Enable f16 on platforms that were missing conversion symbols · qinheping/verify-rust-std@05590f7 (original) (raw)
`@@ -96,9 +96,6 @@ fn main() {
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`let has_reliable_f16 = match (target_arch.as_str(), target_os.as_str()) {
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`// We can always enable these in Miri as that is not affected by codegen bugs.
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` _ if is_miri => true,
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``
`-
// Selection failure until recent LLVM https://github.com/llvm/llvm-project/issues/93894
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``
`-
// FIXME(llvm19): can probably be removed at the version bump
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``
`-
("loongarch64", _) => false,
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`// Selection failure https://github.com/llvm/llvm-project/issues/50374
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`("s390x", _) => false,
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`// Unsupported https://github.com/llvm/llvm-project/issues/94434
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`@@ -108,18 +105,18 @@ fn main() {
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`` // Apple has a special ABI for f16 that we do not yet support
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`// FIXME(builtins): fixed by https://github.com/rust-lang/compiler-builtins/pull/675
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`("x86" | "x86_64", _) if target_vendor == "apple" => false,
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``
`` -
// Missing __gnu_h2f_ieee and __gnu_f2h_ieee
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`+
// Infinite recursion https://github.com/llvm/llvm-project/issues/97981
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`+
("csky", _) => false,
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`+
("hexagon", _) => false,
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`+
("loongarch64", _) => false,
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`+
("mips" | "mips64" | "mips32r6" | "mips64r6", _) => false,
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`("powerpc" | "powerpc64", _) => false,
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``
`` -
// Missing __gnu_h2f_ieee and __gnu_f2h_ieee
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``
`-
("mips" | "mips32r6" | "mips64" | "mips64r6", _) => false,
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``
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// Missing __extendhfsf and __truncsfhf
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``
`-
("riscv32" | "riscv64", _) => false,
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``
`` -
// Most OSs are missing __extendhfsf and __truncsfhf
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`-
(_, "linux" | "macos") => true,
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``
`-
// Almost all OSs besides Linux and MacOS are missing symbols until compiler-builtins can
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`-
// be updated. https://github.com/rust-lang/rust/pull/125016 will get some of these, the
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``
`-
// next CB update should get the rest.
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``
`-
_ => false,
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`+
("sparc" | "sparc64", _) => false,
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`+
("wasm32" | "wasm64", _) => false,
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`` +
// f16 support only requires that symbols converting to and from f32 are available. We
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`` +
// provide these in compiler-builtins, so f16 should be available on all platforms that
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// do not have other ABI issues or LLVM crashes.
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_ => true,
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`};
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``
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`let has_reliable_f128 = match (target_arch.as_str(), target_os.as_str()) {
`