[dpdk-dev] [PATCH] eal: force gcc to inline rte_movX function

Thomas Monjalon thomas at monjalon.net
Tue Apr 17 15:22:06 CEST 2018


12/04/2018 07:16, Junjie Chen:
> From: "Chen, Junjie" <junjie.j.chen at intel.com>
> 
> Sometimes gcc does not inline the function despite keyword *inline*,
> we obeserve rte_movX is not inline when doing performance profiling,
> so use *always_inline* keyword to force gcc to inline the function.
> 
> Signed-off-by: Chen, Junjie <junjie.j.chen at intel.com>
> ---
>  .../common/include/arch/x86/rte_memcpy.h           | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)

The title should start with "eal/x86:"
Something like that:
	eal/x86: force inlining of memcpy sub-functions

Bruce, Konstantin, any review of the content/optimization?




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