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backport: re PR target/62642 (x86 rdtsc is moved through barrier)
authorJakub Jelinek <jakub@redhat.com>
Fri, 12 Jun 2015 11:54:43 +0000 (13:54 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Fri, 12 Jun 2015 11:54:43 +0000 (13:54 +0200)
commitf310ad015b87353cad60b4a6d6f74e20267a5612
treed37a931c58e75b960fb35d95414aaa6b801f21fftree
parent9f466c6593dea0fe54f2ca6204dceaec0bd189facommit | diff
backport: re PR target/62642 (x86 rdtsc is moved through barrier)

Backported from mainline
2014-12-15  Vladimir Makarov  <vmakarov@redhat.com>

PR target/62642
* ira.c (rtx_moveable_p): Prevent UNSPEC_VOLATILE moves.

From-SVN: r224420
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