PR bootstrap/43511

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.c

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 2a6d674..35b4c49 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -7580,8 +7580,8 @@ get_pc_thunk_name (char name[32], unsigned int regno)
 /* This function generates code for -fpic that loads %ebx with
    the return address of the caller and then returns.  */
 
-void
-ix86_file_end (void)
+static void
+ix86_code_end (void)
 {
   rtx xops[2];
   int regno;
@@ -7589,15 +7589,21 @@ ix86_file_end (void)
   for (regno = 0; regno < 8; ++regno)
     {
       char name[32];
-#ifdef DWARF2_UNWIND_INFO
-      bool do_cfi;
-#endif
+      tree decl;
 
       if (! ((pic_labels_used >> regno) & 1))
        continue;
 
       get_pc_thunk_name (name, regno);
 
+      decl = build_decl (BUILTINS_LOCATION, FUNCTION_DECL,
+                        get_identifier (name),
+                        build_function_type (void_type_node, void_list_node));
+      DECL_RESULT (decl) = build_decl (BUILTINS_LOCATION, RESULT_DECL,
+                                      NULL_TREE, void_type_node);
+      TREE_PUBLIC (decl) = 1;
+      TREE_STATIC (decl) = 1;
+
 #if TARGET_MACHO
       if (TARGET_MACHO)
        {
@@ -7608,18 +7614,12 @@ ix86_file_end (void)
          assemble_name (asm_out_file, name);
          fputs ("\n", asm_out_file);
          ASM_OUTPUT_LABEL (asm_out_file, name);
+         DECL_WEAK (decl) = 1;
        }
       else
 #endif
       if (USE_HIDDEN_LINKONCE)
        {
-         tree decl;
-
-         decl = build_decl (BUILTINS_LOCATION,
-                            FUNCTION_DECL, get_identifier (name),
-                            error_mark_node);
-         TREE_PUBLIC (decl) = 1;
-         TREE_STATIC (decl) = 1;
          DECL_COMDAT_GROUP (decl) = DECL_ASSEMBLER_NAME (decl);
 
          (*targetm.asm_out.unique_section) (decl, 0);
@@ -7637,23 +7637,23 @@ ix86_file_end (void)
          ASM_OUTPUT_LABEL (asm_out_file, name);
        }
 
-#ifdef DWARF2_UNWIND_INFO
-      do_cfi = dwarf2out_do_cfi_asm ();
-      if (do_cfi)
-       fprintf (asm_out_file, "\t.cfi_startproc\n");
-#endif
+      DECL_INITIAL (decl) = make_node (BLOCK);
+      current_function_decl = decl;
+      init_function_start (decl);
+      first_function_block_is_cold = false;
+      /* Make sure unwind info is emitted for the thunk if needed.  */
+      final_start_function (emit_barrier (), asm_out_file, 1);
+
       xops[0] = gen_rtx_REG (Pmode, regno);
       xops[1] = gen_rtx_MEM (Pmode, stack_pointer_rtx);
       output_asm_insn ("mov%z0\t{%1, %0|%0, %1}", xops);
       output_asm_insn ("ret", xops);
-#ifdef DWARF2_UNWIND_INFO
-      if (do_cfi)
-       fprintf (asm_out_file, "\t.cfi_endproc\n");
-#endif
+      final_end_function ();
+      init_insn_lengths ();
+      free_after_compilation (cfun);
+      set_cfun (NULL);
+      current_function_decl = NULL;
     }
-
-  if (NEED_INDICATE_EXEC_STACK)
-    file_end_indicate_exec_stack ();
 }
 
 /* Emit code for the SET_GOT patterns.  */
@@ -25938,13 +25938,6 @@ machopic_output_stub (FILE *file, const char *symb, const char *stub)
   fprintf (file, "\t.indirect_symbol %s\n", symbol_name);
   fprintf (file, ASM_LONG "%s\n", binder_name);
 }
-
-void
-darwin_x86_file_end (void)
-{
-  darwin_file_end ();
-  ix86_file_end ();
-}
 #endif /* TARGET_MACHO */
 
 /* Order the registers for register allocator.  */
@@ -30550,6 +30543,9 @@ ix86_enum_va_list (int idx, const char **pname, tree *ptree)
 #undef TARGET_CAN_ELIMINATE
 #define TARGET_CAN_ELIMINATE ix86_can_eliminate
 
+#undef TARGET_ASM_CODE_END
+#define TARGET_ASM_CODE_END ix86_code_end
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 \f
 #include "gt-i386.h"