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| author | Uros Bizjak <uros@gcc.gnu.org> | 2007-09-07 12:17:46 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2007-09-07 12:17:46 +0200 |
| commit | b616a16e1a5ea4e8ea62b5ed5690b428d9393e58 (patch) | |
| tree | 86bc2a69e632746478df68506829ec6c7eb1f74b | |
| parent | c664bb1b461cfee89b2e9b65c5fe827f3da40173 (diff) | |
| download | gcc-b616a16e1a5ea4e8ea62b5ed5690b428d9393e58.zip gcc-b616a16e1a5ea4e8ea62b5ed5690b428d9393e58.tar.gz gcc-b616a16e1a5ea4e8ea62b5ed5690b428d9393e58.tar.bz2 | |
re PR tree-optimization/32821 (tree-if-conv:combine_blocks with -ftree-dump-tree-all-details fails on ICE in compilation: segfault)
PR tree-optimization/32821
* tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
NULL in the call to set_bb_stmt_list.
testsuite/ChangeLog:
PR tree-optimization/32821
* gcc.dg/tree-ssa/pr32821.c: New file.
From-SVN: r128235
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr32821.c | 15 | ||||
| -rw-r--r-- | gcc/tree-if-conv.c | 2 |
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e5a2363..7ae6007 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2007-09-07 Richard Guenther <rguenther@suse.de> + Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32821 + * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of + NULL in the call to set_bb_stmt_list. + 2007-09-07 Richard Sandiford <richard@codesourcery.com> * config/mips/mips.c (build_mips16_call_stub): Emit all direct diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0781fb1..c9dc15f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-09-07 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/32821 + * gcc.dg/tree-ssa/pr32821.c: New file. + 2007-09-07 Richard Sandiford <richard@codesourcery.com> * gcc.dg/attr-alias-3.c: Use real asm for MIPS. diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr32821.c b/gcc/testsuite/gcc.dg/tree-ssa/pr32821.c new file mode 100644 index 0000000..2195739 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr32821.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-ifcvt-details" } */ + +void +main1 (int *arr, int n, int a, int b) +{ + int i; + for (i = 0; i < n; i++) + { + int m = arr[i]; + arr[i] = (m < a ? m - a : b); + } +} + +/* { dg-final { cleanup-tree-dump "ifcvt" } } */ diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c index 289da6e..f97c23d 100644 --- a/gcc/tree-if-conv.c +++ b/gcc/tree-if-conv.c @@ -985,7 +985,7 @@ combine_blocks (struct loop *loop) /* Update stmt list. */ last = tsi_last (bb_stmt_list (merge_target_bb)); tsi_link_after (&last, bb_stmt_list (bb), TSI_NEW_STMT); - set_bb_stmt_list (bb, NULL); + set_bb_stmt_list (bb, alloc_stmt_list()); delete_basic_block (bb); } |