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Message-ID: <87pnlvpp30.wl-ysato@users.sourceforge.jp>
Date: Sat, 27 Jul 2019 22:46:43 +0900
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sh: use __builtin_constant_p() directly instead of IS_IMMEDIATE()
On Tue, 23 Jul 2019 16:49:43 +0900,
Masahiro Yamada wrote:
>
> __builtin_constant_p(nr) is used everywhere now. It does not make
> much sense to define IS_IMMEDIATE() as its alias.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
> arch/sh/include/asm/bitops-op32.h | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/arch/sh/include/asm/bitops-op32.h b/arch/sh/include/asm/bitops-op32.h
> index 466880362ad1..cfe5465acce7 100644
> --- a/arch/sh/include/asm/bitops-op32.h
> +++ b/arch/sh/include/asm/bitops-op32.h
> @@ -16,11 +16,9 @@
> #define BYTE_OFFSET(nr) ((nr) % BITS_PER_BYTE)
> #endif
>
> -#define IS_IMMEDIATE(nr) (__builtin_constant_p(nr))
> -
> static inline void __set_bit(int nr, volatile unsigned long *addr)
> {
> - if (IS_IMMEDIATE(nr)) {
> + if (__builtin_constant_p(nr)) {
> __asm__ __volatile__ (
> "bset.b %1, @(%O2,%0) ! __set_bit\n\t"
> : "+r" (addr)
> @@ -37,7 +35,7 @@ static inline void __set_bit(int nr, volatile unsigned long *addr)
>
> static inline void __clear_bit(int nr, volatile unsigned long *addr)
> {
> - if (IS_IMMEDIATE(nr)) {
> + if (__builtin_constant_p(nr)) {
> __asm__ __volatile__ (
> "bclr.b %1, @(%O2,%0) ! __clear_bit\n\t"
> : "+r" (addr)
> @@ -64,7 +62,7 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr)
> */
> static inline void __change_bit(int nr, volatile unsigned long *addr)
> {
> - if (IS_IMMEDIATE(nr)) {
> + if (__builtin_constant_p(nr)) {
> __asm__ __volatile__ (
> "bxor.b %1, @(%O2,%0) ! __change_bit\n\t"
> : "+r" (addr)
> --
> 2.17.1
>
Applied sh-next.
Thanks.
--
Yosinori Sato
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