hir_ty/target_feature/
generated.rs

1//! Generated by `cargo xtask codegen target-features`, do not edit by hand.
2
3// spellchecker:off
4
5#[expect(dead_code, reason = "stubs for rustc_target")]
6pub(super) enum Stability {
7    Stable,
8    Unstable(()),
9    InternalOnly { reason: &'static str, target_modifier: bool, hard_error: bool },
10}
11use Stability::*;
12
13type ImpliedFeatures = &'static [&'static str];
14static ARM_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
15    // tidy-alphabetical-start
16    ("aclass", Unstable(sym::arm_target_feature), &[]),
17    ("acquire-release", Unstable(sym::arm_target_feature), &[]),
18    ("aes", Unstable(sym::arm_target_feature), &["neon"]),
19    (
20        "atomics-32",
21        Stability::InternalOnly {
22            reason: "unsound because it changes the ABI of atomic operations",
23            target_modifier: true,
24            hard_error: false,
25        },
26        &[],
27    ),
28    ("bf16", Unstable(sym::arm_target_feature), &["neon"]),
29    ("crc", Unstable(sym::arm_target_feature), &[]),
30    ("d32", Unstable(sym::arm_target_feature), &[]),
31    ("dotprod", Unstable(sym::arm_target_feature), &["neon"]),
32    ("dsp", Unstable(sym::arm_target_feature), &[]),
33    ("fp-armv8", Unstable(sym::arm_target_feature), &["vfp4"]),
34    ("fp16", Unstable(sym::arm_target_feature), &["neon"]),
35    ("fp64", Unstable(sym::arm_target_feature), &[]),
36    ("fpregs", Unstable(sym::arm_target_feature), &[]),
37    ("i8mm", Unstable(sym::arm_target_feature), &["neon"]),
38    ("mclass", Unstable(sym::arm_target_feature), &[]),
39    ("mve", Unstable(sym::arm_target_feature), &["v8.1m.main", "dsp", "fpregs"]),
40    ("mve.fp", Unstable(sym::arm_target_feature), &["mve"]),
41    ("neon", Unstable(sym::arm_target_feature), &["vfp3"]),
42    ("rclass", Unstable(sym::arm_target_feature), &[]),
43    ("sha2", Unstable(sym::arm_target_feature), &["neon"]),
44    // This can be *disabled* on non-`hf` targets to enable the use
45    // of hardfloats while keeping the softfloat ABI.
46    // FIXME before stabilization: Should we expose this as a `hard-float` target feature instead of
47    // matching the odd negative feature LLVM uses?
48    ("soft-float", Unstable(sym::arm_target_feature), &[]),
49    // This is needed for inline assembly, but shouldn't be stabilized as-is
50    // since it should be enabled per-function using #[instruction_set], not
51    // #[target_feature].
52    ("thumb-mode", Unstable(sym::arm_target_feature), &[]),
53    ("thumb2", Unstable(sym::arm_target_feature), &[]),
54    ("trustzone", Unstable(sym::arm_target_feature), &[]),
55    ("v5te", Unstable(sym::arm_target_feature), &[]),
56    ("v6", Unstable(sym::arm_target_feature), &["v5te"]),
57    ("v6k", Unstable(sym::arm_target_feature), &["v6"]),
58    ("v6m", Unstable(sym::arm_target_feature), &["v6"]),
59    ("v6t2", Unstable(sym::arm_target_feature), &["v6k", "v8m", "thumb2"]),
60    ("v7", Unstable(sym::arm_target_feature), &["v6t2"]),
61    ("v8", Unstable(sym::arm_target_feature), &["v7", "acquire-release"]),
62    ("v8.1m.main", Unstable(sym::arm_target_feature), &["v8m.main"]),
63    ("v8m", Unstable(sym::arm_target_feature), &["v6m"]),
64    ("v8m.main", Unstable(sym::arm_target_feature), &["v7"]),
65    ("vfp2", Unstable(sym::arm_target_feature), &["vfp2sp", "fp64"]),
66    ("vfp2sp", Unstable(sym::arm_target_feature), &["fpregs"]),
67    ("vfp3", Unstable(sym::arm_target_feature), &["vfp2", "d32"]),
68    ("vfp4", Unstable(sym::arm_target_feature), &["vfp3"]),
69    ("virtualization", Unstable(sym::arm_target_feature), &[]),
70    // tidy-alphabetical-end
71];
72static AARCH64_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
73    // tidy-alphabetical-start
74    // FEAT_AES & FEAT_PMULL
75    ("aes", Stable, &["neon"]),
76    // FEAT_BF16
77    ("bf16", Stable, &[]),
78    // FEAT_BTI
79    ("bti", Stable, &[]),
80    // FEAT_CRC
81    ("crc", Stable, &[]),
82    // FEAT_CSSC
83    ("cssc", Unstable(sym::aarch64_unstable_target_feature), &[]),
84    // FEAT_DIT
85    ("dit", Stable, &[]),
86    // FEAT_DotProd
87    ("dotprod", Stable, &["neon"]),
88    // FEAT_DPB
89    ("dpb", Stable, &[]),
90    // FEAT_DPB2
91    ("dpb2", Stable, &["dpb"]),
92    // FEAT_ECV
93    ("ecv", Unstable(sym::aarch64_unstable_target_feature), &[]),
94    // FEAT_F32MM
95    ("f32mm", Stable, &["sve"]),
96    // FEAT_F64MM
97    ("f64mm", Stable, &["sve"]),
98    // FEAT_FAMINMAX
99    ("faminmax", Unstable(sym::aarch64_unstable_target_feature), &[]),
100    // FEAT_FCMA
101    ("fcma", Stable, &["neon"]),
102    // FEAT_FHM
103    ("fhm", Stable, &["fp16"]),
104    // FEAT_FLAGM
105    ("flagm", Stable, &[]),
106    // FEAT_FLAGM2
107    ("flagm2", Unstable(sym::aarch64_unstable_target_feature), &[]),
108    // We forbid directly toggling just `fp-armv8`; it must be toggled with `neon`.
109    (
110        "fp-armv8",
111        Stability::InternalOnly {
112            reason: "unsound because it changes the ABI of float types",
113            target_modifier: true,
114            hard_error: false,
115        },
116        &[],
117    ),
118    // FEAT_FP8
119    ("fp8", Unstable(sym::aarch64_unstable_target_feature), &["faminmax", "lut", "bf16"]),
120    // FEAT_FP8DOT2
121    ("fp8dot2", Unstable(sym::aarch64_unstable_target_feature), &["fp8dot4"]),
122    // FEAT_FP8DOT4
123    ("fp8dot4", Unstable(sym::aarch64_unstable_target_feature), &["fp8fma"]),
124    // FEAT_FP8FMA
125    ("fp8fma", Unstable(sym::aarch64_unstable_target_feature), &["fp8"]),
126    // FEAT_FP16
127    // Rust ties FP and Neon: https://github.com/rust-lang/rust/pull/91608
128    ("fp16", Stable, &["neon"]),
129    // FEAT_FRINTTS
130    ("frintts", Stable, &[]),
131    // FEAT_HBC
132    ("hbc", Unstable(sym::aarch64_unstable_target_feature), &[]),
133    // FEAT_I8MM
134    ("i8mm", Stable, &[]),
135    // FEAT_JSCVT
136    // Rust ties FP and Neon: https://github.com/rust-lang/rust/pull/91608
137    ("jsconv", Stable, &["neon"]),
138    // FEAT_LOR
139    ("lor", Stable, &[]),
140    // FEAT_LSE
141    ("lse", Stable, &[]),
142    // FEAT_LSE2
143    ("lse2", Unstable(sym::aarch64_unstable_target_feature), &[]),
144    // FEAT_LSE128
145    ("lse128", Unstable(sym::aarch64_unstable_target_feature), &["lse"]),
146    // FEAT_LUT
147    ("lut", Unstable(sym::aarch64_unstable_target_feature), &[]),
148    // FEAT_MOPS
149    ("mops", Unstable(sym::aarch64_unstable_target_feature), &[]),
150    // FEAT_MTE & FEAT_MTE2
151    ("mte", Stable, &[]),
152    // FEAT_AdvSimd & FEAT_FP
153    ("neon", Stable, &[]),
154    // Backend option to turn atomic operations into an intrinsic call when `lse` is not known to be
155    // available, so the intrinsic can do runtime LSE feature detection rather than unconditionally
156    // using slower non-LSE operations. Unstable since it doesn't need to user-togglable.
157    ("outline-atomics", Unstable(sym::aarch64_unstable_target_feature), &[]),
158    // FEAT_PAUTH (address authentication)
159    ("paca", Stable, &[]),
160    // FEAT_PAUTH (generic authentication)
161    ("pacg", Stable, &[]),
162    // FEAT_PAN
163    ("pan", Stable, &[]),
164    // FEAT_PAuth_LR
165    ("pauth-lr", Unstable(sym::aarch64_unstable_target_feature), &[]),
166    // FEAT_PMUv3
167    ("pmuv3", Stable, &[]),
168    // FEAT_RNG
169    ("rand", Stable, &[]),
170    // FEAT_RAS & FEAT_RASv1p1
171    ("ras", Stable, &[]),
172    // FEAT_LRCPC
173    ("rcpc", Stable, &[]),
174    // FEAT_LRCPC2
175    ("rcpc2", Stable, &["rcpc"]),
176    // FEAT_LRCPC3
177    ("rcpc3", Unstable(sym::aarch64_unstable_target_feature), &["rcpc2"]),
178    // FEAT_RDM
179    ("rdm", Stable, &["neon"]),
180    (
181        "reserve-x18",
182        InternalOnly {
183            reason: "use `-Zfixed-x18` compiler flag instead",
184            // The compiler flag is already a target modifier so we don't need to track this again.
185            // Cannot be implicitly toggled via implications or CPU models.
186            target_modifier: false,
187            hard_error: false,
188        },
189        &[],
190    ),
191    // FEAT_SB
192    ("sb", Stable, &[]),
193    // FEAT_SHA1 & FEAT_SHA256
194    ("sha2", Stable, &["neon"]),
195    // FEAT_SHA512 & FEAT_SHA3
196    ("sha3", Stable, &["sha2"]),
197    // FEAT_SM3 & FEAT_SM4
198    ("sm4", Stable, &["neon"]),
199    // FEAT_SME
200    ("sme", Unstable(sym::aarch64_unstable_target_feature), &["bf16"]),
201    // FEAT_SME_B16B16
202    ("sme-b16b16", Unstable(sym::aarch64_unstable_target_feature), &["bf16", "sme2", "sve-b16b16"]),
203    // FEAT_SME_F8F16
204    ("sme-f8f16", Unstable(sym::aarch64_unstable_target_feature), &["sme-f8f32"]),
205    // FEAT_SME_F8F32
206    ("sme-f8f32", Unstable(sym::aarch64_unstable_target_feature), &["sme2", "fp8"]),
207    // FEAT_SME_F16F16
208    ("sme-f16f16", Unstable(sym::aarch64_unstable_target_feature), &["sme2"]),
209    // FEAT_SME_F64F64
210    ("sme-f64f64", Unstable(sym::aarch64_unstable_target_feature), &["sme"]),
211    // FEAT_SME_FA64
212    ("sme-fa64", Unstable(sym::aarch64_unstable_target_feature), &["sme", "sve2"]),
213    // FEAT_SME_I16I64
214    ("sme-i16i64", Unstable(sym::aarch64_unstable_target_feature), &["sme"]),
215    // FEAT_SME_LUTv2
216    ("sme-lutv2", Unstable(sym::aarch64_unstable_target_feature), &[]),
217    // FEAT_SME2
218    ("sme2", Unstable(sym::aarch64_unstable_target_feature), &["sme"]),
219    // FEAT_SME2p1
220    ("sme2p1", Unstable(sym::aarch64_unstable_target_feature), &["sme2"]),
221    // FEAT_SPE
222    ("spe", Stable, &[]),
223    // FEAT_SSBS & FEAT_SSBS2
224    ("ssbs", Stable, &[]),
225    // FEAT_SSVE_FP8FDOT2
226    ("ssve-fp8dot2", Unstable(sym::aarch64_unstable_target_feature), &["ssve-fp8dot4"]),
227    // FEAT_SSVE_FP8FDOT4
228    ("ssve-fp8dot4", Unstable(sym::aarch64_unstable_target_feature), &["ssve-fp8fma"]),
229    // FEAT_SSVE_FP8FMA
230    ("ssve-fp8fma", Unstable(sym::aarch64_unstable_target_feature), &["sme2", "fp8"]),
231    // FEAT_SVE
232    // It was decided that SVE requires Neon: https://github.com/rust-lang/rust/pull/91608
233    //
234    // LLVM doesn't enable Neon for SVE. ARM indicates that they're separate, but probably always
235    // exist together: https://developer.arm.com/documentation/102340/0100/New-features-in-SVE2
236    //
237    // "For backwards compatibility, Neon and VFP are required in the latest architectures."
238    ("sve", Stable, &["neon", "fp16"]),
239    // FEAT_SVE_B16B16 (SVE or SME Z-targeting instructions)
240    ("sve-b16b16", Unstable(sym::aarch64_unstable_target_feature), &["bf16"]),
241    // FEAT_SVE2
242    ("sve2", Stable, &["sve"]),
243    // FEAT_SVE_AES & FEAT_SVE_PMULL128
244    ("sve2-aes", Stable, &["sve2", "aes"]),
245    // FEAT_SVE2_BitPerm
246    ("sve2-bitperm", Stable, &["sve2"]),
247    // FEAT_SVE2_SHA3
248    ("sve2-sha3", Stable, &["sve2", "sha3"]),
249    // FEAT_SVE2_SM4
250    ("sve2-sm4", Stable, &["sve2", "sm4"]),
251    // FEAT_SVE2p1
252    ("sve2p1", Unstable(sym::aarch64_unstable_target_feature), &["sve2"]),
253    // FEAT_TME
254    ("tme", Stable, &[]),
255    (
256        "v8.1a",
257        Unstable(sym::aarch64_ver_target_feature),
258        &["crc", "lse", "rdm", "pan", "lor", "vh"],
259    ),
260    ("v8.2a", Unstable(sym::aarch64_ver_target_feature), &["v8.1a", "ras", "dpb"]),
261    (
262        "v8.3a",
263        Unstable(sym::aarch64_ver_target_feature),
264        &["v8.2a", "rcpc", "paca", "pacg", "jsconv"],
265    ),
266    ("v8.4a", Unstable(sym::aarch64_ver_target_feature), &["v8.3a", "dotprod", "dit", "flagm"]),
267    ("v8.5a", Unstable(sym::aarch64_ver_target_feature), &["v8.4a", "ssbs", "sb", "dpb2", "bti"]),
268    ("v8.6a", Unstable(sym::aarch64_ver_target_feature), &["v8.5a", "bf16", "i8mm"]),
269    ("v8.7a", Unstable(sym::aarch64_ver_target_feature), &["v8.6a", "wfxt"]),
270    ("v8.8a", Unstable(sym::aarch64_ver_target_feature), &["v8.7a", "hbc", "mops"]),
271    ("v8.9a", Unstable(sym::aarch64_ver_target_feature), &["v8.8a", "cssc"]),
272    ("v9.1a", Unstable(sym::aarch64_ver_target_feature), &["v9a", "v8.6a"]),
273    ("v9.2a", Unstable(sym::aarch64_ver_target_feature), &["v9.1a", "v8.7a"]),
274    ("v9.3a", Unstable(sym::aarch64_ver_target_feature), &["v9.2a", "v8.8a"]),
275    ("v9.4a", Unstable(sym::aarch64_ver_target_feature), &["v9.3a", "v8.9a"]),
276    ("v9.5a", Unstable(sym::aarch64_ver_target_feature), &["v9.4a"]),
277    ("v9a", Unstable(sym::aarch64_ver_target_feature), &["v8.5a"]),
278    // FEAT_VHE
279    ("vh", Stable, &[]),
280    // FEAT_WFxT
281    ("wfxt", Unstable(sym::aarch64_unstable_target_feature), &[]),
282    // tidy-alphabetical-end
283];
284static X86_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
285    // tidy-alphabetical-start
286    ("adx", Stable, &[]),
287    ("aes", Stable, &["sse2"]),
288    ("amx-avx512", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
289    ("amx-bf16", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
290    ("amx-complex", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
291    ("amx-fp8", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
292    ("amx-fp16", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
293    ("amx-int8", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
294    ("amx-movrs", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
295    ("amx-tile", Unstable(sym::x86_amx_intrinsics), &[]),
296    ("apxf", Unstable(sym::apx_target_feature), &[]),
297    ("avx", Stable, &["sse4.2"]),
298    ("avx2", Stable, &["avx"]),
299    (
300        "avx10.1",
301        Unstable(sym::avx10_target_feature),
302        &[
303            "avx512bf16",
304            "avx512bitalg",
305            "avx512bw",
306            "avx512cd",
307            "avx512dq",
308            "avx512f",
309            "avx512fp16",
310            "avx512ifma",
311            "avx512vbmi",
312            "avx512vbmi2",
313            "avx512vl",
314            "avx512vnni",
315            "avx512vpopcntdq",
316        ],
317    ),
318    (
319        "avx10.2",
320        Unstable(sym::avx10_target_feature),
321        &["avx10.1", "avxvnni", "avxvnniint8", "avxvnniint16"],
322    ),
323    ("avx512bf16", Stable, &["avx512bw"]),
324    ("avx512bitalg", Stable, &["avx512bw"]),
325    ("avx512bw", Stable, &["avx512f"]),
326    ("avx512cd", Stable, &["avx512f"]),
327    ("avx512dq", Stable, &["avx512f"]),
328    ("avx512f", Stable, &["avx2", "fma", "f16c"]),
329    ("avx512fp16", Stable, &["avx512bw"]),
330    ("avx512ifma", Stable, &["avx512f"]),
331    ("avx512vbmi", Stable, &["avx512bw"]),
332    ("avx512vbmi2", Stable, &["avx512bw"]),
333    ("avx512vl", Stable, &["avx512f"]),
334    ("avx512vnni", Stable, &["avx512f"]),
335    ("avx512vp2intersect", Stable, &["avx512f"]),
336    ("avx512vpopcntdq", Stable, &["avx512f"]),
337    ("avxifma", Stable, &["avx2"]),
338    ("avxneconvert", Stable, &["avx2"]),
339    ("avxvnni", Stable, &["avx2"]),
340    ("avxvnniint8", Stable, &["avx2"]),
341    ("avxvnniint16", Stable, &["avx2"]),
342    ("bmi1", Stable, &[]),
343    ("bmi2", Stable, &[]),
344    ("clflushopt", Unstable(sym::clflushopt_target_feature), &[]),
345    ("cmpxchg16b", Stable, &[]),
346    ("ermsb", Unstable(sym::ermsb_target_feature), &[]),
347    ("f16c", Stable, &["avx"]),
348    ("fma", Stable, &["avx"]),
349    ("fma4", Unstable(sym::fma4_target_feature), &["avx", "sse4a"]),
350    ("fxsr", Stable, &[]),
351    ("gfni", Stable, &["sse2"]),
352    ("kl", Stable, &["sse2"]),
353    ("lahfsahf", Unstable(sym::lahfsahf_target_feature), &[]),
354    ("lzcnt", Stable, &[]),
355    ("movbe", Stable, &[]),
356    ("movdir64b", Unstable(sym::movdir64b_target_feature), &[]),
357    ("movdiri", Unstable(sym::movdiri_target_feature), &[]),
358    ("movrs", Unstable(sym::movrs_target_feature), &[]),
359    ("pclmulqdq", Stable, &["sse2"]),
360    ("popcnt", Stable, &[]),
361    ("prfchw", Unstable(sym::prfchw_target_feature), &[]),
362    ("rdrand", Stable, &[]),
363    ("rdseed", Stable, &[]),
364    (
365        "retpoline-external-thunk",
366        Stability::InternalOnly {
367            reason: "use `-Zretpoline-external-thunk` compiler flag instead",
368            // The compiler flag is already a target modifier so we don't need to track this again.
369            // Cannot be implicitly toggled via implications or CPU models.
370            target_modifier: false,
371            hard_error: false,
372        },
373        &[],
374    ),
375    (
376        "retpoline-indirect-branches",
377        Stability::InternalOnly {
378            reason: "use `-Zretpoline` compiler flag instead",
379            // The compiler flag is already a target modifier so we don't need to track this again.
380            // Cannot be implicitly toggled via implications or CPU models.
381            target_modifier: false,
382            hard_error: false,
383        },
384        &[],
385    ),
386    (
387        "retpoline-indirect-calls",
388        Stability::InternalOnly {
389            reason: "use `-Zretpoline` compiler flag instead",
390            // The compiler flag is already a target modifier so we don't need to track this again.
391            // Cannot be implicitly toggled via implications or CPU models.
392            target_modifier: false,
393            hard_error: false,
394        },
395        &[],
396    ),
397    ("rtm", Unstable(sym::rtm_target_feature), &[]),
398    ("sha", Stable, &["sse2"]),
399    ("sha512", Stable, &["avx2"]),
400    ("sm3", Stable, &["avx"]),
401    ("sm4", Stable, &["avx2"]),
402    (
403        "soft-float",
404        Stability::InternalOnly {
405            reason: "use a soft-float target instead",
406            target_modifier: true,
407            hard_error: false,
408        },
409        &[],
410    ),
411    ("sse", Stable, &[]),
412    ("sse2", Stable, &["sse"]),
413    ("sse3", Stable, &["sse2"]),
414    ("sse4.1", Stable, &["ssse3"]),
415    ("sse4.2", Stable, &["sse4.1"]),
416    ("sse4a", Stable, &["sse3"]),
417    ("ssse3", Stable, &["sse3"]),
418    ("tbm", Stable, &[]),
419    ("vaes", Stable, &["avx2", "aes"]),
420    ("vpclmulqdq", Stable, &["avx", "pclmulqdq"]),
421    ("widekl", Stable, &["kl"]),
422    ("x87", Unstable(sym::x87_target_feature), &[]),
423    ("xop", Unstable(sym::xop_target_feature), &["fma4", "avx", "sse4a"]),
424    ("xsave", Stable, &[]),
425    ("xsavec", Stable, &["xsave"]),
426    ("xsaveopt", Stable, &["xsave"]),
427    ("xsaves", Stable, &["xsave"]),
428    // tidy-alphabetical-end
429];
430const HEXAGON_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
431    // tidy-alphabetical-start
432    ("audio", Unstable(sym::hexagon_target_feature), &[]),
433    ("hvx", Unstable(sym::hexagon_target_feature), &[]),
434    ("hvx-ieee-fp", Unstable(sym::hexagon_target_feature), &["hvx"]),
435    ("hvx-length64b", Unstable(sym::hexagon_target_feature), &["hvx"]),
436    ("hvx-length128b", Unstable(sym::hexagon_target_feature), &["hvx"]),
437    ("hvx-qfloat", Unstable(sym::hexagon_target_feature), &["hvx"]),
438    ("hvxv60", Unstable(sym::hexagon_target_feature), &["hvx"]),
439    ("hvxv62", Unstable(sym::hexagon_target_feature), &["hvxv60"]),
440    ("hvxv65", Unstable(sym::hexagon_target_feature), &["hvxv62"]),
441    ("hvxv66", Unstable(sym::hexagon_target_feature), &["hvxv65", "zreg"]),
442    ("hvxv67", Unstable(sym::hexagon_target_feature), &["hvxv66"]),
443    ("hvxv68", Unstable(sym::hexagon_target_feature), &["hvxv67"]),
444    ("hvxv69", Unstable(sym::hexagon_target_feature), &["hvxv68"]),
445    ("hvxv71", Unstable(sym::hexagon_target_feature), &["hvxv69"]),
446    ("hvxv73", Unstable(sym::hexagon_target_feature), &["hvxv71"]),
447    ("hvxv75", Unstable(sym::hexagon_target_feature), &["hvxv73"]),
448    ("hvxv79", Unstable(sym::hexagon_target_feature), &["hvxv75"]),
449    ("v60", Unstable(sym::hexagon_target_feature), &[]),
450    ("v62", Unstable(sym::hexagon_target_feature), &["v60"]),
451    ("v65", Unstable(sym::hexagon_target_feature), &["v62"]),
452    ("v66", Unstable(sym::hexagon_target_feature), &["v65"]),
453    ("v67", Unstable(sym::hexagon_target_feature), &["v66"]),
454    ("v68", Unstable(sym::hexagon_target_feature), &["v67"]),
455    ("v69", Unstable(sym::hexagon_target_feature), &["v68"]),
456    ("v71", Unstable(sym::hexagon_target_feature), &["v69"]),
457    ("v73", Unstable(sym::hexagon_target_feature), &["v71"]),
458    ("v75", Unstable(sym::hexagon_target_feature), &["v73"]),
459    ("v79", Unstable(sym::hexagon_target_feature), &["v75"]),
460    ("zreg", Unstable(sym::hexagon_target_feature), &[]),
461    // tidy-alphabetical-end
462];
463static POWERPC_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
464    // If you are thinking of adding "efpu2" here, please double-check that it really does not
465    // affect the ABI.
466    // tidy-alphabetical-start
467    ("altivec", Unstable(sym::powerpc_target_feature), &[]),
468    (
469        "hard-float",
470        InternalOnly {
471            reason: "unsupported ABI-configuration feature",
472            target_modifier: true,
473            hard_error: false,
474        },
475        &[],
476    ),
477    ("msync", Unstable(sym::powerpc_target_feature), &[]),
478    ("partword-atomics", Unstable(sym::powerpc_target_feature), &[]),
479    ("power8-altivec", Unstable(sym::powerpc_target_feature), &["altivec"]),
480    ("power8-crypto", Unstable(sym::powerpc_target_feature), &["power8-altivec"]),
481    ("power8-vector", Unstable(sym::powerpc_target_feature), &["vsx", "power8-altivec"]),
482    ("power9-altivec", Unstable(sym::powerpc_target_feature), &["power8-altivec"]),
483    ("power9-vector", Unstable(sym::powerpc_target_feature), &["power8-vector", "power9-altivec"]),
484    ("power10-vector", Unstable(sym::powerpc_target_feature), &["power9-vector"]),
485    ("quadword-atomics", Unstable(sym::powerpc_target_feature), &[]),
486    (
487        "spe",
488        InternalOnly {
489            reason: "unsupported ABI-configuration feature",
490            target_modifier: true,
491            hard_error: false,
492        },
493        &[],
494    ),
495    ("vsx", Unstable(sym::powerpc_target_feature), &["altivec"]),
496    // tidy-alphabetical-end
497];
498const MIPS_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
499    // tidy-alphabetical-start
500    ("fp64", Unstable(sym::mips_target_feature), &[]),
501    // FIXME(#150253): msa requires either fp64 or no hard float support at all: LLVM requires fp64
502    // FIXME(#150253): msa requires revision 5 or greater (mips32r5/mips64r5 in LLVM)
503    ("msa", Unstable(sym::mips_target_feature), &[]),
504    ("virt", Unstable(sym::mips_target_feature), &[]),
505    // tidy-alphabetical-end
506];
507const NVPTX_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
508    // tidy-alphabetical-start
509    ("sm_70", Unstable(sym::nvptx_target_feature), &[]),
510    ("sm_72", Unstable(sym::nvptx_target_feature), &["sm_70"]),
511    ("sm_75", Unstable(sym::nvptx_target_feature), &["sm_72"]),
512    ("sm_80", Unstable(sym::nvptx_target_feature), &["sm_75"]),
513    ("sm_86", Unstable(sym::nvptx_target_feature), &["sm_80"]),
514    ("sm_87", Unstable(sym::nvptx_target_feature), &["sm_86"]),
515    ("sm_89", Unstable(sym::nvptx_target_feature), &["sm_87"]),
516    ("sm_90", Unstable(sym::nvptx_target_feature), &["sm_89"]),
517    ("sm_90a", Unstable(sym::nvptx_target_feature), &["sm_90"]),
518    // tidy-alphabetical-end
519    // tidy-alphabetical-start
520    ("sm_100", Unstable(sym::nvptx_target_feature), &["sm_90"]),
521    ("sm_100a", Unstable(sym::nvptx_target_feature), &["sm_100"]),
522    ("sm_101", Unstable(sym::nvptx_target_feature), &["sm_100"]),
523    ("sm_101a", Unstable(sym::nvptx_target_feature), &["sm_101"]),
524    ("sm_120", Unstable(sym::nvptx_target_feature), &["sm_101"]),
525    ("sm_120a", Unstable(sym::nvptx_target_feature), &["sm_120"]),
526    // tidy-alphabetical-end
527    // tidy-alphabetical-start
528    ("ptx70", Unstable(sym::nvptx_target_feature), &[]),
529    ("ptx71", Unstable(sym::nvptx_target_feature), &["ptx70"]),
530    ("ptx72", Unstable(sym::nvptx_target_feature), &["ptx71"]),
531    ("ptx73", Unstable(sym::nvptx_target_feature), &["ptx72"]),
532    ("ptx74", Unstable(sym::nvptx_target_feature), &["ptx73"]),
533    ("ptx75", Unstable(sym::nvptx_target_feature), &["ptx74"]),
534    ("ptx76", Unstable(sym::nvptx_target_feature), &["ptx75"]),
535    ("ptx77", Unstable(sym::nvptx_target_feature), &["ptx76"]),
536    ("ptx78", Unstable(sym::nvptx_target_feature), &["ptx77"]),
537    ("ptx80", Unstable(sym::nvptx_target_feature), &["ptx78"]),
538    ("ptx81", Unstable(sym::nvptx_target_feature), &["ptx80"]),
539    ("ptx82", Unstable(sym::nvptx_target_feature), &["ptx81"]),
540    ("ptx83", Unstable(sym::nvptx_target_feature), &["ptx82"]),
541    ("ptx84", Unstable(sym::nvptx_target_feature), &["ptx83"]),
542    ("ptx85", Unstable(sym::nvptx_target_feature), &["ptx84"]),
543    ("ptx86", Unstable(sym::nvptx_target_feature), &["ptx85"]),
544    ("ptx87", Unstable(sym::nvptx_target_feature), &["ptx86"]),
545    // tidy-alphabetical-end
546];
547static RISCV_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
548    // tidy-alphabetical-start
549    ("a", Stable, &["zaamo", "zalrsc"]),
550    ("b", Stable, &["zba", "zbb", "zbs"]),
551    ("c", Stable, &["zca"]),
552    ("d", Stable, &["f"]),
553    ("e", Unstable(sym::riscv_target_feature), &[]), // negative feature! needs special care.
554    ("f", Stable, &["zicsr"]),
555    (
556        "forced-atomics",
557        Stability::InternalOnly {
558            reason: "unsound because it changes the ABI of atomic operations",
559            target_modifier: true,
560            hard_error: false,
561        },
562        &[],
563    ),
564    // According to the RISC-V spec, the M ISA extension (integer multiplication/division) is supported only when the M bit
565    // of the misa register is 1, while Zmmul means integer multiplication is always supported.
566    //
567    // The Rust/LLVM "m" target feature means something slightly different: with "m" enabled, it is assumed that integer
568    // multiplication and division will always be available (M bit will be 1 in misa), so "m" implies "zmmul".
569    //
570    // See discussion in the PR adding Zmmul: https://github.com/rust-lang/rust/pull/162552
571    ("m", Stable, &["zmmul"]),
572    ("relax", Unstable(sym::riscv_target_feature), &[]),
573    (
574        "rva23u64",
575        Unstable(sym::riscv_target_feature),
576        &[
577            "m",
578            "a",
579            "f",
580            "d",
581            "c",
582            "b",
583            "v",
584            "zicsr",
585            "zicntr",
586            "zihpm",
587            "ziccif",
588            "ziccrse",
589            "ziccamoa",
590            "zicclsm",
591            "zic64b",
592            "za64rs",
593            "zihintpause",
594            "zba",
595            "zbb",
596            "zbs",
597            "zicbom",
598            "zicbop",
599            "zicboz",
600            "zfhmin",
601            "zkt",
602            "zvfhmin",
603            "zvbb",
604            "zvkt",
605            "zihintntl",
606            "zicond",
607            "zimop",
608            "zcmop",
609            "zcb",
610            "zfa",
611            "zawrs",
612            "supm",
613        ],
614    ),
615    ("supm", Unstable(sym::riscv_target_feature), &[]),
616    ("unaligned-scalar-mem", Unstable(sym::riscv_target_feature), &[]),
617    ("unaligned-vector-mem", Unstable(sym::riscv_target_feature), &[]),
618    ("v", Unstable(sym::riscv_target_feature), &["zvl128b", "zve64d"]),
619    ("za64rs", Stable, &["za128rs"]), // Za64rs ⊃ Za128rs
620    ("za128rs", Stable, &[]),
621    ("zaamo", Stable, &[]),
622    ("zabha", Stable, &["zaamo"]),
623    ("zacas", Stable, &["zaamo"]),
624    ("zalrsc", Stable, &[]),
625    ("zama16b", Stable, &[]),
626    ("zawrs", Stable, &[]),
627    ("zba", Stable, &[]),
628    ("zbb", Stable, &[]),
629    ("zbc", Stable, &["zbkc"]), // Zbc ⊃ Zbkc
630    ("zbkb", Stable, &[]),
631    ("zbkc", Stable, &[]),
632    ("zbkx", Stable, &[]),
633    ("zbs", Stable, &[]),
634    ("zca", Stable, &[]),
635    ("zcb", Stable, &["zca"]),
636    ("zcmop", Stable, &["zca"]),
637    ("zdinx", Unstable(sym::riscv_target_feature), &["zfinx"]),
638    ("zfa", Unstable(sym::riscv_target_feature), &["f"]),
639    ("zfbfmin", Unstable(sym::riscv_target_feature), &["f"]), // and a subset of Zfhmin
640    ("zfh", Unstable(sym::riscv_target_feature), &["zfhmin"]),
641    ("zfhmin", Unstable(sym::riscv_target_feature), &["f"]),
642    ("zfinx", Unstable(sym::riscv_target_feature), &["zicsr"]),
643    ("zhinx", Unstable(sym::riscv_target_feature), &["zhinxmin"]),
644    ("zhinxmin", Unstable(sym::riscv_target_feature), &["zfinx"]),
645    ("zic64b", Stable, &[]),
646    ("zicbom", Stable, &[]),
647    ("zicbop", Stable, &[]),
648    ("zicboz", Stable, &[]),
649    ("ziccamoa", Stable, &[]),
650    ("ziccif", Stable, &[]),
651    ("zicclsm", Stable, &[]),
652    ("ziccrse", Stable, &[]),
653    ("zicntr", Stable, &["zicsr"]),
654    ("zicond", Stable, &[]),
655    ("zicsr", Stable, &[]),
656    ("zifencei", Stable, &[]),
657    ("zihintntl", Stable, &[]),
658    ("zihintpause", Stable, &[]),
659    ("zihpm", Stable, &["zicsr"]),
660    ("zimop", Stable, &[]),
661    ("zk", Stable, &["zkn", "zkr", "zkt"]),
662    ("zkn", Stable, &["zbkb", "zbkc", "zbkx", "zkne", "zknd", "zknh"]),
663    ("zknd", Stable, &["zkne_or_zknd"]),
664    ("zkne", Stable, &["zkne_or_zknd"]),
665    ("zkne_or_zknd", Unstable(sym::riscv_target_feature), &[]), // Not an extension
666    ("zknh", Stable, &[]),
667    ("zkr", Stable, &[]),
668    ("zks", Stable, &["zbkb", "zbkc", "zbkx", "zksed", "zksh"]),
669    ("zksed", Stable, &[]),
670    ("zksh", Stable, &[]),
671    ("zkt", Stable, &[]),
672    ("zmmul", Unstable(sym::riscv_target_feature), &[]),
673    ("ztso", Stable, &[]),
674    ("zvbb", Unstable(sym::riscv_target_feature), &["zvkb"]), // Zvbb ⊃ Zvkb
675    ("zvbc", Unstable(sym::riscv_target_feature), &["zve64x"]),
676    ("zve32f", Unstable(sym::riscv_target_feature), &["zve32x", "f"]),
677    ("zve32x", Unstable(sym::riscv_target_feature), &["zvl32b", "zicsr"]),
678    ("zve64d", Unstable(sym::riscv_target_feature), &["zve64f", "d"]),
679    ("zve64f", Unstable(sym::riscv_target_feature), &["zve32f", "zve64x"]),
680    ("zve64x", Unstable(sym::riscv_target_feature), &["zve32x", "zvl64b"]),
681    ("zvfbfmin", Unstable(sym::riscv_target_feature), &["zve32f"]),
682    ("zvfbfwma", Unstable(sym::riscv_target_feature), &["zfbfmin", "zvfbfmin"]),
683    ("zvfh", Unstable(sym::riscv_target_feature), &["zvfhmin", "zve32f", "zfhmin"]), // Zvfh ⊃ Zvfhmin
684    ("zvfhmin", Unstable(sym::riscv_target_feature), &["zve32f"]),
685    ("zvkb", Unstable(sym::riscv_target_feature), &["zve32x"]),
686    ("zvkg", Unstable(sym::riscv_target_feature), &["zve32x"]),
687    ("zvkn", Unstable(sym::riscv_target_feature), &["zvkned", "zvknhb", "zvkb", "zvkt"]),
688    ("zvknc", Unstable(sym::riscv_target_feature), &["zvkn", "zvbc"]),
689    ("zvkned", Unstable(sym::riscv_target_feature), &["zve32x"]),
690    ("zvkng", Unstable(sym::riscv_target_feature), &["zvkn", "zvkg"]),
691    ("zvknha", Unstable(sym::riscv_target_feature), &["zve32x"]),
692    ("zvknhb", Unstable(sym::riscv_target_feature), &["zvknha", "zve64x"]), // Zvknhb ⊃ Zvknha
693    ("zvks", Unstable(sym::riscv_target_feature), &["zvksed", "zvksh", "zvkb", "zvkt"]),
694    ("zvksc", Unstable(sym::riscv_target_feature), &["zvks", "zvbc"]),
695    ("zvksed", Unstable(sym::riscv_target_feature), &["zve32x"]),
696    ("zvksg", Unstable(sym::riscv_target_feature), &["zvks", "zvkg"]),
697    ("zvksh", Unstable(sym::riscv_target_feature), &["zve32x"]),
698    ("zvkt", Unstable(sym::riscv_target_feature), &[]),
699    ("zvl32b", Unstable(sym::riscv_target_feature), &[]),
700    ("zvl64b", Unstable(sym::riscv_target_feature), &["zvl32b"]),
701    ("zvl128b", Unstable(sym::riscv_target_feature), &["zvl64b"]),
702    ("zvl256b", Unstable(sym::riscv_target_feature), &["zvl128b"]),
703    ("zvl512b", Unstable(sym::riscv_target_feature), &["zvl256b"]),
704    ("zvl1024b", Unstable(sym::riscv_target_feature), &["zvl512b"]),
705    ("zvl2048b", Unstable(sym::riscv_target_feature), &["zvl1024b"]),
706    ("zvl4096b", Unstable(sym::riscv_target_feature), &["zvl2048b"]),
707    ("zvl8192b", Unstable(sym::riscv_target_feature), &["zvl4096b"]),
708    ("zvl16384b", Unstable(sym::riscv_target_feature), &["zvl8192b"]),
709    ("zvl32768b", Unstable(sym::riscv_target_feature), &["zvl16384b"]),
710    ("zvl65536b", Unstable(sym::riscv_target_feature), &["zvl32768b"]),
711    // tidy-alphabetical-end
712];
713static WASM_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
714    // tidy-alphabetical-start
715    ("atomics", Unstable(sym::wasm_target_feature), &[]),
716    ("bulk-memory", Stable, &[]),
717    ("exception-handling", Unstable(sym::wasm_target_feature), &[]),
718    ("extended-const", Stable, &[]),
719    ("gc", Unstable(sym::wasm_target_feature), &["reference-types"]),
720    ("multivalue", Stable, &[]),
721    ("mutable-globals", Stable, &[]),
722    ("nontrapping-fptoint", Stable, &[]),
723    ("reference-types", Stable, &[]),
724    ("relaxed-simd", Stable, &["simd128"]),
725    ("sign-ext", Stable, &[]),
726    ("simd128", Stable, &[]),
727    ("tail-call", Stable, &[]),
728    ("wide-arithmetic", Stable, &[]),
729    // tidy-alphabetical-end
730];
731const BPF_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
732    ("alu32", Unstable(sym::bpf_target_feature), &[]),
733    ("allows-misaligned-mem-access", Unstable(sym::bpf_target_feature), &[]),
734];
735static CSKY_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
736    // tidy-alphabetical-start
737    ("2e3", Unstable(sym::csky_target_feature), &["e2"]),
738    ("3e3r1", Unstable(sym::csky_target_feature), &[]),
739    ("3e3r2", Unstable(sym::csky_target_feature), &["3e3r1", "doloop"]),
740    ("3e3r3", Unstable(sym::csky_target_feature), &["doloop"]),
741    ("3e7", Unstable(sym::csky_target_feature), &["2e3"]),
742    ("7e10", Unstable(sym::csky_target_feature), &["3e7"]),
743    ("10e60", Unstable(sym::csky_target_feature), &["7e10"]),
744    ("cache", Unstable(sym::csky_target_feature), &[]),
745    ("doloop", Unstable(sym::csky_target_feature), &[]),
746    ("dsp1e2", Unstable(sym::csky_target_feature), &[]),
747    ("dspe60", Unstable(sym::csky_target_feature), &[]),
748    ("e1", Unstable(sym::csky_target_feature), &["elrw"]),
749    ("e2", Unstable(sym::csky_target_feature), &["e2"]),
750    ("edsp", Unstable(sym::csky_target_feature), &[]),
751    ("elrw", Unstable(sym::csky_target_feature), &[]),
752    ("float1e2", Unstable(sym::csky_target_feature), &[]),
753    ("float1e3", Unstable(sym::csky_target_feature), &[]),
754    ("float3e4", Unstable(sym::csky_target_feature), &[]),
755    ("float7e60", Unstable(sym::csky_target_feature), &[]),
756    ("floate1", Unstable(sym::csky_target_feature), &[]),
757    ("hard-tp", Unstable(sym::csky_target_feature), &[]),
758    ("high-registers", Unstable(sym::csky_target_feature), &[]),
759    ("hwdiv", Unstable(sym::csky_target_feature), &[]),
760    ("mp", Unstable(sym::csky_target_feature), &["2e3"]),
761    ("mp1e2", Unstable(sym::csky_target_feature), &["3e7"]),
762    ("nvic", Unstable(sym::csky_target_feature), &[]),
763    ("trust", Unstable(sym::csky_target_feature), &[]),
764    ("vdsp2e60f", Unstable(sym::csky_target_feature), &[]),
765    ("vdspv1", Unstable(sym::csky_target_feature), &[]),
766    ("vdspv2", Unstable(sym::csky_target_feature), &[]),
767    // tidy-alphabetical-end
768    //fpu
769    // tidy-alphabetical-start
770    ("fdivdu", Unstable(sym::csky_target_feature), &[]),
771    ("fpuv2_df", Unstable(sym::csky_target_feature), &[]),
772    ("fpuv2_sf", Unstable(sym::csky_target_feature), &[]),
773    ("fpuv3_df", Unstable(sym::csky_target_feature), &[]),
774    ("fpuv3_hf", Unstable(sym::csky_target_feature), &[]),
775    ("fpuv3_hi", Unstable(sym::csky_target_feature), &[]),
776    ("fpuv3_sf", Unstable(sym::csky_target_feature), &[]),
777    ("hard-float", Unstable(sym::csky_target_feature), &[]),
778    ("hard-float-abi", Unstable(sym::csky_target_feature), &[]),
779    // tidy-alphabetical-end
780];
781static LOONGARCH_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
782    // tidy-alphabetical-start
783    ("32s", Unstable(sym::loongarch_target_feature), &[]),
784    ("d", Stable, &["f"]),
785    ("div32", Stable, &[]),
786    ("f", Stable, &[]),
787    ("frecipe", Stable, &[]),
788    ("lam-bh", Stable, &[]),
789    ("lamcas", Stable, &[]),
790    ("lasx", Stable, &["lsx"]),
791    ("lbt", Stable, &[]),
792    ("ld-seq-sa", Stable, &[]),
793    ("lsx", Stable, &["d"]),
794    ("lvz", Stable, &[]),
795    ("relax", Unstable(sym::loongarch_target_feature), &[]),
796    ("scq", Stable, &[]),
797    ("ual", Unstable(sym::loongarch_target_feature), &[]),
798    // tidy-alphabetical-end
799];
800const IBMZ_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
801    // tidy-alphabetical-start
802    // For "backchain", https://github.com/rust-lang/rust/issues/142412 is a stabilization blocker
803    ("backchain", Unstable(sym::s390x_target_feature), &[]),
804    ("concurrent-functions", Unstable(sym::s390x_target_feature), &[]),
805    ("deflate-conversion", Unstable(sym::s390x_target_feature), &[]),
806    ("enhanced-sort", Unstable(sym::s390x_target_feature), &[]),
807    ("guarded-storage", Unstable(sym::s390x_target_feature), &[]),
808    ("high-word", Unstable(sym::s390x_target_feature), &[]),
809    // LLVM does not define message-security-assist-extension versions 1, 2, 6, 10 and 11.
810    ("message-security-assist-extension3", Unstable(sym::s390x_target_feature), &[]),
811    ("message-security-assist-extension4", Unstable(sym::s390x_target_feature), &[]),
812    ("message-security-assist-extension5", Unstable(sym::s390x_target_feature), &[]),
813    (
814        "message-security-assist-extension8",
815        Unstable(sym::s390x_target_feature),
816        &["message-security-assist-extension3"],
817    ),
818    (
819        "message-security-assist-extension9",
820        Unstable(sym::s390x_target_feature),
821        &["message-security-assist-extension3", "message-security-assist-extension4"],
822    ),
823    ("message-security-assist-extension12", Unstable(sym::s390x_target_feature), &[]),
824    ("miscellaneous-extensions-2", Stable, &[]),
825    ("miscellaneous-extensions-3", Stable, &[]),
826    ("miscellaneous-extensions-4", Stable, &[]),
827    ("nnp-assist", Stable, &["vector"]),
828    (
829        "soft-float",
830        InternalOnly {
831            reason: "unsupported ABI-configuration feature",
832            target_modifier: true,
833            hard_error: false,
834        },
835        &[],
836    ),
837    ("transactional-execution", Unstable(sym::s390x_target_feature), &[]),
838    ("vector", Stable, &[]),
839    ("vector-enhancements-1", Stable, &["vector"]),
840    ("vector-enhancements-2", Stable, &["vector-enhancements-1"]),
841    ("vector-enhancements-3", Stable, &["vector-enhancements-2"]),
842    ("vector-packed-decimal", Stable, &["vector"]),
843    ("vector-packed-decimal-enhancement", Stable, &["vector-packed-decimal"]),
844    ("vector-packed-decimal-enhancement-2", Stable, &["vector-packed-decimal-enhancement"]),
845    ("vector-packed-decimal-enhancement-3", Stable, &["vector-packed-decimal-enhancement-2"]),
846    // tidy-alphabetical-end
847];
848const SPARC_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
849    // tidy-alphabetical-start
850    ("leoncasa", Unstable(sym::sparc_target_feature), &[]),
851    (
852        "soft-float",
853        InternalOnly {
854            reason: "unsupported ABI-configuration feature",
855            target_modifier: true,
856            hard_error: false,
857        },
858        &[],
859    ),
860    ("v8plus", Unstable(sym::sparc_target_feature), &[]),
861    // FIXME: It's unclear what this feature means when `v8plus` is disabled on 32-bit SPARC. See
862    // the discussion around https://github.com/rust-lang/rust/pull/160949#discussion_r3806194355.
863    ("v9", Unstable(sym::sparc_target_feature), &[]),
864    // tidy-alphabetical-end
865];
866static M68K_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
867    // tidy-alphabetical-start
868    ("isa-68000", Unstable(sym::m68k_target_feature), &[]),
869    ("isa-68010", Unstable(sym::m68k_target_feature), &["isa-68000"]),
870    ("isa-68020", Unstable(sym::m68k_target_feature), &["isa-68010"]),
871    ("isa-68030", Unstable(sym::m68k_target_feature), &["isa-68020"]),
872    ("isa-68040", Unstable(sym::m68k_target_feature), &["isa-68030", "isa-68882"]),
873    ("isa-68060", Unstable(sym::m68k_target_feature), &["isa-68040"]),
874    // FPU
875    ("isa-68881", Unstable(sym::m68k_target_feature), &[]),
876    ("isa-68882", Unstable(sym::m68k_target_feature), &["isa-68881"]),
877    // tidy-alphabetical-end
878];
879static AVR_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
880    // tidy-alphabetical-start
881    ("addsubiw", Unstable(sym::avr_target_feature), &[]),
882    ("break", Unstable(sym::avr_target_feature), &[]),
883    ("eijmpcall", Unstable(sym::avr_target_feature), &[]),
884    ("elpm", Unstable(sym::avr_target_feature), &[]),
885    ("elpmx", Unstable(sym::avr_target_feature), &[]),
886    ("ijmpcall", Unstable(sym::avr_target_feature), &[]),
887    ("jmpcall", Unstable(sym::avr_target_feature), &[]),
888    ("lowbytefirst", Unstable(sym::avr_target_feature), &[]),
889    ("lpm", Unstable(sym::avr_target_feature), &[]),
890    ("lpmx", Unstable(sym::avr_target_feature), &[]),
891    ("movw", Unstable(sym::avr_target_feature), &[]),
892    ("mul", Unstable(sym::avr_target_feature), &[]),
893    ("rmw", Unstable(sym::avr_target_feature), &[]),
894    ("spm", Unstable(sym::avr_target_feature), &[]),
895    ("spmx", Unstable(sym::avr_target_feature), &[]),
896    (
897        "sram",
898        InternalOnly {
899            reason: "devices that have no SRAM are unsupported",
900            // Always required by [`Target::abi_required_features`].
901            target_modifier: false,
902            hard_error: false,
903        },
904        &[],
905    ),
906    ("tinyencoding", Unstable(sym::avr_target_feature), &[]),
907    // tidy-alphabetical-end
908];
909const XTENSA_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
910    ("bool", Unstable(sym::xtensa_target_feature), &[]),
911    ("fp", Unstable(sym::xtensa_target_feature), &["bool", "coprocessor"]),
912    ("coprocessor", Unstable(sym::xtensa_target_feature), &[]),
913    ("highpriinterrupts", Unstable(sym::xtensa_target_feature), &["interrupt"]),
914    ("interrupt", Unstable(sym::xtensa_target_feature), &["exception"]),
915    (
916        "windowed",
917        InternalOnly {
918            reason: "windowed changes the Xtensa calling convention",
919            // Always required by [`Target::abi_required_features`].
920            target_modifier: false,
921            hard_error: false,
922        },
923        &["exception"],
924    ),
925    ("loop", Unstable(sym::xtensa_target_feature), &[]),
926    ("sext", Unstable(sym::xtensa_target_feature), &[]),
927    ("nsa", Unstable(sym::xtensa_target_feature), &[]),
928    ("mul32", Unstable(sym::xtensa_target_feature), &[]),
929    ("mul32high", Unstable(sym::xtensa_target_feature), &["mul32"]),
930    ("div32", Unstable(sym::xtensa_target_feature), &[]),
931    ("mac16", Unstable(sym::xtensa_target_feature), &[]),
932    ("s32c1i", Unstable(sym::xtensa_target_feature), &[]),
933    ("threadptr", Unstable(sym::xtensa_target_feature), &[]),
934    ("extendedl32r", Unstable(sym::xtensa_target_feature), &[]),
935    ("debug", Unstable(sym::xtensa_target_feature), &["exception"]),
936    ("exception", Unstable(sym::xtensa_target_feature), &[]),
937    ("rvector", Unstable(sym::xtensa_target_feature), &["exception"]),
938    ("prid", Unstable(sym::xtensa_target_feature), &[]),
939    ("regprotect", Unstable(sym::xtensa_target_feature), &[]),
940    ("miscsr", Unstable(sym::xtensa_target_feature), &[]),
941];
942pub(super) const TARGET_FEATURE_IMPLICATIONS_RAW: &[&[(&str, Stability, ImpliedFeatures)]] = &[
943    ARM_FEATURES,
944    AARCH64_FEATURES,
945    X86_FEATURES,
946    HEXAGON_FEATURES,
947    POWERPC_FEATURES,
948    MIPS_FEATURES,
949    NVPTX_FEATURES,
950    RISCV_FEATURES,
951    WASM_FEATURES,
952    BPF_FEATURES,
953    CSKY_FEATURES,
954    LOONGARCH_FEATURES,
955    IBMZ_FEATURES,
956    SPARC_FEATURES,
957    M68K_FEATURES,
958    AVR_FEATURES,
959    XTENSA_FEATURES,
960];
961
962#[expect(non_upper_case_globals, reason = "stubs for rustc_target")]
963mod sym {
964    pub(in super::super) const aarch64_unstable_target_feature: () = ();
965    pub(in super::super) const aarch64_ver_target_feature: () = ();
966    pub(in super::super) const apx_target_feature: () = ();
967    pub(in super::super) const arm_target_feature: () = ();
968    pub(in super::super) const avr_target_feature: () = ();
969    pub(in super::super) const avx10_target_feature: () = ();
970    pub(in super::super) const bpf_target_feature: () = ();
971    pub(in super::super) const clflushopt_target_feature: () = ();
972    pub(in super::super) const csky_target_feature: () = ();
973    pub(in super::super) const ermsb_target_feature: () = ();
974    pub(in super::super) const fma4_target_feature: () = ();
975    pub(in super::super) const hexagon_target_feature: () = ();
976    pub(in super::super) const lahfsahf_target_feature: () = ();
977    pub(in super::super) const loongarch_target_feature: () = ();
978    pub(in super::super) const m68k_target_feature: () = ();
979    pub(in super::super) const mips_target_feature: () = ();
980    pub(in super::super) const movdir64b_target_feature: () = ();
981    pub(in super::super) const movdiri_target_feature: () = ();
982    pub(in super::super) const movrs_target_feature: () = ();
983    pub(in super::super) const nvptx_target_feature: () = ();
984    pub(in super::super) const powerpc_target_feature: () = ();
985    pub(in super::super) const prfchw_target_feature: () = ();
986    pub(in super::super) const riscv_target_feature: () = ();
987    pub(in super::super) const rtm_target_feature: () = ();
988    pub(in super::super) const s390x_target_feature: () = ();
989    pub(in super::super) const sparc_target_feature: () = ();
990    pub(in super::super) const wasm_target_feature: () = ();
991    pub(in super::super) const x86_amx_intrinsics: () = ();
992    pub(in super::super) const x87_target_feature: () = ();
993    pub(in super::super) const xop_target_feature: () = ();
994    pub(in super::super) const xtensa_target_feature: () = ();
995}
996// spellchecker:on
hir_ty/target_feature/generated.rs

hir_ty/target_feature/
generated.rs
