Messages in this thread | | | Date | Thu, 4 Dec 2014 14:25:21 -0800 | From | josh@joshtrip ... | Subject | Re: tinyconfig x86-32 vmlinux sizes by gcc compiler version |
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On Thu, Dec 04, 2014 at 01:32:59PM -0800, Joe Perches wrote: > Just fyi. > > At least for x86-32, it seems later versions of gcc > are producing smaller images. > > $ size vmlinux.* > text data bss dec hex filename > 657725 118496 1189040 1965261 1dfccd vmlinux.4.4 > 633563 118528 1189448 1941539 1da023 vmlinux.4.6 > 633277 118496 1189592 1941365 1d9f75 vmlinux.4.7 > 632299 121120 1192784 1946203 1db25b vmlinux.4.9
I would certainly hope that GCC's -Os gets better over time. However, I find the increase in data/bss and thus overall size in 4.9 concerning. Any idea what that comes from?
- Josh Triplett
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