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| author | Christian Bruel <christian.bruel@st.com> | 2008-02-19 08:42:25 +0100 |
|---|---|---|
| committer | Christian Bruel <chrbr@gcc.gnu.org> | 2008-02-19 08:42:25 +0100 |
| commit | d9484c5ba90822bb7b53bdaca6d6b6de58a66282 (patch) | |
| tree | e53f7a3bff8138c54a8b441fb668c6e9a2320d54 /gcc | |
| parent | 0e93e1b4eea9bd6aca2380d0141345fea061aad8 (diff) | |
| download | gcc-d9484c5ba90822bb7b53bdaca6d6b6de58a66282.zip gcc-d9484c5ba90822bb7b53bdaca6d6b6de58a66282.tar.gz gcc-d9484c5ba90822bb7b53bdaca6d6b6de58a66282.tar.bz2 | |
test case for alignment bug in packed structs for STRICT_ALIGNMENT targets
From-SVN: r132415
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/packed-array.c | 40 |
2 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index db65ae6..425549d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2008-02-19 Christian Bruel <christian.bruel@st.com> + + * gcc.dg/packed-array.c: New testcase. + 2008-02-19 Uros Bizjak <ubizjak@gmail.com> PR target/33555 diff --git a/gcc/testsuite/gcc.dg/packed-array.c b/gcc/testsuite/gcc.dg/packed-array.c new file mode 100644 index 0000000..b57f3ac --- /dev/null +++ b/gcc/testsuite/gcc.dg/packed-array.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fno-inline" } */ + +struct usb_interface_descriptor { + unsigned short wMaxPacketSize; + char e; +} __attribute__ ((packed)); + +struct usb_device { + int devnum; + struct usb_interface_descriptor if_desc[2]; +}; + +extern int printf (const char *, ...); + +void foo (unsigned short a) +{ + printf ("%d\n", a); +} + +struct usb_device ndev; + +void usb_set_maxpacket(int n) +{ + int i; + + for(i=0; i<n;i++) + foo((&ndev)->if_desc[i].wMaxPacketSize); +} + +int +main() +{ + usb_set_maxpacket(2); + return 0; +} + + + + |