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Add support for MIPS VZ ISA extension #99443

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Sep 14, 2022
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4 changes: 4 additions & 0 deletions compiler/rustc_codegen_llvm/src/llvm_util.rs
Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,10 @@ pub fn time_trace_profiler_finish(file_name: &Path) {
//
// To find a list of LLVM's names, check llvm-project/llvm/include/llvm/Support/*TargetParser.def
// where the * matches the architecture's name
//
// For targets not present in the above location, see llvm-project/llvm/lib/Target/{ARCH}/*.td
// where `{ARCH}` is the architecture name. Look for instances of `SubtargetFeature`.
//
// Beware to not use the llvm github project for this, but check the git submodule
// found in src/llvm-project
// Though note that Rust can also be build with an external precompiled version of LLVM
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7 changes: 5 additions & 2 deletions compiler/rustc_codegen_ssa/src/target_features.rs
Original file line number Diff line number Diff line change
Expand Up @@ -210,8 +210,11 @@ const POWERPC_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("vsx", Some(sym::powerpc_target_feature)),
];

const MIPS_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] =
&[("fp64", Some(sym::mips_target_feature)), ("msa", Some(sym::mips_target_feature))];
const MIPS_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("fp64", Some(sym::mips_target_feature)),
("msa", Some(sym::mips_target_feature)),
("virt", Some(sym::mips_target_feature)),
];

const RISCV_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("m", Some(sym::riscv_target_feature)),
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