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re PR tree-optimization/69196 (code size regression with jump threading at -O2)
authorJeff Law <law@redhat.com>
Tue, 1 Mar 2016 23:12:10 +0000 (16:12 -0700)
committerJeff Law <law@gcc.gnu.org>
Tue, 1 Mar 2016 23:12:10 +0000 (16:12 -0700)
commiteab2541b860c48203115ac6dca3284e982015d2c
tree48b5cf44ccfa93c5f48324a74c4d329401120df3tree
parent0bca04b822bc5ee0f5bbb2ba5df6669a433d0bf5commit | diff
re PR tree-optimization/69196 (code size regression with jump threading at -O2)

PR tree-optimization/69196
* tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
Appropriately clamp the number of statements to copy when the
thread path does not traverse a loop backedge.

PR tree-optimization/69196
* gcc.dg/tree-ssa/pr69196.c: New test.

From-SVN: r233870
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/pr69196-1.c [new file with mode: 0644] blob
gcc/tree-ssa-threadbackward.c diff | blob | history