1 use crate::cdsl::isa::TargetIsa;
2 use crate::cdsl::settings::SettingGroupBuilder;
3
define() -> TargetIsa4 pub(crate) fn define() -> TargetIsa {
5 let mut settings = SettingGroupBuilder::new("arm64");
6
7 settings.add_bool(
8 "has_lse",
9 "Has Large System Extensions (FEAT_LSE) support.",
10 "",
11 false,
12 );
13 settings.add_bool(
14 "has_pauth",
15 "Has Pointer authentication (FEAT_PAuth) support; enables the use of \
16 non-HINT instructions, but does not have an effect on code generation \
17 by itself.",
18 "",
19 false,
20 );
21 settings.add_bool(
22 "has_fp16",
23 "Use half-precision floating point (FEAT_FP16) instructions.",
24 "",
25 false,
26 );
27 settings.add_bool(
28 "sign_return_address_all",
29 "If function return address signing is enabled, then apply it to all \
30 functions; does not have an effect on code generation by itself.",
31 "",
32 false,
33 );
34 settings.add_bool(
35 "sign_return_address",
36 "Use pointer authentication instructions to sign function return \
37 addresses; HINT-space instructions using the A key are generated \
38 and simple functions that do not use the stack are not affected \
39 unless overridden by other settings.",
40 "",
41 false,
42 );
43 settings.add_bool(
44 "sign_return_address_with_bkey",
45 "Use the B key with pointer authentication instructions instead of \
46 the default A key; does not have an effect on code generation by \
47 itself. Some platform ABIs may require this, for example.",
48 "",
49 false,
50 );
51 settings.add_bool(
52 "use_bti",
53 "Use Branch Target Identification (FEAT_BTI) instructions.",
54 "",
55 false,
56 );
57 settings.add_bool(
58 "use_csdb",
59 "Use the `csdb` instruction when spectre mitigations are enabled",
60 "",
61 false,
62 );
63
64 TargetIsa::new("arm64", settings.build())
65 }
66