diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d64b513128a..29a87a34541 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 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. + +2011-06-10 Richard Guenther <rguenther@suse.de> + PR bootstrap/49344 * tree-ssa-math-opts.c (convert_mult_to_fma): Use FOR_EACH_PHI_OR_STMT_USE. 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); |