[Bug target/46127] Use 16bit add instead of 32bit in thumb2

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46127

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|4.6.1                       |---