rtl.h (mem_attrs): Rename decl to expr; adjust all users.

        * rtl.h (mem_attrs): Rename decl to expr; adjust all users.
        (MEM_EXPR): Rename from MEM_DECL; adjust all users.
        * emit-rtl.c (set_mem_expr): Rename from set_mem_decl.
        * expr.h, final.c, reload1.c: Adjust users.

        * alias.c (nonoverlapping_component_refs_p): New.
        (decl_for_component_ref, adjust_offset_for_component_ref): New.
        (nonoverlapping_memrefs_p): Use them.
        * emit-rtl.c (component_ref_for_mem_expr): New.
        (set_mem_attributes): Use it.
        (set_mem_offset): New.
        * expr.c (expand_assignment): Call set_mem_attributes for
        inner references; adjust the memory offset as needed.
        * print-rtl.c (print_mem_expr): New.
        (print_rtx): Use it.

From-SVN: r47534

1 files changed, 5 insertions, 2 deletions

diff --git a/gcc/expr.h b/gcc/expr.h
index 4275b81..aa4bde6 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -614,8 +614,11 @@ extern void set_mem_alias_set PARAMS ((rtx, HOST_WIDE_INT));
 /* Set the alignment of MEM to ALIGN bits.  */
 extern void set_mem_align PARAMS ((rtx, unsigned int));
 
-/* Set the DECL for MEM to DECL.  */
-extern void set_mem_decl PARAMS ((rtx, tree));
+/* Set the expr for MEM to EXPR.  */
+extern void set_mem_expr PARAMS ((rtx, tree));
+
+/* Set the offset for MEM to OFFSET.  */
+extern void set_mem_offset PARAMS ((rtx, rtx));
 
 /* Return a memory reference like MEMREF, but with its mode changed
    to MODE and its address changed to ADDR.