2001-12-11 Richard Henderson <rth@redhat.com>
+ * expmed.c (expand_divmod): Ignore sdiv_pow2_cheap for modes in
+ which there is no divide expander.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
* except.c (sjlj_find_directly_reachable_regions): Don't
consider RNL_BLOCKED a directly reachable region.
(sjlj_assign_call_site_values): Trust directly_reachable.
goto fail1;
}
else if (EXACT_POWER_OF_2_OR_ZERO_P (d)
- && (rem_flag ? smod_pow2_cheap : sdiv_pow2_cheap))
+ && (rem_flag ? smod_pow2_cheap : sdiv_pow2_cheap)
+ /* ??? The cheap metric is computed only for
+ word_mode. If this operation is wider, this may
+ not be so. Assume true if the optab has an
+ expander for this mode. */
+ && (((rem_flag ? smod_optab : sdiv_optab)
+ ->handlers[(int) compute_mode].insn_code
+ != CODE_FOR_nothing)
+ || (sdivmod_optab->handlers[(int) compute_mode]
+ .insn_code != CODE_FOR_nothing)))
;
else if (EXACT_POWER_OF_2_OR_ZERO_P (abs_d))
{