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| author | Richard Henderson <rth@redhat.com> | 2005-10-06 01:41:47 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2005-10-06 01:41:47 -0700 |
| commit | 5872662b0b0cc334e777f97950c422d906925abc (patch) | |
| tree | d1913967ded94d597e0e5a0d02483cb68dbbe9ab /gcc | |
| parent | d6b27b56a238b4345b54627d5ee41c85adf05ea1 (diff) | |
| download | gcc-5872662b0b0cc334e777f97950c422d906925abc.zip gcc-5872662b0b0cc334e777f97950c422d906925abc.tar.gz gcc-5872662b0b0cc334e777f97950c422d906925abc.tar.bz2 | |
re PR middle-end/24049 (compiler error: Segmentation fault In function 'DESX_CBCUpdate')
PR 24049
* passes.c (init_optimization_passes): Move pass_lower_vector_ssa
under pass_vectorize. Clear TODO_ggc_collect from the dce pass
under pass_vectorize.
From-SVN: r105029
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/passes.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr24049.c | 10 |
3 files changed, 23 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1ef72bc..30d4aff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2005-10-06 Richard Henderson <rth@redhat.com> + + PR 24049 + * passes.c (init_optimization_passes): Move pass_lower_vector_ssa + under pass_vectorize. Clear TODO_ggc_collect from the dce pass + under pass_vectorize. + 2005-10-05 Devang Patel <dpatel@apple.com> PR Debug/23205 diff --git a/gcc/passes.c b/gcc/passes.c index b03eae3..daa752e 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -588,14 +588,19 @@ init_optimization_passes (void) /* NEXT_PASS (pass_may_alias) cannot be done again because the vectorizer creates alias relations that are not supported by pass_may_alias. */ - NEXT_PASS (pass_lower_vector_ssa); NEXT_PASS (pass_complete_unroll); NEXT_PASS (pass_iv_optimize); NEXT_PASS (pass_tree_loop_done); *p = NULL; p = &pass_vectorize.sub; + NEXT_PASS (pass_lower_vector_ssa); + /* ??? The loop optimizers are not GC safe. See PR 21805. + Turn off GC while registering this pass. */ + pass_dce.todo_flags_finish &= ~TODO_ggc_collect; NEXT_PASS (pass_dce); + pass_dce.todo_flags_finish |= TODO_ggc_collect; + gcc_assert (p != &pass_dce.next); *p = NULL; p = &pass_loop2.sub; diff --git a/gcc/testsuite/gcc.dg/vect/pr24049.c b/gcc/testsuite/gcc.dg/vect/pr24049.c new file mode 100644 index 0000000..ee03fe3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr24049.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -ftree-vectorize --param ggc-min-heapsize=0 --param ggc-min-expand=0" } */ + +int DES_CBCUpdate(unsigned char * output, int len) +{ + int work[2]; + unsigned int i; + for(i = 0;i < len/8;i++) + unscrunch (&output[8*i], work); +} |