Replace __attribute_pure__ with __pure

To be consistent with the use of attributes in the rest of the kernel
replace all use of __attribute_pure__ with __pure and delete the definition
of __attribute_pure__.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/nwfpe/fpopcode.h b/arch/arm/nwfpe/fpopcode.h
index ec78e35..0090b19 100644
--- a/arch/arm/nwfpe/fpopcode.h
+++ b/arch/arm/nwfpe/fpopcode.h
@@ -369,20 +369,20 @@
 #define getRoundingMode(opcode)		((opcode & MASK_ROUNDING_MODE) >> 5)
 
 #ifdef CONFIG_FPE_NWFPE_XP
-static inline __attribute_pure__ floatx80 getExtendedConstant(const unsigned int nIndex)
+static inline floatx80 __pure getExtendedConstant(const unsigned int nIndex)
 {
 	extern const floatx80 floatx80Constant[];
 	return floatx80Constant[nIndex];
 }
 #endif
 
-static inline __attribute_pure__ float64 getDoubleConstant(const unsigned int nIndex)
+static inline float64 __pure getDoubleConstant(const unsigned int nIndex)
 {
 	extern const float64 float64Constant[];
 	return float64Constant[nIndex];
 }
 
-static inline __attribute_pure__ float32 getSingleConstant(const unsigned int nIndex)
+static inline float32 __pure getSingleConstant(const unsigned int nIndex)
 {
 	extern const float32 float32Constant[];
 	return float32Constant[nIndex];