[dpdk-dev] [PATCH v3 2/4] arm: detect NEON cpu feature by checking __ARM_NEON

2016-03-20 Thread Jerin Jacob
On Sat, Mar 19, 2016 at 08:58:03PM +0100, Jan Viktorin wrote: > The __ARM_NEON declares that the arm_neon.h is available which is not true for > the __ARM_NEON_FP. The __ARM_NEON_FP is not provided by aarch64 gcc. It depends on specific aarch64 compiler builds. Some aarch64 gcc versions do provide

[dpdk-dev] [PATCH v3 2/4] arm: detect NEON cpu feature by checking __ARM_NEON

2016-03-19 Thread Jan Viktorin
The __ARM_NEON declares that the arm_neon.h is available which is not true for the __ARM_NEON_FP. The __ARM_NEON_FP is not provided by aarch64 gcc. $ arm-linux-gnueabi-gcc -dM -E - < /dev/null | grep "_FP\|_NEON" #define __ARM_FP 12 #define __ARM_NEON_FP 4 #define __VFP_FP__ 1 $ arm-linux-g