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| author | Ilya Enkovich <enkovich.gnu@gmail.com> | 2015-12-08 07:16:04 +0000 |
|---|---|---|
| committer | Ilya Enkovich <ienkovich@gcc.gnu.org> | 2015-12-08 07:16:04 +0000 |
| commit | dc9604d432eb8fd23e9371cfe4016237b4ec1449 (patch) | |
| tree | 6c615ae7a6f18ff469e3b407dca5ef968f13fde0 /gcc | |
| parent | 27d815b2367e440d9e1e234cfca2fe1ec45b85e1 (diff) | |
| download | gcc-dc9604d432eb8fd23e9371cfe4016237b4ec1449.zip gcc-dc9604d432eb8fd23e9371cfe4016237b4ec1449.tar.gz gcc-dc9604d432eb8fd23e9371cfe4016237b4ec1449.tar.bz2 | |
re PR tree-optimization/68766 (internal compiler error: in expand_LOOP_VECTORIZED, at internal-fn.c:1905)
gcc/
PR tree-optimization/68766
* tree-vectorizer.c (vectorize_loops): Check for
if-converted loops when debug counters are used.
gcc/testsuite/
PR tree-optimization/68766
* gcc.dg/pr68766.c: New test.
From-SVN: r231395
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr68766.c | 19 | ||||
| -rw-r--r-- | gcc/tree-vectorizer.c | 8 |
4 files changed, 37 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 858d2b8..de4cdef 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-08 Ilya Enkovich <enkovich.gnu@gmail.com> + + PR tree-optimization/68766 + * tree-vectorizer.c (vectorize_loops): Check for + if-converted loops when debug counters are used. + 2015-12-07 DJ Delorie <dj@redhat.com> * config/rl78/constraints.md (Wfr): Change to be a non-memory diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fec47e1..7feb510 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-12-08 Ilya Enkovich <enkovich.gnu@gmail.com> + + PR tree-optimization/68766 + * gcc.dg/pr68766.c: New test. + 2015-12-07 Eric Botcazou <ebotcazou@adacore.com> * gcc.target/sparc/struct-ret-check.c: Rename to... diff --git a/gcc/testsuite/gcc.dg/pr68766.c b/gcc/testsuite/gcc.dg/pr68766.c new file mode 100644 index 0000000..a0d549b --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr68766.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -fdbg-cnt=vect_loop:1" } */ +/* { dg-additional-options "-mavx2" { target { i?86-*-* x86_64-*-* } } } */ +/* { dg-prune-output "dbg_cnt 'vect_loop' set to 1" } */ + +int a, b, g, h; +int c[58]; +int d[58]; +int fn1() { + for (; g; g++) + if (a) + c[g] = b; +} + +int fn2() { + fn1(); + for (; h; h++) + d[h] = 0; +} diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index b721c56..c496c4b 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -536,7 +536,13 @@ vectorize_loops (void) continue; if (!dbg_cnt (vect_loop)) - break; + { + /* We may miss some if-converted loops due to + debug counter. Set any_ifcvt_loops to visit + them at finalization. */ + any_ifcvt_loops = true; + break; + } gimple *loop_vectorized_call = vect_loop_vectorized_call (loop); if (loop_vectorized_call) |