biv_count for reduced givs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14296
138bc75d-0d04-0410-961f-
82ee72b054a4
#endif
}
- /* Givs are only updated once by definition. Mark it so if this is
+ /* Unreduced givs are only updated once by definition. Reduced givs
+ are updated as many times as their biv is. Mark it so if this is
a splittable register. Don't need to do anything for address givs
where this may not be a register. */
if (GET_CODE (v->new_reg) == REG)
- splittable_regs_updates[REGNO (v->new_reg)] = 1;
+ {
+ int count = 1;
+ if (! v->ignore)
+ count = reg_biv_class[REGNO (v->src_reg)]->biv_count;
+
+ splittable_regs_updates[REGNO (v->new_reg)] = count;
+ }
result++;