diff options
author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-10 12:19:30 +0000 |
---|---|---|
committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-10 12:19:30 +0000 |
commit | 3050df3e388b3e44f04a69bf9b1a593a1e33d0af (patch) | |
tree | eb3483391707f9daf8809624bb34f846854ef083 /gcc/fold-const.c | |
parent | 5715c09b3d628b3ec8abea375f09a4d46386a13a (diff) | |
download | gcc-3050df3e388b3e44f04a69bf9b1a593a1e33d0af.tar.gz |
2011-06-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49361
* fold-const.c (fold_binary_loc): Only fold x * x to pow (x, 2.0)
when not already in gimple form.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174903 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r-- | gcc/fold-const.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 9a3f8cb0fec..e1a497eda96 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10519,7 +10519,8 @@ fold_binary_loc (location_t loc, } /* Optimize x*x as pow(x,2.0), which is expanded as x*x. */ - if (optimize_function_for_speed_p (cfun) + if (!in_gimple_form + && optimize_function_for_speed_p (cfun) && operand_equal_p (arg0, arg1, 0)) { tree powfn = mathfn_built_in (type, BUILT_IN_POW); |