,
122                            Requires<[NotHasNontrappingFPToInt]>;
123defm FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
124                            [(set I32:$dst, (fp_to_uint F32:$src))], "", "", 0>,
125                            Requires<[NotHasNontrappingFPToInt]>;
126defm FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
127                            [(set I64:$dst, (fp_to_sint F32:$src))], "", "", 0>,
128                            Requires<[NotHasNontrappingFPToInt]>;
129defm FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
130                            [(set I64:$dst, (fp_to_uint F32:$src))], "", "", 0>,
131                            Requires<[NotHasNontrappingFPToInt]>;
132defm FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
133                            [(set I32:$dst, (fp_to_sint F64:$src))], "", "", 0>,
134                            Requires<[NotHasNontrappingFPToInt]>;
135defm FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
136                            [(set I32:$dst, (fp_to_uint F64:$src))], "", "", 0>,
137                            Requires<[NotHasNontrappingFPToInt]>;
138defm FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
139                            [(set I64:$dst, (fp_to_sint F64:$src))], "", "", 0>,
140                            Requires<[NotHasNontrappingFPToInt]>;
141defm FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
142                            [(set I64:$dst, (fp_to_uint F64:$src))], "", "", 0>,
143                            Requires<[NotHasNontrappingFPToInt]>;
144} // usesCustomInserter, isCodeGenOnly = 1
145
146// Conversion from floating point to integer traps on overflow and invalid.
147let hasSideEffects = 1 in {
148defm I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
149                         [], "i32.trunc_f32_s\t$dst, $src", "i32.trunc_f32_s",
150                         0xa8>;
151defm I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
152                         [], "i32.trunc_f32_u\t$dst, $src", "i32.trunc_f32_u",
153                         0xa9>;
154defm I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
155                         [], "i64.trunc_f32_s\t$dst, $src", "i64.trunc_f32_s",
156                         0xae>;
157defm I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
158                         [], "i64.trunc_f32_u\t$dst, $src", "i64.trunc_f32_u",
159                         0xaf>;
160defm I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
161                         [], "i32.trunc_f64_s\t$dst, $src", "i32.trunc_f64_s",
162                         0xaa>;
163defm I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
164                         [], "i32.trunc_f64_u\t$dst, $src", "i32.trunc_f64_u",
165                         0xab>;
166defm I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
167                         [], "i64.trunc_f64_s\t$dst, $src", "i64.trunc_f64_s",
168                         0xb0>;
169defm I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
170                         [], "i64.trunc_f64_u\t$dst, $src", "i64.trunc_f64_u",
171                         0xb1>;
172} // hasSideEffects = 1
173
174def : Pat<(int_wasm_trunc_signed F32:$src),
175          (I32_TRUNC_S_F32 F32:$src)>;
176def : Pat<(int_wasm_trunc_unsigned F32:$src),
177          (I32_TRUNC_U_F32 F32:$src)>;
178def : Pat<(int_wasm_trunc_signed F64:$src),
179          (I32_TRUNC_S_F64 F64:$src)>;
180def : Pat<(int_wasm_trunc_unsigned F64:$src),
181          (I32_TRUNC_U_F64 F64:$src)>;
182def : Pat<(int_wasm_trunc_signed F32:$src),
183          (I64_TRUNC_S_F32 F32:$src)>;
184def : Pat<(int_wasm_trunc_unsigned F32:$src),
185          (I64_TRUNC_U_F32 F32:$src)>;
186def : Pat<(int_wasm_trunc_signed F64:$src),
187          (I64_TRUNC_S_F64 F64:$src)>;
188def : Pat<(int_wasm_trunc_unsigned F64:$src),
189          (I64_TRUNC_U_F64 F64:$src)>;
190
191defm F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
192                           [(set F32:$dst, (sint_to_fp I32:$src))],
193                           "f32.convert_i32_s\t$dst, $src", "f32.convert_i32_s",
194                           0xb2>;
195defm F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
196                           [(set F32:$dst, (uint_to_fp I32:$src))],
197                           "f32.convert_i32_u\t$dst, $src", "f32.convert_i32_u",
198                           0xb3>;
199defm F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
200                           [(set F64:$dst, (sint_to_fp I32:$src))],
201                           "f64.convert_i32_s\t$dst, $src", "f64.convert_i32_s",
202                           0xb7>;
203defm F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
204                           [(set F64:$dst, (uint_to_fp I32:$src))],
205                           "f64.convert_i32_u\t$dst, $src", "f64.convert_i32_u",
206                           0xb8>;
207defm F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
208                           [(set F32:$dst, (sint_to_fp I64:$src))],
209                           "f32.convert_i64_s\t$dst, $src", "f32.convert_i64_s",
210                           0xb4>;
211defm F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
212                           [(set F32:$dst, (uint_to_fp I64:$src))],
213                           "f32.convert_i64_u\t$dst, $src", "f32.convert_i64_u",
214                           0xb5>;
215defm F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
216                           [(set F64:$dst, (sint_to_fp I64:$src))],
217                           "f64.convert_i64_s\t$dst, $src", "f64.convert_i64_s",
218                           0xb9>;
219defm F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
220                           [(set F64:$dst, (uint_to_fp I64:$src))],
221                           "f64.convert_i64_u\t$dst, $src", "f64.convert_i64_u",
222                           0xba>;
223
224defm F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), (outs), (ins),
225                         [(set F64:$dst, (fpextend F32:$src))],
226                         "f64.promote_f32\t$dst, $src", "f64.promote_f32",
227                         0xbb>;
228defm F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), (outs), (ins),
229                        [(set F32:$dst, (fpround F64:$src))],
230                        "f32.demote_f64\t$dst, $src", "f32.demote_f64",
231                        0xb6>;
232
233defm I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
234                             [(set I32:$dst, (bitconvert F32:$src))],
235                             "i32.reinterpret_f32\t$dst, $src",
236                             "i32.reinterpret_f32", 0xbc>;
237defm F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
238                             [(set F32:$dst, (bitconvert I32:$src))],
239                             "f32.reinterpret_i32\t$dst, $src",
240                             "f32.reinterpret_i32", 0xbe>;
241defm I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
242                             [(set I64:$dst, (bitconvert F64:$src))],
243                             "i64.reinterpret_f64\t$dst, $src",
244                             "i64.reinterpret_f64", 0xbd>;
245defm F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
246                             [(set F64:$dst, (bitconvert I64:$src))],
247                             "f64.reinterpret_i64\t$dst, $src",
248                             "f64.reinterpret_i64", 0xbf>;
249