rust_for_linux: -Zreg-struct-return commandline flag for X86 (#116973)
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15 changed files with 279 additions and 4 deletions
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@ -1985,6 +1985,9 @@ options! {
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"enable queries of the dependency graph for regression testing (default: no)"),
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randomize_layout: bool = (false, parse_bool, [TRACKED],
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"randomize the layout of types (default: no)"),
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reg_struct_return: bool = (false, parse_bool, [TRACKED],
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"On x86-32 targets, it overrides the default ABI to return small structs in registers.
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It is UNSOUND to link together crates that use different values for this flag!"),
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regparm: Option<u32> = (None, parse_opt_number, [TRACKED],
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"On x86-32 targets, setting this to N causes the compiler to pass N arguments \
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in registers EAX, EDX, and ECX instead of on the stack for\
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