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Subject[PATCH] x86: drop REG_OUT macro from hweight functions
Output register is always RAX/EAX.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

arch/x86/include/asm/arch_hweight.h | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

--- a/arch/x86/include/asm/arch_hweight.h
+++ b/arch/x86/include/asm/arch_hweight.h
@@ -6,10 +6,8 @@

#ifdef CONFIG_64BIT
#define REG_IN "D"
-#define REG_OUT "a"
#else
#define REG_IN "a"
-#define REG_OUT "a"
#endif

static __always_inline unsigned int __arch_hweight32(unsigned int w)
@@ -17,7 +15,7 @@ static __always_inline unsigned int __arch_hweight32(unsigned int w)
unsigned int res;

asm (ALTERNATIVE("call __sw_hweight32", "popcntl %1, %0", X86_FEATURE_POPCNT)
- : "="REG_OUT (res)
+ : "=a" (res)
: REG_IN (w));

return res;
@@ -45,7 +43,7 @@ static __always_inline unsigned long __arch_hweight64(__u64 w)
unsigned long res;

asm (ALTERNATIVE("call __sw_hweight64", "popcntq %1, %0", X86_FEATURE_POPCNT)
- : "="REG_OUT (res)
+ : "=a" (res)
: REG_IN (w));

return res;
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