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re PR rtl-optimization/84123 (internal compiler error: in gen_rtx_SUBREG, at emit...
authorUros Bizjak <ubizjak@gmail.com>
Wed, 31 Jan 2018 21:37:54 +0000 (22:37 +0100)
committerUros Bizjak <uros@gcc.gnu.org>
Wed, 31 Jan 2018 21:37:54 +0000 (22:37 +0100)
commitc677f80adb4a075f3549a2aedde4ae9fdcb847c0
treefc05eda8994a1ab2310607e65f36f7dd87f8c4f3tree
parentc9243c043c06d0f8576ff4f76b92d41143d2fc2ecommit | diff
re PR rtl-optimization/84123 (internal compiler error: in gen_rtx_SUBREG, at emit-rtl.c:908, alpha linux.)

PR rtl-optimization/84123
* combine.c (change_zero_ext): Check if hard register satisfies
can_change_dest_mode before calling gen_lowpart_SUBREG.

From-SVN: r257270
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