reload.h (reg_equiv_invariant): Declare.

2005-12-07  J"orn Rennecke <joern.rennecke@st.com>

	* reload.h (reg_equiv_invariant): Declare.
	* reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
	register also when reg_equiv_invariant[R] is set.

From-SVN: r108195

gcc/ChangeLog

+2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
+
+	* reload.h (reg_equiv_invariant): Declare.
+	* reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
+	register also when reg_equiv_invariant[R] is set.
+
 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 	    Andreas Tobler  <a.tobler@schweiz.ch>
 

gcc/reload.c

@@ -6223,7 +6223,7 @@ refers_to_regno_for_reload_p (unsigned int regno, unsigned int endregno,
 						 reg_equiv_memory_loc[r],
 						 (rtx*) 0);
 
-	  gcc_assert (reg_equiv_constant[r]);
+	  gcc_assert (reg_equiv_constant[r] || reg_equiv_invariant[r]);
 	  return 0;
 	}
 

gcc/reload.h

@@ -157,6 +157,7 @@ extern int n_reloads;
 
 extern GTY (()) struct varray_head_tag *reg_equiv_memory_loc_varray;
 extern rtx *reg_equiv_constant;
+extern rtx *reg_equiv_invariant;
 extern rtx *reg_equiv_memory_loc;
 extern rtx *reg_equiv_address;
 extern rtx *reg_equiv_mem;