diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2011-03-25 18:45:13 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-03-25 18:45:13 +0100 |
| commit | 756cca61a7faddcafa582d683b46f32280eda948 (patch) | |
| tree | 84901288d159ddbf8d43fda16b078e54262e0549 /arch/mips | |
| parent | MIPS: Enable ARCH_DMA_ADDR_T_64BIT if (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT (diff) | |
| download | linux-756cca61a7faddcafa582d683b46f32280eda948.tar.xz linux-756cca61a7faddcafa582d683b46f32280eda948.zip | |
MIPS: Microoptimize arch_{read,write}_lock
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/spinlock.h | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 396e402fbe2c..ca61e846ab0f 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -245,16 +245,16 @@ static inline void arch_read_lock(arch_rwlock_t *rw) __asm__ __volatile__( " .set noreorder # arch_read_lock \n" "1: ll %1, %2 \n" - " bltz %1, 2f \n" + " bltz %1, 3f \n" " addu %1, 1 \n" - " sc %1, %0 \n" + "2: sc %1, %0 \n" " beqz %1, 1b \n" " nop \n" " .subsection 2 \n" - "2: ll %1, %2 \n" - " bltz %1, 2b \n" + "3: ll %1, %2 \n" + " bltz %1, 3b \n" " addu %1, 1 \n" - " b 1b \n" + " b 2b \n" " nop \n" " .previous \n" " .set reorder \n" @@ -324,16 +324,16 @@ static inline void arch_write_lock(arch_rwlock_t *rw) __asm__ __volatile__( " .set noreorder # arch_write_lock \n" "1: ll %1, %2 \n" - " bnez %1, 2f \n" + " bnez %1, 3f \n" " lui %1, 0x8000 \n" - " sc %1, %0 \n" - " beqz %1, 2f \n" + "2: sc %1, %0 \n" + " beqz %1, 3f \n" " nop \n" " .subsection 2 \n" - "2: ll %1, %2 \n" - " bnez %1, 2b \n" + "3: ll %1, %2 \n" + " bnez %1, 3b \n" " lui %1, 0x8000 \n" - " b 1b \n" + " b 2b \n" " nop \n" " .previous \n" " .set reorder \n" |