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author | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
commit | df62c1c110e8532b995b23540b7e3695729c0779 (patch) | |
tree | dbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2 toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip |
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c')
-rw-r--r-- | gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c b/gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c new file mode 100644 index 000000000..f27c22361 --- /dev/null +++ b/gcc-4.3.1/libmudflap/testsuite/libmudflap.c/pass23-frag.c @@ -0,0 +1,29 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +int main () +{ +struct foo { + int part1: 8; + int nothing : 1; + int part2 : 5; + int lots_more_nothing : 3; + int some_padding; /* for 64-bit hosts */ + float some_more_nothing; + double yet_more_nothing; +}; + +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) + +struct foo* q = (struct foo *) malloc (offsetof (struct foo, some_more_nothing)); +q->nothing = 1; /* touch q */ +/* The RHS of the following expression is meant to trigger a + fold-const.c mapping the expression to a BIT_FIELD_REF. It glues + together the accesses to the two non-neighbouring bitfields into a + single bigger boolean test. */ +q->lots_more_nothing = (q->part1 == 13 && q->part2 == 7); +free (q); + + +return 0; +} |