r243092 - in /trunk/gcc: ChangeLog combine.c te...
segher@gcc.gnu.org
segher@gcc.gnu.org
Thu Dec 1 02:04:00 GMT 2016
Author: segher
Date: Thu Dec 1 02:04:10 2016
New Revision: 243092
URL: https://gcc.gnu.org/viewcvs?rev=243092&root=gcc&view=rev
Log:
combine: Emit a barrier after unconditional trap (PR78607)
After an unconditional trap there should be a barrier. In most cases
one is automatically inserted, but not if the trap is the final insn in
the instruction stream. We need to emit one explicitly.
PR rtl-optimization/78607
* combine.c (try_combine): Emit a barrier after a unconditional trap.
gcc/testsuite/
PR rtl-optimization/78607
* gcc.c-torture/compile/pr78607.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr78607.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
trunk/gcc/testsuite/ChangeLog
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