(c_sizeof, build_c_cast): Set TREE_OVERFLOW in addition

[pf3gnuchains/gcc-fork.git] / gcc / reload.c

diff --git a/gcc/reload.c b/gcc/reload.c
index 2a0026c..35fe843 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -3888,10 +3888,16 @@ find_reloads_address (mode, memrefloc, ad, loc, opnum, type, ind_levels)
        }
 
       /* We can avoid a reload if the register's equivalent memory expression
-        is valid as an indirect memory address. */
+        is valid as an indirect memory address.
+        But not all addresses are valid in a mem used as an indirect address:
+        only reg or reg+constant.  */
 
       else if (reg_equiv_mem[regno] != 0 && ind_levels > 0
-              && strict_memory_address_p (mode, reg_equiv_mem[regno]))
+              && strict_memory_address_p (mode, reg_equiv_mem[regno])
+              && (GET_CODE (XEXP (reg_equiv_mem[regno], 0)) == REG
+                  || (GET_CODE (XEXP (reg_equiv_mem[regno], 0)) == PLUS
+                      && GET_CODE (XEXP (XEXP (reg_equiv_mem[regno], 0), 0)) == REG
+                      && CONSTANT_P (XEXP (XEXP (reg_equiv_mem[regno], 0), 0)))))
        return 0;
 
       /* The only remaining case where we can avoid a reload is if this is a