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author | Stephane Carrez <stcarrez@worldnet.fr> | 1999-10-14 12:23:10 +0200 |
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committer | Jeff Law <law@gcc.gnu.org> | 1999-10-14 04:23:10 -0600 |
commit | b7fd6635f6df825d588b765bba2342d20e968ba0 (patch) | |
tree | 3e66b11d2969cd0764491a44dd55fd1b54c6419a /gcc | |
parent | 9180cca3e10d1001bd99afb8a2544405d688d2e5 (diff) | |
download | gcc-b7fd6635f6df825d588b765bba2342d20e968ba0.zip gcc-b7fd6635f6df825d588b765bba2342d20e968ba0.tar.gz gcc-b7fd6635f6df825d588b765bba2342d20e968ba0.tar.bz2 |
* gcc.c-torture/execute/991014-1.c: New test.
From-SVN: r29970
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/991014-1.c | 50 |
2 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e6db32a..b5a9bf2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +Thu Oct 14 04:22:47 1999 Stephane Carrez <stcarrez@worldnet.fr> + + * gcc.c-torture/execute/991014-1.c: New test. + Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk> * g++.old-deja/g++.other/union2.C: New test. diff --git a/gcc/testsuite/gcc.c-torture/execute/991014-1.c b/gcc/testsuite/gcc.c-torture/execute/991014-1.c new file mode 100644 index 0000000..7b1b5fa --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/991014-1.c @@ -0,0 +1,50 @@ + +typedef typeof(sizeof(char)) Size_t; + +#define bufsize ((1L << (8 * sizeof(Size_t) - 2))-256) + +struct huge_struct +{ + short buf[bufsize]; + int a; + int b; + int c; + int d; +}; + +union huge_union +{ + int a; + char buf[bufsize]; +}; + +unsigned long union_size() +{ + return sizeof(union huge_union); +} + +unsigned long struct_size() +{ + return sizeof(struct huge_struct); +} + +unsigned long struct_a_offset() +{ + return (unsigned long)(&((struct huge_struct *) 0)->a); +} + +int main() +{ + /* Check the exact sizeof value. bufsize is aligned on 256b. */ + if (union_size() != sizeof(char) * bufsize) + abort(); + + if (struct_size() != sizeof(short) * bufsize + 4*sizeof(int)) + abort(); + + if (struct_a_offset() < sizeof(short) * bufsize) + abort(); + + return 0; +} + |