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| 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/pr19988.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/pr19988.c')
| -rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.dg/pr19988.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr19988.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr19988.c new file mode 100644 index 000000000..aa2fed139 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr19988.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-optimized -fdump-tree-original" } */ + +double foo(double x, double y) +{ + return ((x + 0.1234 * y) * (x - 0.1234 * y)); +} + +/* Keep positive constants during folding. */ +/* { dg-final { scan-tree-dump-times " 1.23" 2 "original" } } */ +/* CSE one multiplication. */ +/* { dg-final { scan-tree-dump-times " \\\* " 2 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "original" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |