* global.c (find_reg): Mark the eh regs as used if necessary.
* ra-conflict.c (global_conflicts): Set no_eh_reg flag.
* ra.h (struct allocno): no_eh_reg field added. Changed
no_stack_reg type to bitfield.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131601
138bc75d-0d04-0410-961f-
82ee72b054a4
+2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * global.c (find_reg): Mark the eh regs as used if necessary.
+ * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
+ * ra.h (struct allocno): no_eh_reg field added. Changed
+ no_stack_reg type to bitfield.
+
2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (substitute_in_expr): Add missing 'break'.
IOR_HARD_REG_SET (used1, losers);
IOR_COMPL_HARD_REG_SET (used1, reg_class_contents[(int) class]);
+
+#ifdef EH_RETURN_DATA_REGNO
+ if (allocno[num].no_eh_reg)
+ {
+ unsigned int j;
+ for (j = 0; EH_RETURN_DATA_REGNO (j) != INVALID_REGNUM; j++)
+ SET_HARD_REG_BIT (used1, EH_RETURN_DATA_REGNO (j));
+ }
+#endif
+
COPY_HARD_REG_SET (used2, used1);
IOR_HARD_REG_SET (used1, allocno[num].hard_reg_conflicts);
break;
record_one_conflict (allocnos_live, &hard_regs_live, regno);
}
+
+ EXECUTE_IF_SET_IN_SPARSESET (allocnos_live, i)
+ {
+ allocno[i].no_eh_reg = 1;
+ }
}
#endif
HARD_REG_SET regs_someone_prefers;
+#ifdef EH_RETURN_DATA_REGNO
+ /* Set to true if allocno can't be allocated in an eh register. */
+ unsigned int no_eh_reg:1;
+#endif
+
#ifdef STACK_REGS
/* Set to true if allocno can't be allocated in the stack register. */
- bool no_stack_reg;
+ unsigned int no_stack_reg:1;
#endif
};
extern struct allocno *allocno;