diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/reassoc-15.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/reassoc-15.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-15.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-15.c new file mode 100644 index 000000000..df6fd5213 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-15.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-reassoc1" } */ + +unsigned int test3 (unsigned int x, unsigned int y, unsigned int z, + unsigned int weight, + unsigned int w1, unsigned int w2, unsigned int w3) +{ + unsigned int wtmp1 = w1 * weight; + unsigned int wtmp2 = w2 * weight; + unsigned int wtmp3 = w3 * weight; + unsigned int tmp1 = x * wtmp1; + unsigned int tmp2 = y * wtmp2; + unsigned int tmp3 = z * wtmp3; + return tmp1 + tmp2 + tmp3; +} + +/* The multiplication with weight should be un-distributed. + ??? This pattern is not recognized currently. */ + +/* { dg-final { scan-tree-dump-times "\\\*" 4 "reassoc1" } } */ +/* { dg-final { cleanup-tree-dump "reassoc1" } } */ |