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[ARM] PR rtl-optimization/69904: Disallow copying/duplicating of load-exclusive opera...
authorKyrylo Tkachov <kyrylo.tkachov@arm.com>
Thu, 3 Mar 2016 17:25:43 +0000 (17:25 +0000)
committerKyrylo Tkachov <ktkachov@gcc.gnu.org>
Thu, 3 Mar 2016 17:25:43 +0000 (17:25 +0000)
commit0ba3bfa2b04d68ab9c727bdf1331b87919084d7c
treefbf3a3d4d054812982ca8f98dfaa6f1efc5efe20tree
parent97ecdb46b1261d34e015df1f6eff20e069ca9bbfcommit | diff
[ARM] PR rtl-optimization/69904: Disallow copying/duplicating of load-exclusive operations

PR rtl-optimization/69904
* config/arm/arm.c (arm_cannot_copy_insn_p):
Return true for load-exclusive instructions.

* gcc.target/arm/pr69904.c: New test.

From-SVN: r233941
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gcc/testsuite/gcc.target/arm/pr69904.c [new file with mode: 0644] blob