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Re-enable LLVM 9 target features with LLVM 9 being the minimum now 

With #78848 merged, the minimum supported LLVM version is now 9
which means we can actually use the target features introduced in LLVM 9
This commit is contained in:
DevJPM 2020-11-15 11:34:08 +01:00
parent 3daa93f555
commit 72b83af2ff
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_codegen_ssa/src/target_features.rs
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@ -55,7 +55,7 @@ const X86_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("aes", None),
("avx", None),
("avx2", None),
//("avx512bf16", Some(sym::avx512_target_feature)), // this seems to be unsupported by the supported build with external LLVM 8, LLVM 9 should be sufficient though
("avx512bf16", Some(sym::avx512_target_feature)),
("avx512bitalg", Some(sym::avx512_target_feature)),
("avx512bw", Some(sym::avx512_target_feature)),
("avx512cd", Some(sym::avx512_target_feature)),
@ -70,7 +70,7 @@ const X86_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("avx512vbmi2", Some(sym::avx512_target_feature)),
("avx512vl", Some(sym::avx512_target_feature)),
("avx512vnni", Some(sym::avx512_target_feature)),
//("avx512vp2intersect", Some(sym::avx512_target_feature)), // this seems to be unsupported by the supported build with external LLVM 8, LLVM 9 should be sufficient though
("avx512vp2intersect", Some(sym::avx512_target_feature)),
("avx512vpclmulqdq", Some(sym::avx512_target_feature)),
("avx512vpopcntdq", Some(sym::avx512_target_feature)),
("bmi1", None),