diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20030807-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20030807-10.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-10.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-10.c new file mode 100644 index 000000000..fe5e859ee --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-10.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + + +extern const unsigned char mode_size[]; +unsigned int +subreg_highpart_offset (outermode, innermode) + int outermode, innermode; +{ + unsigned int offset = 0; + int difference = (mode_size[innermode] - mode_size[outermode]); + if (difference > 0) + { + offset += difference % (0 ? 8 : 4); + offset += difference / 4 * 4; + } + return offset; +} + +/* There should be one mask with the value 3. */ +/* { dg-final { scan-tree-dump-times " \& 3" 1 "vrp1"} } */ + +/* There should be one right shift by 2 places. */ +/* { dg-final { scan-tree-dump-times " >> 2" 1 "vrp1"} } */ + +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |