http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55073



--- Comment #13 from Eric Batut <eric.batut at allegorithmic dot com> 
2012-11-30 16:16:36 UTC ---

Richard,



After a clean checkout of gcc's trunk and of the Android NDK r8b package and

tools, I rebuilt arm-linux-androideabi-gcc on a Ubuntu VM using gcc 4.5.1. I

then rebuilt my testcase with "-O1" and "-O1 -fno-dse", and the same difference

is there: d19 and d21 are used as sources for the two vmovl.s8 instead of d18

and d20.



I attach a new tarball with the (very slightly) modified source I am using, the

two assembly files that are generated, and the two binary files (they should

run on any Android device, no fancy stuff here). Could you please use your

local build of gcc to generate the same assembly files so that we can compare

the function bodies?



Best Regards,

Eric

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