Update copyright years.

[thirdparty/gcc.git] / gcc / expr.h

diff --git a/gcc/expr.h b/gcc/expr.h
index 105c30e655191fcb5fc14e8f2a59b93d24397a3f..725991ff217c4011f33982cd18c2008e67cb7fb9 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -1,5 +1,5 @@
 /* Definitions for code generation pass of GNU compiler.
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -100,7 +100,11 @@ enum block_op_methods
   BLOCK_OP_NO_LIBCALL,
   BLOCK_OP_CALL_PARM,
   /* Like BLOCK_OP_NORMAL, but the libcall can be tail call optimized.  */
-  BLOCK_OP_TAILCALL
+  BLOCK_OP_TAILCALL,
+  /* Like BLOCK_OP_NO_LIBCALL, but instead of emitting a libcall return
+     pc_rtx to indicate nothing has been emitted and let the caller handle
+     it.  */
+  BLOCK_OP_NO_LIBCALL_RET
 };
 
 typedef rtx (*by_pieces_constfn) (void *, HOST_WIDE_INT, scalar_int_mode);
@@ -110,7 +114,10 @@ extern rtx emit_block_move_hints (rtx, rtx, rtx, enum block_op_methods,
                                  unsigned int, HOST_WIDE_INT,
                                  unsigned HOST_WIDE_INT,
                                  unsigned HOST_WIDE_INT,
-                                 unsigned HOST_WIDE_INT);
+                                 unsigned HOST_WIDE_INT,
+                                 bool bail_out_libcall = false,
+                                 bool *is_move_done = NULL,
+                                 bool might_overlap = false);
 extern rtx emit_block_cmp_hints (rtx, rtx, rtx, tree, rtx, bool,
                                 by_pieces_constfn, void *);
 extern bool emit_storent_insn (rtx to, rtx from);
@@ -215,7 +222,7 @@ extern int can_store_by_pieces (unsigned HOST_WIDE_INT,
    MEMSETP is true if this is a real memset/bzero, not a copy.
    Returns TO + LEN.  */
 extern rtx store_by_pieces (rtx, unsigned HOST_WIDE_INT, by_pieces_constfn,
-                           void *, unsigned int, bool, int);
+                           void *, unsigned int, bool, memop_ret);
 
 /* Emit insns to set X from Y.  */
 extern rtx_insn *emit_move_insn (rtx, rtx);
@@ -250,7 +257,6 @@ extern void expand_assignment (tree, tree, bool);
    and storing the value into TARGET.
    If SUGGEST_REG is nonzero, copy the value through a register
    and return that register, if that is possible.  */
-extern rtx store_expr_with_bounds (tree, rtx, int, bool, bool, tree);
 extern rtx store_expr (tree, rtx, int, bool, bool);
 
 /* Given an rtx that may include add and multiply operations,
@@ -285,7 +291,9 @@ expand_normal (tree exp)
 
 /* Return the tree node and offset if a given argument corresponds to
    a string constant.  */
-extern tree string_constant (tree, tree *);
+extern tree string_constant (tree, tree *, tree *, tree *);
+
+extern enum tree_code maybe_optimize_mod_cmp (enum tree_code, tree *, tree *);
 
 /* Two different ways of generating switch statements.  */
 extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx, profile_probability);
@@ -304,7 +312,8 @@ extern bool can_move_by_pieces (unsigned HOST_WIDE_INT, unsigned int);
 extern unsigned HOST_WIDE_INT highest_pow2_factor (const_tree);
 
 extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *,
-                                     HOST_WIDE_INT *, bool *);
+                                     HOST_WIDE_INT *, HOST_WIDE_INT *,
+                                     bool *);
 
 extern void expand_operands (tree, tree, rtx, rtx*, rtx*,
                             enum expand_modifier);