expr.h (EXPAND_MEMORY): New.

        * expr.h (EXPAND_MEMORY): New.
        * expr.c (expand_expr): Check it.
        * stmt.c (expand_asm_operands): Provide it when the constraint
        requires a memory.  Warn for memory input constraints without
        a memory operand.

        * gcc.dg/20011029-2.c: Fix the array reference.
        * gcc.dg/asm-7.c: New.

From-SVN: r67645

1 files changed, 5 insertions, 2 deletions

diff --git a/gcc/expr.h b/gcc/expr.h
index 594df73..1e50320 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -51,9 +51,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    EXPAND_INITIALIZER is similar but also record any labels on forced_labels.
    EXPAND_CONST_ADDRESS means it is ok to return a MEM whose address
     is a constant that is not a legitimate address.
-   EXPAND_WRITE means we are only going to write to the resulting rtx.  */
+   EXPAND_WRITE means we are only going to write to the resulting rtx.
+   EXPAND_MEMORY means we are interested in a memory result, even if
+    the memory is constant and we could have propagated a constant value.  */
 enum expand_modifier {EXPAND_NORMAL = 0, EXPAND_STACK_PARM = 2, EXPAND_SUM,
-		      EXPAND_CONST_ADDRESS, EXPAND_INITIALIZER, EXPAND_WRITE};
+		      EXPAND_CONST_ADDRESS, EXPAND_INITIALIZER, EXPAND_WRITE,
+		      EXPAND_MEMORY};
 
 /* Prevent the compiler from deferring stack pops.  See
    inhibit_defer_pop for more information.  */