+Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c: Disable recent loop changes. Temporary as Joern
+ continues to fix problems.
+
Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
* loop.c (combine_givs_used_by_other): Delete.
first_increment_giv = max_reg_num ();
for (n_extra_increment = 0, bl = loop_iv_list; bl; bl = bl->next)
n_extra_increment += bl->biv_count - 1;
- if (n_extra_increment)
+ /* XXX Temporary. */
+ if (0 && n_extra_increment)
{
int nregs = first_increment_giv + n_extra_increment;
}
}
+#if 0
+ /* XXX Temporary. */
/* Now that we know which givs will be reduced, try to rearrange the
combinations to reduce register pressure.
recombine_givs calls find_life_end, which needs reg_iv_type and
VARRAY_GROW (reg_iv_info, nregs);
}
recombine_givs (bl, loop_start, loop_end, unroll_p);
+#endif
/* Reduce each giv that we decided to reduce. */
int i;
unsigned HOST_WIDE_INT n_iterations;
-#if 0
int increment_direction, compare_direction;
/* If the loop condition is <= or >=, the number of iteration
int add_iteration = 0;
enum machine_mode loop_var_mode = word_mode;
-#endif
int loop_num = uid_loop_num [INSN_UID (loop_start)];