diff options
Diffstat (limited to 'gcc/optabs-query.c')
| -rw-r--r-- | gcc/optabs-query.c | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/gcc/optabs-query.c b/gcc/optabs-query.c index 204ca60..440462b 100644 --- a/gcc/optabs-query.c +++ b/gcc/optabs-query.c @@ -401,44 +401,20 @@ can_vec_perm_p (machine_mode mode, bool variable, vec_perm_indices *sel) return true; } -/* Like optab_handler, but for widening_operations that have a - TO_MODE and a FROM_MODE. */ - -enum insn_code -widening_optab_handler (optab op, machine_mode to_mode, - machine_mode from_mode) -{ - unsigned scode = (op << 16) | to_mode; - if (to_mode != from_mode && from_mode != VOIDmode) - { - /* ??? Why does find_widening_optab_handler_and_mode attempt to - widen things that can't be widened? E.g. add_optab... */ - if (op > LAST_CONV_OPTAB) - return CODE_FOR_nothing; - scode |= from_mode << 8; - } - return raw_optab_handler (scode); -} - /* Find a widening optab even if it doesn't widen as much as we want. E.g. if from_mode is HImode, and to_mode is DImode, and there is no - direct HI->SI insn, then return SI->DI, if that exists. - If PERMIT_NON_WIDENING is non-zero then this can be used with - non-widening optabs also. */ + direct HI->SI insn, then return SI->DI, if that exists. */ enum insn_code find_widening_optab_handler_and_mode (optab op, machine_mode to_mode, machine_mode from_mode, - int permit_non_widening, machine_mode *found_mode) { - for (; (permit_non_widening || from_mode != to_mode) - && GET_MODE_SIZE (from_mode) <= GET_MODE_SIZE (to_mode) - && from_mode != VOIDmode; - from_mode = GET_MODE_WIDER_MODE (from_mode).else_void ()) + gcc_checking_assert (GET_MODE_CLASS (from_mode) == GET_MODE_CLASS (to_mode)); + gcc_checking_assert (from_mode < to_mode); + FOR_EACH_MODE (from_mode, from_mode, to_mode) { - enum insn_code handler = widening_optab_handler (op, to_mode, - from_mode); + enum insn_code handler = convert_optab_handler (op, to_mode, from_mode); if (handler != CODE_FOR_nothing) { |