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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
use regex::Regex;
use serde_with::{DeserializeFromStr, SerializeDisplay};
use std::str::FromStr;
use std::{fmt, sync::LazyLock};
use crate::{
fn_suffix::SuffixKind,
predicate_forms::PredicationMask,
typekinds::{ToRepr, TypeKind, TypeKindOptions, VectorTupleSize},
};
#[derive(Debug, Clone, PartialEq, Eq, Hash, SerializeDisplay, DeserializeFromStr)]
pub enum Wildcard {
Type(Option<usize>),
/// NEON type derivated by a base type
NEONType(Option<usize>, Option<VectorTupleSize>, Option<SuffixKind>),
/// SVE type derivated by a base type
SVEType(Option<usize>, Option<VectorTupleSize>),
/// Integer representation of bitsize
Size(Option<usize>),
/// Integer representation of bitsize minus one
SizeMinusOne(Option<usize>),
/// Literal representation of the bitsize: b(yte), h(half), w(ord) or d(ouble)
SizeLiteral(Option<usize>),
/// Literal representation of the type kind: f(loat), s(igned), u(nsigned)
TypeKind(Option<usize>, Option<TypeKindOptions>),
/// Log2 of the size in bytes
SizeInBytesLog2(Option<usize>),
/// Predicate to be inferred from the specified type
Predicate(Option<usize>),
/// Predicate to be inferred from the greatest type
MaxPredicate,
Scale(Box<Wildcard>, Box<TypeKind>),
// Other wildcards
LLVMLink,
NVariant,
/// Predicate forms to use and placeholder for a predicate form function name modifier
PredicateForms(PredicationMask),
/// User-set wildcard through `substitutions`
Custom(String),
}
impl Wildcard {
pub fn is_nonpredicate_type(&self) -> bool {
matches!(
self,
Wildcard::Type(..) | Wildcard::NEONType(..) | Wildcard::SVEType(..)
)
}
pub fn get_typeset_index(&self) -> Option<usize> {
match self {
Wildcard::Type(idx) | Wildcard::NEONType(idx, ..) | Wildcard::SVEType(idx, ..) => {
Some(idx.unwrap_or(0))
}
_ => None,
}
}
}
impl FromStr for Wildcard {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
static RE: LazyLock<Regex> = LazyLock::new(|| {
Regex::new(r"^(?P<wildcard>\w+?)(?:_x(?P<tuple_size>[2-4]))?(?:\[(?P<index>\d+)\])?(?:\.(?P<modifiers>\w+))?(?:\s+as\s+(?P<scale_to>.*?))?$").unwrap()
});
if let Some(c) = RE.captures(s) {
let wildcard_name = &c["wildcard"];
let inputset_index = c
.name("index")
.map(<&str>::from)
.map(usize::from_str)
.transpose()
.map_err(|_| format!("{:#?} is not a valid type index", &c["index"]))?;
let tuple_size = c
.name("tuple_size")
.map(<&str>::from)
.map(VectorTupleSize::from_str)
.transpose()
.map_err(|_| format!("{:#?} is not a valid tuple size", &c["tuple_size"]))?;
let modifiers = c.name("modifiers").map(<&str>::from);
let wildcard = match (wildcard_name, inputset_index, tuple_size, modifiers) {
("type", index, None, None) => Ok(Wildcard::Type(index)),
("neon_type", index, tuple, modifier) => {
if let Some(str_suffix) = modifier {
let suffix_kind = SuffixKind::from_str(str_suffix);
return Ok(Wildcard::NEONType(index, tuple, Some(suffix_kind.unwrap())));
} else {
Ok(Wildcard::NEONType(index, tuple, None))
}
}
("sve_type", index, tuple, None) => Ok(Wildcard::SVEType(index, tuple)),
("size", index, None, None) => Ok(Wildcard::Size(index)),
("size_minus_one", index, None, None) => Ok(Wildcard::SizeMinusOne(index)),
("size_literal", index, None, None) => Ok(Wildcard::SizeLiteral(index)),
("type_kind", index, None, modifiers) => Ok(Wildcard::TypeKind(
index,
modifiers.map(|modifiers| modifiers.parse()).transpose()?,
)),
("size_in_bytes_log2", index, None, None) => Ok(Wildcard::SizeInBytesLog2(index)),
("predicate", index, None, None) => Ok(Wildcard::Predicate(index)),
("max_predicate", None, None, None) => Ok(Wildcard::MaxPredicate),
("llvm_link", None, None, None) => Ok(Wildcard::LLVMLink),
("_n", None, None, None) => Ok(Wildcard::NVariant),
(w, None, None, None) if w.starts_with('_') => {
// test for predicate forms
let pf_mask = PredicationMask::from_str(&w[1..]);
if let Ok(mask) = pf_mask {
if mask.has_merging() {
Ok(Wildcard::PredicateForms(mask))
} else {
Err("cannot add predication without a Merging form".to_string())
}
} else {
Err(format!("invalid wildcard `{s:#?}`"))
}
}
(cw, None, None, None) => Ok(Wildcard::Custom(cw.to_string())),
_ => Err(format!("invalid wildcard `{s:#?}`")),
}?;
let scale_to = c
.name("scale_to")
.map(<&str>::from)
.map(TypeKind::from_str)
.transpose()
.map_err(|_| format!("{:#?} is not a valid type", &c["scale_to"]))?;
if let Some(scale_to) = scale_to {
Ok(Wildcard::Scale(Box::new(wildcard), Box::new(scale_to)))
} else {
Ok(wildcard)
}
} else {
Err(format!("## invalid wildcard `{s:#?}`"))
}
}
}
impl fmt::Display for Wildcard {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Type(None) => write!(f, "type"),
Self::Type(Some(index)) => write!(f, "type[{index}]"),
Self::NEONType(None, None, None) => write!(f, "neon_type"),
Self::NEONType(None, None, Some(suffix_kind)) => write!(f, "neon_type.{suffix_kind}"),
Self::NEONType(Some(index), None, None) => write!(f, "neon_type[{index}]"),
Self::NEONType(Some(index), None, Some(suffix_kind)) => {
write!(f, "neon_type[{index}].{suffix_kind}")
}
Self::NEONType(None, Some(tuple_size), Some(suffix_kind)) => {
write!(f, "neon_type_x{tuple_size}.{suffix_kind}")
}
Self::NEONType(None, Some(tuple_size), None) => write!(f, "neon_type_x{tuple_size}"),
Self::NEONType(Some(index), Some(tuple_size), None) => {
write!(f, "neon_type_x{tuple_size}[{index}]")
}
Self::NEONType(Some(index), Some(tuple_size), Some(suffix_kind)) => {
write!(f, "neon_type_x{tuple_size}[{index}].{suffix_kind}")
}
Self::SVEType(None, None) => write!(f, "sve_type"),
Self::SVEType(Some(index), None) => write!(f, "sve_type[{index}]"),
Self::SVEType(None, Some(tuple_size)) => write!(f, "sve_type_x{tuple_size}"),
Self::SVEType(Some(index), Some(tuple_size)) => {
write!(f, "sve_type_x{tuple_size}[{index}]")
}
Self::Size(None) => write!(f, "size"),
Self::Size(Some(index)) => write!(f, "size[{index}]"),
Self::SizeMinusOne(None) => write!(f, "size_minus_one"),
Self::SizeMinusOne(Some(index)) => write!(f, "size_minus_one[{index}]"),
Self::SizeLiteral(None) => write!(f, "size_literal"),
Self::SizeLiteral(Some(index)) => write!(f, "size_literal[{index}]"),
Self::TypeKind(None, None) => write!(f, "type_kind"),
Self::TypeKind(None, Some(opts)) => write!(f, "type_kind.{opts}"),
Self::TypeKind(Some(index), None) => write!(f, "type_kind[{index}]"),
Self::TypeKind(Some(index), Some(opts)) => write!(f, "type_kind[{index}].{opts}"),
Self::SizeInBytesLog2(None) => write!(f, "size_in_bytes_log2"),
Self::SizeInBytesLog2(Some(index)) => write!(f, "size_in_bytes_log2[{index}]"),
Self::Predicate(None) => write!(f, "predicate"),
Self::Predicate(Some(index)) => write!(f, "predicate[{index}]"),
Self::MaxPredicate => write!(f, "max_predicate"),
Self::LLVMLink => write!(f, "llvm_link"),
Self::NVariant => write!(f, "_n"),
Self::PredicateForms(mask) => write!(f, "_{mask}"),
Self::Scale(wildcard, ty) => write!(f, "{wildcard} as {}", ty.rust_repr()),
Self::Custom(cw) => write!(f, "{cw}"),
}
}
}
|
