eal/arm: fix build with clang

Fixed warning -Wasm-operand-widths seen with armv8a
clang compilation.

Signed-off-by: Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
Reviewed-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

diff --git a/lib/librte_eal/common/include/arch/arm/rte_byteorder.h b/lib/librte_eal/common/include/arch/arm/rte_byteorder.h
index 1b312b3..0a29f4b 100644 (file)
--- a/lib/librte_eal/common/include/arch/arm/rte_byteorder.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_byteorder.h
@@ -52,7 +52,7 @@ static inline uint16_t rte_arch_bswap16(uint16_t _x)
 {
        register uint16_t x = _x;
 
-       asm volatile ("rev16 %0,%1"
+       asm volatile ("rev16 %w0,%w1"
                      : "=r" (x)
                      : "r" (x)
                      );