diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-02-19 15:42:31 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-02-19 15:42:31 +0000 |
| commit | dd69389106ecfae21506ce0eddc27d8dbfec2da6 (patch) | |
| tree | 4b89e58bc0e9daefe49eba7bec41de25c0c6e3ec /gcc/testsuite/gcc.dg/pr42916.c | |
| parent | a6b57da2a12d91d6b44f8523816ea4aa191cb619 (diff) | |
| download | gcc-dd69389106ecfae21506ce0eddc27d8dbfec2da6.tar.gz | |
2010-02-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42916
* tree-vect-slp.c (vect_slp_analyze_bb): Count only real
instructions.
* gcc.dg/pr42916.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156898 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr42916.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr42916.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42916.c b/gcc/testsuite/gcc.dg/pr42916.c new file mode 100644 index 00000000000..d32ba94882a --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr42916.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -funroll-loops -ftree-vectorize -fcompare-debug" } */ + +int seed; + +static inline int hash(const char *str) +{ + int h = seed++; + int i = 12; + while (i--) + h += (h << 3) ^ *str++; + return h; +} + +void f(const char *str, int *h) +{ + int i = 6; + while (i--) + *h++ = hash(str); +} |