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Kernel: Change static constexpr variables to constexpr where possible

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Function-local `static constexpr` variables can be `constexpr`. This
can reduce memory consumption, binary size, and offer additional
compiler optimizations.

These changes result in a stripped x86_64 kernel binary size reduction
of 592 bytes.
This commit is contained in:
Lenny Maiorani 2022-02-09 11:33:39 -07:00 • committed by Linus Groh
parent 6a4c8a66ae
commit c6acf64558
11 changed files with 26 additions and 15 deletions
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9
Kernel/TTY/TTY.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -403,7 +404,7 @@ ErrorOr<void> TTY::set_termios(const termios& t)
StringView name;
};
static constexpr FlagDescription unimplemented_iflags[] = {
constexpr FlagDescription unimplemented_iflags[] = {
{ IGNBRK, "IGNBRK" },
{ BRKINT, "BRKINT" },
{ IGNPAR, "IGNPAR" },
@ -424,7 +425,7 @@ ErrorOr<void> TTY::set_termios(const termios& t)
}
}
static constexpr FlagDescription unimplemented_oflags[] = {
constexpr FlagDescription unimplemented_oflags[] = {
{ OLCUC, "OLCUC" },
{ ONOCR, "ONOCR" },
{ ONLRET, "ONLRET" },
@ -443,7 +444,7 @@ ErrorOr<void> TTY::set_termios(const termios& t)
rc = ENOTIMPL;
}
static constexpr FlagDescription unimplemented_cflags[] = {
constexpr FlagDescription unimplemented_cflags[] = {
{ CSTOPB, "CSTOPB" },
{ CREAD, "CREAD" },
{ PARENB, "PARENB" },
@ -458,7 +459,7 @@ ErrorOr<void> TTY::set_termios(const termios& t)
}
}
static constexpr FlagDescription unimplemented_lflags[] = {
constexpr FlagDescription unimplemented_lflags[] = {
{ TOSTOP, "TOSTOP" },
{ IEXTEN, "IEXTEN" }
};