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Add RISC-V target features

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This commit is contained in:
Amanieu d'Antras 2020-03-01 09:52:04 +00:00
parent d4bf05693c
commit 62d5784a8f
5 changed files with 15 additions and 0 deletions
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11
src/librustc_codegen_llvm/llvm_util.rs
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@ -236,6 +236,15 @@ const POWERPC_WHITELIST: &[(&str, Option<Symbol>)] = &[
const MIPS_WHITELIST: &[(&str, Option<Symbol>)] =
&[("fp64", Some(sym::mips_target_feature)), ("msa", Some(sym::mips_target_feature))];
const RISCV_WHITELIST: &[(&str, Option<Symbol>)] = &[
("m", Some(sym::riscv_target_feature)),
("a", Some(sym::riscv_target_feature)),
("c", Some(sym::riscv_target_feature)),
("f", Some(sym::riscv_target_feature)),
("d", Some(sym::riscv_target_feature)),
("e", Some(sym::riscv_target_feature)),
];
const WASM_WHITELIST: &[(&str, Option<Symbol>)] =
&[("simd128", Some(sym::wasm_target_feature)), ("atomics", Some(sym::wasm_target_feature))];
@ -253,6 +262,7 @@ pub fn all_known_features() -> impl Iterator<Item = (&'static str, Option<Symbol
.chain(HEXAGON_WHITELIST.iter().cloned())
.chain(POWERPC_WHITELIST.iter().cloned())
.chain(MIPS_WHITELIST.iter().cloned())
.chain(RISCV_WHITELIST.iter().cloned())
.chain(WASM_WHITELIST.iter().cloned())
}
@ -297,6 +307,7 @@ pub fn target_feature_whitelist(sess: &Session) -> &'static [(&'static str, Opti
"hexagon" => HEXAGON_WHITELIST,
"mips" | "mips64" => MIPS_WHITELIST,
"powerpc" | "powerpc64" => POWERPC_WHITELIST,
"riscv32" | "riscv64" => RISCV_WHITELIST,
"wasm32" => WASM_WHITELIST,
_ => &[],
}