diff options
| author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
| commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
| tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c | |
| parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
| download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip | |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c')
| -rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c new file mode 100644 index 000000000..16014bb15 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.dg/Wstrict-overflow-23.c @@ -0,0 +1,31 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wstrict-overflow" } */ + +unsigned int +do_scrolling (unsigned int window_size, unsigned int writecost) +{ + unsigned int i = window_size; + + int terminal_window_p = 0; + unsigned int queue = 0; + + for (i = window_size; i; i--) + { + if (writecost < i) + ++queue; + else if (writecost & 1) + terminal_window_p = 1; + } + + if (queue > 0) + { + if (!terminal_window_p) + { + terminal_window_p = 1; + } + } + + if (terminal_window_p) + return 100; + return 0; +} |