[PATCH v2 2/3] lpm: use rte macro instead of GCC attribute

[Tyler Retzlaff <roretzla@linux.microsoft.com>]

Use newly added __rte_pure macro from rte_common.h instead of directly
using __attribute__((pure)).

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Reviewed-by: Morten Brørup <mb@smartsharesystems.com>
---
 lib/lpm/rte_lpm.c  | 4 ++--
 lib/lpm/rte_lpm6.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/lpm/rte_lpm.c b/lib/lpm/rte_lpm.c
index 9633d63..a5c9e7c 100644
--- a/lib/lpm/rte_lpm.c
+++ b/lib/lpm/rte_lpm.c
@@ -85,7 +85,7 @@ struct __rte_lpm {
  * depth  (IN)		: range = 1 - 32
  * mask   (OUT)		: 32bit mask
  */
-static uint32_t __attribute__((pure))
+static uint32_t __rte_pure
 depth_to_mask(uint8_t depth)
 {
 	VERIFY_DEPTH(depth);
@@ -99,7 +99,7 @@ static uint32_t __attribute__((pure))
 /*
  * Converts given depth value to its corresponding range value.
  */
-static uint32_t __attribute__((pure))
+static uint32_t __rte_pure
 depth_to_range(uint8_t depth)
 {
 	VERIFY_DEPTH(depth);
diff --git a/lib/lpm/rte_lpm6.c b/lib/lpm/rte_lpm6.c
index 271bc48..2bdd540 100644
--- a/lib/lpm/rte_lpm6.c
+++ b/lib/lpm/rte_lpm6.c
@@ -1127,7 +1127,7 @@ struct rte_lpm6 *
  * Convert a depth to a one byte long mask
  *   Example: 4 will be converted to 0xF0
  */
-static uint8_t __attribute__((pure))
+static uint8_t __rte_pure
 depth_to_mask_1b(uint8_t depth)
 {
 	/* To calculate a mask start with a 1 on the left hand side and right
-- 
1.8.3.1