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Pass some more args by reference in select.cc

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Before this patch, the code passed around std::string objects by
value. It's probably not a hot-spot, but it can't hurt to avoid the
copying.

Removing the copy and clean-up code means the resulting code is ~6.1kb
smaller when compiled with GCC 9.3 and standard settings.
This commit is contained in:
Rupert Swarbrick 2020-05-26 11:41:32 +01:00
parent 061d1f0c07
commit d681c9df85
2 changed files with 8 additions and 8 deletions
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2
kernel/register.h
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@ -125,7 +125,7 @@ struct Backend : Pass
};
// implemented in passes/cmds/select.cc
extern void handle_extra_select_args(Pass *pass, std::vector<std::string> args, size_t argidx, size_t args_size, RTLIL::Design *design);
extern void handle_extra_select_args(Pass *pass, const std::vector<std::string> &args, size_t argidx, size_t args_size, RTLIL::Design *design);
extern RTLIL::Selection eval_select_args(const vector<string> &args, RTLIL::Design *design);
extern void eval_select_op(vector<RTLIL::Selection> &work, const string &op, RTLIL::Design *design);