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Allow actual AVX512-related feature names in the case of some misleading aliases

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This commit is contained in:
Caleb Zulawski 2022-10-29 23:36:47 -04:00
parent cd128880b1
commit d7152f8eec
3 changed files with 10 additions and 4 deletions
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8
compiler/rustc_codegen_gcc/src/lib.rs
View file

@ -315,10 +315,10 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> {
false
}
/*
adx, aes, avx, avx2, avx512bf16, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512gfni,
avx512ifma, avx512pf, avx512vaes, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vp2intersect, avx512vpclmulqdq,
avx512vpopcntdq, bmi1, bmi2, cmpxchg16b, ermsb, f16c, fma, fxsr, lzcnt, movbe, pclmulqdq, popcnt, rdrand, rdseed, rtm,
sha, sse, sse2, sse3, sse4.1, sse4.2, sse4a, ssse3, tbm, xsave, xsavec, xsaveopt, xsaves
adx, aes, avx, avx2, avx512bf16, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512ifma,
avx512pf, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vp2intersect, avx512vpopcntdq,
bmi1, bmi2, cmpxchg16b, ermsb, f16c, fma, fxsr, gfni, lzcnt, movbe, pclmulqdq, popcnt, rdrand, rdseed, rtm,
sha, sse, sse2, sse3, sse4.1, sse4.2, sse4a, ssse3, tbm, vaes, vpclmulqdq, xsave, xsavec, xsaveopt, xsaves
*/
//false
})

3
compiler/rustc_codegen_llvm/src/llvm_util.rs
View file

@ -163,6 +163,9 @@ pub fn time_trace_profiler_finish(file_name: &Path) {
("x86", "rdrand") => smallvec!["rdrnd"],
("x86", "bmi1") => smallvec!["bmi"],
("x86", "cmpxchg16b") => smallvec!["cx16"],
// FIXME: These aliases are misleading, and should be removed before avx512_target_feature is
// stabilized. For now, they must be kept at a minimum because std::arch uses them.
// rust#100752
("x86", "avx512vaes") => smallvec!["vaes"],
("x86", "avx512gfni") => smallvec!["gfni"],
("x86", "avx512vpclmulqdq") => smallvec!["vpclmulqdq"],

3
compiler/rustc_codegen_ssa/src/target_features.rs
View file

@ -179,6 +179,7 @@
("f16c", Some(sym::f16c_target_feature)),
("fma", None),
("fxsr", None),
("gfni", Some(sym::avx512_target_feature)),
("lzcnt", None),
("movbe", Some(sym::movbe_target_feature)),
("pclmulqdq", None),
@ -195,6 +196,8 @@
("sse4a", Some(sym::sse4a_target_feature)),
("ssse3", None),
("tbm", Some(sym::tbm_target_feature)),
("vaes", Some(sym::avx512_target_feature)),
("vpclmulqdq", Some(sym::avx512_target_feature)),
("xsave", None),
("xsavec", None),
("xsaveopt", None),