PR go/47113

[pf3gnuchains/gcc-fork.git] / gcc / cselib.c

diff --git a/gcc/cselib.c b/gcc/cselib.c
index 64f183f..8f5e45b 100644 (file)
--- a/gcc/cselib.c
+++ b/gcc/cselib.c
@@ -34,7 +34,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "function.h"
 #include "emit-rtl.h"
 #include "diagnostic-core.h"
-#include "toplev.h"
 #include "output.h"
 #include "ggc.h"
 #include "hashtab.h"
@@ -45,6 +44,12 @@ along with GCC; see the file COPYING3.  If not see
 #include "target.h"
 #include "bitmap.h"
 
+/* A list of cselib_val structures.  */
+struct elt_list {
+    struct elt_list *next;
+    cselib_val *elt;
+};
+
 static bool cselib_record_memory;
 static bool cselib_preserve_constants;
 static int entry_and_rtx_equal_p (const void *, const void *);
@@ -700,6 +705,10 @@ rtx_equal_for_cselib_p (rtx x, rtx y)
     case DEBUG_EXPR:
       return 0;
 
+    case DEBUG_IMPLICIT_PTR:
+      return DEBUG_IMPLICIT_PTR_DECL (x)
+            == DEBUG_IMPLICIT_PTR_DECL (y);
+
     case LABEL_REF:
       return XEXP (x, 0) == XEXP (y, 0);
 
@@ -834,6 +843,11 @@ cselib_hash_rtx (rtx x, int create)
              + DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x));
       return hash ? hash : (unsigned int) DEBUG_EXPR;
 
+    case DEBUG_IMPLICIT_PTR:
+      hash += ((unsigned) DEBUG_IMPLICIT_PTR << 7)
+             + DECL_UID (DEBUG_IMPLICIT_PTR_DECL (x));
+      return hash ? hash : (unsigned int) DEBUG_IMPLICIT_PTR;
+
     case CONST_INT:
       hash += ((unsigned) CONST_INT << 7) + INTVAL (x);
       return hash ? hash : (unsigned int) CONST_INT;