re PR debug/66691 (ICE on valid code at -O3 with -g enabled in simplify_subreg, at...

[gcc.git] / gcc / target-globals.c

diff --git a/gcc/target-globals.c b/gcc/target-globals.c
index cfabb87c90988acc2ceec8f54f55092a31fc8de8..608601edb44569a7343c0696327795854bf70193 100644 (file)
--- a/gcc/target-globals.c
+++ b/gcc/target-globals.c
@@ -1,5 +1,5 @@
 /* Target-dependent globals.
-   Copyright (C) 2010  Free Software Foundation, Inc.
+   Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -22,8 +22,9 @@ along with GCC; see the file COPYING3.  If not see
 #include "coretypes.h"
 #include "tm.h"
 #include "insn-config.h"
-#include "machmode.h"
-#include "ggc.h"
+#include "alias.h"
+#include "symtab.h"
+#include "tree.h"
 #include "toplev.h"
 #include "target-globals.h"
 #include "flags.h"
@@ -32,36 +33,122 @@ along with GCC; see the file COPYING3.  If not see
 #include "hard-reg-set.h"
 #include "reload.h"
 #include "expmed.h"
+#include "function.h"
+#include "dojump.h"
+#include "explow.h"
+#include "calls.h"
+#include "emit-rtl.h"
+#include "varasm.h"
+#include "stmt.h"
 #include "expr.h"
+#include "insn-codes.h"
 #include "optabs.h"
+#include "libfuncs.h"
+#include "cfgloop.h"
+#include "ira-int.h"
+#include "builtins.h"
+#include "gcse.h"
+#include "bb-reorder.h"
+#include "lower-subreg.h"
+#include "recog.h"
 
 #if SWITCHABLE_TARGET
 struct target_globals default_target_globals = {
   &default_target_flag_state,
   &default_target_regs,
   &default_target_rtl,
+  &default_target_recog,
   &default_target_hard_regs,
   &default_target_reload,
   &default_target_expmed,
-  &default_target_optabs
+  &default_target_optabs,
+  &default_target_libfuncs,
+  &default_target_cfgloop,
+  &default_target_ira,
+  &default_target_ira_int,
+  &default_target_builtins,
+  &default_target_gcse,
+  &default_target_bb_reorder,
+  &default_target_lower_subreg
 };
 
 struct target_globals *
 save_target_globals (void)
 {
-  struct target_globals *g;
-
-  g = ggc_alloc_target_globals ();
+  struct target_globals *g = ggc_cleared_alloc <target_globals> ();
   g->flag_state = XCNEW (struct target_flag_state);
   g->regs = XCNEW (struct target_regs);
-  g->rtl = ggc_alloc_cleared_target_rtl ();
+  g->rtl = ggc_cleared_alloc<target_rtl> ();
+  g->recog = XCNEW (struct target_recog);
   g->hard_regs = XCNEW (struct target_hard_regs);
   g->reload = XCNEW (struct target_reload);
   g->expmed = XCNEW (struct target_expmed);
   g->optabs = XCNEW (struct target_optabs);
+  g->libfuncs = ggc_cleared_alloc<target_libfuncs> ();
+  g->cfgloop = XCNEW (struct target_cfgloop);
+  g->ira = XCNEW (struct target_ira);
+  g->ira_int = XCNEW (struct target_ira_int);
+  g->builtins = XCNEW (struct target_builtins);
+  g->gcse = XCNEW (struct target_gcse);
+  g->bb_reorder = XCNEW (struct target_bb_reorder);
+  g->lower_subreg = XCNEW (struct target_lower_subreg);
   restore_target_globals (g);
+  init_reg_sets ();
   target_reinit ();
   return g;
 }
 
+/* Like save_target_globals() above, but set *this_target_optabs
+   correctly when a previous function has changed
+   *this_target_optabs.  */
+
+struct target_globals *
+save_target_globals_default_opts ()
+{
+  struct target_globals *globals;
+
+  if (optimization_current_node != optimization_default_node)
+    {
+      tree opts = optimization_current_node;
+      /* Temporarily switch to the default optimization node, so that
+        *this_target_optabs is set to the default, not reflecting
+        whatever a previous function used for the optimize
+        attribute.  */
+      optimization_current_node = optimization_default_node;
+      cl_optimization_restore
+       (&global_options,
+        TREE_OPTIMIZATION (optimization_default_node));
+      globals = save_target_globals ();
+      optimization_current_node = opts;
+      cl_optimization_restore (&global_options,
+                              TREE_OPTIMIZATION (opts));
+      return globals;
+    }
+  return save_target_globals ();
+}
+
+target_globals::~target_globals ()
+{
+  /* default_target_globals points to static data so shouldn't be freed.  */
+  if (this != &default_target_globals)
+    {
+      ira_int->~target_ira_int ();
+      hard_regs->finalize ();
+      XDELETE (flag_state);
+      XDELETE (regs);
+      XDELETE (recog);
+      XDELETE (hard_regs);
+      XDELETE (reload);
+      XDELETE (expmed);
+      XDELETE (optabs);
+      XDELETE (cfgloop);
+      XDELETE (ira);
+      XDELETE (ira_int);
+      XDELETE (builtins);
+      XDELETE (gcse);
+      XDELETE (bb_reorder);
+      XDELETE (lower_subreg);
+    }
+}
+
 #endif