The 1-bit shift rotation to the left on x variable located on
4 last if statement can be removed because the computed value is will
not be used afront.
Signed-off-by: Gustavo Pimentel <gustavo.pimen...@synopsys.com>
---
arch/arc/include/asm/bitops.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index 50eb3f6..8cddddc 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -297,10 +297,8 @@ static inline int constant_fls(unsigned int x)
x <<= 2;
r -= 2;
}
- if (!(x & 0x80000000u)) {
- x <<= 1;
+ if (!(x & 0x80000000u))
r -= 1;
- }
return r;
}
--
2.7.4
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
