On Fri, May 27, 2011 at 2:06 PM, William J. Schmidt <wschm...@linux.vnet.ibm.com> wrote: > Rainer has verified the following patch fixes the problem he observed in > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49170. OK to commit?
Ok. Thanks, Richard. > > 2011-05-27 Bill Schmidt <wschm...@linux.vnet.ibm.com> > > PR tree-optimization/49170 > * tree-ssa-math-opts.c (execute_cse_sincos): Add checks for > sincos or cexp. > > > > Index: tree-ssa-math-opts.c > =================================================================== > --- tree-ssa-math-opts.c (revision 174277) > +++ tree-ssa-math-opts.c (working copy) > @@ -1093,6 +1093,10 @@ execute_cse_sincos (void) > CASE_FLT_FN (BUILT_IN_COS): > CASE_FLT_FN (BUILT_IN_SIN): > CASE_FLT_FN (BUILT_IN_CEXPI): > + /* Make sure we have either sincos or cexp. */ > + if (!TARGET_HAS_SINCOS && !TARGET_C99_FUNCTIONS) > + break; > + > arg = gimple_call_arg (stmt, 0); > if (TREE_CODE (arg) == SSA_NAME) > cfg_changed |= execute_cse_sincos_1 (arg); > >
