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| author | Eric Botcazou <ebotcazou@adacore.com> | 2019-03-11 11:37:46 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2019-03-11 11:37:46 +0000 |
| commit | cb90c0014070f4ace5bb88258b31c1d654162306 (patch) | |
| tree | 67e4547921b424a18aea9fc7f615bce6bcb2d254 /gcc/loop-unroll.c | |
| parent | 03001a351528a1fc35bfe0c70deb08c7e18d314b (diff) | |
| download | gcc-cb90c0014070f4ace5bb88258b31c1d654162306.zip gcc-cb90c0014070f4ace5bb88258b31c1d654162306.tar.gz gcc-cb90c0014070f4ace5bb88258b31c1d654162306.tar.bz2 | |
re PR rtl-optimization/89588 (ICE in unroll_loop_constant_iterations, at loop-unroll.c:498)
PR rtl-optimization/89588
* loop-unroll.c (decide_unroll_constant_iterations): Make guard for
explicit unrolling factor more robust.
From-SVN: r269579
Diffstat (limited to 'gcc/loop-unroll.c')
| -rw-r--r-- | gcc/loop-unroll.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/loop-unroll.c b/gcc/loop-unroll.c index cbc6673..0164762 100644 --- a/gcc/loop-unroll.c +++ b/gcc/loop-unroll.c @@ -400,7 +400,7 @@ decide_unroll_constant_iterations (struct loop *loop, int flags) { /* However we cannot unroll completely at the RTL level a loop with constant number of iterations; it should have been peeled instead. */ - if ((unsigned) loop->unroll - 1 > desc->niter - 2) + if ((unsigned) loop->unroll > desc->niter - 1) { if (dump_file) fprintf (dump_file, ";; Loop should have been peeled\n"); |