* tree.def (RTL_EXPR): Remove.

        * c-typeck.c (lvalue_p): Don't handle it.
        * expr.c (safe_from_p): Likewise.
        (expand_expr_real_1): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
        (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
        * gengtype.c (adjust_field_tree_exp): Likewise.
        * stmt.c (warn_if_unused_value): Likewise.
        * tree-gimple.c (recalculate_side_effects): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
        (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
        * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.

        * stmt.c (struct stmt_status): Remove x_last_expr_type,
        x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
        (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
        (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
        all the bits that tracked last_expr.
        (expand_end_bindings): Don't track last_expr.
        (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
        (clear_last_expr): Remove.
        (expand_asm): Don't call it.
        (expand_asm_operands, expand_end_cond): Likewise.
        (expand_naked_return, expand_null_return_1): Likewise.
        * c-typeck.c (c_begin_compound_stmt): Likewise.
        * cfgexpand.c (expand_block): Use expand_expr_stmt.
        * expr.c (expand_expr_real_1): Likewise.
        * tree.h: Update prototypes.

        * function.h (struct sequence_stack): Remove sequence_rtl_expr.
        (struct emit_status): Remove sequence_rtl_expr.
        (struct function): Remove x_rtl_expr_chain.
        (seq_rtl_expr, rtl_expr_chain): Remove.
        * function.c (struct temp_slot): Remove rtl_expr.
        (assign_stack_temp_for_type): Don't set it.
        (free_temp_slots, pop_temp_slots): Don't check it.
        (free_after_compilation): Don't clear x_rtl_expr_chain.
        (fixup_var_refs): Don't search it.
        (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
        * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
        or seq_rtl_expr.
        (push_topmost_sequence): Likewise.
        (end_sequence, init_emit): Likewise.
        (start_sequence_for_rtl_expr): Remove.
        * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
        * rtl.h (preserve_rtl_expr_result): Remove.

ada/
        * trans.c (gnat_stabilize_reference): Don't handle RTL_EXPR.
        * utils.c (max_size): Likewise.

cp/
        * class.c (fixed_type_or_null): Don't handle RTL_EXPR.
        * method.c (synthesize_method): Don't clear_last_expr.
        * name-lookup.c (maybe_push_cleanup_level): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84009 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 13 deletions

diff --git a/gcc/function.h b/gcc/function.h
index 64c02d0b9ee..7043d0bff3f 100644
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -40,7 +40,6 @@ struct sequence_stack GTY(())
   /* First and last insns in the chain of the saved sequence.  */
   rtx first;
   rtx last;
-  tree sequence_rtl_expr;
   struct sequence_stack *next;
 };
 
@@ -66,16 +65,11 @@ struct emit_status GTY(())
   /* The ends of the doubly-linked chain of rtl for the current function.
      Both are reset to null at the start of rtl generation for the function.
 
-     start_sequence saves both of these on `sequence_stack' along with
-     `sequence_rtl_expr' and then starts a new, nested sequence of insns.  */
+     start_sequence saves both of these on `sequence_stack' and then starts
+     a new, nested sequence of insns.  */
   rtx x_first_insn;
   rtx x_last_insn;
 
-  /* RTL_EXPR within which the current sequence will be placed.  Use to
-     prevent reuse of any temporaries within the sequence until after the
-     RTL_EXPR is emitted.  */
-  tree sequence_rtl_expr;
-
   /* Stack of pending (incomplete) sequences saved by `start_sequence'.
      Each element describes one pending sequence.
      The main insn-chain is saved in the last element of the chain,
@@ -112,7 +106,6 @@ struct emit_status GTY(())
 
 /* For backward compatibility... eventually these should all go away.  */
 #define reg_rtx_no (cfun->emit->x_reg_rtx_no)
-#define seq_rtl_expr (cfun->emit->sequence_rtl_expr)
 #define regno_reg_rtx (cfun->emit->x_regno_reg_rtx)
 #define seq_stack (cfun->emit->sequence_stack)
 
@@ -258,9 +251,6 @@ struct function GTY(())
      Made for the sake of unshare_all_rtl.  */
   rtx x_stack_slot_list;
 
-  /* Chain of all RTL_EXPRs that have insns in them.  */
-  tree x_rtl_expr_chain;
-
   /* Place after which to insert the tail_recursion_label if we need one.  */
   rtx x_tail_recursion_reentry;
 
@@ -522,7 +512,6 @@ extern int trampolines_created;
 #define frame_offset (cfun->x_frame_offset)
 #define tail_recursion_reentry (cfun->x_tail_recursion_reentry)
 #define arg_pointer_save_area (cfun->x_arg_pointer_save_area)
-#define rtl_expr_chain (cfun->x_rtl_expr_chain)
 #define used_temp_slots (cfun->x_used_temp_slots)
 #define avail_temp_slots (cfun->x_avail_temp_slots)
 #define temp_slot_level (cfun->x_temp_slot_level)