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| author | Jakub Jelinek <jakub@redhat.com> | 2006-10-30 09:01:28 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2006-10-30 09:01:28 +0100 |
| commit | cc59abbf350bb3ada6b6255dd5f047b3c904d81d (patch) | |
| tree | 7a07dff5c74eee4bffb4874c3fbefe85e870f507 /gcc | |
| parent | 5fbd2051394849190af02e40fe987839f7ef6eb9 (diff) | |
| download | gcc-cc59abbf350bb3ada6b6255dd5f047b3c904d81d.zip gcc-cc59abbf350bb3ada6b6255dd5f047b3c904d81d.tar.gz gcc-cc59abbf350bb3ada6b6255dd5f047b3c904d81d.tar.bz2 | |
re PR tree-optimization/29637 (Endless recursion in make_vector_type)
PR tree-optimization/29637
* tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
of the innertype is the innertype itself.
* gcc.dg/pr29637.c: New test.
From-SVN: r118175
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr29637.c | 23 | ||||
| -rw-r--r-- | gcc/tree.c | 3 |
4 files changed, 36 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index def4fca..abcdece 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-10-30 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/29637 + * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT + of the innertype is the innertype itself. + 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net> * dwarf2out.c (file_name_acquire): Correct typo. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1d44a4c..3d10494 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-10-30 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/29637 + * gcc.dg/pr29637.c: New test. + 2006-10-29 Roger Sayle <roger@eyesopen.com> * gcc.dg/fold-compare-1.c: Update to reflect recent changes in diff --git a/gcc/testsuite/gcc.dg/pr29637.c b/gcc/testsuite/gcc.dg/pr29637.c new file mode 100644 index 0000000..5dfee41 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr29637.c @@ -0,0 +1,23 @@ +/* PR tree-optimization/29637 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize" } */ + +typedef struct __attribute__ ((aligned (8))) +{ + short a, b, c, d; +} A; + +typedef struct +{ + A a[24]; +} B; + +static const A b = { 0, 0, 1, -1 }; + +void +foo (B *x) +{ + int i; + for (i = 0; i <= 20; i += 4) + x->a[i] = b; +} @@ -6400,7 +6400,8 @@ make_vector_type (tree innertype, int nunits, enum machine_mode mode) /* Build a main variant, based on the main variant of the inner type, then use it to build the variant we return. */ - if (TYPE_ATTRIBUTES (innertype) || TYPE_QUALS (innertype)) + if ((TYPE_ATTRIBUTES (innertype) || TYPE_QUALS (innertype)) + && TYPE_MAIN_VARIANT (innertype) != innertype) return build_type_attribute_qual_variant ( make_vector_type (TYPE_MAIN_VARIANT (innertype), nunits, mode), TYPE_ATTRIBUTES (innertype), |