1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
// WebAssemblyInstrMemory.td-WebAssembly Memory codegen support -*- tablegen -*-
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief WebAssembly Memory operand code-gen constructs.
///
//===----------------------------------------------------------------------===//
// FIXME:
// - HasAddr64
// - WebAssemblyTargetLowering::isLegalAddressingMode
// - WebAssemblyTargetLowering having to do with atomics
// - Each has optional alignment and immediate byte offset.
// WebAssembly has i8/i16/i32/i64/f32/f64 memory types, but doesn't have i8/i16
// local types. These memory-only types instead zero- or sign-extend into local
// types when loading, and truncate when storing.
// Basic load.
def LOAD_I32 : I<(outs I32:$dst), (ins I32:$addr),
[(set I32:$dst, (load I32:$addr))]>;
def LOAD_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (load I32:$addr))]>;
def LOAD_F32 : I<(outs F32:$dst), (ins I32:$addr),
[(set F32:$dst, (load I32:$addr))]>;
def LOAD_F64 : I<(outs F64:$dst), (ins I32:$addr),
[(set F64:$dst, (load I32:$addr))]>;
// Extending load.
def LOAD8_S_I32 : I<(outs I32:$dst), (ins I32:$addr),
[(set I32:$dst, (sextloadi8 I32:$addr))]>;
def LOAD8_U_I32 : I<(outs I32:$dst), (ins I32:$addr),
[(set I32:$dst, (zextloadi8 I32:$addr))]>;
def LOAD16_S_I32 : I<(outs I32:$dst), (ins I32:$addr),
[(set I32:$dst, (sextloadi16 I32:$addr))]>;
def LOAD16_U_I32 : I<(outs I32:$dst), (ins I32:$addr),
[(set I32:$dst, (zextloadi16 I32:$addr))]>;
def LOAD8_S_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (sextloadi8 I32:$addr))]>;
def LOAD8_U_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (zextloadi8 I32:$addr))]>;
def LOAD16_S_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (sextloadi16 I32:$addr))]>;
def LOAD16_U_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (zextloadi16 I32:$addr))]>;
def LOAD32_S_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (sextloadi32 I32:$addr))]>;
def LOAD32_U_I64 : I<(outs I64:$dst), (ins I32:$addr),
[(set I64:$dst, (zextloadi32 I32:$addr))]>;
// "Don't care" extending load become zero-extending load.
def : Pat<(i32 (extloadi8 I32:$addr)), (LOAD8_U_I32 $addr)>;
def : Pat<(i32 (extloadi16 I32:$addr)), (LOAD16_U_I32 $addr)>;
def : Pat<(i64 (extloadi8 I32:$addr)), (LOAD8_U_I64 $addr)>;
def : Pat<(i64 (extloadi16 I32:$addr)), (LOAD16_U_I64 $addr)>;
def : Pat<(i64 (extloadi32 I32:$addr)), (LOAD32_U_I64 $addr)>;
// Basic store.
// Note: WebAssembly inverts SelectionDAG's usual operand order.
def STORE_I32 : I<(outs), (ins I32:$addr, I32:$val),
[(store i32:$val, I32:$addr)]>;
def STORE_I64 : I<(outs), (ins I32:$addr, I64:$val),
[(store i64:$val, I32:$addr)]>;
def STORE_F32 : I<(outs), (ins I32:$addr, F32:$val),
[(store f32:$val, I32:$addr)]>;
def STORE_F64 : I<(outs), (ins I32:$addr, F64:$val),
[(store f64:$val, I32:$addr)]>;
// Truncating store.
def STORE8_I32 : I<(outs), (ins I32:$addr, I32:$val),
[(truncstorei8 I32:$val, I32:$addr)]>;
def STORE16_I32 : I<(outs), (ins I32:$addr, I32:$val),
[(truncstorei16 I32:$val, I32:$addr)]>;
def STORE8_I64 : I<(outs), (ins I32:$addr, I64:$val),
[(truncstorei8 I64:$val, I32:$addr)]>;
def STORE16_I64 : I<(outs), (ins I32:$addr, I64:$val),
[(truncstorei16 I64:$val, I32:$addr)]>;
def STORE32_I64 : I<(outs), (ins I32:$addr, I64:$val),
[(truncstorei32 I64:$val, I32:$addr)]>;
// Page size.
def page_size_I32 : I<(outs I32:$dst), (ins),
[(set I32:$dst, (int_wasm_page_size))]>,
Requires<[HasAddr32]>;
def page_size_I64 : I<(outs I64:$dst), (ins),
[(set I64:$dst, (int_wasm_page_size))]>,
Requires<[HasAddr64]>;
// Memory size.
def memory_size_I32 : I<(outs I32:$dst), (ins),
[(set I32:$dst, (int_wasm_memory_size))]>,
Requires<[HasAddr32]>;
def memory_size_I64 : I<(outs I64:$dst), (ins),
[(set I64:$dst, (int_wasm_memory_size))]>,
Requires<[HasAddr64]>;
// Resize memory.
def resize_memory_I32 : I<(outs), (ins I32:$delta),
[(int_wasm_resize_memory I32:$delta)]>,
Requires<[HasAddr32]>;
def resize_memory_I64 : I<(outs), (ins I64:$delta),
[(int_wasm_resize_memory I64:$delta)]>,
Requires<[HasAddr64]>;
|
