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Add lp64e RISC-V ABI #132354

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merged 3 commits into from
Oct 31, 2024
Merged

Add lp64e RISC-V ABI #132354

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167350d
Add `lp64e` RISC-V ABI
koute Oct 30, 2024
44b720a
Add a comment about `lp64e` still being unstable
koute Oct 31, 2024
c1db011
Add `lp64e` ABI to the spec tests match
koute Oct 31, 2024
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3 changes: 2 additions & 1 deletion compiler/rustc_codegen_ssa/src/back/metadata.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -325,7 +325,8 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
"" | "ilp32" | "lp64" => (),
"ilp32f" | "lp64f" => e_flags |= elf::EF_RISCV_FLOAT_ABI_SINGLE,
"ilp32d" | "lp64d" => e_flags |= elf::EF_RISCV_FLOAT_ABI_DOUBLE,
"ilp32e" => e_flags |= elf::EF_RISCV_RVE,
// Note that the `lp64e` is still unstable as it's not (yet) part of the ELF psABI.
"ilp32e" | "lp64e" => e_flags |= elf::EF_RISCV_RVE,
_ => bug!("unknown RISC-V ABI name"),
}

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3 changes: 2 additions & 1 deletion compiler/rustc_target/src/spec/tests/tests_impl.rs
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Expand Up @@ -165,7 +165,8 @@ impl Target {
assert_matches!(&*self.llvm_abiname, "ilp32" | "ilp32f" | "ilp32d" | "ilp32e")
}
"riscv64" => {
assert_matches!(&*self.llvm_abiname, "lp64" | "lp64f" | "lp64d" | "lp64q")
// Note that the `lp64e` is still unstable as it's not (yet) part of the ELF psABI.
assert_matches!(&*self.llvm_abiname, "lp64" | "lp64f" | "lp64d" | "lp64q" | "lp64e")
}
_ => {}
}
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