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| author | Uros Bizjak <ubizjak@gmail.com> | 2010-03-27 14:40:08 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2010-03-27 14:40:08 +0100 |
| commit | fb6807b860ac9bdb2cb345a43b9c3bf398aca013 (patch) | |
| tree | 5a1ae82114fa77231dcb17d53972ed4cd313b459 | |
| parent | a9deb2560c097bfe2484127ee09342a128835061 (diff) | |
| download | gcc-fb6807b860ac9bdb2cb345a43b9c3bf398aca013.zip gcc-fb6807b860ac9bdb2cb345a43b9c3bf398aca013.tar.gz gcc-fb6807b860ac9bdb2cb345a43b9c3bf398aca013.tar.bz2 | |
re PR tree-optimization/43528 (ICE: in tree_low_cst, at tree.c:6198 with -mms-bitfields at x86_64-linux)
PR tree-optimization/43528
* stor-layout.c (place_field): Check that constant fits into
unsigned HWI when skipping calculation of MS bitfield layout.
testsuite/ChangeLog:
PR tree-optimization/43528
* gcc.target/i386/pr43528.c: New test.
From-SVN: r157776
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/stor-layout.c | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr43528.c | 5 |
4 files changed, 21 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d4f4488..393e753 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-03-27 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/43528 + * stor-layout.c (place_field): Check that constant fits into + unsigned HWI when skipping calculation of MS bitfield layout. + 2010-03-27 Jan Hubicka <jh@suse.cz> PR middle-end/43391 diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 1806c12..18c74cb 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -1346,11 +1346,12 @@ place_field (record_layout_info rli, tree field) until we see a bitfield (and come by here again) we just skip calculating it. */ if (DECL_SIZE (field) != NULL - && host_integerp (TYPE_SIZE (TREE_TYPE (field)), 0) - && host_integerp (DECL_SIZE (field), 0)) + && host_integerp (TYPE_SIZE (TREE_TYPE (field)), 1) + && host_integerp (DECL_SIZE (field), 1)) { - HOST_WIDE_INT bitsize = tree_low_cst (DECL_SIZE (field), 1); - HOST_WIDE_INT typesize + unsigned HOST_WIDE_INT bitsize + = tree_low_cst (DECL_SIZE (field), 1); + unsigned HOST_WIDE_INT typesize = tree_low_cst (TYPE_SIZE (TREE_TYPE (field)), 1); if (typesize < bitsize) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 01c513b..51cfa8b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-03-27 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/43528 + * gcc.target/i386/pr43528.c: New test. + 2010-03-26 Joseph Myers <joseph@codesourcery.com> PR c/43381 diff --git a/gcc/testsuite/gcc.target/i386/pr43528.c b/gcc/testsuite/gcc.target/i386/pr43528.c new file mode 100644 index 0000000..f33d96b --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr43528.c @@ -0,0 +1,5 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target lp64 } */ +/* { dg-options "-mms-bitfields" } */ + +struct S { int i[(1LL << 60) - 1]; }; |