http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46346
--- Comment #3 from rguenther at suse dot de <rguenther at suse dot de> 2010-11-07 17:39:16 UTC --- On Sun, 7 Nov 2010, ubizjak at gmail dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46346 > > --- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2010-11-07 > 16:15:39 UTC --- > A trivial attempt that fixes builtin-attr-1.c for x86 with -mfma: Works for me. > Index: tree-ssa-forwprop.c > =================================================================== > --- tree-ssa-forwprop.c (revision 166415) > +++ tree-ssa-forwprop.c (working copy) > @@ -341,7 +341,11 @@ rhs_to_tree (tree type, gimple stmt) > { > location_t loc = gimple_location (stmt); > enum tree_code code = gimple_assign_rhs_code (stmt); > - if (get_gimple_rhs_class (code) == GIMPLE_BINARY_RHS) > + if (get_gimple_rhs_class (code) == GIMPLE_TERNARY_RHS) > + return fold_build3_loc (loc, code, type, gimple_assign_rhs1 (stmt), > + gimple_assign_rhs2 (stmt), > + gimple_assign_rhs3 (stmt)); > + else if (get_gimple_rhs_class (code) == GIMPLE_BINARY_RHS) > return fold_build2_loc (loc, code, type, gimple_assign_rhs1 (stmt), > gimple_assign_rhs2 (stmt)); > else if (get_gimple_rhs_class (code) == GIMPLE_UNARY_RHS) > >
