Messages in this thread | | | Date | Thu, 4 Dec 2014 07:56:54 -0800 | Subject | Re: [PATCH] x86: bpf_jit_comp: simplify trivial boolean return | From | Alexei Starovoitov <> |
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On Thu, Dec 4, 2014 at 1:26 AM, Joe Perches <joe@perches.com> wrote: > On Thu, 2014-11-27 at 10:49 -0800, Joe Perches wrote: >> On Thu, 2014-11-27 at 12:25 +0000, David Laight wrote: >> > Why the change in data? >> >> btw: without gcov and using -O2 >> >> $ size arch/x86/net/bpf_jit_comp.o* >> text data bss dec hex filename >> 9671 4 0 9675 25cb arch/x86/net/bpf_jit_comp.o.new >> 10679 4 0 10683 29bb arch/x86/net/bpf_jit_comp.o.old > > Alexei? > > Is this 10% reduction in size a good reason to change the code?
yes. I believe you're seeing it with gcc 4.9. I wanted to double check what 4.6 and 4.7 are doing. If they're not suddenly increase code size then resubmit it for inclusion please.
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